OBS Studio 31.0.1

New version available: OBS Studio 31.0.1

[!IMPORTANT]
NVIDIA Kepler (600 and 700 series) GPUs are no longer supported for NVENC.

[!NOTE]
NVIDIA users may need to update their GPU drivers to 551.76 (Windows) / 550.54.14 (Linux) or newer.

[!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.

31.0.1 Hotfix Changes

  • Fixed a crash on macOS caused by hand gesture reactions [gxalpha]
  • Fixed a crash caused by malformed scene collection files [PatTheMav]
  • Fixed a possible crash on Linux when initializing PipeWire screen sharing [tytan652]
  • Fixed a possible deadlock and freeze on macOS while exiting OBS [izwb003]
  • Fixed an issue with inhibiting screensaver on Linux [tytan652]
  • Fixed an issue where migrated NVIDIA Audio Effects filters would not retain their position in the filter order [pkviet]
  • Fixed an issue where Scene Collections could have an incorrect base resolution [derrod]
  • Fixed an issue on Linux with Portable Mode causing the config directory to be in the wrong location [Penwy]
  • Fixed an issue where an Image Slideshow Source set to Random Playback Mode would stop on the last image [derrod]
  • Fixed a missing string for an NVENC error message [derrod]
  • Changed NVENC to not permit invalid custom options [derrod]

31.0 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 [tytan652]
  • Changed scripts to correctly pass settings to modified callbacks on reload [Penwy]
  • Removed legacy QSV code for old devices (Haswell or older) [RytoEX]
  • Removed legacy QSV code for Windows 7 [RytoEX]
  • 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]
  • Removed legacy YouTube chat [gxalpha]
  • Blocked TikTok Virtual Camera from loading in OBS due to known issues [notr1ch]
  • 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 crash on macOS that could occur if an audio device was disconnected [jcm93]
  • Fixed a crash on Windows when capturing D3D12 games [confusionattack/Lain-B]
  • Fixed a crash on Linux when importing a scene collection created on Windows [SarenDev]
  • Fixed a crash on Windows when capturing a Vulkan application [Charlese2]
  • 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 in PipeWire plugin [dimtpap]
  • Fixed a memory leak when playing an HDR media file [tt2468]
  • Fixed an issue on FreeBSD with handling SSL certificates [emaste]
  • Fixed an issue with pressed button color in the Rachni theme [shiina424]
  • Fixed an issue with some missing icons in the System theme [shiina424]
  • 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 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]

Checksums

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OBS-Studio-31.0.1-Ubuntu-24.04-x86_64-dbsym.ddeb: af502d8a21f2cf0b83cc3ef53f14fc56b377c52ff18d461d1f711e87b45d5b8b
OBS-Studio-31.0.1-Ubuntu-24.04-x86_64.deb: 211d29dd00b6f9eadea8d52de112d849ebda9f6b2da93bd581b02abd70cad75d
OBS-Studio-31.0.1-Windows-Installer.exe: f231dde4916718956b28eb658a45d8d58e2cf60d0d50f4710099f30f51064e7e
OBS-Studio-31.0.1-Windows-PDBs.zip: 9bdcd1a058b9e6f02104b70b4c0917a9c80ac4e09641e8ef5161bb2b94174a1d
OBS-Studio-31.0.1-Windows.zip: e0904d3ec15b26f34053fdf5f120b578eec76a57b1cd51a22903b4ac42887f3f
OBS-Studio-31.0.1-macOS-Apple-dSYMs.tar.xz: 6e8a9926e70118090844cf99f036f2024d3eb0b5dabb1166bd613755c6a5f66d
OBS-Studio-31.0.1-macOS-Apple.dmg: d76a5ad96a5169c77b068ea5d4f315ed6a83c7c66471a86a24f8fe8e4440ffe4
OBS-Studio-31.0.1-macOS-Intel-dSYMs.tar.xz: cc7abf549298f6d1ebca6a0ca2cfc6d379de3d6b8c9b91b862607de5f658e30d
OBS-Studio-31.0.1-macOS-Intel.dmg: a0481a78b394785d51aea89791e91d5f99a501c03b1bb053cfca032c9bf5387e