OBS Studio news & patch notes

32.0.1 Hotfix Changes

• Fixed a possible crash in 32.0.0 on Windows when opening source properties
• Fixed an issue in 32.0.0 where browser sources would break after switching scenes
  • This issue may also have caused increased resource usage.
• Fixed an issue in 32.0.0 with the audio deduplication logic when an Audio Capture Source device is also used for monitoring
• Fixed an issue in 32.0.0 where Multitrack Video settings were unavailable to Custom Services

New Features

• Added a basic plugin manager
• Added opt-in automatic crash log upload for Windows and macOS
• Added Voice Activity Detection (VAD) to NVIDIA RTX Audio Effects,which improves noise suppression for speech, as well as severaloptimizations to NVIDIA Effects
• Added chair removal option for NVIDIA RTX Background Removal,allowing removal of chairs
• Added experimental Metal renderer for Apple Silicon Macs
• Added Hybrid MOV support
  • Brings ProRes support on macOS and a more widely supportedHEVC/H.264 + PCM audio option to all platforms

Changes

• OBS Studio will no longer load plugins built for a newer release ofOBS to prevent future compatibility issues
• Added custom OBS widgets in preparation for larger UI updates
• Added preparations for Metal renderer (stay tuned!)
• Changed default bitrate from 2500 to 6000 Kbps
• Changed Hybrid MP4/MOV to be the default containers
• Changed the crash sentinel file location to its own subdirectory
• Improved audio deduplication logic to cover more cases of nestedscenes, groups, and multiple canvases
• Prevent audio duplication when sources are set to "Monitor andOutput" while the monitoring device is also being captured
• Updated the default settings for AMD encoders
• Improved accuracy of chapter markers in Hybrid MP4/MOV
• Re-hid the cursor in edit fields on macOS
• Improved format selection for PipeWire video capture
• Removed workarounds to prevent loading Qt 5 based plugins
• Removed the --disable-shutdown-check launch flag
• Hybrid MP4/MOV is now out of beta and has been made the defaultoutput format for new profiles

Bug Fixes

• Potentially fixed a rare crash on macOS when moving or resizing theOBS window
• Fixed a crash with SRT when using an invalid URL
• Fixed a crash when setting non-default pkt_size with SRT
• Fixed a crash in Media Source when playback starts with certainvideo files
• Fixed a UI deadlock when opening source properties from the Sourceslist when the Windows setting 'Snap mouse to default button in dialogboxes' was enabled by adding a 200ms delay before creating theproperties window
• Fixed a memory leak when trying to output Hybrid MP4 to anon-writeable location
• Fixed rare occurrence of multiview becoming blank
• Fixed SRT reconnection failures
• Fixed overflow texture rendering sRGB-awareness
• Fixed incorrect color range property setting for AMD AV1 encoder
• Fixed Hybrid MP4 file splitting not working correctly in some cases
• Fixed not being able to capture higher than 60fps with macOS ScreenCapture
• Fixed focus not displaying properly in hotkey settings on macOS
• Fixed the scrollbar appearing invisible in Light and Rachni themes
• Fixed HEVC frame priority not being set correctly in some cases,potentially causing playback errors when dropping frames
• Fixed an issue that could result in increases to output latencyafter temporary encoder stalls
• Fixed an issue where Multitrack Video could still be enabled afterswitching from a service that supports it to one that does not
• Fixed an issue where GetGroupList with obs-websocket would returnnothing
• Removed a workaround for older Qt versions that prevented docks fromloading correctly while OBS is maximized

• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 causing Multitrack Video to set the Maximum Video Tracks to 10 if the user had set it to "Auto"
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 causing Browser Source hardware acceleration to fail in the Flatpak version
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 where progress bars were styled incorrectly
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 where spacing around scrollbars was incorrect
• Fixed an issue in OBS Studio 31.1.0 and 31.1.1 where Decklink Output did not work
• Fixed a freeze in OBS Studio 31.1.0 and 31.1.1 on Linux when using PipeWire capture with explicit sync
• Fixed an issue where Video Capture Devices on Linux could unexpectedly stop capturing video
• Fixed an issue with PipeWire capture on Linux where video filters could cause gamma shift
• This was done by reverting a fix for white-tinted PipeWire captures in 10-bit or 16-bit color formats, so that issue will return for now.

