OBS Studio 31.0

Important Notices

• NVIDIA Kepler (600 and 700 series) GPUs are no longer supported for NVENC.
• NVIDIA users may need to update their GPU drivers to 551.76 (Windows) / 550.54.14 (Linux) or newer.
• 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.

31.0 New Features

• Added NVIDIA Blur Filter and Background Blur
• Added preview scrollbars and zoom/scale indicator
• Added v210 format support for AJA device capture
• Added Amazon IVS service integration
• Added QSV AV1 Screen Content Coding
• Enabled first-party YouTube Chat features

31.0 Changes

• Updated the browser source/docks CEF (Chromium) to version 127 (6533) on all platforms
• Changed scene items to use relative coordinates
• Existing scene collections will be automatically converted to use relative coordinates if the scene collection has a known output resolution set.
• Split NVIDIA Audio Effects from Noise Suppression
• Existing filters will be automatically migrated.
• Changed the Image Slideshow's Playback Mode property from radio buttons to a dropdown
• Disabled the (currently unsupported) built-in Automatic Scene Switcher when using Wayland on Linux
• Improved error messages for macOS Virtual Camera
• Changed Display and Window capture on Windows to not capture the first found display or window
• Changed display and window capture on Linux to not capture implicitly
• Added a warning to Window Capture when trying to capture WinUI 3 applications with BitBlt
• Refactored the NVENC implementation with various improvements
• SDK 12.2 features, such as split encoding, are now supported.
• Additional features from old SDKs are supported:
• B-Frames as reference
• Target Quality VBR mode (CQVBR)
• A custom options field has been added to allow setting more options that don't warrant their own UI elements.
• Improved screensaver inhibit functions on Linux in Flatpak
• Changed scripts to correctly pass settings to modified callbacks on reload
• Removed legacy QSV code for old devices (Haswell or older)
• Removed legacy QSV code for Windows 7
• Removed default desktop audio device on macOS 13+
• Removed NVIDIA Kepler GPU support for NVENC
• Removed FTL support
• Removed legacy migrations from OBS Studio 28.1 and earlier
• If updating from these older versions, you may wish to update to OBS Studio 30.2 first, and then update to OBS Studio 31.
• Removed support for Ubuntu 22.04
• Removed legacy YouTube chat
• Blocked TikTok Virtual Camera from loading in OBS due to known issues
• Application settings have been split into "app" configuration and "user" configuration, rather than storing everything in global.ini

31.0 Bug Fixes

• Fixed two crashes with the QSV encoder on Linux
• Fixed a crash with a race condition involving multitrack video output reconnect
• Fixed two potential crashes in Linux Window Capture
• Fixed a crash on macOS that could occur if an audio device was disconnected
• Fixed a crash on Windows when capturing D3D12 games
• Fixed a crash on Linux when importing a scene collection created on Windows
• Fixed a crash on Windows when capturing a Vulkan application
• Fixed a deadlock in MP4 muxer
• Fixed a deadlock when shutting down muxer
• Fixed a potential deadlock when stopping an encoder
• Fixed a potential memory error and crash in text parser
• Fixed a couple minor memory leaks
• Fixed a memory leak in PipeWire plugin
• Fixed a memory leak when playing an HDR media file
• Fixed an issue on FreeBSD with handling SSL certificates
• Fixed an issue with pressed button color in the Rachni theme
• Fixed an issue with some missing icons in the System theme
• Fixed an SRT listener bug where the socket was not closed properly
• Fixed an issue where the current scene collection could be erased to default when trying to switch to a different scene collection that's corrupted or invalid
• Fixed a buffer overrun in UTF-8 text conversion
• Fixed an issue that could cause bitrate spikes in QSV CBR
• Note: This fix only applies to Lunar Lake or newer except Alder Lake N.
• Fixed an issue where the Auto Configuration Wizard could unintentionally enable Enhanced Broadcasting
• Fixed issues with the audio clipping indicators displaying incorrectly on volume meters
• Fixed an issue causing hotkeys to register inconsistently on macOS
• Fixed an issue causing multitrack video output to fail if color format was set to I444
• Fixed an issue where Custom CSS in browser sources no longer worked with certain websites (namely YouTube chat)
• Restored STUN support for WHIP output