user_ChangeLogImpl.xml@ 57922

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1	<?xml version="1.0" encoding="UTF-8"?>
2
3	<chapter> <!-- HACK ALERT! Seems we must have a single top level element for xi:include to work.
4	So, we use chapter and xpointer="xpointer(/chapter/)" with xi:include. -->
5	<sect1>
6	<title>Version x.x.x (2015-xx-xx)</title>
7
8	<para>This is a major update. The following major new features
9	were added:</para>
10
11	<itemizedlist>
12
13	<listitem>
14	<para>dummy</para>
15	</listitem>
16
17	</itemizedlist>
18
19	</sect1>
20
21	<sect1>
22	<title>Version 5.0.2 (2015-08-13)</title>
23
24	<para>This is a maintenance release. The following items were fixed and/or
25	added:</para>
26
27	<itemizedlist>
28
29	<listitem>
30	<para>VMM: added support for guest crash report MSRs with Hyper-V
31	paravirtualization</para>
32	</listitem>
33
34	<listitem>
35	<para>VMM: fixed an issue causing artifically high load averages on
36	Linux hosts</para>
37	</listitem>
38
39	<listitem>
40	<para>VMM: fixed a kernel panic with thread-context hooks caused by
41	incompatible changes made to Linux 4.2 kernels</para>
42	</listitem>
43
44	<listitem>
45	<para>VMM: fixed a saved state issue with VT-x/AMD-V disabled
46	(5.0 regression; bug #14304)</para>
47	</listitem>
48
49	<listitem>
50	<para>VMM: fixed <emphasis>VERR_SUPDRV_TSC_DELTA_MEASUREMENT_FAILED</emphasis>
51	Guru Meditations on certain AMD CPUs (5.0 regression; bug #14370)</para>
52	</listitem>
53
54	<listitem>
55	<para>VMM: fixed a crash while creating a guest core dumps via the VM
56	debug facility (5.0 regression)</para>
57	</listitem>
58
59	<listitem>
60	<para>VMM: This release has AVX2 passthrough disabled on every host and
61	AVX passthrough disabled for 64-bit VMs on 32-bit hosts. This will be
62	properly fixed in a future 5.0.x maintenance release (see e.g. bug #14262).</para>
63	</listitem>
64
65	<listitem>
66	<para>GUI: fixed rare hang and crash on VM shutdown/poweroff</para>
67	</listitem>
68
69	<listitem>
70	<para>GUI: X11: fixed few crashes caused by the Qt <emphasis>alien
71	widgets</emphasis> feature</para>
72	</listitem>
73
74	<listitem>
75	<para>GUI: X11: fixed various mini-toolbar geometry quirks like positioning, z-order,
76	transparency issues on certain window managers (bug #14257)</para>
77	</listitem>
78
79	<listitem>
80	<para>GUI: X11: fixed mini-toolbar minimize button issue under certain window managers
81	(bug #14284)</para>
82	</listitem>
83
84	<listitem>
85	<para>GUI: VM menu actions availability should now be properly updated on
86	full-screen/seamless/scaled mode switches</para>
87	</listitem>
88
89	<listitem>
90	<para>GUI: disk encryption password validation should be performed
91	when user confirmed the password, not after each entered symbol</para>
92	</listitem>
93
94	<listitem>
95	<para>GUI: do not change the VM/group selection in the VM Manager to the newly
96	created VM if it was created by another client (e.g. VBoxManage)</para>
97	</listitem>
98
99	<listitem>
100	<para>GUI: Mac OS X: do not treat 'almost maximized' VM windows as 'maximized',
101	watch for the strict window geometry instead</para>
102	</listitem>
103
104	<listitem>
105	<para>GUI: improve the quality in scaled mode under some circumstances
106	(5.0 regression; bug #14303)</para>
107	</listitem>
108
109	<listitem>
110	<para>VBoxManage: do not deny changing the network adapter type at
111	VM runtime (5.0 regression; bug #14308)</para>
112	</listitem>
113
114	<listitem>
115	<para>VRDP: allow Windows 10 RDP clients (bug #14216)</para>
116	</listitem>
117
118	<listitem>
119	<para>Audio: fix a possible crash on VM process termination
120	(5.0 regression)</para>
121	</listitem>
122
123	<listitem>
124	<para>Storage: improved raw disk access on OS X by unmounting
125	any accessed volume before first use and prevent any mount attempt
126	by the host (bug #14219)</para>
127	</listitem>
128
129	<listitem>
130	<para>3D: basic support for saving/restoring display lists</para>
131	</listitem>
132
133	<listitem>
134	<para>Drag and drop: fixed guest to host transfers on OS X hosts</para>
135	</listitem>
136
137	<listitem>
138	<para>Drag and drop: fixed memory leak on Windows guests</para>
139	</listitem>
140
141	<listitem>
142	<para>Shared Folders: fixed a problem with accessing CIFS shares
143	(bug #14252)</para>
144	</listitem>
145
146	<listitem>
147	<para>Shared Folders: improved path conversion between hosts and
148	guests with different path separators (bug #14153)</para>
149	</listitem>
150
151	<listitem>
152	<para>API: skip resetting of immutable media when the VM in saved
153	state is started (bug #13957)</para>
154	</listitem>
155
156	<listitem>
157	<para>API: fixed method for setting medium IDs which used zero (invalid)
158	UUIDs instead random (valid) UUIDs if no UUIDs were passed (bug #14350)</para>
159	</listitem>
160
161	<listitem>
162	<para>API: for Windows host fix detection of API client crashes which
163	have a session open</para>
164	</listitem>
165
166	<listitem>
167	<para>OVF: properly export all VBox features including the setting
168	for paravirtualization (bug #14390)</para>
169	</listitem>
170
171	<listitem>
172	<para>Mac OS X hosts: El Capitan USB fixes</para>
173	</listitem>
174
175	<listitem>
176	<para>Windows hosts: fixed crash when opening Windows dialogs
177	from the VM process on Windows 10 (bug #14351)</para>
178	</listitem>
179
180	<listitem>
181	<para>Windows hosts: fixed host-only adapter creation issues on
182	Windows 10 (bug #14040)</para>
183	</listitem>
184
185	<listitem>
186	<para>Windows hosts: fixed audio on Windows 10 (bug #14432)</para>
187	</listitem>
188
189	<listitem>
190	<para>Linux hosts: more fixes for activated SMAP on Linux 3.19
191	and newer (Broadwell and later; bug #13961)</para>
192	</listitem>
193
194	<listitem>
195	<para>Linux hosts: check then name space before attaching to a host
196	network interface (bug #13795)</para>
197	</listitem>
198
199	<listitem>
200	<para>Linux Additions: Linux 4.2 fixes (bug #14227)</para>
201	</listitem>
202
203	<listitem>
204	<para>Linux Additions: improved the performance of
205	<emphasis>stat()</emphasis> to speed up certain file operations
206	on shared folders</para>
207	</listitem>
208
209	<listitem>
210	<para>Windows Additions: fixed a potential crash in the WDDM driver
211	with Windows 10 (bug #14190)</para>
212	</listitem>
213
214	<listitem>
215	<para>Solaris Additions: added support for X.Org Server 1.17</para>
216	</listitem>
217
218	<listitem>
219	<para>X11 Additions: various seamless mode fixes, including
220	invisible windows under LXDE.</para>
221	</listitem>
222
223	</itemizedlist>
224	</sect1>
225
226	<sect1>
227	<title>Version 5.0.0 (2015-07-09)</title>
228
229	<para>This is a major update. The following major new features
230	were added:</para>
231
232	<itemizedlist>
233
234	<listitem>
235	<para>Paravirtualization support for Windows and Linux guests to improve
236	time-keeping accuracy and performance (see <xref linkend="gimproviders" />)</para>
237	</listitem>
238
239	<listitem>
240	<para>Make more instruction set extensions available to the guest when
241	running with hardware-assisted virtualization and nested paging. Among
242	others this includes: SSE 4.1, SSE4.2, AVX, AVX-2, AES-NI,
243	<emphasis>POPCNT</emphasis>, <emphasis>RDRAND</emphasis> and
244	<emphasis>RDSEED</emphasis></para>
245	</listitem>
246
247	<listitem>
248	<para>xHCI Controller to support USB 3 devices
249	(see <xref linkend="settings-usb" />)</para>
250	</listitem>
251
252	<listitem>
253	<para>Drag and drop support (bidirectional) for Windows, Linux and Solaris guests</para>
254	</listitem>
255
256	<listitem>
257	<para>Disk image encryption (see <xref linkend="diskencryption" />)</para>
258	</listitem>
259
260	<listitem>
261	<para>VMs can now be started in <emphasis>separate mode</emphasis>. The VM
262	process is started headless while the frontend runs as a separate process
263	which can be terminated without stopping the VM.</para>
264	</listitem>
265
266	<listitem>
267	<para>GUI: VM guest-content scaling support (including 3D acceleration)</para>
268	</listitem>
269
270	<listitem>
271	<para>GUI: New User Interface settings page for customizing status-bar,
272	menu-bar and guest-content scaling</para>
273	</listitem>
274
275	<listitem>
276	<para>GUI: New Encryption settings tab for customizing encryption options for
277	disk images</para>
278	</listitem>
279
280	<listitem>
281	<para>GUI: HiDPI support including application icons and optional unscaled HiDPI
282	output on Mac OS X (including 3D acceleration)</para>
283	</listitem>
284
285	<listitem>
286	<para>GUI: Hotplugging support for SATA disks</para>
287	</listitem>
288
289	<listitem>
290	<para>New, modular audio architecture for providing a better abstraction of the host
291	audio backends</para>
292	</listitem>
293
294	<listitem>
295	<para>Support for the NDIS6 networking framework on Windows (default on Vista
296	and later)</para>
297	</listitem>
298
299	</itemizedlist>
300
301	<para>In addition, the following items were fixed and/or added:</para>
302
303	<itemizedlist>
304
305	<listitem>
306	<para>VMM: improved timing on Solaris hosts with older VT-x hosts
307	without preemption timers</para>
308	</listitem>
309
310	<listitem>
311	<para>VMM: further improvements for TSC frequency measurements and
312	guest timekeeping</para>
313	</listitem>
314
315	<listitem>
316	<para>VMM: debug facility now includes the guest CPU's
317	FPU/SSE/extended state in the core dump</para>
318	</listitem>
319
320	<listitem>
321	<para>VMM: fixed a hang under rare conditions on 32-bit hosts</para>
322	</listitem>
323
324	<listitem>
325	<para>VMM: several fixes</para>
326	</listitem>
327
328	<listitem>
329	<para>GUI: improved HID LEDs synchronization for Mac and Windows hosts.
