user_ChangeLogImpl.xml@ 56672

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5.0.0 RC2
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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 5.0.0 Release Candidate 2 (2015-06-25)</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>Paravirtualization support for Windows and Linux guests to improve
15	time-keeping accuracy and performance (see <xref linkend="gimproviders" />)</para>
16	</listitem>
17
18	<listitem>
19	<para>Make more instruction set extensions available to the guest when
20	running with hardware-assisted virtualization and nested paging. Among
21	others this includes: SSE 4.1, SSE4.2, AVX, AVX-2, AES-NI,
22	<emphasis>POPCNT</emphasis>, <emphasis>RDRAND</emphasis> and
23	<emphasis>RDSEED</emphasis></para>
24	</listitem>
25
26	<listitem>
27	<para>xHCI Controller to support USB 3 devices
28	(see <xref linkend="settings-usb" />)</para>
29	</listitem>
30
31	<listitem>
32	<para>Drag and drop support (bidirectional) for Windows, Linux and Solaris guests</para>
33	</listitem>
34
35	<listitem>
36	<para>Disk image encryption (see <xref linkend="diskencryption" />)</para>
37	</listitem>
38
39	<listitem>
40	<para>VMs can now be started in <emphasis>separate mode</emphasis>. The VM
41	process is started headless while the frontend runs as a separate process
42	which can be terminated without stopping the VM.</para>
43	</listitem>
44
45	<listitem>
46	<para>GUI: VM guest-content scaling support (including 3D acceleration)</para>
47	</listitem>
48
49	<listitem>
50	<para>GUI: New User Interface settings page for customizing status-bar,
51	menu-bar and guest-content scaling</para>
52	</listitem>
53
54	<listitem>
55	<para>GUI: New Encryption settings tab for customizing encryption options for
56	disk images</para>
57	</listitem>
58
59	<listitem>
60	<para>GUI: HiDPI support including application icons and optional unscaled HiDPI
61	output on Mac OS X (including 3D acceleration)</para>
62	</listitem>
63
64	<listitem>
65	<para>GUI: Hotplugging support for SATA disks</para>
66	</listitem>
67
68	<listitem>
69	<para>New, modular audio architecture for providing a better abstraction of the host
70	audio backends</para>
71	</listitem>
72
73	<listitem>
74	<para>Support for the NDIS6 networking framework on Windows (default on Vista
75	and later)</para>
76	</listitem>
77
78	</itemizedlist>
79
80	<para>In addition, the following items were fixed and/or added:</para>
81
82	<itemizedlist>
83
84	<listitem>
85	<para>VMM: improved timing on Solaris hosts with older VT-x hosts
86	without preemption timers</para>
87	</listitem>
88
89	<listitem>
90	<para>VMM: further improvements for TSC frequency measurements and
91	guest timekeeping</para>
92	</listitem>
93
94	<listitem>
95	<para>VMM: debug facility now includes includes the guest CPU's
96	FPU/SSE/extended state in the core dump</para>
97	</listitem>
98
99	<listitem>
100	<para>GUI: improved HID LEDs synchronization for Mac and Windows hosts.
101	The physical LEDs state now restored together with the VM state.</para>
102	</listitem>
103
104	<listitem>
105	<para>GUI: take the guest screen aspect ratio into account for the
106	preview window</para>
107	</listitem>
108
109	<listitem>
110	<para>GUI: provide direct access to storage media in the VM selector</para>
111	</listitem>
112
113	<listitem>
114	<para>VBoxManage: when exporting an appliance, support the suppression
115	of MAC addresses, which means they will be always recreated on
116	import, avoiding duplicate MAC addresses for VMs which are imported
117	several times</para>
118	</listitem>
119
120	<listitem>
121	<para>Guest Control: major overhaul, for example fixing wrong parameter quoting
122	(bug #13157)</para>
123	</listitem>
124
125	<listitem>
126	<para>USB: added USB traffic capturing (see <xref linkend="usbtrafficcapturing" />)</para>
127	</listitem>
128
129	<listitem>
130	<para>Made resizing X11 guests work more reliably</para>
131	</listitem>
132
133	<listitem>
134	<para>API: block the removal of the current snapshot if it has child
135	snapshots (only relevant for VMs without snapshottable hard disks,
136	their presence always prevented removal), which resulted in VM
137	config corruption</para>
138	</listitem>
139
140	<listitem>
141	<para>API: mark VM configs with snapshots but without current snapshot
142	as inaccessible, as this combination is nonsense</para>
143	</listitem>
144
145	<listitem>
146	<para>API: fix information for some automatically generated events
147	(only with XPCOM, Windows host was not affected), which caused
148	errors when getting some of the attributes over the webservice
149	(bug #12379)</para>
150	</listitem>
151
152	<listitem>
153	<para>API: fix crashes in Java API clients using the XPCOM binding,
154	happened with output parameters only (bug #11232)</para>
155	</listitem>
156
157	<listitem>
158	<para>API: a number of settings (e.g. network settings) can now also
159	be changed when the VM is in saved state</para>
160	</listitem>
161
162	<listitem>
163	<para>API: fixed incorrect resuming of VMs on host-resume unless they were
164	previously paused due to a host-suspend</para>
165	</listitem>
166
167	<listitem>
168	<para>Main/Properties: properly drop transient guest properties when
169	the VM is powered off</para>
170	</listitem>
171
172	<listitem>
173	<para>3D: fix potential race in which might cause a crash on VM
174	termination</para>
175	</listitem>
176
177	<listitem>
178	<para>3D: fixed a possible memory leak in the host service</para>
179	</listitem>
180
181	<listitem>
182	<para>Serial: new TCP/IP backend (see <xref linkend="serialports"/>)</para>
183	</listitem>
184
185	<listitem>
186	<para>Storage: added USB mass storage device class
187	(see <xref linkend="harddiskcontrollers"/>)</para>
188	</listitem>
189
190	<listitem>
191	<para>Storage: added vbox-img standalone tool for direct manipulation
192	of virtual hard disk images without VBoxManage</para>
193	</listitem>
194
195	<listitem>
196	<para>ICH9: fixed the interrupt disable logic for MSI interrupts; should
197	fix old Linux guests with AHCI</para>
198	</listitem>
199
200	<listitem>
201	<para>BIOS: fix for booting from SCSI CD/DVD media</para>
202	</listitem>
203
204	<listitem>
205	<para>BIOS: fix for reads partially beyond end of disk (bug #14021)</para>
206	</listitem>
207
208	<listitem>
209	<para>VRDP: fixed listening for IPv6 on some systems (bug #14038)</para>
210	</listitem>
211
212	<listitem>
213	<para>rdesktop-vrdp: upgraded to version 1.8.3</para>
214	</listitem>
215
216	<listitem>
217	<para>Guest Additions: added a heartbeat service
218	(see <xref linkend="heartbeatservice" />)</para>
219	</listitem>
220
221	<listitem>
222	<para>Windows Additions/WDDM: improved video memory utilization and
223	allow more/bigger guest screens with large resolutions (including HiDPI)
224	</para>
225	</listitem>
226
227	</itemizedlist>
228
229	</sect1>
230
231	<sect1>
232	<title>Version 4.3.28 (2015-05-13)</title>
233
234	<para>This is a maintenance release. The following items were fixed and/or
235	added:</para>
236
237	<itemizedlist>
238
239	<listitem>
240	<para>VMM: fixed a Guru Meditation when rebooting certain guests (for
241	example Solaris doing fast reboot) by fixing the implementation for INIT IPI</para>
242	</listitem>
243
244	<listitem>
245	<para>VMM: added some information for diagnosing rare
246	<emphasis>VERR_VMX_INVALID_VMXON_PTR</emphasis> Guru Meditations (VT-x only)</para>
247	</listitem>
248
249	<listitem>
250	<para>GUI: HID LEDs sync: prevent synchronization if VM window has no focus
251	(Windows and Mac OS X hosts only)</para>
252	</listitem>
253
254	<listitem>
255	<para>GUI: fixed drag and drop moving the cursor between guest screens on
256	certain hosts</para>
257	</listitem>
258
259	<listitem>
260	<para>3D: fixed a crash on restoring the VM state on X11 hosts (bug #12737)</para>
261	</listitem>
262
263	<listitem>
264	<para>3D: fixed a crash on restoring the VM state</para>
265	</listitem>
266
267	<listitem>
268	<para>3D: fixed a crash on Linux guest shutdown (bug #12772)</para>
269	</listitem>
270
271	<listitem>
272	<para>VRDP: fixed incompatibility with rdesktop 1.8.3</para>
273	</listitem>
274
275	<listitem>
276	<para>VRDP: fixed listening for IPv6 on some systems (bug #14038)</para>
277	</listitem>
278
279	<listitem>
280	<para>Storage: don't crash if creating an asynchronous I/O context
281	fails (e.g. when starting many VMs) and show a proper error message</para>
282	</listitem>
283
284	<listitem>
285	<para>Floppy: several fixes</para>
286	</listitem>
287
288	<listitem>
289	<para>Audio: improved the behavior of the volume control for the
290	HD audio device emulation</para>
291	</listitem>
292
293	<listitem>
294	<para>USB: increase the number of supported drivers from 3 to 5
295	(Windows hosts only)</para>
296	</listitem>
297
298	<listitem>
299	<para>PS/2 keyboard: synchronize the LED state on VM restore
300	(Windows and Mac OS X hosts only)</para>
301	</listitem>
302
303	<listitem>
304	<para>NAT Network: when running multiple NAT networks with multiple VMs,
305	only stop the respective services when stopping VMs (bug #14090)</para>
306	</listitem>
307
308	<listitem>
309	<para>NAT: don't kill UDP bindings on ICMP errors (bug #13475)</para>
310	</listitem>
311
312	<listitem>
313	<para>NAT: bandwidth limit now works properly with NAT (bug #11485)</para>
314	</listitem>
315
316	<listitem>
317	<para>BIOS: fixed the returned size value of the VBE 2.0 PMI function 0Ah
318	(4.2.0 regression; bug #14096)</para>
319	</listitem>
320
321	<listitem>
322	<para>Guest Control: fixed parameter quoting in Windows guests
323	(bug #13157)</para>
324	</listitem>
325
326	<listitem>
327	<para>Webcam passthrough improvements for Linux (V4L2) hosts to support more
328	webcam models</para>
329	</listitem>
330
331	<listitem>
332	<para>API: don't fail starting a VM with <emphasis>VBOX_E_INVALID_OBJECT_STATE</emphasis>
333	under certain conditions (bug #13617)</para>
334	</listitem>