• Fixed a crash when using YouTube browser docks
• Fixed an issue causing RTMPS streams to fail in some cases
• Fixed an issue causing Media Sources ingesting SRT streams to fail in some cases
• Fixed an issue causing Browser Source hardware acceleration to fail on Linux

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

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

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

• Fixed a possible deadlock when using Hybrid MP4
• Fixed a possible deadlock when closing OBS while outputs are active
• Fixed a possible crash when connecting to an RTMP server
• Fixed a possible RTMP disconnect/timeout on Windows systems without IPv6 connectivity when connecting to a dual-stack RTMP server
• Fixed browser source custom CSS injection for sites with 'require-trusted-types-for' CSP (e.g., YouTube)
• Adjusted IPv4/IPv6 address selection to be stricter
• Fixed a memory leak with the volume sliders

• Fixed a possible crash when loading scene data
• Fixed an issue with CoreAudio AAC timestamps causing a stream to fail
• Fixed an issue with obs-websocket not reading Virtual Camera availability correctly
• Fixed an issue with obs-websocket settings not saving correctly
• Fixed an issue causing the legacy AMF encoder to no longer be available after updating OBS
• Fixed an issue where attempting to run OBS with the OpenGL renderer on Windows would fail
• Fixed read-only QTextEdit background color
• Fixed source tree icon spacing
• Adjusted sizing of Classic audio meter elements [Warchamp7

30.2 New Features

• Added support for Multitrack Video streaming
  • On Twitch, this is known as Enhanced Broadcasting. For more information, see: https://help.twitch.tv/s/article/multiple-encodes
  • The supported audio channel configurations are stereo or mono.
  • This feature is currently only available on Windows and requires an NVIDIA GTX 900, GTX 10, or RTX 20 series GPU or newer or an AMD RX 6000 series GPU or newer. Support for other operating systems and GPU vendors is planned.
  • When this feature is enabled, the following data about your system will be sent to the streaming service when starting a stream:
    • OBS version and audio/video settings (Resolution, framerate, audio channels/tracks)
    • CPU info (Name, speed, core counts)
    • GPU info (Model, memory, driver version, device ID, vendor ID)
    • Memory info (Free, total)
    • OS info (name, version, arch, emulation)
      • Windows info (Gaming feature status: Game Bar, Game DVR, Game Mode, Hardware-accelerated GPU Scheduling)
    • Multitrack Video settings (Maximum streaming bandwidth, maximum video tracks)
• Added support for Enhanced RTMP/FLV multi-track audio and video
  • Replaces the old metadata-based "VOD Track"
• Added "Hybrid MP4" output format (BETA)
  • Combines fault-tolerance of fragmented MP4 with wide compatibility and faster access times of regular MP4. For more information, see: https://obsproject.com/kb/hybrid-mp4
  • Supports inserting chapter markers into the file via a hotkey or API. These markers are supported by most video players and editing software, such as DaVinci Resolve
• Added Linux support to the native NVENC encoder
  • NVENC AV1 is now supported on Linux
• Added Linux shared texture support to the NVENC encoder
• Added Linux shared texture support to the QuickSync encoder
• Added Linux shared texture support to the VA-API encoder
• Added HEVC support to WebRTC output
• Added Composable Themes system to simplify theme creation, maintenance, and enable future customization options
  • Themes now consist of a base theme and variants that can be switched between in the new "Appearance" settings tab
  • Old themes will no longer work and will need to be updated to the new system. See the wiki page for details: https://github.com/obsproject/obs-studio/wiki/OBS-Studio-Theme-System
  • The legacy System theme is no longer available. If it was used for accessibility reasons with high contrast, enable high contrast in your operating system settings to re-enable the OBS System Theme. OBS can only detect high contrast on Windows and macOS at this time.

