= Changelog for VirtualBox 5.2 = This page lists all changes of the !VirtualBox 5.2 '''[wiki:Downloads]'''.[[BR]] All branches: [wiki:Changelog 5.2] · [wiki:Changelog-5.1 5.1] · [wiki:Changelog-5.0 5.0] · [wiki:Changelog-4.3 4.3] · [wiki:Changelog-4.2 4.2] · [wiki:Changelog-4.1 4.1] · [wiki:Changelog-4.0 4.0] [=#v8] '''!VirtualBox 5.2.8''' (released 2018-02-27)[[BR]][[BR]] This is a maintenance release. The following items were fixed and/or added: * VMM: added support for FSGSBASE, PCID, INVPCID CPU features for guests * VMM: fixed EMM386 issue with detecting suitable page frame base (bug #10022) * Front end: Linux: prevent VM window from jumping and auto-resizing to tiny size after resizing it on HiDPI screen * Front end: Linux: fixed seamless regression caused by wm_class functionality (bugs #12534, #17304) * Front end: switched to https downloads * Front end: fixed crash while opening New machine wizard (s.a. forums topic 86592) * Audio: added support for distinguishing recording sources in the PulseAudio mixer on the host when multiple VMs are running * Audio: various fixes for the DirectSound backend * Video recording: added better file seeking support and fixed playback of recorded files with certain players (e.g. Firefox) * Audio: various fixes for Windows guest surround setups * Audio: various fixes for HDA emulation * Serial: fixed an issue where the serial port parameters in the emulation and host serial port got out of sync (bug #17116) * Storage: fixed overwriting certain INQUIRY data for the DVD/CD drive attached to a AHCI controller * Storage: fixed handling VMDK images created by Amazon EC2 VM export * Network: fixed PXE boot regression in e1000 * Network: Added a workaround for older guests which do not enable bus mastering for the virtio PCI device * 3D: add environment variable to configure presenting 3D content on main thread (see bug #13653) * Windows hosts: fixed indiscriminate binding of NDIS5 bridged driver, that caused PPPOE malfunction (bugs #16407, #17489) * Windows guests: fixed incorrect function error when using shared folders in certain applications (bug #14118) * Linux guests: Linux 4.15 support (bugs #17311, #17320, #17282) * Linux guests: fixed black screen when 3D enabled in guests (bug #17463, 5.2.6 regression) * Linux guests: suppress setuid and setgid in shared folders [=#v6] '''!VirtualBox 5.2.6''' (released 2018-01-15)[[BR]][[BR]] This is a maintenance release. The following items were fixed and/or added: * GUI: fixed occasional screen corruption when host screen resolutio n is changed * User interface: increase proposed disk size when creating new VMs for Windows 7 and newer * User interface: various improvements for high resolution screens * VMM: Fixed problems using 256MB VRAM in raw-mode VMs * Audio: implemented support for audio playback and recording for macOS guests * Audio: further timing improvements for Windows 10 guests * Linux hosts: fixed problem accessing mini-toolbar under XFCE (bug #17280, contributed by Dusan Gallo) [=#v4] '''!VirtualBox 5.2.4''' (released 2017-12-19)[[BR]][[BR]] This is a maintenance release. The following items were fixed and/or added: * User interface: Adjusting desktop file for X11 window managers (bug #17312) * User interface: various high resolution display adjustments * Audio: fixed SB16 volume handling (5.2 regression) * Audio: various fixes * USB/OHCI: fixed a problem where OHCI emulation might sporadically drop data transfers * Linux hosts: fixed screen corruption when the host screen changes and a virtual machine window is maximized * X11 Guest Additions: fixed a hang at the GNOME Shell login screen with 3D enabled (5.2 regression, bugs #17189 and #17190) [=#v2] '''!VirtualBox 5.2.2''' (released 2017-11-24)[[BR]][[BR]] This is a maintenance release. The following items were fixed and/or added: * User interface: various improvements for high resolution screens * User interface: added functionality to duplicate optical and floppy images * User interface: various improvements for the virtual media manager * VMM: fixed emulation so that Plan 9 guests can start once more (5.1.0 