335
336	<listitem>
337	<para>API: be more verbose on <emphasis>VBOX_E_INVALID_OBJECT_STATE</emphasis>
338	if a medium is attached to a running VM (bug #13560)</para>
339	</listitem>
340
341	<listitem>
342	<para>API: fixed a bug which could result in losing certain screen resize
343	events with multi-monitor guests</para>
344	</listitem>
345
346	<listitem>
347	<para>rdesktop-vrdp: fixed path to the keymaps (bug #12066)</para>
348	</listitem>
349
350	<listitem>
351	<para>rdesktop-vrdp: switch to version 1.8.3</para>
352	</listitem>
353
354	<listitem>
355	<para>Windows hosts: more hardening fixes (e.g. bugs #14051, #14052)</para>
356	</listitem>
357
358	<listitem>
359	<para>Linux hosts: another fix for activated SMAP on Linux 3.19
360	and newer (Broadwell and later; bug #13961)</para>
361	</listitem>
362
363	<listitem>
364	<para>Linux hosts: Linux 4.1 compile fix (bug #14081)</para>
365	</listitem>
366
367	<listitem>
368	<para>Solaris hosts: fixed using of VNIC templates with Crossbow based
369	bridged networking to be compatible with vanity interface names</para>
370	</listitem>
371
372	<listitem>
373	<para>Mac OS X hosts: fixed crash during VM termination under rare
374	circumstances</para>
375	</listitem>
376
377	<listitem>
378	<para>Windows Additions/WDDM: improved video memory utilization and allow
379	more/bigger guest screens with large resolutions (including HiDPI)</para>
380	</listitem>
381
382	<listitem>
383	<para>X11 Additions: prevent flickering when updating mouse cursor</para>
384	</listitem>
385
386	<listitem>
387	<para>Solaris Additions: fixed incorrect usage of 'prtconf' while
388	installing Guest Additions (Solaris 10 only)</para>
389	</listitem>
390
391	</itemizedlist>
392	</sect1>
393
394	<sect1>
395	<title>Version 4.3.26 (2015-03-16)</title>
396
397	<para>This is a maintenance release. The following items were fixed and/or
398	added:</para>
399
400	<itemizedlist>
401
402	<listitem>
403	<para>GUI: in the snapshots pane, protect the age of snapshots against
404	wrong host time (bug #13955)</para>
405	</listitem>
406
407	<listitem>
408	<para>NAT Network: fixed a bug which prevented to propagate any DNS
409	name server / domain / search string information to the NAT network
410	(4.3.24 regression; bugs #13915, #13918)</para>
411	</listitem>
412
413	<listitem>
414	<para>NAT Network: don't delay the shutdown of VBoxSVC on
415	Windows hosts</para>
416	</listitem>
417
418	<listitem>
419	<para>Mouse support: the mouse could not be moved under rare
420	conditions if no Guest Additions are installed (4.3.24 regression;
421	bug #13935)</para>
422	</listitem>
423
424	<listitem>
425	<para>Storage: if the guest ejects a virtual CD/DVD medium, make the
426	change permanent (bugs #9858, #12885)</para>
427	</listitem>
428
429	<listitem>
430	<para>VGA: made saving secondary screen sizes possible in X11 guests</para>
431	</listitem>
432
433	<listitem>
434	<para>SDK: fixed the VirtualBox.tlb file (4.3.20 regression; bug #13943)</para>
435	</listitem>
436
437	<listitem>
438	<para>rdesktop-vrdp: make it work with USB devices again
439	(4.3.14 regression; bug #13901)</para>
440	</listitem>
441
442	<listitem>
443	<para>USB: fixed a possible BSOD on Windows hosts under rare conditions</para>
444	</listitem>
445
446	<listitem>
447	<para>iPXE: enable the HTTP download protocol on non-Linux hosts (bug #13628)</para>
448	</listitem>
449
450	<listitem>
451	<para>Mac OS X hosts: don't panic on hosts with activated SMAP (Broadwell
452	and later; bug #13951)</para>
453	</listitem>
454
455	<listitem>
456	<para>Linux hosts: don't crash Linux 4.0 hosts (bug #13835)</para>
457	</listitem>
458
459	</itemizedlist>
460	</sect1>
461
462	<sect1>
463	<title>Version 4.3.24 (2015-03-02)</title>
464
465	<para>This is a maintenance release. The following items were fixed and/or
466	added:</para>
467
468	<itemizedlist>
469
470	<listitem>
471	<para>VMM: emulation fix for the <emphasis>ENTER</emphasis> instruction
472	under certain conditions; fixes Solaris 10 guests (VT-x without
473	unrestricted guest execution)</para>
474	</listitem>
475
476	<listitem>
477	<para>VMM: fix for handling NMIs on Linux hosts with X2APIC enabled</para>
478	</listitem>
479
480	<listitem>
481	<para>NAT/NAT Network: fix connection drops when the host's DHCP lease
482	was renewed (4.3.22 regression; Windows hosts only; bug #13839)</para>
483	</listitem>
484
485	<listitem>
486	<para>NAT: don't crash on an empty domain list when switching the
487	DNS host configuration (4.3.22 regression; Mac OS X hosts only;
488	bug #13874)</para>
489	</listitem>
490
491	<listitem>
492	<para>PXE: re-enable it on Windows hosts (4.3.22 regression; Windows hosts
493	only; bug #13842)
494	</para>
495	</listitem>
496
497	<listitem>
498	<para>Shared Folders: fixed a problem with Windows guests (4.3.22 regression;
499	bug #13786)</para>
500	</listitem>
501
502	<listitem>
503	<para>Audio: improved record quality when using the DirectSound audio
504	backend</para>
505	</listitem>
506
507	<listitem>
508	<para>VBoxManage: when executing the <emphasis>controlvm</emphasis> command
509	take care that the corresponding VM runtime changes are saved permanently
510	(bug #13892)</para>
511	</listitem>
512
513	<listitem>
514	<para>Windows Installer: properly install the 32-bit version of VBoxRes.dll
515	on 32-bit hosts (bug #13876)</para>
516	</listitem>
517
518	<listitem>
519	<para>Linux hosts / guests: Linux 4.0 fixes (bug #13835)</para>
520	</listitem>
521
522	<listitem>
523	<para>OS/2 Additions: fixed mouse integration (4.3.22 regression;
524	bug #13825)</para>
525	</listitem>
526
527	</itemizedlist>
528	</sect1>
529
530	<sect1>
531	<title>Version 4.3.22 (2015-02-12)</title>
532
533	<para>This is a maintenance release. The following items were fixed and/or
534	added:</para>
535
536	<itemizedlist>
537
538	<listitem>
539	<para>VMM: refined measurement of TSC frequency on the host, improves
540	timekeeping for guests</para>
541	</listitem>
542
543	<listitem>
544	<para>VMM: decreased CPU load resulting from guest MMIO writes to the
545	virtual APIC</para>
546	</listitem>
547
548	<listitem>
549	<para>VMM: fixed interception of debug exceptions, observed while using
550	the dbx debugger on Solaris guests (VT-x only)</para>
551	</listitem>
552
553	<listitem>
554	<para>GUI: 3D overlay window positioning code improved, fixed potential
555	misplacement of 3D accelerated guest graphics content</para>
556	</listitem>
557
558	<listitem>
559	<para>GUI: fixed accident SSL authentication failures during update
560	check on Windows hosts (bug #12969)</para>
561	</listitem>
562
563	<listitem>
564	<para>GUI: never send the "ACPI power" keyboard scancode to the guest,
565	we have the ACPI power button for that</para>
566	</listitem>
567
568	<listitem>
569	<para>GUI: was unable to properly restore seamless mode VM from
570	snapshot/saved-state under some circumstances</para>
571	</listitem>
572
573	<listitem>
574	<para>VBoxHeadless: don't crash if 3D is enabled in the VM settings
575	(bug #10250)</para>
576	</listitem>
577
578	<listitem>
579	<para>ATA: fixed several passthrough issues (bugs #12310, #1360)</para>
580	</listitem>
581
582	<listitem>
583	<para>Audio: fixed DirectSound failure when the the host has no audio
584	input device (Windows hosts only; bug #9205)</para>
585	</listitem>
586
587	<listitem>
588	<para>SB16: fixed compatibility issue (bug #13769)</para>
589	</listitem>
590
591	<listitem>
592	<para>Storage: fixed broken CD/DVD passthrough when using the
593	IDE controller (bug #12310)</para>
594	</listitem>
595
596	<listitem>
597	<para>NAT: new ping proxy for Windows hosts (bug #11871)</para>
598	</listitem>
599
600	<listitem>
601	<para>NAT: Properly report outbound connect(2) failures to
602	guest with TCP RST or ICMP (bug #10525)</para>
603	</listitem>
604
605	<listitem>
606	<para>NAT Network: no need for frequent wakeups in VBoxNetDHCP
607	and VBoxNetNAT (bug #11681)</para>
608	</listitem>
609
610	<listitem>
611	<para>Host-only adapter: prevent Windows from creating an "Unidentified
612	network" (bug #9688)</para>
613	</listitem>
614
615	<listitem>
616	<para>Bridged Networking: don't leak host-to-guest traffic to
617	the wireless network when bridging to a wireless interface
618	(bug #13714)</para>
619	</listitem>
620
621	<listitem>
622	<para>Main: fixed a possible race when changing the medium leading
623	to a deadlock under rare conditions (bug #13722)</para>
624	</listitem>
625
626	<listitem>
627	<para>VBoxManage: fixed return code if starting a VM failed
628	(bug #13773)</para>
629	</listitem>
630
631	<listitem>
632	<para>Settings: on Windows host, do not use environment variable HOME
633	at all, the settings location is derived from the user profile
634	directory (bug #7689)</para>
635	</listitem>
636
637	<listitem>
638	<para>API: fixed 2 deadlock opportunities related to medium handling
639	(bugs #13789, #13801, thank you Alexander Urakov)</para>
640	</listitem>
641
642	<listitem>
643	<para>API: fixed bug in XPCOM which created too few worker threads,
644	sporadically resulting in a deadlock (bug #13802, thank you Alexander
645	Urakov)</para>
646	</listitem>
647
648	<listitem>
649	<para>SDK: fixed a garbage collection leak in the Python VirtualBox
650	webservice API binding (bug #13817)</para>
651	</listitem>
652
653	<listitem>
654	<para>Linux hosts: fixes for activated SMAP (Broadwell and later,
655	bug #13820)</para>
656	</listitem>
657
658	<listitem>
659	<para>X11 guests: prevent unwanted hiding of guest screens
660	on multi-monitor guests (bug #13287)</para>
661	</listitem>
662
663	<listitem>
664	<para>X11 guests: added support for X.Org Server 1.17</para>
665	</listitem>
666
667	<listitem>
668	<para>X11 Additions: fixed a memory leak in VBoxService if libdbus
669	is available but dbus-daemon isn't running (bug #13770)</para>
670	</listitem>
671
672	<listitem>
673	<para>Windows Additions: prevent VBox WDDM driver from loading if host
674	reports weak OpenGL capabilities. 3D content now can be shown over