30.2 Changes

• Various UI and Theme tweaks
• Audio of multiple instances of a source in a scene/group is now deduplicated
  • Deduplication is recursive, but does not apply on groups or nested scenes that are currently playing show/hide transitions, this may be fixed in the future
• Scene Collection specific plugin data is now retained for plugins that are not currently loaded
• Closed-captions are now supported for HEVC and AV1
• Qt Fusion style is now always enforced on Linux
• Combined PipeWire window/display capture into unified "Screen Capture" source to align with other platforms
  • Renamed "Screen Capture (XSHM)" as "Display Capture (XSHM)" for consistency with other capture sources
• Set default recording format on macOS to fragmented MOV
• Improved freetype2 text source performance
• File open dialogs now start in the directory of the currently selected file, rather than the default
• Moved warnings in advanced output to bottom of settings window for better visibility
• Various performance improvements for texture encoding
• Prioritize NVDEC decoder on NVIDIA systems
• Support NVDEC decoder for encoded DirectShow sources
• Replaced non-texture NVENC FFmpeg fallback with native implementation
• Log now includes all available encoders
• Reset duration of scene item show/hide transitions when removing the transitions
• Adjusted appearance of volume meters
• Adjusted appearance of multiview borders and labels
• Added support for audio-only and video-only WHIP outputs
• Changed default container in non-macOS OBS Beta builds from Fragmented MP4 to Hybrid MP4

30.2 Bug Fixes

• Fixed packet priority not being set for some AV1 encoders, resulting in outputs never recovering from dropping frames
• Fixed various issues with audio channel layouts in (remuxed) recordings
• Fixed various issues with the native FLV muxer
• Fixed various issues with the RTMP protocol implementation
• Fixed minor errors in HEVC and AVC decoder configuration records
• Fixed change discard confirmation dialog popping up twice when closing source properties
• Fixed QSV AV1 on multi-GPU systems
• Fixed FFmpeg output erroneously checking disk space when not writing to a file
• Fixed auto-config wizard not working without a stream key
• Fixed text alignment with extents
• Fixed encoder properties having nested scroll areas in output settings
• Fixed crash if input video resolution changes when using hardware-accelerated decoding
• Fixed button text being cut off in controls dock
• Fixed undo action for filters showing UUID instead of name
• Fixed not all eligible Patreon supporters being shown in the "About" dialogue
• Fixed copy-pasting show/hide transitions not including duration
• Fixed settings dialog being cut off on low-resolution screens (Yes, this one took four people to figure out)
• Fixed paused indicator text stacking
• Fixed disabled audio sources showing up in advanced audio properties
• Fixed Grid Mode setting not being persisted when enabled through the View menu
• Fixed CoreAudio not handling encoder delay, resulting in audio being 44-48 ms late
• Fixed OBS not handling negative audio timestamps at the start of an output correctly, resulting in Opus and CoreAudio AAC audio being delayed by a few ms
• Fixed VA-API AV1 encoder being unavailable if H.264 is unsupported
• Fixed WebRTC buffer size being too small for recovery with high-bitrate video
• Fixed renaming multiple scenes when hitting Tab key while renaming

• Fixed NVENC failing with old drivers/devices
• Reverted: Changed default recording format to fMP4/fMOV for stable releases

• Fixed a crash on macOS 11 when starting OBS
• Fixed missing HDR metadata for certain encoders
• Fixed broken hardware decoding of remote streams in Media Sources
• Fixed broken file output from remuxing a file with PCM audio
• Fixed an issue where macOS Audio Capture or macOS Screen Capture sources could stop capturing
• Fixed an issue on Windows causing Virtual Camera and 32-bit Game Capture to fail
• Fixed an issue on Linux which caused QSV encoders to be enabled on systems with no Intel GPUs
• Backported xdg-data metadata updates

30.1 New Features

• Enabled HDR for HEVC over RTMP
• Reworked the Image Slideshow source
  • The reworked Image Slideshow source loads files asynchronously and fixes an issue where the slideshow would loop before showing all images. To change existing Image Slideshow sources to the new version, you must recreate them. Existing Image Slideshow sources will continue functioning as before.
• Added Capture Audio option to window/game capture on Windows
• Added Premultiplied Alpha option for game capture on Windows
• Added option for automatic cropping to bounding box
• Added maxRGB tonemapper for SDR in HDR Tone Mapping filter
• Added GPU rescaling options for streaming and recording outputs
• Added channel selection for CoreAudio input devices
• Added Capture Card Device source type on macOS
• Enabled multi-track audio support for mpegts
• Added AV1 support for VA-API
• Added AV1 support for WebRTC/WHIP output
• Added Video Capture Device (PipeWire) source type