330	The physical LEDs state now restored together with the VM state.</para>
331	</listitem>
332
333	<listitem>
334	<para>GUI: take the guest screen aspect ratio into account for the
335	preview window</para>
336	</listitem>
337
338	<listitem>
339	<para>GUI: provide direct access to storage media in the VM selector</para>
340	</listitem>
341
342	<listitem>
343	<para>GUI: allow to save the VM state from the selector even if the VM
344	is already paused</para>
345	</listitem>
346
347	<listitem>
348	<para>VBoxManage: when exporting an appliance, support the suppression
349	of MAC addresses, which means they will be always recreated on
350	import, avoiding duplicate MAC addresses for VMs which are imported
351	several times</para>
352	</listitem>
353
354	<listitem>
355	<para>VBoxManage: now supports renaming storage controllers and USB controllers</para>
356	</listitem>
357
358	<listitem>
359	<para>Guest Control: major overhaul, for example fixing wrong parameter quoting
360	(bug #13157)</para>
361	</listitem>
362
363	<listitem>
364	<para>USB: added USB traffic capturing (see <xref linkend="usbtrafficcapturing" />)</para>
365	</listitem>
366
367	<listitem>
368	<para>Made resizing X11 guests work more reliably</para>
369	</listitem>
370
371	<listitem>
372	<para>API: block the removal of the current snapshot if it has child
373	snapshots (only relevant for VMs without snapshottable hard disks,
374	their presence always prevented removal), which resulted in VM
375	config corruption</para>
376	</listitem>
377
378	<listitem>
379	<para>API: mark VM configs with snapshots but without current snapshot
380	as inaccessible, as this combination is nonsense</para>
381	</listitem>
382
383	<listitem>
384	<para>API: fix information for some automatically generated events
385	(only with XPCOM, Windows host was not affected), which caused
386	errors when getting some of the attributes over the webservice
387	(bug #12379)</para>
388	</listitem>
389
390	<listitem>
391	<para>API: fix crashes in Java API clients using the XPCOM binding,
392	happened with output parameters only (bug #11232)</para>
393	</listitem>
394
395	<listitem>
396	<para>API: a number of settings (e.g. network settings) can now also
397	be changed when the VM is in saved state</para>
398	</listitem>
399
400	<listitem>
401	<para>API: fixed incorrect resuming of VMs on host-resume unless they were
402	previously paused due to a host-suspend</para>
403	</listitem>
404
405	<listitem>
406	<para>API: don't lose the saved state and "current state changed" flag
407	during cloning of a VM</para>
408	</listitem>
409
410	<listitem>
411	<para>API: OS type description consistency fix (bug #14162)</para>
412	</listitem>
413
414	<listitem>
415	<para>VBoxSVC: don't keep the support driver permanently open</para>
416	</listitem>
417
418	<listitem>
419	<para>Main/Properties: properly drop transient guest properties when
420	the VM is powered off</para>
421	</listitem>
422
423	<listitem>
424	<para>VRDP: fixed a couple of races which may cause a crash during
425	VM poweroff</para>
426	</listitem>
427
428	<listitem>
429	<para>ExtPack: don't fail if the TMP directory contains non-latin1
430	characters (bug #14159)</para>
431	</listitem>
432
433	<listitem>
434	<para>3D: fix potential race in which might cause a crash on VM
435	termination</para>
436	</listitem>
437
438	<listitem>
439	<para>3D: fixed a possible memory leak in the host service</para>
440	</listitem>
441
442	<listitem>
443	<para>Serial: new TCP/IP backend (see <xref linkend="serialports"/>)</para>
444	</listitem>
445
446	<listitem>
447	<para>Storage: added USB mass storage device class
448	(see <xref linkend="harddiskcontrollers"/>)</para>
449	</listitem>
450
451	<listitem>
452	<para>Storage: added <emphasis>vbox-img</emphasis> standalone tool for
453	direct manipulation of virtual hard disk images without VBoxManage</para>
454	</listitem>
455
456	<listitem>
457	<para>Storage: fixed crash as a result of I/O errors in certain conditions
458	(bug #13105)</para>
459	</listitem>
460
461	<listitem>
462	<para>NAT: fixed several potential crashes</para>
463	</listitem>
464
465	<listitem>
466	<para>NAT: don't forcibly reset/drop all connections when the link goes
467	down</para>
468	</listitem>
469
470	<listitem>
471	<para>Netsniffer: properly handle changing of the trace file name
472	at VM runtime</para>
473	</listitem>
474
475	<listitem>
476	<para>Audio: fixed audio output and input when changing the default audio device
477	more than once on OS X</para>
478	</listitem>
479
480	<listitem>
481	<para>Audio: fixed audio input on OS X under certain circumstances</para>
482	</listitem>
483
484	<listitem>
485	<para>ICH9: fixed the interrupt disable logic for MSI interrupts; should
486	fix old Linux guests with AHCI</para>
487	</listitem>
488
489	<listitem>
490	<para>USB: improve playback with USB sound devices attached to the emulated
491	OHCI controller</para>
492	</listitem>
493
494	<listitem>
495	<para>Audio: provide Linux guests a different AC97 audio codec type so Linux
496	ALSA does not mis-detect the link speed (default for new VMs)</para>
497	</listitem>
498
499	<listitem>
500	<para>BIOS: fix for booting from SCSI CD/DVD media</para>
501	</listitem>
502
503	<listitem>
504	<para>BIOS: fix for reads partially beyond end of disk (bug #14021)</para>
505	</listitem>
506
507	<listitem>
508	<para>VRDP: fixed listening for IPv6 on some systems (bug #14038)</para>
509	</listitem>
510
511	<listitem>
512	<para>rdesktop-vrdp: upgraded to version 1.8.3</para>
513	</listitem>
514
515	<listitem>
516	<para>Linux hosts: fixed a bug which made the netfilter driver ignore
517	certain events (bug #12264)</para>
518	</listitem>
519
520	<listitem>
521	<para>Mac OS X hosts: El Capitan fixes</para>
522	</listitem>
523
524	<listitem>
525	<para>Mac OS X hosts: fixed a bug which might trigger a host kernel panic
526	if a VM is started and another hypervisor is active</para>
527	</listitem>
528
529	<listitem>
530	<para>Solaris hosts: Solaris 12 installer fix</para>
531	</listitem>
532
533	<listitem>
534	<para>Guest Additions: added a heartbeat service
535	(see <xref linkend="heartbeatservice" />)</para>
536	</listitem>
537
538	<listitem>
539	<para>Linux hosts / guests: support for Linux distributions using systemd
540	without sysv emulation (e.g. ArchLinux)</para>
541	</listitem>
542
543	<listitem>
544	<para>Windows Additions/WDDM: improved video memory utilization and
545	allow more/bigger guest screens with large resolutions (including HiDPI)
546	</para>
547	</listitem>
548
549	<listitem>
550	<para>Linux Additions: added <emphasis>-s</emphasis> parameter to
551	<emphasis>mount.vboxsf</emphasis> to be sloppy with invalid parameters</para>
552	</listitem>
553
554	<listitem>
555	<para>X11 Additions: fixed wrong DPI value (bug #14151)</para>
556	</listitem>
557
558	<listitem>
559	<para>Mac OS X guests: limit the CPU family for legacy guests</para>
560	</listitem>
561
562	<listitem>
563	<para>Solaris Additions: added quiesce support to co-operate with Solaris'
564	fast-reboot feature</para>
565	</listitem>
566
567	</itemizedlist>
568
569	</sect1>
570
571	<sect1>
572	<title>Version 4.3.28 (2015-05-13)</title>
573
574	<para>This is a maintenance release. The following items were fixed and/or
575	added:</para>
576
577	<itemizedlist>
578
579	<listitem>
580	<para>VMM: fixed a Guru Meditation when rebooting certain guests (for
581	example Solaris doing fast reboot) by fixing the implementation for INIT IPI</para>
582	</listitem>
583
584	<listitem>
585	<para>VMM: added some information for diagnosing rare
586	<emphasis>VERR_VMX_INVALID_VMXON_PTR</emphasis> Guru Meditations (VT-x only)</para>
587	</listitem>
588
589	<listitem>
590	<para>GUI: HID LEDs sync: prevent synchronization if VM window has no focus
591	(Windows and Mac OS X hosts only)</para>
592	</listitem>
593
594	<listitem>
595	<para>GUI: fixed drag and drop moving the cursor between guest screens on
596	certain hosts</para>
597	</listitem>
598
599	<listitem>
600	<para>3D: fixed a crash on restoring the VM state on X11 hosts (bug #12737)</para>
601	</listitem>
602
603	<listitem>
604	<para>3D: fixed a crash on restoring the VM state</para>
605	</listitem>
606
607	<listitem>
608	<para>3D: fixed a crash on Linux guest shutdown (bug #12772)</para>
609	</listitem>
610
611	<listitem>
612	<para>VRDP: fixed incompatibility with rdesktop 1.8.3</para>
613	</listitem>
614
615	<listitem>
616	<para>VRDP: fixed listening for IPv6 on some systems (bug #14038)</para>
617	</listitem>
618
619	<listitem>
620	<para>Storage: don't crash if creating an asynchronous I/O context
621	fails (e.g. when starting many VMs) and show a proper error message</para>
622	</listitem>
623
624	<listitem>
625	<para>Floppy: several fixes</para>
626	</listitem>
627
628	<listitem>
629	<para>Audio: improved the behavior of the volume control for the
630	HD audio device emulation</para>
631	</listitem>
632
633	<listitem>
634	<para>USB: increase the number of supported drivers from 3 to 5
635	(Windows hosts only)</para>
636	</listitem>
637
638	<listitem>
639	<para>PS/2 keyboard: synchronize the LED state on VM restore
640	(Windows and Mac OS X hosts only)</para>
641	</listitem>
642
643	<listitem>
644	<para>NAT Network: when running multiple NAT networks with multiple VMs,
645	only stop the respective services when stopping VMs (bug #14090)</para>
646	</listitem>
647
648	<listitem>
649	<para>NAT: don't kill UDP bindings on ICMP errors (bug #13475)</para>
650	</listitem>
651
652	<listitem>
653	<para>NAT: bandwidth limit now works properly with NAT (bug #11485)</para>
654	</listitem>
655
656	<listitem>
657	<para>BIOS: fixed the returned size value of the VBE 2.0 PMI function 0Ah
658	(4.2.0 regression; bug #14096)</para>
659	</listitem>
660
661	<listitem>
662	<para>Guest Control: fixed parameter quoting in Windows guests
663	(bug #13157)</para>
664	</listitem>
665
666	<listitem>
667	<para>Webcam passthrough improvements for Linux (V4L2) hosts to support more
668	webcam models</para>
669	</listitem>
670
671	<listitem>
672	<para>API: don't fail starting a VM with <emphasis>VBOX_E_INVALID_OBJECT_STATE</emphasis>
673	under certain conditions (bug #13617)</para>
674	</listitem>
675
676	<listitem>
677	<para>API: be more verbose on <emphasis>VBOX_E_INVALID_OBJECT_STATE</emphasis>
678	if a medium is attached to a running VM (bug #13560)</para>
679	</listitem>
680
681	<listitem>
682	<para>API: fixed a bug which could result in losing certain screen resize
683	events with multi-monitor guests</para>
684	</listitem>
685
686	<listitem>
687	<para>rdesktop-vrdp: fixed path to the keymaps (bug #12066)</para>
688	</listitem>
689
690	<listitem>
691	<para>rdesktop-vrdp: switch to version 1.8.3</para>
692	</listitem>
693
694	<listitem>
695	<para>Windows hosts: more hardening fixes (e.g. bugs #14051, #14052)</para>
696	</listitem>
697
698	<listitem>
699	<para>Linux hosts: another fix for activated SMAP on Linux 3.19
700	and newer (Broadwell and later; bug #13961)</para>
701	</listitem>
702
703	<listitem>
704	<para>Linux hosts: Linux 4.1 compile fix (bug #14081)</para>
705	</listitem>
706
707	<listitem>
708	<para>Solaris hosts: fixed using of VNIC templates with Crossbow based
709	bridged networking to be compatible with vanity interface names</para>
710	</listitem>
711
712	<listitem>
713	<para>Mac OS X hosts: fixed crash during VM termination under rare
714	circumstances</para>
715	</listitem>
716
717	<listitem>
718	<para>Windows Additions/WDDM: improved video memory utilization and allow