675	Remote Desktop connection.</para>
676	</listitem>
677
678	<listitem>
679	<para>Winodws Additions: some fixes for recent Windows 10 Previews</para>
680	</listitem>
681
682	<listitem>
683	<para>Linux Additions: fixed a compatibility issue with 64-bit
684	Linux 2.4 kernels</para>
685	</listitem>
686
687	<listitem>
688	<para>Linux Additions: fixed a potential use-after-free when unloading
689	the VBoxGuest module</para>
690	</listitem>
691
692	<listitem>
693	<para>Linux Additions: Linux 3.19 fixes (bug #13741)</para>
694	</listitem>
695
696	</itemizedlist>
697	</sect1>
698
699	<sect1>
700	<title>Version 4.3.20 (2014-11-21)</title>
701
702	<para>This is a maintenance release. The following items were fixed and/or
703	added:</para>
704
705	<itemizedlist>
706
707	<listitem>
708	<para>VMM: fixed reboot hang of 32-bit Windows SMP guests (bugs #13319,
709	#13462)</para>
710	</listitem>
711
712	<listitem>
713	<para>VMM: proper <emphasis>Math Fault</emphasis> handling with certain
714	legacy guests (bug #9042, AMD hosts)</para>
715	</listitem>
716
717	<listitem>
718	<para>VMM: fixed a Guru Meditation <emphasis>VINF_EM_TRIPLE_FAULT</emphasis>
719	on older CPUs that don't support MSR-bitmaps (VT-x only;
720	bugs #13034, #13125, #13311, #13425, #13426, #13463, #13585)</para>
721	</listitem>
722
723	<listitem>
724	<para>GUI: fix 3D overlay window reparenting issue when VM goes to
725	fullscreen mode on X11 hosts.</para>
726	</listitem>
727
728	<listitem>
729	<para>GUI: fix occasional loss of focus in full-screen mode on X11
730	host systems (4.3.16 regression)</para>
731	</listitem>
732
733	<listitem>
734	<para>GUI: Mac OS X: wizards should have Cancel button
735	(bug #12541)</para>
736	</listitem>
737
738	<listitem>
739	<para>GUI: added a global option to prevent automatic raising of the
740	new window by mouse move with multi-screen guests (bug #8878)</para>
741	</listitem>
742
743	<listitem>
744	<para>API: accept remote display port 0 as the default RDP port
745	(bug #8534)</para>
746	</listitem>
747
748	<listitem>
749	<para>VBoxManage: fixed crash when executing <emphasis>showvminfo</emphasis>
750	command under certain circumstances (bug #13190)</para>
751	</listitem>
752
753	<listitem>
754	<para>ACPI: fixed occassional Guru Meditations in ACPI timer code
755	(4.3.18 regression; bug #13521)</para>
756	</listitem>
757
758	<listitem>
759	<para>EFI: improved performance of IDE disk access</para>
760	</listitem>
761
762	<listitem>
763	<para>EFI: fixed a bug in the EFI video driver which prevented
764	Windows to boot in UEFI mode (bug #12022)</para>
765	</listitem>
766
767	<listitem>
768	<para>EFI: properly announce the amount of RAM for big VMs
769	(bugs #11103 and #13211)</para>
770	</listitem>
771
772	<listitem>
773	<para>Storage: fixed a crash under certain cicrumstances when a medium
774	was ejected from a drive attached to the SATA controller without
775	inserting a new medium before pausing or closing the VM
776	(4.3.16 regression) </para>
777	</listitem>
778
779	<listitem>
780	<para>Storage: fixed an interrupt acknowledge issue causing hanging guests
781	or slower I/O (4.3.18 regression)</para>
782	</listitem>
783
784	<listitem>
785	<para>Storage: fixed broken resume after the VM was suspended due to
786	a full disk if host I/O caching is used</para>
787	</listitem>
788
789	<listitem>
790	<para>Storage: fixed a Guru Meditation under certain conditions when
791	using the DevLsiLogic controller with VMs running in raw mode
792	(4.3 regression; bugs #12254, #12655, #12709, #12774, #12886)</para>
793	</listitem>
794
795	<listitem>
796	<para>Guest Control: fixed a bug which might lead to a crash during
797	recursive copy</para>
798	</listitem>
799
800	<listitem>
801	<para>SDK: Java COM bindings fixes</para>
802	</listitem>
803
804	<listitem>
805	<para>iPXE: enable the HTTP download protocol (bug #13628)</para>
806	</listitem>
807
808	<listitem>
809	<para>Runtime: do not use a fixed stack size creating temporary threads
810	during initialization (bug #13038)</para>
811	</listitem>
812
813	<listitem>
814	<para>Windows hosts: fixed more startup problems on certain Windows hosts due
815	to conflicts with anti-virus software; better error reporting
816	(4.3.14 regression; bug #13187)</para>
817	</listitem>
818
819	<listitem>
820	<para>Windows hosts: fixed DirectSound host audio failure under certain conditions
821	(bug #13418)</para>
822	</listitem>
823
824	<listitem>
825	<para>Windows hosts: fixed additional cases of 4.3.14 regression
826	whereby AltGr stopped working for some people (bug #13216)</para>
827	</listitem>
828
829	<listitem>
830	<para>Windows Additions: preserve guest monitor layout when resizing
831	Windows 7 or newer guests</para>
832	</listitem>
833
834	<listitem>
835	<para>Linux Additions: Linux 3.18 compile fixes (bug #13515)</para>
836	</listitem>
837
838	</itemizedlist>
839	</sect1>
840
841	<sect1>
842	<title>Version 4.3.18 (2014-10-10)</title>
843
844	<para>This is a maintenance release. The following items were fixed and/or
845	added:</para>
846
847	<itemizedlist>
848
849	<listitem>
850	<para>VMM: fixed a potential misbehavior after restoring the A20 state
851	from a saved state</para>
852	</listitem>
853
854	<listitem>
855	<para>GUI: fixed full-screen mode mini-toolbar related regressions
856	for different platforms and window managers (bug #13369)</para>
857	</listitem>
858
859	<listitem>
860	<para>GUI: X11: fixed full-screen mode Unity panels quirk caused by
861	mini-toolbar code changes in last release (bug #13365)</para>
862	</listitem>
863
864	<listitem>
865	<para>GUI: X11: added possibility to use legacy full-screen mode
866	as the new one can cause multi-screen issues under Unity, see
867	<xref linkend="legacy-fullscreen-mode" xreflabel="here"/> (bug #13365)</para>
868	</listitem>
869
870	<listitem>
871	<para>GUI: Mac OS X: fixed full-screen mode artifact causing black screen
872	when 3D acceleration was enabled on 10.10 Yosemite hosts (bug #13448)</para>
873	</listitem>
874
875	<listitem>
876	<para>GUI: Mac OS X: fixed regression in user-space swiping from/to
877	VBox in full-screen mode</para>
878	</listitem>
879
880	<listitem>
881	<para>GUI: Mac OS X: fixed issue with switching to VBox in full-screen
882	mode through Alt+Tab and Mission Control</para>
883	</listitem>
884
885	<listitem>
886	<para>Storage: fixed data corruption when resizing huge VHD images under
887	certain circumstances (bug #11960)</para>
888	</listitem>
889
890	<listitem>
891	<para>Storage: fixed a rare hang during startup when the BIOS enumerates the
892	storage devices attached to the SATA controller</para>
893	</listitem>
894
895	<listitem>
896	<para>Storage: follow the spec with AHCI interrupt acknowledge (bug #13474)</para>
897	</listitem>
898
899	<listitem>
900	<para>Storage: fixed broken iSCSI authentication (4.3.14 regression; bugs #13386,
901	#13435)</para>
902	</listitem>
903
904	<listitem>
905	<para>NAT Network: properly parse port forwarding rules to allow UDP
906	rules</para>
907	</listitem>
908
909	<listitem>
910	<para>USB: fixed a crash on Linux hosts with older Linux kernels (bug #13400) and
911	several other fixes</para>
912	</listitem>
913
914	<listitem>
915	<para>ACPI: fixed ACPI timer anomalies (bug #12076)</para>
916	</listitem>
917
918	<listitem>
919	<para>Guest Control: fixed a memory leak (bug #13434)</para>
920	</listitem>
921
922	<listitem>
923	<para>Main: when removing a VM, do also remove the VBoxStartup.log file
924	which might exist on Windows hosts (bug #13478)</para>
925	</listitem>
926
927	<listitem>
928	<para>Windows hosts: fixed more startup problems on certain Windows hosts due
929	to conflicts with anti-virus software; better error reporting
930	(4.3.14 regression; bug #13187)</para>
931	</listitem>
932
933	<listitem>
934	<para>Windows hosts: propagate the process startup information to the child
935	process (4.3.14 regression; bug #13243)</para>
936	</listitem>
937
938	<listitem>
939	<para>Mac OS X hosts: don't force using the discrete GPU (bug #11111)</para>
940	</listitem>
941
942	<listitem>
943	<para>Windows Additions: some Windows 10 tweaks</para>
944	</listitem>
945
946	<listitem>
947	<para>X11 guests: fix a bug handling video driver display properties
948	which prevented GNOME Shell on Fedora 21 from starting</para>
949	</listitem>
950
951	<listitem>
952	<para>Linux hosts / guests: fixed a few remaining warnings in the kernel
953	log if memory allocation fails (bug #11171)</para>
954	</listitem>
955
956	</itemizedlist>
957	</sect1>
958
959	<sect1>
960	<title>Version 4.3.16 (2014-09-09)</title>
961
962	<para>This is a maintenance release. The following items were fixed and/or
963	added:</para>
964
965	<itemizedlist>
966
967	<listitem>
968	<para>VMM: fixed restoring 32-bit FPU state on 64-bit capable VMs
969	and restoring guest FPU in raw-mode VMs (bug #12646; 4.3 regression)</para>
970	</listitem>
971
972	<listitem>
973	<para>GUI: properly restore normal/scale mode guest-screen size
974	after exiting full-screen/seamless mode</para>
975	</listitem>
976
977	<listitem>
978	<para>GUI: mini-toolbar should provoke less artifacts/conflicts with
979	3D guest rendering</para>
980	</listitem>
981
982	<listitem>
983	<para>GUI: Mac OS X: Native full-screen multi-screen transition
984	was able to blackout host-screens for nearly minute</para>
985	</listitem>
986
987	<listitem>
988	<para>GUI: X11: Modern window managers should now use native full-screen
989	multi-screen mapping API</para>
990	</listitem>
991
992	<listitem>
993	<para>GUI: added extradata item for configuring the mouse capture
994	behavior, see <xref linkend="mouse-capture" xreflabel="here"/>
995	(bug #3506)</para>
996	</listitem>
997
998	<listitem>
999	<para>Storage: fixed a VBoxSVC crash when querying an iSCSI target with
1000	authentication configured (4.3.14 regression)</para>
1001	</listitem>
1002
1003	<listitem>
1004	<para>Storage: fixed a rare data corruption during reads if another
1005	allocating write is running concurrently and accesses the same range</para>