30.1 Changes

• Added HDR support for the Elgato HD60 X Rev.2
• Added theme data search paths
• Added Lua script location to search path for Lua native libraries
• Added Python 3.11 support for macOS
• Updated obs-websocket to version 5.4.2
• Improved simple mode replay buffer settings
• Switched to bigger units in the UI for high bitrate/large recordings
• Disabled Paste Transform on locked scene items
• Disabled Edit Transform if scene item is locked
• Removed Windows 7 and Ubuntu 20.04 NVENC fallbacks
• PCM audio in (fragmented) MP4/MOV is now supported
• Changed default recording format to fMP4/fMOV for stable releases

30.1 Bug Fixes

• Fixed crashes with the Virtual Camera on Windows when apps consumed it as YUY2
• Fixed crash when loading Python at runtime on Windows
• Fixed crash in Image Slideshow when adding a directory with no files in it
• Fixed crash on macOS when attempting to stream to a WHIP servers with certain configurations
• Fixed crash when trying to stream with WebRTC/WHIP
• Fixed a possible crash in Lua scripts when switching scene collections
• Fixed a possible crash with WHIP output
• Fixed deadlock when adding a macOS Screen Capture source
• Fixed issue where OBS could be closed by docked browser panels
• Fixed high CPU usage with Virtual Camera on macOS
• Fixed checkbox misalignment on macOS in properties view
• Fixed audio track 1 audio being offset/desynced with other tracks
• Fixed incorrect VST window size on HiDPI display
• Fixed editable list UI element having incorrect background-color
• Fixed the resize cursor with respecting the item transformation
• Fixed disk space reporting for attached network drives on macOS
• Fixed Safe Mode removing third-party transitions from scene collection
• Fixed being unable to use QSV in the Flatpak package
• Fixed audio track titles not being set in Custom FFmpeg Output
• Fixed an issue with free disk space calculation on ExFAT and FAT32 volumes on macOS
• Fixed an issue with free disk space calculation on macOS not matching values in Finder
• Fixed an issue where a removed source's scene would not be correctly logged
• Clarified the macOS microphone permissions prompt
• Fixed a regression causing a missing tooltip for Fragmented MOV/MP4
• Fixed an issue with the background of audio meters being transparent causing visual artifacts
• Fixed an issue with Yes/No buttons on the Reset Docks confirmation message box not being translated
• Fixed an issue preventing the Remux dialog from being used multiple times

• Fixed a CEF-related crash on macOS due to application bundle naming
• Fixed a crash with PipeWire Screen Capture
• Fixed a crash when removing scene items
• Fixed a crash on shutdown in obs-websocket
• Fixed macOS Sonoma capture indicator lingering on screen
• Fixed a memory leak on first run after updating OBS
• Fixed Safe Mode activating when using multiple OBS instances
• Fixed Stats Dock reporting incorrect free disk space on macOS
• Fixed menu bar application title issues on macOS
• Fixed issues with the shader cache feature causing OBS to be unable to run on Windows
• Fixed an issue causing browser docks to close OBS
• Fixed handling frontend JS events in browser sources
• Fixed audio devices resetting when encountering timestamp errors on Windows

30.0 New Features

• Added WHIP/WebRTC output
• Redesigned the status bar
• The redesigned status bar now provides the same information in a more organized and well structured way, with more representative and recognizable icons.
• Added option for Full-Height docks to the "Docks" menu
• When enabled, a dock such as chat can take up the entire height of the OBS window
• Added support for Intel QSV H264, HEVC, AV1 on Linux
• Added a shader cache to improve OBS startup time on Windows
• Added application audio capture on macOS
• Reworked the virtual camera on macOS to work with all applications (on macOS 13 and newer)
• Added a YouTube Live Control Room Panel when streaming to YouTube
• Added 10-bit capture support for Decklink devices
• Added HDR playback support for Decklink output
• Added an option to hide OBS windows from macOS Screen Capture's "Display Capture"
• Added a "Safe Mode" that runs OBS without third-party plugins, scripting, and websockets
  • When OBS detects that it was not shut down properly it will offer the user the option to launch in Safe Mode for troubleshooting purposes. It can also be manually activated via the "Help" menu.