719	more/bigger guest screens with large resolutions (including HiDPI)</para>
720	</listitem>
721
722	<listitem>
723	<para>X11 Additions: prevent flickering when updating mouse cursor</para>
724	</listitem>
725
726	<listitem>
727	<para>Solaris Additions: fixed incorrect usage of 'prtconf' while
728	installing Guest Additions (Solaris 10 only)</para>
729	</listitem>
730
731	</itemizedlist>
732	</sect1>
733
734	<sect1>
735	<title>Version 4.3.26 (2015-03-16)</title>
736
737	<para>This is a maintenance release. The following items were fixed and/or
738	added:</para>
739
740	<itemizedlist>
741
742	<listitem>
743	<para>GUI: in the snapshots pane, protect the age of snapshots against
744	wrong host time (bug #13955)</para>
745	</listitem>
746
747	<listitem>
748	<para>NAT Network: fixed a bug which prevented to propagate any DNS
749	name server / domain / search string information to the NAT network
750	(4.3.24 regression; bugs #13915, #13918)</para>
751	</listitem>
752
753	<listitem>
754	<para>NAT Network: don't delay the shutdown of VBoxSVC on
755	Windows hosts</para>
756	</listitem>
757
758	<listitem>
759	<para>Mouse support: the mouse could not be moved under rare
760	conditions if no Guest Additions are installed (4.3.24 regression;
761	bug #13935)</para>
762	</listitem>
763
764	<listitem>
765	<para>Storage: if the guest ejects a virtual CD/DVD medium, make the
766	change permanent (bugs #9858, #12885)</para>
767	</listitem>
768
769	<listitem>
770	<para>VGA: made saving secondary screen sizes possible in X11 guests</para>
771	</listitem>
772
773	<listitem>
774	<para>SDK: fixed the VirtualBox.tlb file (4.3.20 regression; bug #13943)</para>
775	</listitem>
776
777	<listitem>
778	<para>rdesktop-vrdp: make it work with USB devices again
779	(4.3.14 regression; bug #13901)</para>
780	</listitem>
781
782	<listitem>
783	<para>USB: fixed a possible BSOD on Windows hosts under rare conditions</para>
784	</listitem>
785
786	<listitem>
787	<para>iPXE: enable the HTTP download protocol on non-Linux hosts (bug #13628)</para>
788	</listitem>
789
790	<listitem>
791	<para>Mac OS X hosts: don't panic on hosts with activated SMAP (Broadwell
792	and later; bug #13951)</para>
793	</listitem>
794
795	<listitem>
796	<para>Linux hosts: don't crash Linux 4.0 hosts (bug #13835)</para>
797	</listitem>
798
799	</itemizedlist>
800	</sect1>
801
802	<sect1>
803	<title>Version 4.3.24 (2015-03-02)</title>
804
805	<para>This is a maintenance release. The following items were fixed and/or
806	added:</para>
807
808	<itemizedlist>
809
810	<listitem>
811	<para>VMM: emulation fix for the <emphasis>ENTER</emphasis> instruction
812	under certain conditions; fixes Solaris 10 guests (VT-x without
813	unrestricted guest execution)</para>
814	</listitem>
815
816	<listitem>
817	<para>VMM: fix for handling NMIs on Linux hosts with X2APIC enabled</para>
818	</listitem>
819
820	<listitem>
821	<para>NAT/NAT Network: fix connection drops when the host's DHCP lease
822	was renewed (4.3.22 regression; Windows hosts only; bug #13839)</para>
823	</listitem>
824
825	<listitem>
826	<para>NAT: don't crash on an empty domain list when switching the
827	DNS host configuration (4.3.22 regression; Mac OS X hosts only;
828	bug #13874)</para>
829	</listitem>
830
831	<listitem>
832	<para>PXE: re-enable it on Windows hosts (4.3.22 regression; Windows hosts
833	only; bug #13842)
834	</para>
835	</listitem>
836
837	<listitem>
838	<para>Shared Folders: fixed a problem with Windows guests (4.3.22 regression;
839	bug #13786)</para>
840	</listitem>
841
842	<listitem>
843	<para>Audio: improved record quality when using the DirectSound audio
844	backend</para>
845	</listitem>
846
847	<listitem>
848	<para>VBoxManage: when executing the <emphasis>controlvm</emphasis> command
849	take care that the corresponding VM runtime changes are saved permanently
850	(bug #13892)</para>
851	</listitem>
852
853	<listitem>
854	<para>Windows Installer: properly install the 32-bit version of VBoxRes.dll
855	on 32-bit hosts (bug #13876)</para>
856	</listitem>
857
858	<listitem>
859	<para>Linux hosts / guests: Linux 4.0 fixes (bug #13835)</para>
860	</listitem>
861
862	<listitem>
863	<para>OS/2 Additions: fixed mouse integration (4.3.22 regression;
864	bug #13825)</para>
865	</listitem>
866
867	</itemizedlist>
868	</sect1>
869
870	<sect1>
871	<title>Version 4.3.22 (2015-02-12)</title>
872
873	<para>This is a maintenance release. The following items were fixed and/or
874	added:</para>
875
876	<itemizedlist>
877
878	<listitem>
879	<para>VMM: refined measurement of TSC frequency on the host, improves
880	timekeeping for guests</para>
881	</listitem>
882
883	<listitem>
884	<para>VMM: decreased CPU load resulting from guest MMIO writes to the
885	virtual APIC</para>
886	</listitem>
887
888	<listitem>
889	<para>VMM: fixed interception of debug exceptions, observed while using
890	the dbx debugger on Solaris guests (VT-x only)</para>
891	</listitem>
892
893	<listitem>
894	<para>GUI: 3D overlay window positioning code improved, fixed potential
895	misplacement of 3D accelerated guest graphics content</para>
896	</listitem>
897
898	<listitem>
899	<para>GUI: fixed accident SSL authentication failures during update
900	check on Windows hosts (bug #12969)</para>
901	</listitem>
902
903	<listitem>
904	<para>GUI: never send the "ACPI power" keyboard scancode to the guest,
905	we have the ACPI power button for that</para>
906	</listitem>
907
908	<listitem>
909	<para>GUI: was unable to properly restore seamless mode VM from
910	snapshot/saved-state under some circumstances</para>
911	</listitem>
912
913	<listitem>
914	<para>VBoxHeadless: don't crash if 3D is enabled in the VM settings
915	(bug #10250)</para>
916	</listitem>
917
918	<listitem>
919	<para>ATA: fixed several passthrough issues (bugs #12310, #1360)</para>
920	</listitem>
921
922	<listitem>
923	<para>Audio: fixed DirectSound failure when the the host has no audio
924	input device (Windows hosts only; bug #9205)</para>
925	</listitem>
926
927	<listitem>
928	<para>SB16: fixed compatibility issue (bug #13769)</para>
929	</listitem>
930
931	<listitem>
932	<para>Storage: fixed broken CD/DVD passthrough when using the
933	IDE controller (bug #12310)</para>
934	</listitem>
935
936	<listitem>
937	<para>NAT: new ping proxy for Windows hosts (bug #11871)</para>
938	</listitem>
939
940	<listitem>
941	<para>NAT: Properly report outbound connect(2) failures to
942	guest with TCP RST or ICMP (bug #10525)</para>
943	</listitem>
944
945	<listitem>
946	<para>NAT Network: no need for frequent wakeups in VBoxNetDHCP
947	and VBoxNetNAT (bug #11681)</para>
948	</listitem>
949
950	<listitem>
951	<para>Host-only adapter: prevent Windows from creating an "Unidentified
952	network" (bug #9688)</para>
953	</listitem>
954
955	<listitem>
956	<para>Bridged Networking: don't leak host-to-guest traffic to
957	the wireless network when bridging to a wireless interface
958	(bug #13714)</para>
959	</listitem>
960
961	<listitem>
962	<para>Main: fixed a possible race when changing the medium leading
963	to a deadlock under rare conditions (bug #13722)</para>
964	</listitem>
965
966	<listitem>
967	<para>VBoxManage: fixed return code if starting a VM failed
968	(bug #13773)</para>
969	</listitem>
970
971	<listitem>
972	<para>Settings: on Windows host, do not use environment variable HOME
973	at all, the settings location is derived from the user profile
974	directory (bug #7689)</para>
975	</listitem>
976
977	<listitem>
978	<para>API: fixed 2 deadlock opportunities related to medium handling
979	(bugs #13789, #13801, thank you Alexander Urakov)</para>
980	</listitem>
981
982	<listitem>
983	<para>API: fixed bug in XPCOM which created too few worker threads,
984	sporadically resulting in a deadlock (bug #13802, thank you Alexander
985	Urakov)</para>
986	</listitem>
987
988	<listitem>
989	<para>SDK: fixed a garbage collection leak in the Python VirtualBox
990	webservice API binding (bug #13817)</para>
991	</listitem>
992
993	<listitem>
994	<para>Linux hosts: fixes for activated SMAP (Broadwell and later,
995	bug #13820)</para>
996	</listitem>
997
998	<listitem>
999	<para>X11 guests: prevent unwanted hiding of guest screens
1000	on multi-monitor guests (bug #13287)</para>
1001	</listitem>
1002
1003	<listitem>
1004	<para>X11 guests: added support for X.Org Server 1.17</para>
1005	</listitem>
1006
1007	<listitem>
1008	<para>X11 Additions: fixed a memory leak in VBoxService if libdbus
1009	is available but dbus-daemon isn't running (bug #13770)</para>
1010	</listitem>
1011
1012	<listitem>
1013	<para>Windows Additions: prevent VBox WDDM driver from loading if host
1014	reports weak OpenGL capabilities. 3D content now can be shown over
1015	Remote Desktop connection.</para>
1016	</listitem>
1017
1018	<listitem>
1019	<para>Winodws Additions: some fixes for recent Windows 10 Previews</para>
1020	</listitem>
1021
1022	<listitem>
1023	<para>Linux Additions: fixed a compatibility issue with 64-bit
1024	Linux 2.4 kernels</para>
1025	</listitem>
1026
1027	<listitem>
1028	<para>Linux Additions: fixed a potential use-after-free when unloading
1029	the VBoxGuest module</para>
1030	</listitem>
1031
1032	<listitem>
1033	<para>Linux Additions: Linux 3.19 fixes (bug #13741)</para>
1034	</listitem>
1035
1036	</itemizedlist>
1037	</sect1>
1038
1039	<sect1>
1040	<title>Version 4.3.20 (2014-11-21)</title>
1041
1042	<para>This is a maintenance release. The following items were fixed and/or
1043	added:</para>
1044
1045	<itemizedlist>
1046
1047	<listitem>
1048	<para>VMM: fixed reboot hang of 32-bit Windows SMP guests (bugs #13319,
1049	#13462)</para>
1050	</listitem>
1051
1052	<listitem>
1053	<para>VMM: proper <emphasis>Math Fault</emphasis> handling with certain
1054	legacy guests (bug #9042, AMD hosts)</para>
1055	</listitem>
1056
1057	<listitem>
1058	<para>VMM: fixed a Guru Meditation <emphasis>VINF_EM_TRIPLE_FAULT</emphasis>
1059	on older CPUs that don't support MSR-bitmaps (VT-x only;
1060	bugs #13034, #13125, #13311, #13425, #13426, #13463, #13585)</para>
1061	</listitem>
1062
1063	<listitem>
1064	<para>GUI: fix 3D overlay window reparenting issue when VM goes to
1065	fullscreen mode on X11 hosts</para>
1066	</listitem>
1067
1068	<listitem>
1069	<para>GUI: fix occasional loss of focus in full-screen mode on X11
1070	host systems (4.3.16 regression)</para>
1071	</listitem>
1072
1073	<listitem>
1074	<para>GUI: Mac OS X: wizards should have Cancel button
1075	(bug #12541)</para>
1076	</listitem>
1077
1078	<listitem>
1079	<para>GUI: added a global option to prevent automatic raising of the
1080	new window by mouse move with multi-screen guests (bug #8878)</para>
1081	</listitem>
1082
1083	<listitem>
1084	<para>API: accept remote display port 0 as the default RDP port
1085	(bug #8534)</para>
1086	</listitem>
1087
1088	<listitem>
1089	<para>VBoxManage: fixed crash when executing <emphasis>showvminfo</emphasis>
1090	command under certain circumstances (bug #13190)</para>
1091	</listitem>
1092
1093	<listitem>
1094	<para>ACPI: fixed occassional Guru Meditations in ACPI timer code
1095	(4.3.18 regression; bug #13521)</para>
1096	</listitem>
1097
1098	<listitem>
1099	<para>EFI: improved performance of IDE disk access</para>
1100	</listitem>
1101
1102	<listitem>
1103	<para>EFI: fixed a bug in the EFI video driver which prevented
1104	Windows to boot in UEFI mode (bug #12022)</para>
1105	</listitem>
1106
1107	<listitem>
1108	<para>EFI: properly announce the amount of RAM for big VMs