1006	</listitem>
1007
1008	<listitem>
1009	<para>Storage: fixed a rare crash for certain VHD images from other products</para>
1010	</listitem>
1011
1012	<listitem>
1013	<para>Storage: fixed a rare release assertion when using the AHCI controller</para>
1014	</listitem>
1015
1016	<listitem>
1017	<para>Floppy: fixed read errors and guest memory corruption when running
1018	under control of QEMM</para>
1019	</listitem>
1020
1021	<listitem>
1022	<para>3D: added experimental support for rendering on offline GPUs for Mac OS X host</para>
1023	</listitem>
1024
1025	<listitem>
1026	<para>3D: fixed white window appearing on entering FullScreen mode on Mac OS X host</para>
1027	</listitem>
1028
1029	<listitem>
1030	<para>3D: fixed video recording support for 3D data regression (bug #13073)</para>
1031	</listitem>
1032
1033	<listitem>
1034	<para>3D: fixes for MS Office 2013 support</para>
1035	</listitem>
1036
1037	<listitem>
1038	<para>3D: several fixes</para>
1039	</listitem>
1040
1041	<listitem>
1042	<para>Bridged Networking: improved IPv6 support when bridging
1043	to a wireless interface</para>
1044	</listitem>
1045
1046	<listitem>
1047	<para>NAT: prevent internal DNS service from stuck in host-resolver mode
1048	when host was switched from one network to another one while host was
1049	sleeping (Mac OS X hosts)</para>
1050	</listitem>
1051
1052	<listitem>
1053	<para>NAT: preserve DF (if possible) and TOS when proxying
1054	outbound UDP datagrams (bugs #9440, #12309)</para>
1055	</listitem>
1056
1057	<listitem>
1058	<para>NAT: don't let multicast datagrams out (bug #7338)</para>
1059	</listitem>
1060
1061	<listitem>
1062	<para>NAT: fixed handling of large incoming UDP datagrams on
1063	Windows hosts (bug #12136)</para>
1064	</listitem>
1065
1066	<listitem>
1067	<para>NAT: fixed handling of the RFC 1533 DHCP PAD option</para>
1068	</listitem>
1069
1070	<listitem>
1071	<para>NAT Network: fixed inbound half-close on Windows hosts</para>
1072	</listitem>
1073
1074	<listitem>
1075	<para>NAT Network: preserve IPv4 DF (if possible), TTL, TOS
1076	and IPv6 Hop Limit when proxying outbound UDP
1077	datagrams</para>
1078	</listitem>
1079
1080	<listitem>
1081	<para>VRDP: fixed a rare crash when using remote audio input</para>
1082	</listitem>
1083
1084	<listitem>
1085	<para>USB: fixed several regressions from 4.3.14 (bug #13320)</para>
1086	</listitem>
1087
1088	<listitem>
1089	<para>Audio: made the HDA sound emulation work with certain Mac OS X guests
1090	(e.g. Mountain Lion)</para>
1091	</listitem>
1092
1093	<listitem>
1094	<para>Windows hosts: fixed startup problems on certain Windows hosts due
1095	to conflicts with anti-virus software (4.3.14 regression; bug #13187)</para>
1096	</listitem>
1097
1098	<listitem>
1099	<para>Windows hosts: fixed 4.3.14 regression whereby AltGr stopped
1100	working for some people (bug #13216)</para>
1101	</listitem>
1102
1103	<listitem>
1104	<para>X11 hosts: made the extra key on Brazilian Thinkpads work
1105	(bug #8745)</para>
1106	</listitem>
1107
1108	<listitem>
1109	<para>X11 hosts: fixed a problem of input focus cycles and immediately
1110	released key presses in full screen mode (bug #13238)</para>
1111	</listitem>
1112
1113	<listitem>
1114	<para>Linux hosts: fixed flooding the kernel log with USB related messages
1115	when passing through certain USB devices to a VM (bug #13085)</para>
1116	</listitem>
1117
1118	<listitem>
1119	<para>Linux guests: stop applications crashing when <emphasis>drm_wait_vblank</emphasis>
1120	is called (bug #13265)</para>
1121	</listitem>
1122
1123	<listitem>
1124	<para>Linux guests: fix a crash in gnome-session (bug #13335)</para>
1125	</listitem>
1126
1127	<listitem>
1128	<para>X11 guests: do not start VBoxClient over an SSH connection
1129	(bug #13107)</para>
1130	</listitem>
1131
1132	<listitem>
1133	<para>X11 guests: added support for X.Org Server 1.16 (bug #13207)</para>
1134	</listitem>
1135
1136	<listitem>
1137	<para>X11 guests: fixed a wrong parameter in the video driver which
1138	caused problems with full-screen X11 clients (bug #2748)</para>
1139	</listitem>
1140
1141	<listitem>
1142	<para>VirtualKD: introduced stub/loader device for speeding up Windows
1143	kernel debugging, details see <ulink type=""
1144	url="http://virtualkd.sysprogs.org/">http://virtualkd.sysprogs.org/</ulink></para>
1145	</listitem>
1146
1147	</itemizedlist>
1148	</sect1>
1149
1150	<sect1>
1151	<title>Version 4.3.14 (2014-07-15)</title>
1152
1153	<para>This is a maintenance release. The following items were fixed and/or
1154	added:</para>
1155
1156	<itemizedlist>
1157
1158	<listitem>
1159	<para>VMM: more fixes for MSR emulation on certain hardware (bugs
1160	#12784, #12949, #13034)</para>
1161	</listitem>
1162
1163	<listitem>
1164	<para>VMM: improve MSI handling under rare circumstances (only
1165	relevant for the ICH9 chipset)</para>
1166	</listitem>
1167
1168	<listitem>
1169	<para>VMM: fixed #UD exception for 64-bit guests with the EFER.SCE bit
1170	and the <emphasis>SYSCALL</emphasis> instruction (VT-x only;
1171	4.3 regression; bug #13008)</para>
1172	</listitem>
1173
1174	<listitem>
1175	<para>VMM: fixed timekeeping after resuming SMP guests</para>
1176	</listitem>
1177
1178	<listitem>
1179	<para>VMM: properly wake up a halted VCPU on NMI/SMI</para>
1180	</listitem>
1181
1182	<listitem>
1183	<para>GUI: fixed a potential crash</para>
1184	</listitem>
1185
1186	<listitem>
1187	<para>GUI: fixed stuck AltGr key on Windows hosts (bug #2537)</para>
1188	</listitem>
1189
1190	<listitem>
1191	<para>GUI: fixed a potential error during the version check</para>
1192	</listitem>
1193
1194	<listitem>
1195	<para>GUI: shortcut change should not require Enter/Return (or other
1196	trigger) to confirm (bugs #12828, #12847, #12937, #13087)</para>
1197	</listitem>
1198
1199	<listitem>
1200	<para>GUI: fixed update check which was broken due to changing the
1201	location of the root certificates (bug #13096)</para>
1202	</listitem>
1203
1204	<listitem>
1205	<para>VBoxManage: fixed typo in <emphasis>showvminfo --machinereadable</emphasis>
1206	(bug #13176)</para>
1207	</listitem>
1208
1209	<listitem>
1210	<para>NAT: fixed inbound half-close (bug #13116)</para>
1211	</listitem>
1212
1213	<listitem>
1214	<para>NAT: fixed slow upload speed under certain conditions
1215	(bug #10034)</para>
1216	</listitem>
1217
1218	<listitem>
1219	<para>NAT Network: fixed potential loss of inbound TCP data</para>
1220	</listitem>
1221
1222	<listitem>
1223	<para>NAT Network: fixed potential infinite stalls of TCP
1224	connections over IPv6</para>
1225	</listitem>
1226
1227	<listitem>
1228	<para>NAT Network: fixed resets of TCP connections on Windows
1229	hosts</para>
1230	</listitem>
1231
1232	<listitem>
1233	<para>NAT Network: fixed inbound half-close on Mac OS X hosts</para>
1234	</listitem>
1235
1236	<listitem>
1237	<para>NAT Network: fixed socket leak on Solaris hosts</para>
1238	</listitem>
1239
1240	<listitem>
1241	<para>NAT Network: fixed ping of mapped host loopback on Mac OS X
1242	and Solaris hosts, fixed proxying of IMCP errors on Mac OS X</para>
1243	</listitem>
1244
1245	<listitem>
1246	<para>Host-Only Network: fixed SNMP <emphasis>ifConnectorPresent</emphasis>
1247	value on Windows (bug #13143)</para>
1248	</listitem>
1249
1250	<listitem>
1251	<para>Storage: fixed a possible crash with CD/DVD passthrough under
1252	certain circumstances</para>
1253	</listitem>
1254
1255	<listitem>
1256	<para>Storage: fixed a crash when trying to open an inaccessible QED
1257	or QCOW image (bug #12613)</para>
1258	</listitem>
1259
1260	<listitem>
1261	<para>Storage: fixed data corruption or read errors under rare
1262	circumstances</para>
1263	</listitem>
1264
1265	<listitem>
1266	<para>AHCI: fixed a crash under rare circumstances</para>
1267	</listitem>
1268
1269	<listitem>
1270	<para>USB: performance fixes</para>
1271	</listitem>
1272
1273	<listitem>
1274	<para>ICH9: properly reset MSI capability on reset</para>
1275	</listitem>
1276
1277	<listitem>
1278	<para>Keyboard: active modifier keys during suspend were stuck after
1279	resuming the host</para>
1280	</listitem>
1281
1282	<listitem>
1283	<para>3D: fixed misbehavior with huge guests (i.e. guest more than
1284	4GB guest memory</para>
1285	</listitem>
1286
1287	<listitem>
1288	<para>3D: several fixes</para>
1289	</listitem>
1290
1291	<listitem>
1292	<para>API: properly detect the Windows 8.1 guest OS type (bug #13090)</para>
1293	</listitem>
1294
1295	<listitem>
1296	<para>ExtPack: cleanup of dangling uninstallation directories</para>
1297	</listitem>
1298
1299	<listitem>
1300	<para>Linux hosts / guests: compile fix for EL7 (bug #12638)</para>
1301	</listitem>
1302
1303	<listitem>
1304	<para>Linux Additions: made 3D pass-through work with recent versions
1305	of Mesa in the guest (bug #12941)</para>
1306	</listitem>
1307
1308	<listitem>
1309	<para>Linux Additions: Linux 3.16 fixes (bug #13123)</para>
1310	</listitem>
1311
1312	<listitem>
1313	<para>Mac OS X hosts: when scanning for host CD/DVD devices also consider
1314	BlueRay devices</para>
1315	</listitem>
1316
1317	<listitem>
1318	<para>Mac OS X hosts: fixed host shutdown and reboot delay caused by running VBoxSVC
1319	process in some cases.</para>
1320	</listitem>
1321
1322	<listitem>
1323	<para>OS/2 Additions: fixed gengradd.dll library name (bug #12785)</para>
1324	</listitem>
1325
1326	<listitem>
1327	<para>Solaris Additions: fixed permissions of files and directories
1328	located on shared folders</para>
1329	</listitem>
1330
1331	<listitem>
1332	<para>Windows host installer: fixed the need for rebooting Windows after
1333	installation or upgrade, extended logging for NetFlt/NetAdp (un)installation</para>
1334	</listitem>
1335
1336	</itemizedlist>
1337
1338	</sect1>
1339
1340	<sect1>
1341	<title>Version 4.3.12 (2014-05-16)</title>
1342
1343	<para>This is a maintenance release. The following items were fixed and/or
1344	added:</para>
1345
1346	<itemizedlist>
1347
