OBS Studio 31.0.0 Beta 1

OBS Studio

OBS Studio is software designed for capturing, compositing, encoding, recording, and streaming video content, efficiently. It is the re-write of the widely used Open Broadcaster Software, to allow even more features and multi-platform support. OBS Studio supports multiple sources, including media files, games, web pages, application windows, webcams, your desktop, microphone and more.

OBS Studio Features:

High performance real time video/audio capturing and mixing, with unlimited scenes you can switch between seamlessly via custom transitions.
Live streaming to Twitch, YouTube, Periscope, Mixer, GoodGame, DailyMotion, Hitbox, VK and any other RTMP server
Filters for video sources such as image masking, color correction, chroma/color keying, and more.
x264, H.264 and AAC for your live streams and video recordings
Intel Quick Sync Video (QSV) and NVIDIA NVENC support
Intuitive audio mixer with per-source filters such as noise gate, noise suppression, and gain. Take full control with VST plugin support.
GPU-based game capture for high performance game streaming
Unlimited number of scenes and sources
Number of different and customizable transitions for when you switch between scenes
Hotkeys for almost any action such as start or stop your stream or recording, push-to-talk, fast mute of any audio source, show or hide any video source, switch between scenes,and much more
Live preview of any changes on your scenes and sources using Studio Mode before pushing them to your stream where your viewers will see those changes
DirectShow capture device support (webcams, capture cards, etc)
Powerful and easy to use configuration options. Add new Sources, duplicate existing ones, and adjust their properties effortlessly.
Streamlined Settings panel for quickly configuring your broadcasts and recordings. Switch between different profiles with ease.
Light and dark themes available to fit your environment.
…and many other features. For free. At all.

OBS Studio 31.0.0 Beta 1 new features:

Added NVIDIA Blur Filter and Background Blur [pkviet]
Added preview scrollbars and zoom/scale indicator [cg2121/Warchamp7]
Added v210 format support for AJA device capture [paulh-aja]
Added Amazon IVS service integration [palana]
Added QSV AV1 Screen Content Coding [thyintel]
Enabled first-party YouTube Chat features [msuman-google]

31.0 Changes

Updated the browser source/docks CEF (Chromium) to version 127 (6533) on all platforms [reitowo/WizardCM/PatTheMav/tytan652/pkviet/kkartaltepe/Lain-B]
Changed scene items to use relative coordinates [derrod]
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 [pkviet]
Existing filters will be automatically migrated.
Changed the Image Slideshow's Playback Mode property from radio buttons to a dropdown [derrod]
Disabled the (currently unsupported) built-in Automatic Scene Switcher when using Wayland on Linux [tytan652]
Improved error messages for macOS Virtual Camera [jcm93]
Changed Display and Window capture on Windows to not capture the first found display or window [Lain-B]
Changed display and window capture on Linux to not capture implicitly [Lain-B]
Added a warning to Window Capture when trying to capture WinUI 3 applications with BitBlt [qhy040404]
Refactored the NVENC implementation with various improvements [derrod]
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
Removed default desktop audio device on macOS 13+ [jcm93]
Removed NVIDIA Kepler GPU support for NVENC [derrod]
Removed FTL support [derrod]
Removed legacy migrations from OBS Studio 28.1 and earlier [derrod]
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 [derrod]
Application settings have been split into "app" configuration and "user" configuration, rather than storing everything in global.ini [PatTheMav]

31.0 Bug Fixes

Fixed two crashes with the QSV encoder on Linux [kkartaltepe]
Fixed a crash with a race condition involving multitrack video output reconnect [dsaedtler]
Fixed two potential crashes in Linux Window Capture [Lain-B]
Fixed a deadlock in MP4 muxer [derrod/notr1ch]
Fixed a deadlock when shutting down muxer [exeldro]
Fixed a potential deadlock when stopping an encoder [derrod]
Fixed a potential memory error and crash in text parser [fzwoch]
Fixed a couple minor memory leaks [pkviet]
Fixed a memory leak when playing an HDR media file [tt2468]
Fixed an SRT listener bug where the socket was not closed properly [pkviet]
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 [derrod]
Fixed a buffer overrun in UTF-8 text conversion [derrod]
Fixed an issue that could cause bitrate spikes in QSV CBR [thyintel]
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 [lexano-ivs]
Fixed issues with the audio clipping indicators displaying incorrectly on volume meters [norihiro]
Fixed various issues with Happy Eyeballs [notr1ch]
Fixed an issue causing hotkeys to register inconsistently on macOS [jcm93]
Fixed an issue causing multitrack video output to fail if color format was set to I444 [dsaedtler]
Fixed an issue where Custom CSS in browser sources no longer worked with certain websites (namely YouTube chat) [vvto33]
Restored STUN support for WHIP output [mondain]