1109	(bugs #11103 and #13211)</para>
1110	</listitem>
1111
1112	<listitem>
1113	<para>Storage: fixed a crash under certain cicrumstances when a medium
1114	was ejected from a drive attached to the SATA controller without
1115	inserting a new medium before pausing or closing the VM
1116	(4.3.16 regression) </para>
1117	</listitem>
1118
1119	<listitem>
1120	<para>Storage: fixed an interrupt acknowledge issue causing hanging guests
1121	or slower I/O (4.3.18 regression)</para>
1122	</listitem>
1123
1124	<listitem>
1125	<para>Storage: fixed broken resume after the VM was suspended due to
1126	a full disk if host I/O caching is used</para>
1127	</listitem>
1128
1129	<listitem>
1130	<para>Storage: fixed a Guru Meditation under certain conditions when
1131	using the DevLsiLogic controller with VMs running in raw mode
1132	(4.3 regression; bugs #12254, #12655, #12709, #12774, #12886)</para>
1133	</listitem>
1134
1135	<listitem>
1136	<para>Guest Control: fixed a bug which might lead to a crash during
1137	recursive copy</para>
1138	</listitem>
1139
1140	<listitem>
1141	<para>SDK: Java COM bindings fixes</para>
1142	</listitem>
1143
1144	<listitem>
1145	<para>iPXE: enable the HTTP download protocol (bug #13628)</para>
1146	</listitem>
1147
1148	<listitem>
1149	<para>Runtime: do not use a fixed stack size creating temporary threads
1150	during initialization (bug #13038)</para>
1151	</listitem>
1152
1153	<listitem>
1154	<para>Windows hosts: fixed more startup problems on certain Windows hosts due
1155	to conflicts with anti-virus software; better error reporting
1156	(4.3.14 regression; bug #13187)</para>
1157	</listitem>
1158
1159	<listitem>
1160	<para>Windows hosts: fixed DirectSound host audio failure under certain conditions
1161	(bug #13418)</para>
1162	</listitem>
1163
1164	<listitem>
1165	<para>Windows hosts: fixed additional cases of 4.3.14 regression
1166	whereby AltGr stopped working for some people (bug #13216)</para>
1167	</listitem>
1168
1169	<listitem>
1170	<para>Windows Additions: preserve guest monitor layout when resizing
1171	Windows 7 or newer guests</para>
1172	</listitem>
1173
1174	<listitem>
1175	<para>Linux Additions: Linux 3.18 compile fixes (bug #13515)</para>
1176	</listitem>
1177
1178	</itemizedlist>
1179	</sect1>
1180
1181	<sect1>
1182	<title>Version 4.3.18 (2014-10-10)</title>
1183
1184	<para>This is a maintenance release. The following items were fixed and/or
1185	added:</para>
1186
1187	<itemizedlist>
1188
1189	<listitem>
1190	<para>VMM: fixed a potential misbehavior after restoring the A20 state
1191	from a saved state</para>
1192	</listitem>
1193
1194	<listitem>
1195	<para>GUI: fixed full-screen mode mini-toolbar related regressions
1196	for different platforms and window managers (bug #13369)</para>
1197	</listitem>
1198
1199	<listitem>
1200	<para>GUI: X11: fixed full-screen mode Unity panels quirk caused by
1201	mini-toolbar code changes in last release (bug #13365)</para>
1202	</listitem>
1203
1204	<listitem>
1205	<para>GUI: X11: added possibility to use legacy full-screen mode
1206	as the new one can cause multi-screen issues under Unity, see
1207	<xref linkend="legacy-fullscreen-mode" xreflabel="here"/> (bug #13365)</para>
1208	</listitem>
1209
1210	<listitem>
1211	<para>GUI: Mac OS X: fixed full-screen mode artifact causing black screen
1212	when 3D acceleration was enabled on 10.10 Yosemite hosts (bug #13448)</para>
1213	</listitem>
1214
1215	<listitem>
1216	<para>GUI: Mac OS X: fixed regression in user-space swiping from/to
1217	VBox in full-screen mode</para>
1218	</listitem>
1219
1220	<listitem>
1221	<para>GUI: Mac OS X: fixed issue with switching to VBox in full-screen
1222	mode through Alt+Tab and Mission Control</para>
1223	</listitem>
1224
1225	<listitem>
1226	<para>Storage: fixed data corruption when resizing huge VHD images under
1227	certain circumstances (bug #11960)</para>
1228	</listitem>
1229
1230	<listitem>
1231	<para>Storage: fixed a rare hang during startup when the BIOS enumerates the
1232	storage devices attached to the SATA controller</para>
1233	</listitem>
1234
1235	<listitem>
1236	<para>Storage: follow the spec with AHCI interrupt acknowledge (bug #13474)</para>
1237	</listitem>
1238
1239	<listitem>
1240	<para>Storage: fixed broken iSCSI authentication (4.3.14 regression; bugs #13386,
1241	#13435)</para>
1242	</listitem>
1243
1244	<listitem>
1245	<para>NAT Network: properly parse port forwarding rules to allow UDP
1246	rules</para>
1247	</listitem>
1248
1249	<listitem>
1250	<para>USB: fixed a crash on Linux hosts with older Linux kernels (bug #13400) and
1251	several other fixes</para>
1252	</listitem>
1253
1254	<listitem>
1255	<para>ACPI: fixed ACPI timer anomalies (bug #12076)</para>
1256	</listitem>
1257
1258	<listitem>
1259	<para>Guest Control: fixed a memory leak (bug #13434)</para>
1260	</listitem>
1261
1262	<listitem>
1263	<para>Main: when removing a VM, do also remove the VBoxStartup.log file
1264	which might exist on Windows hosts (bug #13478)</para>
1265	</listitem>
1266
1267	<listitem>
1268	<para>Windows hosts: fixed more startup problems on certain Windows hosts due
1269	to conflicts with anti-virus software; better error reporting
1270	(4.3.14 regression; bug #13187)</para>
1271	</listitem>
1272
1273	<listitem>
1274	<para>Windows hosts: propagate the process startup information to the child
1275	process (4.3.14 regression; bug #13243)</para>
1276	</listitem>
1277
1278	<listitem>
1279	<para>Mac OS X hosts: don't force using the discrete GPU (bug #11111)</para>
1280	</listitem>
1281
1282	<listitem>
1283	<para>Windows Additions: some Windows 10 tweaks</para>
1284	</listitem>
1285
1286	<listitem>
1287	<para>X11 guests: fix a bug handling video driver display properties
1288	which prevented GNOME Shell on Fedora 21 from starting</para>
1289	</listitem>
1290
1291	<listitem>
1292	<para>Linux hosts / guests: fixed a few remaining warnings in the kernel
1293	log if memory allocation fails (bug #11171)</para>
1294	</listitem>
1295
1296	</itemizedlist>
1297	</sect1>
1298
1299	<sect1>
1300	<title>Version 4.3.16 (2014-09-09)</title>
1301
1302	<para>This is a maintenance release. The following items were fixed and/or
1303	added:</para>
1304
1305	<itemizedlist>
1306
1307	<listitem>
1308	<para>VMM: fixed restoring 32-bit FPU state on 64-bit capable VMs
1309	and restoring guest FPU in raw-mode VMs (bug #12646; 4.3 regression)</para>
1310	</listitem>
1311
1312	<listitem>
1313	<para>GUI: properly restore normal/scale mode guest-screen size
1314	after exiting full-screen/seamless mode</para>
1315	</listitem>
1316
1317	<listitem>
1318	<para>GUI: mini-toolbar should provoke less artifacts/conflicts with
1319	3D guest rendering</para>
1320	</listitem>
1321
1322	<listitem>
1323	<para>GUI: Mac OS X: Native full-screen multi-screen transition
1324	was able to blackout host-screens for nearly minute</para>
1325	</listitem>
1326
1327	<listitem>
1328	<para>GUI: X11: Modern window managers should now use native full-screen
1329	multi-screen mapping API</para>
1330	</listitem>
1331
1332	<listitem>
1333	<para>GUI: added extradata item for configuring the mouse capture
1334	behavior, see <xref linkend="mouse-capture" xreflabel="here"/>
1335	(bug #3506)</para>
1336	</listitem>
1337
1338	<listitem>
1339	<para>Storage: fixed a VBoxSVC crash when querying an iSCSI target with
1340	authentication configured (4.3.14 regression)</para>
1341	</listitem>
1342
1343	<listitem>
1344	<para>Storage: fixed a rare data corruption during reads if another
1345	allocating write is running concurrently and accesses the same range</para>
1346	</listitem>
1347
1348	<listitem>
1349	<para>Storage: fixed a rare crash for certain VHD images from other products</para>
1350	</listitem>
1351
1352	<listitem>
1353	<para>Storage: fixed a rare release assertion when using the AHCI controller</para>
1354	</listitem>
1355
1356	<listitem>
1357	<para>Floppy: fixed read errors and guest memory corruption when running
1358	under control of QEMM</para>
1359	</listitem>
1360
1361	<listitem>
1362	<para>3D: added experimental support for rendering on offline GPUs for Mac OS X host</para>
1363	</listitem>
1364
1365	<listitem>
1366	<para>3D: fixed white window appearing on entering FullScreen mode on Mac OS X host</para>
1367	</listitem>
1368
1369	<listitem>
1370	<para>3D: fixed video recording support for 3D data regression (bug #13073)</para>
1371	</listitem>
1372
1373	<listitem>
1374	<para>3D: fixes for MS Office 2013 support</para>
1375	</listitem>
1376
1377	<listitem>
1378	<para>3D: several fixes</para>
1379	</listitem>
1380
1381	<listitem>
1382	<para>Bridged Networking: improved IPv6 support when bridging
1383	to a wireless interface</para>
1384	</listitem>
1385
1386	<listitem>
1387	<para>NAT: prevent internal DNS service from stuck in host-resolver mode
1388	when host was switched from one network to another one while host was
1389	sleeping (Mac OS X hosts)</para>
1390	</listitem>
1391
1392	<listitem>
1393	<para>NAT: preserve DF (if possible) and TOS when proxying
1394	outbound UDP datagrams (bugs #9440, #12309)</para>
1395	</listitem>
1396
1397	<listitem>
1398	<para>NAT: don't let multicast datagrams out (bug #7338)</para>
1399	</listitem>
1400
1401	<listitem>
1402	<para>NAT: fixed handling of large incoming UDP datagrams on
1403	Windows hosts (bug #12136)</para>
1404	</listitem>
1405
1406	<listitem>
1407	<para>NAT: fixed handling of the RFC 1533 DHCP PAD option</para>
1408	</listitem>
1409
1410	<listitem>
1411	<para>NAT Network: fixed inbound half-close on Windows hosts</para>
1412	</listitem>
1413
1414	<listitem>
1415	<para>NAT Network: preserve IPv4 DF (if possible), TTL, TOS
1416	and IPv6 Hop Limit when proxying outbound UDP
1417	datagrams</para>
1418	</listitem>
1419
1420	<listitem>
1421	<para>VRDP: fixed a rare crash when using remote audio input</para>
1422	</listitem>
1423
1424	<listitem>
1425	<para>USB: fixed several regressions from 4.3.14 (bug #13320)</para>
1426	</listitem>
1427
1428	<listitem>
1429	<para>Audio: made the HDA sound emulation work with certain Mac OS X guests
1430	(e.g. Mountain Lion)</para>
1431	</listitem>
1432
1433	<listitem>
1434	<para>Windows hosts: fixed startup problems on certain Windows hosts due
1435	to conflicts with anti-virus software (4.3.14 regression; bug #13187)</para>
1436	</listitem>
1437
1438	<listitem>
1439	<para>Windows hosts: fixed 4.3.14 regression whereby AltGr stopped
1440	working for some people (bug #13216)</para>
1441	</listitem>
1442
1443	<listitem>
1444	<para>X11 hosts: made the extra key on Brazilian Thinkpads work
1445	(bug #8745)</para>
1446	</listitem>
1447
1448	<listitem>
1449	<para>X11 hosts: fixed a problem of input focus cycles and immediately
1450	released key presses in full screen mode (bug #13238)</para>
1451	</listitem>
1452
1453	<listitem>
1454	<para>Linux hosts: fixed flooding the kernel log with USB related messages
1455	when passing through certain USB devices to a VM (bug #13085)</para>
1456	</listitem>
1457
1458	<listitem>
1459	<para>Linux guests: stop applications crashing when <emphasis>drm_wait_vblank</emphasis>
1460	is called (bug #13265)</para>
1461	</listitem>
1462
1463	<listitem>
1464	<para>Linux guests: fix a crash in gnome-session (bug #13335)</para>
1465	</listitem>
1466
1467	<listitem>
1468	<para>X11 guests: do not start VBoxClient over an SSH connection
1469	(bug #13107)</para>
1470	</listitem>
1471
1472	<listitem>
1473	<para>X11 guests: added support for X.Org Server 1.16 (bug #13207)</para>
1474	</listitem>
1475