1348	<listitem>
1349	<para>VMM: fixed an occasional Guru Meditation (Mac OS X hosts only;
1350	bugs #12727, #12954)</para>
1351	</listitem>
1352
1353	<listitem>
1354	<para>VMM: fixed a rare condition that would fail to invalidate guest TLB
1355	entries or would invalidate them when not required (Windows hosts only)</para>
1356	</listitem>
1357
1358	<listitem>
1359	<para>VMM: fixed a <emphasis>VERR_NOT_SUPPORTED</emphasis> Guru Meditation
1360	seen with certain guests, e.g. OpenServer 5.0.7</para>
1361	</listitem>
1362
1363	<listitem>
1364	<para>VMM: more fixes for MSR emulation on certain hardware (bugs #12240,
1365	#12875)</para>
1366	</listitem>
1367
1368	<listitem>
1369	<para>GUI: fixed mouse positioning with mouse integration disabled and
1370	multiple guest screens (Windows hosts only; bug #9059)</para>
1371	</listitem>
1372
1373	<listitem>
1374	<para>GUI: fixed crash in VM manager (bug #12878)</para>
1375	</listitem>
1376
1377	<listitem>
1378	<para>GUI: fixed crash under rare conditions on entering/exiting
1379	full-screen/seamless mode</para>
1380	</listitem>
1381
1382	<listitem>
1383	<para>Shared Clipboard: don't stop working after taking a snapshot
1384	(bug #12700)</para>
1385	</listitem>
1386
1387	<listitem>
1388	<para>AHCI: fixed a crash under rare circumstances</para>
1389	</listitem>
1390
1391	<listitem>
1392	<para>API: fixed a hang during VM shutdown under rare conditions</para>
1393	</listitem>
1394
1395	<listitem>
1396	<para>NAT: fixed generation of malformed ICMP error datagrams (4.3.10 regression)</para>
1397	</listitem>
1398
1399	<listitem>
1400	<para>NAT: fixed potential crash in DNS proxy</para>
1401	</listitem>
1402
1403	<listitem>
1404	<para>NAT Network: don't drop port forwarding rules after some time</para>
1405	</listitem>
1406
1407	<listitem>
1408	<para>NAT: fixed ARP cache corruption and network loss in Windows guest caused
1409	by iSCSI service activity</para>
1410	</listitem>
1411
1412	<listitem>
1413	<para>USB: improved check if a storage device is currently mounted to the host
1414	when the device is about to be attached to the VM (Mac OS X hosts only; #11038)</para>
1415	</listitem>
1416
1417	<listitem>
1418	<para>3D support: several fixes, including better support for Ubuntu 14.04</para>
1419	</listitem>
1420
1421	<listitem>
1422	<para>VRDP: fixed a potential crash on client disconnect (bug #12858)</para>
1423	</listitem>
1424
1425	<listitem>
1426	<para>VBoxSVC: fixed a race when a new client is started a few seconds after
1427	the last client terminated (Windows hosts only; bugs #11309, #12509)</para>
1428	</listitem>
1429
1430	<listitem>
1431	<para>VBoxSVC: fixed VirtualBox.xml registry corruption after VM renaming</para>
1432	</listitem>
1433
1434	<listitem>
1435	<para>VBoxSVC: fixed a potential crash caused by incorrect USB device filter
1436	(Mac OS X hosts only; #11038)</para>
1437	</listitem>
1438
1439	<listitem>
1440	<para>Windows hosts: partly support 32-bit COM on 64-bit systems</para>
1441	</listitem>
1442
1443	<listitem>
1444	<para>Windows host installer: implemented merge module (msm) support</para>
1445	</listitem>
1446
1447	<listitem>
1448	<para>Linux hosts: fixed dependency of boot script on older Debian systems
1449	(bug #12262)</para>
1450	</listitem>
1451
1452	<listitem>
1453	<para>Linux guests: fix symbolic link to shared folder helper
1454	(bug #12879)</para>
1455	</listitem>
1456
1457	<listitem>
1458	<para>Linux Additions: don't crash VBoxService during guest execute for
1459	users without a password (bug #12994)</para>
1460	</listitem>
1461
1462	<listitem>
1463	<para>Linux Additions: fixed a bug in guest execution where the guest process
1464	terminated with <emphasis>VERR_INTERRUPTED</emphasis> to the host</para>
1465	</listitem>
1466
1467	</itemizedlist>
1468
1469	</sect1>
1470
1471	<sect1>
1472	<title>Version 4.3.10 (2014-03-26)</title>
1473
1474	<para>This is a maintenance release. The following items were fixed and/or
1475	added:</para>
1476
1477	<itemizedlist>
1478
1479	<listitem>
1480	<para>VMM: more work on improving the emulation of certain MSR registers
1481	on certain host CPUs (e.g. bugs #12734, #12736, #12744, #12748, #12686,
1482	#12770)</para>
1483	</listitem>
1484
1485	<listitem>
1486	<para>VMM: fixed single-stepping for real-mode guests (VT-x without
1487	unrestricted guest execution) and some I/O instructions (bug #12636)</para>
1488	</listitem>
1489
1490	<listitem>
1491	<para>VMM: fixed a potential problem with COW pages if nested paging is
1492	not available</para>
1493	</listitem>
1494
1495	<listitem>
1496	<para>GUI: Mac OS X: experimental native full screen support for
1497	Mountain Lion and Mavericks (bug #12292)</para>
1498	</listitem>
1499
1500	<listitem>
1501	<para>GUI: Mac OS X: removed the mini-toolbar minimize button which
1502	doesn't work under Mac OS X full screen mode anyway</para>
1503	</listitem>
1504
1505	<listitem>
1506	<para>GUI: experimental HID LEDs synchronization for Windows and Mac OS X hosts:
1507	fixed keyboard re-synchronization if the feature is disabled (as done by default;
1508	bug #12758)</para>
1509	</listitem>
1510
1511	<listitem>
1512	<para>GUI: fixed a potential crash when opening the preferences menu
1513	(bug #12862)</para>
1514	</listitem>
1515
1516	<listitem>
1517	<para>OVF: fixed a crash of the VirtualBox Manager when re-starting guest
1518	export (bug #12586)</para>
1519	</listitem>
1520
1521	<listitem>
1522	<para>3D support: several fixes</para>
1523	</listitem>
1524
1525	<listitem>
1526	<para>HGCM: fixed a problem with saved states which could cause several
1527	guest misbehavior after a VM was started from a saved state</para>
1528	</listitem>
1529
1530	<listitem>
1531	<para>Storage: fixed a bug preventing to compact differential snapshots
1532	under certain conditions</para>
1533	</listitem>
1534
1535	<listitem>
1536	<para>VBoxSVC: fixed a segmentation fault on Linux hosts if a very long path
1537	exists under /dev (bug #12760)</para>
1538	</listitem>
1539
1540	<listitem>
1541	<para>API: fixed guest misbehavior under certain conditions if a storage
1542	medium was attached or removed at VM runtime</para>
1543	</listitem>
1544
1545	<listitem>
1546	<para>Windows installer: make the <emphasis>--silent</emphasis>
1547	parameter work again (bug #12764)</para>
1548	</listitem>
1549
1550	<listitem>
1551	<para>Mac OS X Networking: prevent local traffic (VM-to/from-host) from
1552	leaking to wire (bug #12750)</para>
1553	</listitem>
1554
1555	<listitem>
1556	<para>Windows Additions: fixed the environment for guest processes
1557	(4.3.8 regression; bug #12782)</para>
1558	</listitem>
1559
1560	<listitem>
1561	<para>Windows Additions/WDDM: fixed divide by zero exception with
1562	multiple guest screens under certain conditions</para>
1563	</listitem>
1564
1565	<listitem>
1566	<para>Windows Additions/WDDM: fixed crashes with 2D video
1567	acceleration enabled (4.3.8 regression; bug #12745)</para>
1568	</listitem>
1569
1570	<listitem>
1571	<para>Linux Additions: install correctly on Ubuntu guest systems
1572	with a /usr/lib64 directory (bug #12513)</para>
1573	</listitem>
1574
1575	<listitem>
1576	<para>X11 Additions: fix for the VBoxClient process not exiting
1577	correctly (bug #12348) and consuming too much processor time</para>
1578	</listitem>
1579
1580	</itemizedlist>
1581	</sect1>
1582
1583	<sect1>
1584	<title>Version 4.3.8 (2014-02-25)</title>
1585
1586	<para>This is a maintenance release. The following items were fixed and/or
1587	added:</para>
1588
1589	<itemizedlist>
1590
1591	<listitem>
1592	<para>VMM: more work on improving the emulation of certain MSR registers
1593	(e.g. bugs #12224, #12544)</para>
1594	</listitem>
1595
1596	<listitem>
1597	<para>VMM: fixed a <emphasis>VERR_INVALID_RPL</emphasis> Guru Meditation
1598	when booting certain guests (bug #11350)</para>
1599	</listitem>
1600
1601	<listitem>
1602	<para>VMM: experimental support for SSE 4.1 / SSE 4.2 passthrough, see
1603	the user manual how to enable it (bug #8651)</para>
1604	</listitem>
1605
1606	<listitem>
1607	<para>VMM: fix for recent Linux kernels with software virtualization</para>
1608	</listitem>
1609
1610	<listitem>
1611	<para>GUI: experimental HID LEDs synchronization for Windows hosts, see
1612	<xref linkend="hidledssync" xreflabel="here"/></para>
1613	</listitem>
1614
1615	<listitem>
1616	<para>GUI: warn the user if the Oracle Extension Pack is not installed and
1617	the user tries to activate the remote display feature (bug #9104)</para>
1618	</listitem>
1619
1620	<listitem>
1621	<para>GUI: make sure that a minimized guest (using mini toolbar in
1622	full screen / seamless mode) keeps the minimized state (bug #12199)</para>
1623	</listitem>
1624
1625	<listitem>
1626	<para>GUI: popup banner's "do not show this message again" check-box
1627	replaced with corresponding button</para>
1628	</listitem>
1629
1630	<listitem>
1631	<para>GUI: network adapter cables can now be connected/disconnected directly through
1632	the running virtual machine Devices / Network menu a Network status-bar
1633	indicator</para>
1634	</listitem>
1635
1636	<listitem>
1637	<para>GUI: the new VM wizard now proposes 64-bit guests on 64-bit hosts
1638	by default; better distinction between 32-bit OS types 64-bit OS types
1639	(bug #12533)</para>
1640	</listitem>
1641
1642	<listitem>
1643	<para>GUI: better error message if appliance import fails
1644	(bug #12657)</para>
1645	</listitem>
1646
1647	<listitem>
1648	<para>GUI: allow to set host-combination to 'None' using the Global settings
1649	/ Input page (bug #12730)</para>
1650	</listitem>
1651
1652	<listitem>
1653	<para>GUI: don't switch the guest to a black screen during online snapshot
1654	merge (4.3 regression)</para>
1655	</listitem>
1656
1657	<listitem>
1658	<para>VBoxManage: when exporting an appliance, support the suppression
1659	of MAC addresses, which means they will be always recreated on
1660	import, avoiding duplicate MAC addresses for VMs which are imported
1661	several times</para>
1662	</listitem>