30.0 Changes

• Changed audio/video encoder dropdowns to be sorted by name
• Changed the list of applications in the macOS Screen Capture source to be sorted by name
• Updated NVIDIA Audio/Video Effects SDK versions
• Added more accurate logging for Hardware Accelerated GPU Scheduling status and support
• Added the ability to arrange filters via drag & drop
• Clarified surround sound warning for YouTube 5.1 audio support
• Added warning if Lenovo Vantage is installed
• Added logging for scene changes in Studio Mode
• Changed Video Capture Device sources on Windows to not show an audio device in the Audio Mixer if none is available/selected
• Added support for grayscale MJPEG in V4L / DirectShow sources
• Improved settings interface of the "Text (FreeType 2)" source
• Added button to reactivate stopped capture in macOS Screen Capture
• Changed scene collection removal to retain a backup file (.bak) that can be easily reimported if needed
• Added IPv6 support for RTMP streaming output with IPv4 fallback ("happy eyeballs") for dual-stack streaming services. The preferred protocol can still be selected in advanced settings.
• Fixed virtual camera output when used with additional output channels (e.g., Downstream Keyer plugin)
• Added ability to set FFmpeg Options for VAAPI
• Added a Help menu item to view the Release Notes
• Added logging for "Ignore streaming service setting recommendations"
• Added logging for Video Capture Devices on macOS for portrait and studio light effects
• Added more logging for Video Capture Device names on Windows
• Added more logging for QSV
• Added logging for WASAPI source names on Windows
• Increased minimum output resolution to 32x32 to prevent certain encoder failure scenarios
• Reenabled dynamic bitrate for AMF encoders
• Enabled "Paste Filters" after copying from scenes or mixer
• Removed D3D9 code from QSV encoder plugin
• Changed QSV plugin settings new to Beta 1 to use translatable strings
• Exposed shader creation errors
• Changed v4l2 sources to always use linear alpha blending

30.0 Bug Fixes

• Fixed a crash when using Touch Portal to control OBS
• Fixed a crash when selecting a window in PipeWire capture if one is already selected
• Fixed a crash on OBS shutdown on macOS
• Fixed a crash with the auto-config wizard
• Fixed a crash when trying to capture screen via PipeWire
• Fixed a crash when rapidly changing scenes
• Fixed a crash when quickly switching between NVIDIA Audio Filters
• Fixed a crash when starting and stopping multiple DeckLink outputs
• Fixed a crash caused by plugins deleting properties
• Fixed an issue that could cause hardware encoders not showing up as options on capable GPUs
• Fixed possible security certificate verification failure when trying to stream with RTMPS on macOS
• Removed legacy AMD encoder plugin
• Fixed max bitrate not working in NVENC VBR mode
• Fixed async sources (e.g. video capture devices) sometimes unnecessarily dropping frames while buffering is enabled
• Fixed order of IP binding/family setting
• Fixed some issues with hotkeys with groups and duplicate sceneitems
• Fixed warnings being cut off in the UI in Simple Output Mode
• Fixed the installed version number visible in Windows Settings not being updated when using the auto-updater
• Fixed window capture showing the last frame of a closed window on Windows
• Fixed alignment helpers rendering below safe area indicators
• Fixed some edge cases where certain undo/redo actions could behave in unexpected ways
• Fixed media source restarting playback when not necessary
• Fixed frontend_save_callback in Python scripts
• Fixed "flip" not working with "stretch to bounds"
• Fixed OBS stealing focus when launching minimized
• Fixed lossless recording not working if fragmented MP4/MOV was selected
• Fixed rendezvous mode with SRT
• Fixed browser source events not being sent to all frames
• Improved FFmpeg VAAPI AMD encoder video quality
• Fixed virtual camera not deactivating correctly in some cases
• Fixed lag with VLC media source, particularly on macOS
• Fixed "Show more" in service settings selecting the first service in the list
• Fixed incorrectly positioned labels in a scenes-only multiview projector
• Fixed detected framerate of videos encoded with Custom Output (FFmpeg)
• Fixed a bug where the "Show fullscreen and hidden windows/applications" option in macOS Screen Capture did not apply immediately
• Fixed a bug where the Auto-Configuration Wizard didn't save YouTube stream key
• Fixed a bug where the OK button was enabled in the Add Source dialog if "Add Existing" was selected but no existing source was selected
• Fixed a bug where using VoiceOver to toggle the "Use Different Colors" GroupBox in the Accessibility settings, the Apply button would not activate
• Fixed a bug where the Auto-Configuration Wizard would show current frame rate in scientific notation if FPS was 100 or greater
• Fixed an issue where importing a Streamlabs Desktop scene collection would result in OBS performing seemingly random scene changes and scene item visibility changes
• Fixed not being able to select a stream audio encoder if previous selection was invalidated
• Fixed source transform shortcuts in context (flip, rotate, etc.) when multiple scene items are selected
• Fixed source type version when dropping files onto the OBS UI
• Fixed alignment of vertical audio mixer controls
• Fixed a bug where HDR video could incorrectly produce black pixels when tonemapping
• Fixed v4l2 source not working correctly with certain non-standard input frame rates
• Fixed hotkeys of different scene items for the same source not being saved correctly
• Fixed hotkeys being lost when moving a source in or out of a group
• Fixed a possible issue with logging high frame rate video capture devices on Linux
• Fixed a bug causing AMF AV1 to have low quality in Simple Output Mode
• Fixed a race condition in the Vulkan graphics hook
• Fixed an issue with Sparkle delta updates
• Fixed some unexpected behavior when transforming sources in groups
• Fixed Stream Key label not displaying in UI
• Fixed "Use Stream Key" button not hiding from UI when appropriate