1476	<listitem>
1477	<para>X11 guests: fixed a wrong parameter in the video driver which
1478	caused problems with full-screen X11 clients (bug #2748)</para>
1479	</listitem>
1480
1481	<listitem>
1482	<para>VirtualKD: introduced stub/loader device for speeding up Windows
1483	kernel debugging, details see <ulink type=""
1484	url="http://virtualkd.sysprogs.org/">http://virtualkd.sysprogs.org/</ulink></para>
1485	</listitem>
1486
1487	</itemizedlist>
1488	</sect1>
1489
1490	<sect1>
1491	<title>Version 4.3.14 (2014-07-15)</title>
1492
1493	<para>This is a maintenance release. The following items were fixed and/or
1494	added:</para>
1495
1496	<itemizedlist>
1497
1498	<listitem>
1499	<para>VMM: more fixes for MSR emulation on certain hardware (bugs
1500	#12784, #12949, #13034)</para>
1501	</listitem>
1502
1503	<listitem>
1504	<para>VMM: improve MSI handling under rare circumstances (only
1505	relevant for the ICH9 chipset)</para>
1506	</listitem>
1507
1508	<listitem>
1509	<para>VMM: fixed #UD exception for 64-bit guests with the EFER.SCE bit
1510	and the <emphasis>SYSCALL</emphasis> instruction (VT-x only;
1511	4.3 regression; bug #13008)</para>
1512	</listitem>
1513
1514	<listitem>
1515	<para>VMM: fixed timekeeping after resuming SMP guests</para>
1516	</listitem>
1517
1518	<listitem>
1519	<para>VMM: properly wake up a halted VCPU on NMI/SMI</para>
1520	</listitem>
1521
1522	<listitem>
1523	<para>GUI: fixed a potential crash</para>
1524	</listitem>
1525
1526	<listitem>
1527	<para>GUI: fixed stuck AltGr key on Windows hosts (bug #2537)</para>
1528	</listitem>
1529
1530	<listitem>
1531	<para>GUI: fixed a potential error during the version check</para>
1532	</listitem>
1533
1534	<listitem>
1535	<para>GUI: shortcut change should not require Enter/Return (or other
1536	trigger) to confirm (bugs #12828, #12847, #12937, #13087)</para>
1537	</listitem>
1538
1539	<listitem>
1540	<para>GUI: fixed update check which was broken due to changing the
1541	location of the root certificates (bug #13096)</para>
1542	</listitem>
1543
1544	<listitem>
1545	<para>VBoxManage: fixed typo in <emphasis>showvminfo --machinereadable</emphasis>
1546	(bug #13176)</para>
1547	</listitem>
1548
1549	<listitem>
1550	<para>NAT: fixed inbound half-close (bug #13116)</para>
1551	</listitem>
1552
1553	<listitem>
1554	<para>NAT: fixed slow upload speed under certain conditions
1555	(bug #10034)</para>
1556	</listitem>
1557
1558	<listitem>
1559	<para>NAT Network: fixed potential loss of inbound TCP data</para>
1560	</listitem>
1561
1562	<listitem>
1563	<para>NAT Network: fixed potential infinite stalls of TCP
1564	connections over IPv6</para>
1565	</listitem>
1566
1567	<listitem>
1568	<para>NAT Network: fixed resets of TCP connections on Windows
1569	hosts</para>
1570	</listitem>
1571
1572	<listitem>
1573	<para>NAT Network: fixed inbound half-close on Mac OS X hosts</para>
1574	</listitem>
1575
1576	<listitem>
1577	<para>NAT Network: fixed socket leak on Solaris hosts</para>
1578	</listitem>
1579
1580	<listitem>
1581	<para>NAT Network: fixed ping of mapped host loopback on Mac OS X
1582	and Solaris hosts, fixed proxying of IMCP errors on Mac OS X</para>
1583	</listitem>
1584
1585	<listitem>
1586	<para>Host-Only Network: fixed SNMP <emphasis>ifConnectorPresent</emphasis>
1587	value on Windows (bug #13143)</para>
1588	</listitem>
1589
1590	<listitem>
1591	<para>Storage: fixed a possible crash with CD/DVD passthrough under
1592	certain circumstances</para>
1593	</listitem>
1594
1595	<listitem>
1596	<para>Storage: fixed a crash when trying to open an inaccessible QED
1597	or QCOW image (bug #12613)</para>
1598	</listitem>
1599
1600	<listitem>
1601	<para>Storage: fixed data corruption or read errors under rare
1602	circumstances</para>
1603	</listitem>
1604
1605	<listitem>
1606	<para>AHCI: fixed a crash under rare circumstances</para>
1607	</listitem>
1608
1609	<listitem>
1610	<para>USB: performance fixes</para>
1611	</listitem>
1612
1613	<listitem>
1614	<para>ICH9: properly reset MSI capability on reset</para>
1615	</listitem>
1616
1617	<listitem>
1618	<para>Keyboard: active modifier keys during suspend were stuck after
1619	resuming the host</para>
1620	</listitem>
1621
1622	<listitem>
1623	<para>3D: fixed misbehavior with huge guests (i.e. guest more than
1624	4GB guest memory</para>
1625	</listitem>
1626
1627	<listitem>
1628	<para>3D: several fixes</para>
1629	</listitem>
1630
1631	<listitem>
1632	<para>API: properly detect the Windows 8.1 guest OS type (bug #13090)</para>
1633	</listitem>
1634
1635	<listitem>
1636	<para>ExtPack: cleanup of dangling uninstallation directories</para>
1637	</listitem>
1638
1639	<listitem>
1640	<para>Linux hosts / guests: compile fix for EL7 (bug #12638)</para>
1641	</listitem>
1642
1643	<listitem>
1644	<para>Linux Additions: made 3D pass-through work with recent versions
1645	of Mesa in the guest (bug #12941)</para>
1646	</listitem>
1647
1648	<listitem>
1649	<para>Linux Additions: Linux 3.16 fixes (bug #13123)</para>
1650	</listitem>
1651
1652	<listitem>
1653	<para>Mac OS X hosts: when scanning for host CD/DVD devices also consider
1654	BlueRay devices</para>
1655	</listitem>
1656
1657	<listitem>
1658	<para>Mac OS X hosts: fixed host shutdown and reboot delay caused by running VBoxSVC
1659	process in some cases</para>
1660	</listitem>
1661
1662	<listitem>
1663	<para>OS/2 Additions: fixed gengradd.dll library name (bug #12785)</para>
1664	</listitem>
1665
1666	<listitem>
1667	<para>Solaris Additions: fixed permissions of files and directories
1668	located on shared folders</para>
1669	</listitem>
1670
1671	<listitem>
1672	<para>Windows host installer: fixed the need for rebooting Windows after
1673	installation or upgrade, extended logging for NetFlt/NetAdp (un)installation</para>
1674	</listitem>
1675
1676	</itemizedlist>
1677
1678	</sect1>
1679
1680	<sect1>
1681	<title>Version 4.3.12 (2014-05-16)</title>
1682
1683	<para>This is a maintenance release. The following items were fixed and/or
1684	added:</para>
1685
1686	<itemizedlist>
1687
1688	<listitem>
1689	<para>VMM: fixed an occasional Guru Meditation (Mac OS X hosts only;
1690	bugs #12727, #12954)</para>
1691	</listitem>
1692
1693	<listitem>
1694	<para>VMM: fixed a rare condition that would fail to invalidate guest TLB
1695	entries or would invalidate them when not required (Windows hosts only)</para>
1696	</listitem>
1697
1698	<listitem>
1699	<para>VMM: fixed a <emphasis>VERR_NOT_SUPPORTED</emphasis> Guru Meditation
1700	seen with certain guests, e.g. OpenServer 5.0.7</para>
1701	</listitem>
1702
1703	<listitem>
1704	<para>VMM: more fixes for MSR emulation on certain hardware (bugs #12240,
1705	#12875)</para>
1706	</listitem>
1707
1708	<listitem>
1709	<para>GUI: fixed mouse positioning with mouse integration disabled and
1710	multiple guest screens (Windows hosts only; bug #9059)</para>
1711	</listitem>
1712
1713	<listitem>
1714	<para>GUI: fixed crash in VM manager (bug #12878)</para>
1715	</listitem>
1716
1717	<listitem>
1718	<para>GUI: fixed crash under rare conditions on entering/exiting
1719	full-screen/seamless mode</para>
1720	</listitem>
1721
1722	<listitem>
1723	<para>Shared Clipboard: don't stop working after taking a snapshot
1724	(bug #12700)</para>
1725	</listitem>
1726
1727	<listitem>
1728	<para>AHCI: fixed a crash under rare circumstances</para>
1729	</listitem>
1730
1731	<listitem>
1732	<para>API: fixed a hang during VM shutdown under rare conditions</para>
1733	</listitem>
1734
1735	<listitem>
1736	<para>NAT: fixed generation of malformed ICMP error datagrams (4.3.10 regression)</para>
1737	</listitem>
1738
1739	<listitem>
1740	<para>NAT: fixed potential crash in DNS proxy</para>
1741	</listitem>
1742
1743	<listitem>
1744	<para>NAT Network: don't drop port forwarding rules after some time</para>
1745	</listitem>
1746
1747	<listitem>
1748	<para>NAT: fixed ARP cache corruption and network loss in Windows guest caused
1749	by iSCSI service activity</para>
1750	</listitem>
1751
1752	<listitem>
1753	<para>USB: improved check if a storage device is currently mounted to the host
1754	when the device is about to be attached to the VM (Mac OS X hosts only; #11038)</para>
1755	</listitem>
1756
1757	<listitem>
1758	<para>3D support: several fixes, including better support for Ubuntu 14.04</para>
1759	</listitem>
1760
1761	<listitem>
1762	<para>VRDP: fixed a potential crash on client disconnect (bug #12858)</para>
1763	</listitem>
1764
1765	<listitem>
1766	<para>VBoxSVC: fixed a race when a new client is started a few seconds after
1767	the last client terminated (Windows hosts only; bugs #11309, #12509)</para>
1768	</listitem>
1769
1770	<listitem>
1771	<para>VBoxSVC: fixed VirtualBox.xml registry corruption after VM renaming</para>
1772	</listitem>
1773
1774	<listitem>
1775	<para>VBoxSVC: fixed a potential crash caused by incorrect USB device filter
1776	(Mac OS X hosts only; #11038)</para>
1777	</listitem>
1778
1779	<listitem>
1780	<para>Windows hosts: partly support 32-bit COM on 64-bit systems</para>
1781	</listitem>
1782
1783	<listitem>
1784	<para>Windows host installer: implemented merge module (msm) support</para>
1785	</listitem>
1786
1787	<listitem>
1788	<para>Linux hosts: fixed dependency of boot script on older Debian systems
1789	(bug #12262)</para>
1790	</listitem>
1791
1792	<listitem>
1793	<para>Linux guests: fix symbolic link to shared folder helper
1794	(bug #12879)</para>
1795	</listitem>
1796
1797	<listitem>
1798	<para>Linux Additions: don't crash VBoxService during guest execute for
1799	users without a password (bug #12994)</para>
1800	</listitem>
1801
1802	<listitem>
1803	<para>Linux Additions: fixed a bug in guest execution where the guest process
1804	terminated with <emphasis>VERR_INTERRUPTED</emphasis> to the host</para>
1805	</listitem>
1806
1807	</itemizedlist>
1808
1809	</sect1>
1810
1811	<sect1>
1812	<title>Version 4.3.10 (2014-03-26)</title>
1813
1814	<para>This is a maintenance release. The following items were fixed and/or
1815	added:</para>
1816
1817	<itemizedlist>
1818
1819	<listitem>
1820	<para>VMM: more work on improving the emulation of certain MSR registers
1821	on certain host CPUs (e.g. bugs #12734, #12736, #12744, #12748, #12686,
1822	#12770)</para>
1823	</listitem>
1824
1825	<listitem>
1826	<para>VMM: fixed single-stepping for real-mode guests (VT-x without
1827	unrestricted guest execution) and some I/O instructions (bug #12636)</para>
1828	</listitem>
1829
1830	<listitem>
1831	<para>VMM: fixed a potential problem with COW pages if nested paging is
1832	not available</para>
1833	</listitem>
1834
1835	<listitem>
1836	<para>GUI: Mac OS X: experimental native full screen support for
1837	Mountain Lion and Mavericks (bug #12292)</para>
1838	</listitem>
1839
1840	<listitem>
1841	<para>GUI: Mac OS X: removed the mini-toolbar minimize button which
1842	doesn't work under Mac OS X full screen mode anyway</para>
1843	</listitem>
1844
1845	<listitem>
1846	<para>GUI: experimental HID LEDs synchronization for Windows and Mac OS X hosts:
1847	fixed keyboard re-synchronization if the feature is disabled (as done by default;
1848	bug #12758)</para>
1849	</listitem>
1850
1851	<listitem>
1852	<para>GUI: fixed a potential crash when opening the preferences menu
1853	(bug #12862)</para>
1854	</listitem>
1855
1856	<listitem>
1857	<para>OVF: fixed a crash of the VirtualBox Manager when re-starting guest
1858	export (bug #12586)</para>
1859	</listitem>
1860
1861	<listitem>
1862	<para>3D support: several fixes</para>
1863	</listitem>
1864