1663
1664	<listitem>
1665	<para>AHCI: fixed a VM hang during suspend under certain circumstances</para>
1666	</listitem>
1667
1668	<listitem>
1669	<para>AHCI: fixed a VM hang during online snapshot merge under certain
1670	circumstances</para>
1671	</listitem>
1672
1673	<listitem>
1674	<para>AHCI: fixed a bug which resulted in Windows XP guest hangs if a
1675	SATA CDROM is attached (bug #12417)</para>
1676	</listitem>
1677
1678	<listitem>
1679	<para>AHCI: fixed a Guru Meditation under certain conditions</para>
1680	</listitem>
1681
1682	<listitem>
1683	<para>AHCI: ejecting a CD/DVD medium failed under certain conditions</para>
1684	</listitem>
1685
1686	<listitem>
1687	<para>AHCI: disk hotplugging fixes</para>
1688	</listitem>
1689
1690	<listitem>
1691	<para>NAT: transparent handling of host sleep/resume and network configuration
1692	changes if the dnsproxy is enabled or if the hostresolver is used
1693	(bug #12441)</para>
1694	</listitem>
1695
1696	<listitem>
1697	<para>NAT: fixed crash and misbehaviour under some circumstances with
1698	ICMP packets having TTL=1</para>
1699	</listitem>
1700
1701	<listitem>
1702	<para>NAT Network: fixed IPv6 reassembly</para>
1703	</listitem>
1704
1705	<listitem>
1706	<para>NAT Network: ping proxy implemented</para>
1707	</listitem>
1708
1709	<listitem>
1710	<para>OVF: fixed reading of the OVF 0.9 section element
1711	(4.3 regression; bug #12345)</para>
1712	</listitem>
1713
1714	<listitem>
1715	<para>OVF: several fixes</para>
1716	</listitem>
1717
1718	<listitem>
1719	<para>3D support: several fixes, multiscreen fixes (e.g. bug #9124)</para>
1720	</listitem>
1721
1722	<listitem>
1723	<para>3D support: include 3D content in captured videos (bug #12666)</para>
1724	</listitem>
1725
1726	<listitem>
1727	<para>3D support: include 3D content in captured screenshot (bug #11758)</para>
1728	</listitem>
1729
1730	<listitem>
1731	<para>VGA: proper handling of legacy graphics modes if the Guest
1732	Additions are active (bug #6649)</para>
1733	</listitem>
1734
1735	<listitem>
1736	<para>USB: fixed crash during isochronous transfer under rare
1737	circumstances</para>
1738	</listitem>
1739
1740	<listitem>
1741	<para>BIOS: better disk geometry handling of SCSI drives</para>
1742	</listitem>
1743
1744	<listitem>
1745	<para>API: fix crashes in Java API clients using the XPCOM binding,
1746	happened with output parameters only (bug #11232)</para>
1747	</listitem>
1748
1749	<listitem>
1750	<para>VBoxSVC: documented the handling of host power management events
1751	(see <xref linkend="hostpowertweaks" xreflabel="here"/>) and
1752	added an extradata item for configuring the handling of the battery-low
1753	event (bug #9925)</para>
1754	</listitem>
1755
1756	<listitem>
1757	<para>VBoxSVC: fixed a bug which could trigger a crash if a VM snapshot
1758	was restored the second time and the VM has associated bandwidth groups
1759	(bug #12569)</para>
1760	</listitem>
1761
1762	<listitem>
1763	<para>VBoxSVC: properly detect ifconfig if located in <emphasis>/bin</emphasis>
1764	(bug #12713)</para>
1765	</listitem>
1766
1767	<listitem>
1768	<para>Shared Folders: fixed a failure to restore transient shared folders
1769	when starting a VM from a saved state (bug #12578)</para>
1770	</listitem>
1771
1772	<listitem>
1773	<para>Mac OS X hosts: fixed issue when the application icon was frozen in
1774	the dock if the bridging interface was not connected to a network
1775	(bug #12241)</para>
1776	</listitem>
1777
1778	<listitem>
1779	<para>Linux hosts: also consider the physical package ID when determining
1780	the number of physical CPU cores</para>
1781	</listitem>
1782
1783	<listitem>
1784	<para>Linux hosts / guests: don't warn in kernel log if memory allocation
1785	fails (bug #11171)</para>
1786	</listitem>
1787
1788	<listitem>
1789	<para>Solaris hosts: fixed the autostart SMF script (bug #11720)</para>
1790	</listitem>
1791
1792	<listitem>
1793	<para>Windows hosts: fixes for non-ANSI code page user names and similar
1794	environment contents (bug #12596)</para>
1795	</listitem>
1796
1797	<listitem>
1798	<para>Windows hosts / guests: fixed setting and using a guest user's process
1799	environment variables (relevant for Guest Control)</para>
1800	</listitem>
1801
1802	<listitem>
1803	<para>Windows Additions: fixed handle leaks in VBoxTray (bug #12563)</para>
1804	</listitem>
1805
1806	<listitem>
1807	<para>Windows Additions: fixed a crash while detecting active guest users</para>
1808	</listitem>
1809
1810	<listitem>
1811	<para>Windows Additions: fixed restoring backed up D3D files on
1812	XPDM -> WDDM upgrade</para>
1813	</listitem>
1814
1815	<listitem>
1816	<para>Guest Control: fixed setting and using a guest user's process
1817	environment variables</para>
1818	</listitem>
1819
1820	<listitem>
1821	<para>Linux Additions: support Enterprise Linux 6.5 kernels
1822	(bug #12505)</para>
1823	</listitem>
1824
1825	<listitem>
1826	<para>Linux Additions: fixed CPU hot-remove on newer Linux kernels</para>
1827	</listitem>
1828
1829	<listitem>
1830	<para>Linux / Solaris Additions: don't automount a shared folder which is already
1831	mounted</para>
1832	</listitem>
1833
1834	<listitem>
1835	<para>X11 Additions: support X.Org Server 1.15 (bug #12623)</para>
1836	</listitem>
1837
1838	</itemizedlist>
1839
1840	</sect1>
1841
1842	<sect1>
1843	<title>Version 4.3.6 (2013-12-18)</title>
1844
1845	<para>This is a maintenance release. The following items were fixed and/or
1846	added:</para>
1847
1848	<itemizedlist>
1849
1850	<listitem>
1851	<para>VMM: fixed a Guru Meditation <emphasis>VINF_EM_TRIPLE_FAULT</emphasis>
1852	caused by VMCB caching with nested paging on certain AMD CPUs (bug #12451)</para>
1853	</listitem>
1854
1855	<listitem>
1856	<para>VMM: fixed a Guru Meditation <emphasis>VERR_VMX_UNEXPECTED_INTERRUPTION_EXIT_TYPE</emphasis>
1857	while intercepting debug exceptions (VT-x only; bug #12410)</para>
1858	</listitem>
1859
1860	<listitem>
1861	<para>VMM: fixed a Guru Meditation <emphasis>VERR_SVM_UNEXPECTED_EXIT</emphasis>
1862	while intercepting debug register accesses (AMD-V only; bug #12481)</para>
1863	</listitem>
1864
1865	<listitem>
1866	<para>VMM: fixed a <emphasis>VERR_SSM_STRUCTURE_MAGIC</emphasis> error when trying
1867	to load a saved state made with VBox 4.3.4 when VT-x/AMD-V is disabled. Unfortunately,
1868	VBox 4.3.4 produced broken saved states for this configuration so you have to discard
1869	these states (bug #12414)</para>
1870	</listitem>
1871
1872	<listitem>
1873	<para>VMM: added a few more MSRs to the whitelist required by certain guests
1874	(bug #12245)</para>
1875	</listitem>
1876
1877	<listitem>
1878	<para>GUI: fixed deleting of inaccessible VMs (4.3 regression; bug
1879	#12205)</para>
1880	</listitem>
1881
1882	<listitem>
1883	<para>GUI: fixed warnings in VM settings / number of guest processors
1884	(bug #12480)</para>
1885	</listitem>
1886
1887	<listitem>
1888	<para>Main: don't automatically enable 64-bit guests on 64-bit hosts if
1889	VT-x/AMD-V is not available (bug #12424)</para>
1890	</listitem>
1891
1892	<listitem>
1893	<para>Main: always expose the DMI memory information to Windows 2012 guests
1894	(bug #12017)</para>
1895	</listitem>
1896
1897	<listitem>
1898	<para>Main: fixed occasional crashes on guest display resolution change
1899	(bug #7063)</para>
1900	</listitem>
1901
1902	<listitem>
1903	<para>Main: fixed reporting back temporary name when calling
1904	<emphasis>IGuestSession::DirectoryCreateTemp()</emphasis> (bug #12498)</para>
1905	</listitem>
1906
1907	<listitem>
1908	<para>API: fix for a hang when launching a GUI VM through the API, which crashes
1909	due to GUI unavailability</para>
1910	</listitem>
1911
1912	<listitem>
1913	<para>Storage: fix for <emphasis>BLKCACHE_IOERR</emphasis> runtime errors under
1914	rare circumstances (bug #11030)</para>
1915	</listitem>
1916
1917	<listitem>
1918	<para>Network: allow to start more than 5 PCNet instances (bug #12426)</para>
1919	</listitem>
1920
1921	<listitem>
1922	<para>E1000: if the cable was disconnected before the guest initialized
1923	the device, the link status was not properly set to 'down' after the
1924	initialization completed despite the fact that there was no connection</para>
1925	</listitem>
1926
1927	<listitem>
1928	<para>3D support: fixed offset of guest 3D image elements (Mac OS X Retina
1929	hosts only; bug #11021)</para>
1930	</listitem>
1931
1932	<listitem>
1933	<para>Solaris hosts: fixed accessing the host driver from non-global zones
1934	(4.3 regression; bug #12271)</para>
1935	</listitem>
1936
1937	</itemizedlist>
1938
1939	</sect1>
1940
1941	<sect1>
1942	<title>Version 4.3.4 (2013-11-29)</title>
1943
1944	<para>This is a maintenance release. The following items were fixed and/or
1945	added:</para>
1946
1947	<itemizedlist>
1948
1949	<listitem>
1950	<para>VMM: fix for a bug in the Local APIC emulation causing a BSOD when
1951	booting certain guests (4.3.0 regression; bug #12240)</para>
1952	</listitem>
1953
1954	<listitem>
1955	<para>VMM: fixed loading of saved states if VT-x/AMD-V was disabled
1956	(4.3.2 regression; bug #12291)</para>
1957	</listitem>
1958
1959	<listitem>
1960	<para>VMM: fixed single-stepping inside the guest for certain
1961	instructions (VT-x only; bug #10947)</para>
1962	</listitem>
1963
1964	<listitem>
1965	<para>VMM: fixed a performance issue involving APIC accesses after rebooting
1966	a VM (4.3.0 regression; VT-x only; bug #12296)</para>
1967	</listitem>
1968
1969	<listitem>
1970	<para>VMM: fixed TPR patching to be enabled for 32-bit guests even when
1971	the chosen guest type is 64-bit (4.3.0 regression; AMD-V only)</para>
1972	</listitem>
1973
1974	<listitem>
1975	<para>VMM: fixed occasional <emphasis>VINF_EM_TRIPLE_FAULT</emphasis> errors on
1976	hosts without the unrestricted guest execution feature (bug #12198)</para>
1977	</listitem>
1978
1979	<listitem>
1980	<para>GUI: don't bother the user with the BPP warning if no
1981	Guest Additions are installed</para>
