OBS Studio 31.0.0 (64-bit)

What's new in this version:

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

Changed:
- 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

Fixed:
- 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