1865	<listitem>
1866	<para>HGCM: fixed a problem with saved states which could cause several
1867	guest misbehavior after a VM was started from a saved state</para>
1868	</listitem>
1869
1870	<listitem>
1871	<para>Storage: fixed a bug preventing to compact differential snapshots
1872	under certain conditions</para>
1873	</listitem>
1874
1875	<listitem>
1876	<para>VBoxSVC: fixed a segmentation fault on Linux hosts if a very long path
1877	exists under /dev (bug #12760)</para>
1878	</listitem>
1879
1880	<listitem>
1881	<para>API: fixed guest misbehavior under certain conditions if a storage
1882	medium was attached or removed at VM runtime</para>
1883	</listitem>
1884
1885	<listitem>
1886	<para>Windows installer: make the <emphasis>--silent</emphasis>
1887	parameter work again (bug #12764)</para>
1888	</listitem>
1889
1890	<listitem>
1891	<para>Mac OS X Networking: prevent local traffic (VM-to/from-host) from
1892	leaking to wire (bug #12750)</para>
1893	</listitem>
1894
1895	<listitem>
1896	<para>Windows Additions: fixed the environment for guest processes
1897	(4.3.8 regression; bug #12782)</para>
1898	</listitem>
1899
1900	<listitem>
1901	<para>Windows Additions/WDDM: fixed divide by zero exception with
1902	multiple guest screens under certain conditions</para>
1903	</listitem>
1904
1905	<listitem>
1906	<para>Windows Additions/WDDM: fixed crashes with 2D video
1907	acceleration enabled (4.3.8 regression; bug #12745)</para>
1908	</listitem>
1909
1910	<listitem>
1911	<para>Linux Additions: install correctly on Ubuntu guest systems
1912	with a /usr/lib64 directory (bug #12513)</para>
1913	</listitem>
1914
1915	<listitem>
1916	<para>X11 Additions: fix for the VBoxClient process not exiting
1917	correctly (bug #12348) and consuming too much processor time</para>
1918	</listitem>
1919
1920	</itemizedlist>
1921	</sect1>
1922
1923	<sect1>
1924	<title>Version 4.3.8 (2014-02-25)</title>
1925
1926	<para>This is a maintenance release. The following items were fixed and/or
1927	added:</para>
1928
1929	<itemizedlist>
1930
1931	<listitem>
1932	<para>VMM: more work on improving the emulation of certain MSR registers
1933	(e.g. bugs #12224, #12544)</para>
1934	</listitem>
1935
1936	<listitem>
1937	<para>VMM: fixed a <emphasis>VERR_INVALID_RPL</emphasis> Guru Meditation
1938	when booting certain guests (bug #11350)</para>
1939	</listitem>
1940
1941	<listitem>
1942	<para>VMM: experimental support for SSE 4.1 / SSE 4.2 passthrough, see
1943	the user manual how to enable it (bug #8651)</para>
1944	</listitem>
1945
1946	<listitem>
1947	<para>VMM: fix for recent Linux kernels with software virtualization</para>
1948	</listitem>
1949
1950	<listitem>
1951	<para>GUI: experimental HID LEDs synchronization for Windows hosts, see
1952	<xref linkend="hidledssync" xreflabel="here"/></para>
1953	</listitem>
1954
1955	<listitem>
1956	<para>GUI: warn the user if the Oracle Extension Pack is not installed and
1957	the user tries to activate the remote display feature (bug #9104)</para>
1958	</listitem>
1959
1960	<listitem>
1961	<para>GUI: make sure that a minimized guest (using mini toolbar in
1962	full screen / seamless mode) keeps the minimized state (bug #12199)</para>
1963	</listitem>
1964
1965	<listitem>
1966	<para>GUI: popup banner's "do not show this message again" check-box
1967	replaced with corresponding button</para>
1968	</listitem>
1969
1970	<listitem>
1971	<para>GUI: network adapter cables can now be connected/disconnected directly through
1972	the running virtual machine Devices / Network menu a Network status-bar
1973	indicator</para>
1974	</listitem>
1975
1976	<listitem>
1977	<para>GUI: the new VM wizard now proposes 64-bit guests on 64-bit hosts
1978	by default; better distinction between 32-bit OS types 64-bit OS types
1979	(bug #12533)</para>
1980	</listitem>
1981
1982	<listitem>
1983	<para>GUI: better error message if appliance import fails
1984	(bug #12657)</para>
1985	</listitem>
1986
1987	<listitem>
1988	<para>GUI: allow to set host-combination to 'None' using the Global settings
1989	/ Input page (bug #12730)</para>
1990	</listitem>
1991
1992	<listitem>
1993	<para>GUI: don't switch the guest to a black screen during online snapshot
1994	merge (4.3 regression)</para>
1995	</listitem>
1996
1997	<listitem>
1998	<para>VBoxManage: when exporting an appliance, support the suppression
1999	of MAC addresses, which means they will be always recreated on
2000	import, avoiding duplicate MAC addresses for VMs which are imported
2001	several times</para>
2002	</listitem>
2003
2004	<listitem>
2005	<para>AHCI: fixed a VM hang during suspend under certain circumstances</para>
2006	</listitem>
2007
2008	<listitem>
2009	<para>AHCI: fixed a VM hang during online snapshot merge under certain
2010	circumstances</para>
2011	</listitem>
2012
2013	<listitem>
2014	<para>AHCI: fixed a bug which resulted in Windows XP guest hangs if a
2015	SATA CDROM is attached (bug #12417)</para>
2016	</listitem>
2017
2018	<listitem>
2019	<para>AHCI: fixed a Guru Meditation under certain conditions</para>
2020	</listitem>
2021
2022	<listitem>
2023	<para>AHCI: ejecting a CD/DVD medium failed under certain conditions</para>
2024	</listitem>
2025
2026	<listitem>
2027	<para>AHCI: disk hotplugging fixes</para>
2028	</listitem>
2029
2030	<listitem>
2031	<para>NAT: transparent handling of host sleep/resume and network configuration
2032	changes if the dnsproxy is enabled or if the hostresolver is used
2033	(bug #12441)</para>
2034	</listitem>
2035
2036	<listitem>
2037	<para>NAT: fixed crash and misbehaviour under some circumstances with
2038	ICMP packets having TTL=1</para>
2039	</listitem>
2040
2041	<listitem>
2042	<para>NAT Network: fixed IPv6 reassembly</para>
2043	</listitem>
2044
2045	<listitem>
2046	<para>NAT Network: ping proxy implemented</para>
2047	</listitem>
2048
2049	<listitem>
2050	<para>OVF: fixed reading of the OVF 0.9 section element
2051	(4.3 regression; bug #12345)</para>
2052	</listitem>
2053
2054	<listitem>
2055	<para>OVF: several fixes</para>
2056	</listitem>
2057
2058	<listitem>
2059	<para>3D support: several fixes, multiscreen fixes (e.g. bug #9124)</para>
2060	</listitem>
2061
2062	<listitem>
2063	<para>3D support: include 3D content in captured videos (bug #12666)</para>
2064	</listitem>
2065
2066	<listitem>
2067	<para>3D support: include 3D content in captured screenshot (bug #11758)</para>
2068	</listitem>
2069
2070	<listitem>
2071	<para>VGA: proper handling of legacy graphics modes if the Guest
2072	Additions are active (bug #6649)</para>
2073	</listitem>
2074
2075	<listitem>
2076	<para>USB: fixed crash during isochronous transfer under rare
2077	circumstances</para>
2078	</listitem>
2079
2080	<listitem>
2081	<para>BIOS: better disk geometry handling of SCSI drives</para>
2082	</listitem>
2083
2084	<listitem>
2085	<para>API: fix crashes in Java API clients using the XPCOM binding,
2086	happened with output parameters only (bug #11232)</para>
2087	</listitem>
2088
2089	<listitem>
2090	<para>VBoxSVC: documented the handling of host power management events
2091	(see <xref linkend="hostpowertweaks" xreflabel="here"/>) and
2092	added an extradata item for configuring the handling of the battery-low
2093	event (bug #9925)</para>
2094	</listitem>
2095
2096	<listitem>
2097	<para>VBoxSVC: fixed a bug which could trigger a crash if a VM snapshot
2098	was restored the second time and the VM has associated bandwidth groups
2099	(bug #12569)</para>
2100	</listitem>
2101
2102	<listitem>
2103	<para>VBoxSVC: properly detect ifconfig if located in <emphasis>/bin</emphasis>
2104	(bug #12713)</para>
2105	</listitem>
2106
2107	<listitem>
2108	<para>Shared Folders: fixed a failure to restore transient shared folders
2109	when starting a VM from a saved state (bug #12578)</para>
2110	</listitem>
2111
2112	<listitem>
2113	<para>Mac OS X hosts: fixed issue when the application icon was frozen in
2114	the dock if the bridging interface was not connected to a network
2115	(bug #12241)</para>
2116	</listitem>
2117
2118	<listitem>
2119	<para>Linux hosts: also consider the physical package ID when determining
2120	the number of physical CPU cores</para>
2121	</listitem>
2122
2123	<listitem>
2124	<para>Linux hosts / guests: don't warn in kernel log if memory allocation
2125	fails (bug #11171)</para>
2126	</listitem>
2127
2128	<listitem>
2129	<para>Solaris hosts: fixed the autostart SMF script (bug #11720)</para>
2130	</listitem>
2131
2132	<listitem>
2133	<para>Windows hosts: fixes for non-ANSI code page user names and similar
2134	environment contents (bug #12596)</para>
2135	</listitem>
2136
2137	<listitem>
2138	<para>Windows hosts / guests: fixed setting and using a guest user's process
2139	environment variables (relevant for Guest Control)</para>
2140	</listitem>
2141
2142	<listitem>
2143	<para>Windows Additions: fixed handle leaks in VBoxTray (bug #12563)</para>
2144	</listitem>
2145
2146	<listitem>
2147	<para>Windows Additions: fixed a crash while detecting active guest users</para>
2148	</listitem>
2149
2150	<listitem>
2151	<para>Windows Additions: fixed restoring backed up D3D files on
2152	XPDM -> WDDM upgrade</para>
2153	</listitem>
2154
2155	<listitem>
2156	<para>Guest Control: fixed setting and using a guest user's process
2157	environment variables</para>
2158	</listitem>
2159
2160	<listitem>
2161	<para>Linux Additions: support Enterprise Linux 6.5 kernels
2162	(bug #12505)</para>
2163	</listitem>
2164
2165	<listitem>
2166	<para>Linux Additions: fixed CPU hot-remove on newer Linux kernels</para>
2167	</listitem>
2168
2169	<listitem>
2170	<para>Linux / Solaris Additions: don't automount a shared folder which is already
2171	mounted</para>
2172	</listitem>
2173
2174	<listitem>
2175	<para>X11 Additions: support X.Org Server 1.15 (bug #12623)</para>
2176	</listitem>
2177
2178	</itemizedlist>
2179
2180	</sect1>
2181
2182	<sect1>
2183	<title>Version 4.3.6 (2013-12-18)</title>
2184
2185	<para>This is a maintenance release. The following items were fixed and/or
2186	added:</para>
2187
2188	<itemizedlist>
2189
2190	<listitem>
2191	<para>VMM: fixed a Guru Meditation <emphasis>VINF_EM_TRIPLE_FAULT</emphasis>
2192	caused by VMCB caching with nested paging on certain AMD CPUs (bug #12451)</para>
2193	</listitem>
2194
2195	<listitem>
2196	<para>VMM: fixed a Guru Meditation <emphasis>VERR_VMX_UNEXPECTED_INTERRUPTION_EXIT_TYPE</emphasis>
2197	while intercepting debug exceptions (VT-x only; bug #12410)</para>
2198	</listitem>
2199
2200	<listitem>
2201	<para>VMM: fixed a Guru Meditation <emphasis>VERR_SVM_UNEXPECTED_EXIT</emphasis>
2202	while intercepting debug register accesses (AMD-V only; bug #12481)</para>
2203	</listitem>
2204
2205	<listitem>
2206	<para>VMM: fixed a <emphasis>VERR_SSM_STRUCTURE_MAGIC</emphasis> error when trying
2207	to load a saved state made with VBox 4.3.4 when VT-x/AMD-V is disabled. Unfortunately,
2208	VBox 4.3.4 produced broken saved states for this configuration so you have to discard
2209	these states (bug #12414)</para>
2210	</listitem>
2211
2212	<listitem>
2213	<para>VMM: added a few more MSRs to the whitelist required by certain guests
2214	(bug #12245)</para>
2215	</listitem>
2216
2217	<listitem>
2218	<para>GUI: fixed deleting of inaccessible VMs (4.3 regression; bug
2219	#12205)</para>
2220	</listitem>
2221
2222	<listitem>
2223	<para>GUI: fixed warnings in VM settings / number of guest processors
2224	(bug #12480)</para>
2225	</listitem>
2226
2227	<listitem>
2228	<para>Main: don't automatically enable 64-bit guests on 64-bit hosts if