1982	</listitem>
1983
1984	<listitem>
1985	<para>GUI: fixed machine-window paint artifacts on VM reboot / guest-screen
1986	resize</para>
1987	</listitem>
1988
1989	<listitem>
1990	<para>GUI: make sure the assigned license and description are attached to
1991	the exported appliance</para>
1992	</listitem>
1993
1994	<listitem>
1995	<para>GUI: fixed bugs in close VM action restrictions handling (bug #12333)</para>
1996	</listitem>
1997
1998	<listitem>
1999	<para>GUI: fixed incorrect wizards text colors for some unusual
2000	look and feel styles (bug #11743)</para>
2001	</listitem>
2002
2003	<listitem>
2004	<para>GUI: should restore seamless mode as soon as possible after
2005	VM reboot or shutdown</para>
2006	</listitem>
2007
2008	<listitem>
2009	<para>GUI: fixes for medium enumeration</para>
2010	</listitem>
2011
2012	<listitem>
2013	<para>GUI: the OS X hot corners were not accessible while a VirtualBox VM
2014	is running (Mac OS X hosts only; bug #4139)</para>
2015	</listitem>
2016
2017	<listitem>
2018	<para>GUI: fixed an old bug which bared the host from cleanly shutdown / reboot
2019	if the VM selector window is open (Mac OS X hosts only; bug #8254)</para>
2020	</listitem>
2021
2022	<listitem>
2023	<para>Host-only Networking: fixed creating of host-only network interfaces
2024	(4.3.0 regression; bug #12182)</para>
2025	</listitem>
2026
2027	<listitem>
2028	<para>NAT: don't run into an infinite loop in case the host cannot
2029	access any DNS server (4.3.0 regression; bug #12300)</para>
2030	</listitem>
2031
2032	<listitem>
2033	<para>NAT: don't re-connect the cable if the DNS information changes
2034	and the cable was disconnected before (4.3.0 regression; bug #12225)</para>
2035	</listitem>
2036
2037	<listitem>
2038	<para>NAT: fixed several issues with automatically starting /
2039	terminating of NAT networks on VM start / stop and configuration
2040	changes</para>
2041	</listitem>
2042
2043	<listitem>
2044	<para>VBoxNetDHCP: don't block prevent VBoxSVC from terminating
2045	(bug #12264)</para>
2046	</listitem>
2047
2048	<listitem>
2049	<para>2D Video acceleration: fix crashes on presentation mode switches
2050	(bug #9194)</para>
2051	</listitem>
2052
2053	<listitem>
2054	<para>BusLogic: allow to run VMs with more than one BusLogic SCSI
2055	controller enabled</para>
2056	</listitem>
2057
2058	<listitem>
2059	<para>Keyboard: fixed a VM crash if a VM was resumed from a saved state
2060	where at least one key was pressed (bug #11289)</para>
2061	</listitem>
2062
2063	<listitem>
2064	<para>VBoxSVC: fixed a heap corruption under certain conditions (4.3.0
2065	regression)</para>
2066	</listitem>
2067
2068	<listitem>
2069	<para>VBoxSVC: fixed a race leading to a hang during initialization
2070	(bug #12349)</para>
2071	</listitem>
2072
2073	<listitem>
2074	<para>OVF: fixed import logic for OVF appliances containing multiple
2075	VMs</para>
2076	</listitem>
2077
2078	<listitem>
2079	<para>OVF: improved logic for finding an appropriate image format
2080	during OVF import</para>
2081	</listitem>
2082
2083	<listitem>
2084	<para>API: block the removal of the current snapshot if it has child
2085	snapshots (only relevant for VMs without snapshottable hard disks,
2086	their presence always prevented removal), which resulted in VM
2087	config corruption</para>
2088	</listitem>
2089
2090	<listitem>
2091	<para>API: mark VM configs with snapshots but without current snapshot
2092	as inaccessible, as this combination is nonsense</para>
2093	</listitem>
2094
2095	<listitem>
2096	<para>API: fixed information for some automatically generated events
2097	(only with XPCOM, Windows host was not affected), which caused
2098	errors when getting some of the attributes over the webservice
2099	(bug #12379)</para>
2100	</listitem>
2101
2102	<listitem>
2103	<para>SDK: extended the functionality coverage for the C bindings</para>
2104	</listitem>
2105
2106	<listitem>
2107	<para>Guest Control: various bugfixes and improved VBoxManage help
2108	(bugs #8072, #11044, #12336, #12338, #12346, #12371)</para>
2109	</listitem>
2110
2111	<listitem>
2112	<para>Windows hosts: another attempt to fix the massive DPC latency
2113	(bug #6242)</para>
2114	</listitem>
2115
2116	<listitem>
2117	<para>Windows host installer: make registering file extensions optional,
2118	contributed by Tal Aloni (bug #8009)</para>
2119	</listitem>
2120
2121	<listitem>
2122	<para>Mac OS X hosts: properly sign the kernel extensions for Mavericks
2123	hosts (bug #12256)</para>
2124	</listitem>
2125
2126	<listitem>
2127	<para>Mac OS X hosts: fixed a bug where the VirtualBox dock icon was
2128	not properly removed from the dock after a VM terminated preventing
2129	Mavericks hosts from shutting down (bug #12241)</para>
2130	</listitem>
2131
2132	<listitem>
2133	<para>Mac OS X hosts: fixed minor installer issue (bug #12275)</para>
2134	</listitem>
2135
2136	<listitem>
2137	<para>Linux hosts / guests: Linux 3.13 compile fixes (bug #12358)</para>
2138	</listitem>
2139
2140	<listitem>
2141	<para>Linux guests: build the vboxvideo kernel module correctly on
2142	OL/RHEL 6.1 guests (bug #11996)</para>
2143	</listitem>
2144
2145	<listitem>
2146	<para>Linux guests: make 3D work on Slackware 14.1
2147	(bug #12320 comments 3 and 4)</para>
2148	</listitem>
2149
2150	<listitem>
2151	<para>Guest Additions/3D: fixed an occasional dead-lock (bug #12319)</para>
2152	</listitem>
2153
2154	<listitem>
2155	<para>Windows Additions/3D: fixed possible memory leaking (bug #12228)</para>
2156	</listitem>
2157
2158	<listitem>
2159	<para>Windows Additions/XPDM: use separate tables containing valid video
2160	modes for each virtual monitor</para>
2161	</listitem>
2162
2163	<listitem>
2164	<para>Windows Additions: fixed automatic logins for Vista and newer Windows
2165	guests (bug #12332)</para>
2166	</listitem>
2167
2168	</itemizedlist>
2169	</sect1>
2170
2171	<sect1>
2172	<title>Version 4.3.2 (2013-11-01)</title>
2173
2174	<para>This is a maintenance release. The following items were fixed and/or
2175	added:</para>
2176
2177	<itemizedlist>
2178
2179	<listitem>
2180	<para>VMM: fixed restoring of the auxiliary TSC MSR in VT-x that caused host
2181	BSODs on Windows 8.1 hosts and unpredictable behavior on other hosts
2182	(bug #12237)</para>
2183	</listitem>
2184
2185	<listitem>
2186	<para>VMM: provide fake values for a couple of MSRs to make more guests happy on
2187	certain hosts</para>
2188	</listitem>
2189
2190	<listitem>
2191	<para>VMM: fixed detection of VT-x on certain machines where the BIOS would
2192	not set the VMX LOCK feature bit, which affected the VM settings in the GUI</para>
2193	</listitem>
2194
2195	<listitem>
2196	<para>VMM: fixed TPR threshold which caused BSODs on Windows XP guests
2197	that use the I/O APIC (VT-x only; bug #12227)</para>
2198	</listitem>
2199
2200	<listitem>
2201	<para>VMM: fixed PATM saved state incompatibility for software virtualized
2202	VMs (bug #12222)</para>
2203	</listitem>
2204
2205	<listitem>
2206	<para>VMM: don't fail if AMD-V isn't available if the VM is configured
2207	to use software virtualization</para>
2208	</listitem>
2209
2210	<listitem>
2211	<para>GUI: fixed guest resize breakage on visual representation mode change
2212	(when switching from normal to full screen etc)</para>
2213	</listitem>
2214
2215	<listitem>
2216	<para>GUI: make sure the guest screen is resized after restoring a VM from a
2217	saved state if the host screen size changed</para>
2218	</listitem>
2219
2220	<listitem>
2221	<para>GUI: disabled SCROLL LED sync from HID LEDs synchronization
2222	(Mac OS X hosts only)</para>
2223	</listitem>
2224
2225	<listitem>
2226	<para>Webcam passthrough improvements including GUI support (see
2227	<xref linkend="webcam-passthrough" />)</para>
2228	</listitem>
2229
2230	<listitem>
2231	<para>Guest Control: implemented more <computeroutput>IGuestSession</computeroutput>
2232	methods</para>
2233	</listitem>
2234
2235	<listitem>
2236	<para>Guest Control: added support for deleting and renaming guest files + directories in
2237	VBoxManage</para>
2238	</listitem>
2239
2240	<listitem>
2241	<para>Guest Control: various bugfixes</para>
2242	</listitem>
2243
2244	<listitem>
2245	<para>API: incorrect handling of hardware UUID default value, resulting
2246	in an all zero DMI/SMBIOS UUID, which leads to Windows requesting
2247	re-activation (4.3 regression; bug #12244)</para>
2248	</listitem>
2249
2250	<listitem>
2251	<para>3D support: fixed crash on shutdown if 2D video acceleration is enabled
2252	(Mac OS X hosts only)</para>
2253	</listitem>
2254
2255	<listitem>
2256	<para>3D support: miscellaneous fixes</para>
2257	</listitem>
2258
2259	<listitem>
2260	<para>Storage: fixed detection of CD/DVD media when switching from an empty
2261	to a host drive with passthrough enabled</para>
2262	</listitem>
2263
2264	<listitem>
2265	<para>Storage: fixed hang of the VM process when the disk is full under certain
2266	circumstances</para>
2267	</listitem>
2268
2269	<listitem>
2270	<para>NAT: listen for changes of NAT Network setting at runtime</para>
2271	</listitem>
2272
2273	<listitem>
2274	<para>NAT: NAT Network DHCP server now saves leases to a persistent
2275	storage</para>
2276	</listitem>
2277
2278	<listitem>
2279	<para>Main: monitor changes in host DNS configuration</para>
2280	</listitem>
2281
2282	<listitem>
2283	<para>Mac OS X host: reworked a mechanism of adding a VM desktop alias
2284	from the VM selector</para>
2285	</listitem>
2286
2287	<listitem>
2288	<para>Mac OS X installer: remove old kernel extensions during upgrade
2289	(bug #12258)</para>
2290	</listitem>
2291
2292	<listitem>
2293	<para>Linux Additions: correctly set umask before installing
2294	(bug #12166)</para>
2295	</listitem>
2296
2297	<listitem>
2298	<para>X11 Additions/3D: fix freezes starting 3D desktop (bug #11503,
2299	thank you Sam Spilsbury)</para>
2300	</listitem>
2301
2302	<listitem>
2303	<para>X11 Additions/3D: fix depth buffer support (bug #11905)</para>
2304	</listitem>
2305
2306	<listitem>
