OBS Studio 31.1

Important Notices

• 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 New Features

• Added new UI appearance options, font size and density (padding/spacing)
• Added preview zoom controls
• Added support for Multitrack Video to macOS (Apple Silicon)
• Added support for Multitrack Video to Linux
• Added support for additional canvases for Multitrack Video output
• Added AV1 B-frame support for AMF
• Added support for color format/space/range GPU conversion
• Added support for network optimizations and TCP Pacing to Multitrack Video
• Added support for Stream Delay to Multitrack Video
• Added Spatial AQ option for VideoToolbox encoders on macOS 15+
• Added QVBR rate control for VA-API
• Added explicit sync support for PipeWire Screen Capture
• Added support for V4L2 virtual camera on non-Linux environments (e.g., BSD)

31.1 Changes

• Updated game capture hook signatures on Windows
  • This update fixes game capture with games from Riot Games that use Vanguard

• Added logging for streaming service recommended settings
  • Adjusted appearance of Scene Collection importer
  • Adjusted appearance of Sources list
  • Adjusted appearance of dock toolbars

• Adjusted Missing Files dialog
• 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
• Unified appearance of menus
• Improved preview draw performance
• Increased maximum crash report size to 200 KB
• Adjusted Multitrack Video reconnection behavior
• Changed hotkeys on macOS to require Input Monitoring permission instead of Accessibility
• Updated Video Capture Devices and Capture Card Devices on macOS to a unified list-based format selector when not using a preset
• Removed the Exit button from the Controls dock

31.1 Bug Fixes

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