2229	VT-x/AMD-V is not available (bug #12424)</para>
2230	</listitem>
2231
2232	<listitem>
2233	<para>Main: always expose the DMI memory information to Windows 2012 guests
2234	(bug #12017)</para>
2235	</listitem>
2236
2237	<listitem>
2238	<para>Main: fixed occasional crashes on guest display resolution change
2239	(bug #7063)</para>
2240	</listitem>
2241
2242	<listitem>
2243	<para>Main: fixed reporting back temporary name when calling
2244	<emphasis>IGuestSession::DirectoryCreateTemp()</emphasis> (bug #12498)</para>
2245	</listitem>
2246
2247	<listitem>
2248	<para>API: fix for a hang when launching a GUI VM through the API, which crashes
2249	due to GUI unavailability</para>
2250	</listitem>
2251
2252	<listitem>
2253	<para>Storage: fix for <emphasis>BLKCACHE_IOERR</emphasis> runtime errors under
2254	rare circumstances (bug #11030)</para>
2255	</listitem>
2256
2257	<listitem>
2258	<para>Network: allow to start more than 5 PCNet instances (bug #12426)</para>
2259	</listitem>
2260
2261	<listitem>
2262	<para>E1000: if the cable was disconnected before the guest initialized
2263	the device, the link status was not properly set to 'down' after the
2264	initialization completed despite the fact that there was no connection</para>
2265	</listitem>
2266
2267	<listitem>
2268	<para>3D support: fixed offset of guest 3D image elements (Mac OS X Retina
2269	hosts only; bug #11021)</para>
2270	</listitem>
2271
2272	<listitem>
2273	<para>Solaris hosts: fixed accessing the host driver from non-global zones
2274	(4.3 regression; bug #12271)</para>
2275	</listitem>
2276
2277	</itemizedlist>
2278
2279	</sect1>
2280
2281	<sect1>
2282	<title>Version 4.3.4 (2013-11-29)</title>
2283
2284	<para>This is a maintenance release. The following items were fixed and/or
2285	added:</para>
2286
2287	<itemizedlist>
2288
2289	<listitem>
2290	<para>VMM: fix for a bug in the Local APIC emulation causing a BSOD when
2291	booting certain guests (4.3.0 regression; bug #12240)</para>
2292	</listitem>
2293
2294	<listitem>
2295	<para>VMM: fixed loading of saved states if VT-x/AMD-V was disabled
2296	(4.3.2 regression; bug #12291)</para>
2297	</listitem>
2298
2299	<listitem>
2300	<para>VMM: fixed single-stepping inside the guest for certain
2301	instructions (VT-x only; bug #10947)</para>
2302	</listitem>
2303
2304	<listitem>
2305	<para>VMM: fixed a performance issue involving APIC accesses after rebooting
2306	a VM (4.3.0 regression; VT-x only; bug #12296)</para>
2307	</listitem>
2308
2309	<listitem>
2310	<para>VMM: fixed TPR patching to be enabled for 32-bit guests even when
2311	the chosen guest type is 64-bit (4.3.0 regression; AMD-V only)</para>
2312	</listitem>
2313
2314	<listitem>
2315	<para>VMM: fixed occasional <emphasis>VINF_EM_TRIPLE_FAULT</emphasis> errors on
2316	hosts without the unrestricted guest execution feature (bug #12198)</para>
2317	</listitem>
2318
2319	<listitem>
2320	<para>GUI: don't bother the user with the BPP warning if no
2321	Guest Additions are installed</para>
2322	</listitem>
2323
2324	<listitem>
2325	<para>GUI: fixed machine-window paint artifacts on VM reboot / guest-screen
2326	resize</para>
2327	</listitem>
2328
2329	<listitem>
2330	<para>GUI: make sure the assigned license and description are attached to
2331	the exported appliance</para>
2332	</listitem>
2333
2334	<listitem>
2335	<para>GUI: fixed bugs in close VM action restrictions handling (bug #12333)</para>
2336	</listitem>
2337
2338	<listitem>
2339	<para>GUI: fixed incorrect wizards text colors for some unusual
2340	look and feel styles (bug #11743)</para>
2341	</listitem>
2342
2343	<listitem>
2344	<para>GUI: should restore seamless mode as soon as possible after
2345	VM reboot or shutdown</para>
2346	</listitem>
2347
2348	<listitem>
2349	<para>GUI: fixes for medium enumeration</para>
2350	</listitem>
2351
2352	<listitem>
2353	<para>GUI: the OS X hot corners were not accessible while a VirtualBox VM
2354	is running (Mac OS X hosts only; bug #4139)</para>
2355	</listitem>
2356
2357	<listitem>
2358	<para>GUI: fixed an old bug which bared the host from cleanly shutdown / reboot
2359	if the VM selector window is open (Mac OS X hosts only; bug #8254)</para>
2360	</listitem>
2361
2362	<listitem>
2363	<para>Host-only Networking: fixed creating of host-only network interfaces
2364	(4.3.0 regression; bug #12182)</para>
2365	</listitem>
2366
2367	<listitem>
2368	<para>NAT: don't run into an infinite loop in case the host cannot
2369	access any DNS server (4.3.0 regression; bug #12300)</para>
2370	</listitem>
2371
2372	<listitem>
2373	<para>NAT: don't re-connect the cable if the DNS information changes
2374	and the cable was disconnected before (4.3.0 regression; bug #12225)</para>
2375	</listitem>
2376
2377	<listitem>
2378	<para>NAT: fixed several issues with automatically starting /
2379	terminating of NAT networks on VM start / stop and configuration
2380	changes</para>
2381	</listitem>
2382
2383	<listitem>
2384	<para>VBoxNetDHCP: don't block prevent VBoxSVC from terminating
2385	(bug #12264)</para>
2386	</listitem>
2387
2388	<listitem>
2389	<para>2D Video acceleration: fix crashes on presentation mode switches
2390	(bug #9194)</para>
2391	</listitem>
2392
2393	<listitem>
2394	<para>BusLogic: allow to run VMs with more than one BusLogic SCSI
2395	controller enabled</para>
2396	</listitem>
2397
2398	<listitem>
2399	<para>Keyboard: fixed a VM crash if a VM was resumed from a saved state
2400	where at least one key was pressed (bug #11289)</para>
2401	</listitem>
2402
2403	<listitem>
2404	<para>VBoxSVC: fixed a heap corruption under certain conditions (4.3.0
2405	regression)</para>
2406	</listitem>
2407
2408	<listitem>
2409	<para>VBoxSVC: fixed a race leading to a hang during initialization
2410	(bug #12349)</para>
2411	</listitem>
2412
2413	<listitem>
2414	<para>OVF: fixed import logic for OVF appliances containing multiple
2415	VMs</para>
2416	</listitem>
2417
2418	<listitem>
2419	<para>OVF: improved logic for finding an appropriate image format
2420	during OVF import</para>
2421	</listitem>
2422
2423	<listitem>
2424	<para>API: block the removal of the current snapshot if it has child
2425	snapshots (only relevant for VMs without snapshottable hard disks,
2426	their presence always prevented removal), which resulted in VM
2427	config corruption</para>
2428	</listitem>
2429
2430	<listitem>
2431	<para>API: mark VM configs with snapshots but without current snapshot
2432	as inaccessible, as this combination is nonsense</para>
2433	</listitem>
2434
2435	<listitem>
2436	<para>API: fixed information for some automatically generated events
2437	(only with XPCOM, Windows host was not affected), which caused
2438	errors when getting some of the attributes over the webservice
2439	(bug #12379)</para>
2440	</listitem>
2441
2442	<listitem>
2443	<para>SDK: extended the functionality coverage for the C bindings</para>
2444	</listitem>
2445
2446	<listitem>
2447	<para>Guest Control: various bugfixes and improved VBoxManage help
2448	(bugs #8072, #11044, #12336, #12338, #12346, #12371)</para>
2449	</listitem>
2450
2451	<listitem>
2452	<para>Windows hosts: another attempt to fix the massive DPC latency
2453	(bug #6242)</para>
2454	</listitem>
2455
2456	<listitem>
2457	<para>Windows host installer: make registering file extensions optional,
2458	contributed by Tal Aloni (bug #8009)</para>
2459	</listitem>
2460
2461	<listitem>
2462	<para>Mac OS X hosts: properly sign the kernel extensions for Mavericks
2463	hosts (bug #12256)</para>
2464	</listitem>
2465
2466	<listitem>
2467	<para>Mac OS X hosts: fixed a bug where the VirtualBox dock icon was
2468	not properly removed from the dock after a VM terminated preventing
2469	Mavericks hosts from shutting down (bug #12241)</para>
2470	</listitem>
2471
2472	<listitem>
2473	<para>Mac OS X hosts: fixed minor installer issue (bug #12275)</para>
2474	</listitem>
2475
2476	<listitem>
2477	<para>Linux hosts / guests: Linux 3.13 compile fixes (bug #12358)</para>
2478	</listitem>
2479
2480	<listitem>
2481	<para>Linux guests: build the vboxvideo kernel module correctly on
2482	OL/RHEL 6.1 guests (bug #11996)</para>
2483	</listitem>
2484
2485	<listitem>
2486	<para>Linux guests: make 3D work on Slackware 14.1
2487	(bug #12320 comments 3 and 4)</para>
2488	</listitem>
2489
2490	<listitem>
2491	<para>Guest Additions/3D: fixed an occasional dead-lock (bug #12319)</para>
2492	</listitem>
2493
2494	<listitem>
2495	<para>Windows Additions/3D: fixed possible memory leaking (bug #12228)</para>
2496	</listitem>
2497
2498	<listitem>
2499	<para>Windows Additions/XPDM: use separate tables containing valid video
2500	modes for each virtual monitor</para>
2501	</listitem>
2502
2503	<listitem>
2504	<para>Windows Additions: fixed automatic logins for Vista and newer Windows
2505	guests (bug #12332)</para>
2506	</listitem>
2507
2508	</itemizedlist>
2509	</sect1>
2510
2511	<sect1>
2512	<title>Version 4.3.2 (2013-11-01)</title>
2513
2514	<para>This is a maintenance release. The following items were fixed and/or
2515	added:</para>
2516
2517	<itemizedlist>
2518
2519	<listitem>
2520	<para>VMM: fixed restoring of the auxiliary TSC MSR in VT-x that caused host
2521	BSODs on Windows 8.1 hosts and unpredictable behavior on other hosts
2522	(bug #12237)</para>
2523	</listitem>
2524
2525	<listitem>
2526	<para>VMM: provide fake values for a couple of MSRs to make more guests happy on
2527	certain hosts</para>
2528	</listitem>
2529
2530	<listitem>
2531	<para>VMM: fixed detection of VT-x on certain machines where the BIOS would
2532	not set the VMX LOCK feature bit, which affected the VM settings in the GUI</para>
2533	</listitem>
2534
2535	<listitem>
2536	<para>VMM: fixed TPR threshold which caused BSODs on Windows XP guests
2537	that use the I/O APIC (VT-x only; bug #12227)</para>
2538	</listitem>
2539
2540	<listitem>
2541	<para>VMM: fixed PATM saved state incompatibility for software virtualized
2542	VMs (bug #12222)</para>
2543	</listitem>
2544
2545	<listitem>
2546	<para>VMM: don't fail if AMD-V isn't available if the VM is configured
2547	to use software virtualization</para>
2548	</listitem>
2549
2550	<listitem>
2551	<para>GUI: fixed guest resize breakage on visual representation mode change
2552	(when switching from normal to full screen etc)</para>
2553	</listitem>
2554
2555	<listitem>
2556	<para>GUI: make sure the guest screen is resized after restoring a VM from a
2557	saved state if the host screen size changed</para>
2558	</listitem>
2559
2560	<listitem>
2561	<para>GUI: disabled SCROLL LED sync from HID LEDs synchronization
2562	(Mac OS X hosts only)</para>
2563	</listitem>
2564
2565	<listitem>
2566	<para>Webcam passthrough improvements including GUI support (see
2567	<xref linkend="webcam-passthrough" />)</para>
2568	</listitem>
2569
2570	<listitem>
2571	<para>Guest Control: implemented more <computeroutput>IGuestSession</computeroutput>
2572	methods</para>
2573	</listitem>
2574
2575	<listitem>
2576	<para>Guest Control: added support for deleting and renaming guest files + directories in
2577	VBoxManage</para>
2578	</listitem>
2579
2580	<listitem>
2581	<para>Guest Control: various bugfixes</para>
2582	</listitem>
2583
2584	<listitem>
2585	<para>API: incorrect handling of hardware UUID default value, resulting
2586	in an all zero DMI/SMBIOS UUID, which leads to Windows requesting
2587	re-activation (4.3 regression; bug #12244)</para>
2588	</listitem>
2589
2590	<listitem>
2591	<para>3D support: fixed crash on shutdown if 2D video acceleration is enabled
