OBS Studio 31.1.2

[!IMPORTANT] The code signing certificate for OBS has been updated. This may impact game capture compatibility with some anti-cheat solutions with this OBS update. If you are a game or anti-cheat developer please see https://obsproject.com/kb/capture-hook-certificate-update for more information.

31.1.2 Hotfix Changes

• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 causing Multitrack Video to set the Maximum Video Tracks to 10 if the user had set it to “Auto” [dsaedtler]
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 causing Browser Source hardware acceleration to fail in the Flatpak version [reitowo/tytan652]
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 where progress bars were styled incorrectly [Warchamp7]
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 where spacing around scrollbars was incorrect [Warchamp7]
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 where Decklink Output did not work [CyBeRoni]
• Fixed a freeze in OBS Studio 31.1.0 and 31.1.1 on Linux when using PipeWire capture with explicit sync [YaLTeR]
• Fixed an issue where Video Capture Devices on Linux could unexpectedly stop capturing video [JiangXsong]
• Fixed an issue with PipeWire capture on Linux where video filters could cause gamma shift [tytan652]
  • This was done by reverting a fix for white-tinted PipeWire captures in 10-bit or 16-bit color formats, so that issue will return for now.

31.1.1 Hotfix Changes

• Fixed a crash when using YouTube browser docks [Warchamp7]
• Fixed an issue causing RTMPS streams to fail in some cases [RytoEX]
• Fixed an issue causing Media Sources ingesting SRT streams to fail in some cases [RytoEX]
• Fixed an issue causing Browser Source hardware acceleration to fail on Linux [reitowo/tytan652]

31.1 New Features

• Added support for Windows on Arm (WoA) [thirumalai-qcom/PatTheMav/RytoEX]
  • Builds for WoA are not fully featured and should be considered experimental
  • For more information, see: https://obsproject.com/kb/windows-on-arm
• Added new UI appearance options, font size and density (padding/spacing) [Warchamp7]
• Added preview zoom controls [cg2121/Warchamp7]
• Added support for Multitrack Video to macOS (Apple Silicon) [dsaedtler]
• Added support for Multitrack Video to Linux [lexano-ivs]
• Added support for additional canvases for Multitrack Video output [dsaedtler]
• Added AV1 B-frame support for AMF [rhutsAMD]
• Added support for color format/space/range GPU conversion [dsaedtler]
• Added support for network optimizations and TCP Pacing to Multitrack Video [lexano-ivs]
• Added support for Stream Delay to Multitrack Video [lexano-ivs]
• Added Spatial AQ option for VideoToolbox encoders on macOS 15+ [dsaedtler]
• Added QVBR rate control for VA-API [nowrep]
• Added explicit sync support for PipeWire Screen Capture [dkorkmazturk]
• Added support for V4L2 virtual camera on non-Linux environments (e.g., BSD) [yurivict]
• Added support for hardware accelerated browser source to Linux [tytan652]
  • The feature is disabled on NVIDIA GPUs due to feature-support inconsistencies across model series and driver series

31.1 Changes

• Updated game capture hook signatures on Windows [derrod]
  • This update fixes game capture with games from Riot Games that use Vanguard
• Added logging for streaming service recommended settings [prgmitchell]
• Adjusted appearance of Scene Collection importer [Warchamp7]
• Adjusted appearance of Sources list [Warchamp7]
• Adjusted appearance of dock toolbars [Warchamp7]
• Adjusted Missing Files dialog [Warchamp7]
  • Added support for recursive directory searches up to two levels deep
  • Adjusted the size, layout, and other UI aspects of the dialog
  • Fixed a bug when locating only a single file that caused the additional files prompt to appear twice
• Reorganized Preview/Source context menu [Warchamp7]
• Unified appearance of menus [Warchamp7]
• Improved preview draw performance [Lain-B]
• Increased maximum crash report size to 200 KB [WizardCM]
• Adjusted Multitrack Video reconnection behavior [dsaedtler]
• Changed hotkeys on macOS to require Input Monitoring permission instead of Accessibility [gxalpha]
• Updated Video Capture Devices and Capture Card Devices on macOS to a unified list-based format selector when not using a preset [jcm93/PatTheMav/Warchamp7]
• Removed the Exit button from the Controls dock [Warchamp7]

31.1 Bug Fixes

• Fixed a crash with Media Sources with no video frame size, such as audio files [RytoEX/jeiea]
• Fixed a crash on Windows with Display Capture if no display is available [RytoEX]
• Fixed a crash on Windows with Vulkan Direct Display if OBS Studio is installed [mbechard]
• Fixed a crash on Windows when importing a profile with a Unicode path [PatTheMav]
• Fixed a crash on macOS 13 or older when a Browser Source or Browser Dock was added or loaded [jcm93/PatTheMav/RytoEX]
• Fixed a race condition that caused subsequent recordings to fail/hang after an encoder timeout [derrod]
• Fixed a freeze if an item was cropped further than its original dimensions [Lain-B]
• Fixed a possible crash in Multitrack Video output [lexano-ivs]
• Fixed a possible crash when reordering scene items [zavitax]
• Fixed a possible crash when adding a procedure handler [norihiro]
• Fixed a possible crash on shutdown from browser panels on Windows and macOS [WizardCM]
• Fixed a possible race condition when loading sources [Lain-B]
• Fixed a possible deadlock on Linux when checking if plugins were built against Qt5 [norihiro]
• Fixed an issue with Rescale Output allowing invalid resolutions [flaeri]
• Fixed an issue with browser source audio distortion on Windows [xtfo]
• Fixed a possible packet loss issue with WebRTC output [Sean-Der]
• Fixed R10L format output having bad RGB values [jpark37]
• Fixed lookahead depth value logging for NVENC [DeeDeeG]
• Fixed manifest commit hash comparison in updater [dsaedtler]
• Fixed CBR spike when using QSV with Intel Battlemage GPUs [thyintel]
• Fixed encoder throughput checks in AMF for older AMD drivers [rhutsAMD]
• Fixed 10-bit and 16-bit PipeWire captures [PancakeTAS]
• Fixed text input field in name dialogs (New/Rename/Duplicate) not being focused by default [Warchamp7]
• Fixed some buttons not being readable by VoiceOver on macOS [gxalpha]
• Fixed V4L2 virtual camera start failure on Linux [stephematician]
• Fixed an issue with AMF where the encoder level was incorrectly set too high [lexano-ivs]
• Fixed an issue with VA-API on AMD in Flatpak builds where the frame height was set incorrectly [lexano-ivs]
• Fixed an issue where the game capture hook could incorrectly report that it was still hooked [EZ64cool]
• Fixed an issue on Linux and macOS where POSIX pipes could fail silently [franga2000]
• Fixed an issue with V4L2 devices where corrupted frames would terminate capture [JiangXsong]
• Fixed an issue where settings could become corrupted when updating them in the AJA plugin [norihiro]
• Fixed an issue with Multitrack Video where a stream would disconnect after 48 hours and fail to reconnect [dsaedtler]
• Fixed an issue on Linux where hotkeys could stop working [norihiro]
• Fixed an issue where FLV/RTMP timestamps were incorrect when b-frames are used [dsaedtler]
• Fixed an issue where obs-browser cookie folder names could start with spaces [RytoEX]
• Fixed an issue where browser error pages could not scroll [WizardCM]
• Fixed an issue on macOS where menu items would launch unintended actions when OBS was set to certain languages [gxalpha]

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