2307	<para>X11 Additions/3D: fix Age Of Empires 3 rendering (bug #11331)</para>
2308	</listitem>
2309
2310	<listitem>
2311	<para>Windows Additions/3D: fix Google Earth plugin rendering</para>
2312	</listitem>
2313
2314	<listitem>
2315	<para>Windows Additions/WDDM: autoresize fixes</para>
2316	</listitem>
2317
2318	</itemizedlist>
2319	</sect1>
2320
2321	<sect1>
2322	<title>Version 4.3.0 (2013-10-15)</title>
2323
2324	<para>This is a major update. The following major new features
2325	were added:</para>
2326
2327	<itemizedlist>
2328
2329	<listitem>
2330	<para>VMM: major rewrite of the VT-x code and the AMD-V code including
2331	many bug fixes and performance improvements (for example bug #9659)</para>
2332	</listitem>
2333
2334	<listitem>
2335	<para>VMM: introduced a lightweight instruction interpreter for
2336	situations not handled by hardware virtualization</para>
2337	</listitem>
2338
2339	<listitem>
2340	<para>GUI: extended messaging mechanism (new non-modal popup overlays
2341	used to show non-critical warnings and provide user with additional information)</para>
2342	</listitem>
2343
2344	<listitem>
2345	<para>GUI: keyboard shortcuts management (input page of global preferences
2346	extended with possibility to edit general keyboard shortcuts for
2347	VirtualBox Manager and Virtual Machine)</para>
2348	</listitem>
2349
2350	<listitem>
2351	<para>GUI: video capturing support (bug #4766)</para>
2352	</listitem>
2353
2354	<listitem>
2355	<para>Added USB touch device emulation</para>
2356	</listitem>
2357
2358	<listitem>
2359	<para>Added experimental support for webcam passthrough
2360	complementing USB passthrough (see <xref linkend="webcam-passthrough" />)</para>
2361	</listitem>
2362
2363	<listitem>
2364	<para>Added SCSI CD-ROM emulation, including boot support</para>
2365	</listitem>
2366
2367	<listitem>
2368	<para>VRDP: support for IPv6</para>
2369	</listitem>
2370
2371	<listitem>
2372	<para>Guest Control: guest sessions now are running in dedicated, impersonated
2373	session processes (needs at least Guest Additions 4.3 installed)</para>
2374	</listitem>
2375
2376	<listitem>
2377	<para>Guest Control: implemented <computeroutput>IGuestFile</computeroutput>
2378	support</para>
2379	</listitem>
2380
2381	<listitem>
2382	<para>NAT: experimental virtual router mode: several VMs are
2383	attached to the same internal network and share one NAT
2384	service (see <xref linkend="network_nat_service" />)
2385	</para>
2386	</listitem>
2387
2388	</itemizedlist>
2389
2390	<para>In addition, the following items were fixed and/or added:</para>
2391
2392	<itemizedlist>
2393
2394	<listitem>
2395	<para>VMM: significantly improved performance of NetWare 5.x/6.x
2396	guests on host systems without nested paging support</para>
2397	</listitem>
2398
2399	<listitem>
2400	<para>VMM: fixed losing host NMIs while in VT-x guest-context</para>
2401	</listitem>
2402
2403	<listitem>
2404	<para>VMM: changed order of actions in emulated task switch
2405	(bug #10532)</para>
2406	</listitem>
2407
2408	<listitem>
2409	<para>VMM: allow to activate VT-x while in SMX mode and provide more
2410	information if that is not possible</para>
2411	</listitem>
2412
2413	<listitem>
2414	<para>GUI: update check uses https</para>
2415	</listitem>
2416
2417	<listitem>
2418	<para>GUI: numerous minor internal cleanups and bug fixes</para>
2419	</listitem>
2420
2421	<listitem>
2422	<para>GUI: HID LEDs synchronization when switching between guest window(s)
2423	and host (Mac OS X hosts only)</para>
2424	</listitem>
2425
2426	<listitem>
2427	<para>GUI, VBoxManage: when unregistering a VM, also unregister the
2428	hard disk images which are used exclusively (bug #10311)</para>
2429	</listitem>
2430
2431	<listitem>
2432	<para>GUI: use the number of physical presented processor cores instead of
2433	the number of logical processor cores to check if the users assigned
2434	too many virtual CPUs to the guest</para>
2435	</listitem>
2436
2437	<listitem>
2438	<para>Snapshots: made live snapshots work again (bug #9255)</para>
2439	</listitem>
2440
2441	<listitem>
2442	<para>Teleportation: made it work again (bug #9455)</para>
2443	</listitem>
2444
2445	<listitem>
2446	<para>Storage: implemented AHA-154x compatibility mode in the
2447	emulated BusLogic SCSI HBA</para>
2448	</listitem>
2449
2450	<listitem>
2451	<para>Storage: significantly improved performance of large ATAPI PIO
2452	transfers (BeOS, Minix 3 guests affected)</para>
2453	</listitem>
2454
2455	<listitem>
2456	<para>Storage: added floppy formatting emulation (NB: cannot be used
2457	to change existing media geometry)
2458	</para>
2459	</listitem>
2460
2461	<listitem>
2462	<para>Settings: global and per-VM default frontend configuration,
2463	useful to select the use of alternative VM frontends</para>
2464	</listitem>
2465
2466	<listitem>
2467	<para>Settings: limit depth of snapshot tree to 250 levels, as more
2468	will lead to decreased performance and may trigger crashes</para>
2469	</listitem>
2470
2471	<listitem>
2472	<para>Settings: the per-VM hwvirtextexcl setting has been replaced
2473	by a global hwvirtexclusive property</para>
2474	</listitem>
2475
2476	<listitem>
2477	<para>Main: new event queue implementation which does not use the host's
2478	native event queue for processing VirtualBox events anymore</para>
2479	</listitem>
2480
2481	<listitem>
2482	<para>Main: eliminate the use of SysV semaphores on all host OSes
2483	other than Windows, namely Linux, Solaris and Mac OS X, with the
2484	consequence that no system reconfiguration is needed to run more
2485	than approximately 100 VMs</para>
2486	</listitem>
2487
2488	<listitem>
2489	<para>Main: use the XDG standard configuration folder instead of
2490	.VirtualBox on systems where it is appropriate (bug #5099)</para>
2491	</listitem>
2492
2493	<listitem>
2494	<para>Main: extension pack framework can now support loading HGCM
2495	modules, contributed by Jeff Westphal</para>
2496	</listitem>
2497
2498	<listitem>
2499	<para>VBoxManage: list more information about hard disk/DVD/floppy
2500	media, and support the <computeroutput>--long</computeroutput>
2501	option to show really all available details</para>
2502	</listitem>
2503
2504	<listitem>
2505	<para>VBoxManage: added support for optional command line parameters for
2506	the automatic Guest Additions update</para>
2507	</listitem>
2508
2509	<listitem>
2510	<para>VBoxManage: added support for listing active guest sessions, guest
2511	processes and/or guest files via
2512	<computeroutput>guestcontrol list <all\|sessions\|processes\|files></computeroutput>
2513	</para>
2514	</listitem>
2515
2516	<listitem>
2517	<para>VBoxManage: added support for closing active guest sessions via
2518	<computeroutput>guestcontrol session close --session-id <ID>\|
2519	--session-name <name or pattern>\|--all</computeroutput>
2520	</para>
2521	</listitem>
2522
2523	<listitem>
2524	<para>VBoxManage: added support for terminating active guest processes via
2525	<computeroutput>guestcontrol process kill\|close\|terminate --session-id <ID>\|
2526	--session-name <name or pattern> <PID> ... <PID n></computeroutput>
2527	or
2528	<computeroutput>guestcontrol [p[s]]kill --session-id <ID>\|
2529	--session-name <name or pattern> <PID> ... <PID n></computeroutput>
2530	</para>
2531	</listitem>
2532
2533	<listitem>
2534	<para>VBoxManage: added support for watching guest sessions via
2535	<computeroutput>guestcontrol watch</computeroutput>
2536	</para>
2537	</listitem>
2538
2539	<listitem>
2540	<para>VBoxManage: added <computeroutput>modifyvm --triplefaultreset</computeroutput>
2541	to make the VM reset on triple fault instead of triggering a Guru Meditation
2542	(see <xref linkend="vboxmanage-modifyvm"/>)</para>
2543	</listitem>
2544
2545	<listitem>
2546	<para>3D support: several fixes</para>
2547	</listitem>
2548
2549	<listitem>
2550	<para>3D support: several fixes for Mac OS X hosts</para>
2551	</listitem>
2552
2553	<listitem>
2554	<para>OVF: several fixes</para>
2555	</listitem>
2556
2557	<listitem>
2558	<para>Extpack Installer: make it work if the file is located in a folder with
2559	special characters</para>
2560	</listitem>
2561
2562	<listitem>
2563	<para>Keyboard: fix for reporting key sequences like Ctrl+Alt+Del
2564	for the USB keyboard emulation</para>
2565	</listitem>
2566
2567	<listitem>
2568	<para>Shared Clipboard/X11: support for BMP-format images, contributed
2569	by François Revol</para>
2570	</listitem>
2571
2572	<listitem>
2573	<para>Mac OS X hosts: limited support for Mac OS X 10.9 (Mavericks)</para>
2574	</listitem>
2575
2576	<listitem>
2577	<para>Mac OS X hosts: use a launchd script instead of the deprecated
2578	StartupItem mechanism (bug #8940)</para>
2579	</listitem>
2580
2581	<listitem>
2582	<para>Windows hosts: don't cause massive DPC latency (only on certain
2583	hosts; still needs improving; bug #6242)</para>
2584	</listitem>
2585
2586	<listitem>
2587	<para>Windows hosts: consider symlinks when retrieving volume information
2588	(bug #11962)</para>
2589	</listitem>
2590
2591	<listitem>
2592	<para>Windows hosts: fixed an issue with USB2 devices being inaccessible
2593	when plugged into USB 3.0 ports</para>
2594	</listitem>
2595
2596	<listitem>
2597	<para>Windows Additions: fixed misbehavior with guest display
2598	power management (WDDM driver only; bug #11170)</para>
2599	</listitem>
2600
2601	<listitem>
2602	<para>Windows Additions: fixed memory leak caused by WTSQuerySessionInformation()
2603	on Windows 2000 guests (bug #12072)</para>
2604	</listitem>
2605
2606	<listitem>
2607	<para>Windows Additions: ability to track guest user idle times through
2608	the newly introduced event <emphasis>IGuestUserStateChangedEvent</emphasis></para>
2609	</listitem>
2610
2611	<listitem>
2612	<para>Linux Additions: fixed udev detection in the init script
2613	with Linux 3.x kernels</para>
2614	</listitem>
2615
2616	</itemizedlist>
2617
2618	</sect1>
2619
2620	</chapter>
2621

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