2592	(Mac OS X hosts only)</para>
2593	</listitem>
2594
2595	<listitem>
2596	<para>3D support: miscellaneous fixes</para>
2597	</listitem>
2598
2599	<listitem>
2600	<para>Storage: fixed detection of CD/DVD media when switching from an empty
2601	to a host drive with passthrough enabled</para>
2602	</listitem>
2603
2604	<listitem>
2605	<para>Storage: fixed hang of the VM process when the disk is full under certain
2606	circumstances</para>
2607	</listitem>
2608
2609	<listitem>
2610	<para>NAT: listen for changes of NAT Network setting at runtime</para>
2611	</listitem>
2612
2613	<listitem>
2614	<para>NAT: NAT Network DHCP server now saves leases to a persistent
2615	storage</para>
2616	</listitem>
2617
2618	<listitem>
2619	<para>Main: monitor changes in host DNS configuration</para>
2620	</listitem>
2621
2622	<listitem>
2623	<para>Mac OS X host: reworked a mechanism of adding a VM desktop alias
2624	from the VM selector</para>
2625	</listitem>
2626
2627	<listitem>
2628	<para>Mac OS X installer: remove old kernel extensions during upgrade
2629	(bug #12258)</para>
2630	</listitem>
2631
2632	<listitem>
2633	<para>Linux Additions: correctly set umask before installing
2634	(bug #12166)</para>
2635	</listitem>
2636
2637	<listitem>
2638	<para>X11 Additions/3D: fix freezes starting 3D desktop (bug #11503,
2639	thank you Sam Spilsbury)</para>
2640	</listitem>
2641
2642	<listitem>
2643	<para>X11 Additions/3D: fix depth buffer support (bug #11905)</para>
2644	</listitem>
2645
2646	<listitem>
2647	<para>X11 Additions/3D: fix Age Of Empires 3 rendering (bug #11331)</para>
2648	</listitem>
2649
2650	<listitem>
2651	<para>Windows Additions/3D: fix Google Earth plugin rendering</para>
2652	</listitem>
2653
2654	<listitem>
2655	<para>Windows Additions/WDDM: autoresize fixes</para>
2656	</listitem>
2657
2658	</itemizedlist>
2659	</sect1>
2660
2661	<sect1>
2662	<title>Version 4.3.0 (2013-10-15)</title>
2663
2664	<para>This is a major update. The following major new features
2665	were added:</para>
2666
2667	<itemizedlist>
2668
2669	<listitem>
2670	<para>VMM: major rewrite of the VT-x code and the AMD-V code including
2671	many bug fixes and performance improvements (for example bug #9659)</para>
2672	</listitem>
2673
2674	<listitem>
2675	<para>VMM: introduced a lightweight instruction interpreter for
2676	situations not handled by hardware virtualization</para>
2677	</listitem>
2678
2679	<listitem>
2680	<para>GUI: extended messaging mechanism (new non-modal popup overlays
2681	used to show non-critical warnings and provide user with additional information)</para>
2682	</listitem>
2683
2684	<listitem>
2685	<para>GUI: keyboard shortcuts management (input page of global preferences
2686	extended with possibility to edit general keyboard shortcuts for
2687	VirtualBox Manager and Virtual Machine)</para>
2688	</listitem>
2689
2690	<listitem>
2691	<para>GUI: video capturing support (bug #4766)</para>
2692	</listitem>
2693
2694	<listitem>
2695	<para>Added USB touch device emulation</para>
2696	</listitem>
2697
2698	<listitem>
2699	<para>Added experimental support for webcam passthrough
2700	complementing USB passthrough (see <xref linkend="webcam-passthrough" />)</para>
2701	</listitem>
2702
2703	<listitem>
2704	<para>Added SCSI CD-ROM emulation, including boot support</para>
2705	</listitem>
2706
2707	<listitem>
2708	<para>VRDP: support for IPv6</para>
2709	</listitem>
2710
2711	<listitem>
2712	<para>Guest Control: guest sessions now are running in dedicated, impersonated
2713	session processes (needs at least Guest Additions 4.3 installed)</para>
2714	</listitem>
2715
2716	<listitem>
2717	<para>Guest Control: implemented <computeroutput>IGuestFile</computeroutput>
2718	support</para>
2719	</listitem>
2720
2721	<listitem>
2722	<para>NAT: experimental virtual router mode: several VMs are
2723	attached to the same internal network and share one NAT
2724	service (see <xref linkend="network_nat_service" />)
2725	</para>
2726	</listitem>
2727
2728	</itemizedlist>
2729
2730	<para>In addition, the following items were fixed and/or added:</para>
2731
2732	<itemizedlist>
2733
2734	<listitem>
2735	<para>VMM: significantly improved performance of NetWare 5.x/6.x
2736	guests on host systems without nested paging support</para>
2737	</listitem>
2738
2739	<listitem>
2740	<para>VMM: fixed losing host NMIs while in VT-x guest-context</para>
2741	</listitem>
2742
2743	<listitem>
2744	<para>VMM: changed order of actions in emulated task switch
2745	(bug #10532)</para>
2746	</listitem>
2747
2748	<listitem>
2749	<para>VMM: allow to activate VT-x while in SMX mode and provide more
2750	information if that is not possible</para>
2751	</listitem>
2752
2753	<listitem>
2754	<para>GUI: update check uses https</para>
2755	</listitem>
2756
2757	<listitem>
2758	<para>GUI: numerous minor internal cleanups and bug fixes</para>
2759	</listitem>
2760
2761	<listitem>
2762	<para>GUI: HID LEDs synchronization when switching between guest window(s)
2763	and host (Mac OS X hosts only)</para>
2764	</listitem>
2765
2766	<listitem>
2767	<para>GUI, VBoxManage: when unregistering a VM, also unregister the
2768	hard disk images which are used exclusively (bug #10311)</para>
2769	</listitem>
2770
2771	<listitem>
2772	<para>GUI: use the number of physical presented processor cores instead of
2773	the number of logical processor cores to check if the users assigned
2774	too many virtual CPUs to the guest</para>
2775	</listitem>
2776
2777	<listitem>
2778	<para>Snapshots: made live snapshots work again (bug #9255)</para>
2779	</listitem>
2780
2781	<listitem>
2782	<para>Teleportation: made it work again (bug #9455)</para>
2783	</listitem>
2784
2785	<listitem>
2786	<para>Storage: implemented AHA-154x compatibility mode in the
2787	emulated BusLogic SCSI HBA</para>
2788	</listitem>
2789
2790	<listitem>
2791	<para>Storage: significantly improved performance of large ATAPI PIO
2792	transfers (BeOS, Minix 3 guests affected)</para>
2793	</listitem>
2794
2795	<listitem>
2796	<para>Storage: added floppy formatting emulation (NB: cannot be used
2797	to change existing media geometry)
2798	</para>
2799	</listitem>
2800
2801	<listitem>
2802	<para>Settings: global and per-VM default frontend configuration,
2803	useful to select the use of alternative VM frontends</para>
2804	</listitem>
2805
2806	<listitem>
2807	<para>Settings: limit depth of snapshot tree to 250 levels, as more
2808	will lead to decreased performance and may trigger crashes</para>
2809	</listitem>
2810
2811	<listitem>
2812	<para>Settings: the per-VM hwvirtextexcl setting has been replaced
2813	by a global hwvirtexclusive property</para>
2814	</listitem>
2815
2816	<listitem>
2817	<para>Main: new event queue implementation which does not use the host's
2818	native event queue for processing VirtualBox events anymore</para>
2819	</listitem>
2820
2821	<listitem>
2822	<para>Main: eliminate the use of SysV semaphores on all host OSes
2823	other than Windows, namely Linux, Solaris and Mac OS X, with the
2824	consequence that no system reconfiguration is needed to run more
2825	than approximately 100 VMs</para>
2826	</listitem>
2827
2828	<listitem>
2829	<para>Main: use the XDG standard configuration folder instead of
2830	.VirtualBox on systems where it is appropriate (bug #5099)</para>
2831	</listitem>
2832
2833	<listitem>
2834	<para>Main: extension pack framework can now support loading HGCM
2835	modules, contributed by Jeff Westphal</para>
2836	</listitem>
2837
2838	<listitem>
2839	<para>VBoxManage: list more information about hard disk/DVD/floppy
2840	media, and support the <computeroutput>--long</computeroutput>
2841	option to show really all available details</para>
2842	</listitem>
2843
2844	<listitem>
2845	<para>VBoxManage: added support for optional command line parameters for
2846	the automatic Guest Additions update</para>
2847	</listitem>
2848
2849	<listitem>
2850	<para>VBoxManage: added support for listing active guest sessions, guest
2851	processes and/or guest files via
2852	<computeroutput>guestcontrol list <all\|sessions\|processes\|files></computeroutput>
2853	</para>
2854	</listitem>
2855
2856	<listitem>
2857	<para>VBoxManage: added support for closing active guest sessions via
2858	<computeroutput>guestcontrol session close --session-id <ID>\|
2859	--session-name <name or pattern>\|--all</computeroutput>
2860	</para>
2861	</listitem>
2862
2863	<listitem>
2864	<para>VBoxManage: added support for terminating active guest processes via
2865	<computeroutput>guestcontrol process kill\|close\|terminate --session-id <ID>\|
2866	--session-name <name or pattern> <PID> ... <PID n></computeroutput>
2867	or
2868	<computeroutput>guestcontrol [p[s]]kill --session-id <ID>\|
2869	--session-name <name or pattern> <PID> ... <PID n></computeroutput>
2870	</para>
2871	</listitem>
2872
2873	<listitem>
2874	<para>VBoxManage: added support for watching guest sessions via
2875	<computeroutput>guestcontrol watch</computeroutput>
2876	</para>
2877	</listitem>
2878
2879	<listitem>
2880	<para>VBoxManage: added <computeroutput>modifyvm --triplefaultreset</computeroutput>
2881	to make the VM reset on triple fault instead of triggering a Guru Meditation
2882	(see <xref linkend="vboxmanage-modifyvm"/>)</para>
2883	</listitem>
2884
2885	<listitem>
2886	<para>3D support: several fixes</para>
2887	</listitem>
2888
2889	<listitem>
2890	<para>3D support: several fixes for Mac OS X hosts</para>
2891	</listitem>
2892
2893	<listitem>
2894	<para>OVF: several fixes</para>
2895	</listitem>
2896
2897	<listitem>
2898	<para>Extpack Installer: make it work if the file is located in a folder with
2899	special characters</para>
2900	</listitem>
2901
2902	<listitem>
2903	<para>Keyboard: fix for reporting key sequences like Ctrl+Alt+Del
2904	for the USB keyboard emulation</para>
2905	</listitem>
2906
2907	<listitem>
2908	<para>Shared Clipboard/X11: support for BMP-format images, contributed
2909	by François Revol</para>
2910	</listitem>
2911
2912	<listitem>
2913	<para>Mac OS X hosts: limited support for Mac OS X 10.9 (Mavericks)</para>
2914	</listitem>
2915
2916	<listitem>
2917	<para>Mac OS X hosts: use a launchd script instead of the deprecated
2918	StartupItem mechanism (bug #8940)</para>
2919	</listitem>
2920
2921	<listitem>
2922	<para>Windows hosts: don't cause massive DPC latency (only on certain
2923	hosts; still needs improving; bug #6242)</para>
2924	</listitem>
2925
2926	<listitem>
2927	<para>Windows hosts: consider symlinks when retrieving volume information
2928	(bug #11962)</para>
2929	</listitem>
2930
2931	<listitem>
2932	<para>Windows hosts: fixed an issue with USB2 devices being inaccessible
2933	when plugged into USB 3.0 ports</para>
2934	</listitem>
2935
2936	<listitem>
2937	<para>Windows Additions: fixed misbehavior with guest display
2938	power management (WDDM driver only; bug #11170)</para>
2939	</listitem>
2940
2941	<listitem>
2942	<para>Windows Additions: fixed memory leak caused by WTSQuerySessionInformation()
2943	on Windows 2000 guests (bug #12072)</para>
2944	</listitem>
2945
2946	<listitem>
2947	<para>Windows Additions: ability to track guest user idle times through
2948	the newly introduced event <emphasis>IGuestUserStateChangedEvent</emphasis></para>
2949	</listitem>
2950
2951	<listitem>
2952	<para>Linux Additions: fixed udev detection in the init script
2953	with Linux 3.x kernels</para>
2954	</listitem>
2955
2956	</itemizedlist>
2957
2958	</sect1>
2959
2960	</chapter>

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