regression) * Storage: fixed regression breaking iSCSI (bug #17196) * Audio: added HDA support for more exotic guests (e.g. Haiku) * Serial: fixed hanging I/O when using named pipes on Windows (5.2.0 regression; bug #17227) * Serial: fixed broken communication with certain devices on Linux hosts * USB/OHCI: improved behavior so that the controller state after a VM reset is closer to the initial state after VM start * EFI: fixed HFS+ driver which in rare cases failed to access most files on a volume * Shared clipboard: fixed hang with OS X host and Linux guest (bug #15782) * Linux hosts: fixed kernel module compilation and start failures with Linux kernel 4.14 (bug #17267) * X11 hosts: better handle WM_CLASS setting (bug #12534) * Linux guests: fixed kernel module compilation and other problems with Linux kernel 4.14 (bug #12534) * Linux guests: fixed kernel module compilation and other problems with Linux kernel 4.14 * Linux guests: fixed various 5.2.0 regressions (bug #17163) * Bridged networking: fixed duplicate EtherType in VLAN/priority tags on Linux (5.2.0 regression; bug #17277) [=#v0] '''!VirtualBox 5.2.0''' (released 2017-10-18)[[BR]][[BR]] This is a major update. The following major new features were added: * VM export to Oracle Cloud (OPC) * Unattended guest installation (bug #5810; see the manual for more information) * Overhauled VM selector GUI (improved tools VM / global tools handling, new icons) * Added experimental audio support for video recording In addition, the following items were fixed and/or added: * VMM: fixed reason for recent Linux kernels on also recent CPU models warning about "XSAVE consistency problem" * GUI: Virtual Media Manager rework allowing to manage media attributes, like size, location, type and description * GUI: Host-only Network Manager implemented to simplify managing corresponding networks and their attributes * GUI: Snapshot Pane rework allowing to manage snapshot attributes, like name and description; reworked snapshot details which looks more clear, corresponds to VM Details pane and reflects current VM state difference according to last snapshot taken * GUI: Audio settings extended with possibility to enable/disable audio input/output; corresponding changed were done to Audio and Video Capture settings pages; VM Devices menu and status-bar extended with corresponding actions and indicator as well * GUI: improvements with accessibility support * GUI: Fixed double mouse cursor when using mouse integration without Guest Additions, actually a Qt 5.6 bug fixed with QT 5.6.3 (Mac OS X hosts only; bug #15610) * Audio: implemented (optional) device enumeration support for audio backends * Audio: implemented support for host device callbacks (e.g. when adding or removing an audio device) * Audio: HDA emulation now uses asynchronous data processing in separate threads * Audio: implemented ability to enable or disable audio input / output on-the-fly * Storage: implemented support for CUE/BIN images as CD/DVD media including multiple tracks * Storage: implemented support for the controller memory buffer feature for NVMe * Storage: first milestone of the I/O stack redesign landed * E1000: Fix for Windows XP freeze when booting with unplugged cable * NAT network: do not skip some port forwarding setup when multiple VMs are active (Windows hosts only; bug #17041) * Serial: fixed extremely rare misbehavior on VM poweroff * EFI: better video mode handling, supporting custom video modes and easier configuration (bug #6783) * BIOS: properly report floppy logical sectors per track for unusual formats * BIOS: update ATA disk parameter table vectors only if there is actually a corresponding ATA disk attached * PXE: speed up booting by better handling pending packets when the link is not up yet * VBoxManage: handle CPUID sub-leaf overrides better * Windows Additions: fix several 3D related crashes * Solaris hosts: allow increasing MTU size for host-only adapter to 9706 bytes to support jumbo frames * Linux Additions: on systems using systemd, make sure that only the Guest Additions timesync service is active * many unlisted fixes and improvements