• Fixed service selection resetting for services that are not shown by default
• Fixed crash when properties are deleted in callback, e.g. with the Source Record plugin
• Fixed keyboard shortcuts not being displayed for some context menu items
• Fixed crash with Freetype 2 text sources with non-ASCII text
• Fixed AMF encoder reconfiguration and dynamic bitrate not working
• Fixed AMF preset fallback not taking the GPUs reported throughput into account
• Fixed a bug preventing properties dialogs from being closed with the “Cancel” button
• Fixed window capture/game capture compatibility notices being displayed erroneously
• Fixed potential crash on exit with obs-websockets
• Fixed a crash when unloading Lua scripts
• Fixed unnecessary undo/redo entries being created for text sources
• Fixed macOS capture showing a white background on macOS 14 Beta
• Fixed macOS graphics thread timer accuracy
• Fixed a bug where the checkable "Source Toolbar" menu item in the View menu wouldn't update when you used the "Show Source Toolbar" and "Hide Source Toolbar" hotkeys
• Fixed a bug where switching between "Fade" and "Fade to Black" for a quick transition would not work properly
• Fixed a bug in audio settings where Audio Channels, Sample Rate, and Low Latency Audio Buffer Mode would sometimes not save properly
• Fixed a bug where the placeholder text for "Group" when adding a new group wouldn't be properly localized

• Adjusted GPU priority level when Hardware-Accelerated GPU Scheduling (HAGS) is enabled in Windows settings - This fixes OBS freezing and driver crashes that some users experienced when using NVIDIA Audio Effects filters - We will continue to work with NVIDIA to determine the root cause of these issues and revisit this change at a later date
• Fixed a possible crash when interrupting stingers
• Fixed a crash when double-clicking non-multiview projectors
• Fixed a crash on opening settings when a non-existent service was selected
• Fixed a crash when receiving multiple SIGINT signals
• Fixed a crash when closing OBS while a background thread had not completed
• Fixed the keyframe interval calculation for the VideoToolbox encoder
• Fixed an issue that sometimes caused the "Source Cleanup Error" to show when switching scene collections
• Fixed a reference leak with virtual camera when using source output mode
• Fixed the missing files dialog disappearing behind the main window on macOS
• Fixed an issue where selecting no audio tracks for streaming or recording could cause the output to fail to start
• Fixed an issue where sources could become permanently invisible until transform is reset
• Fixed audio monitoring when using PulseAudio
• Fixed some translation texts missing
• Fixed an issue with properties never being updated in some scenarios
• Fixed button colors when using the scene list grid mode
• Fixed Lua script file names not being set

29.1.1 Hotfix Changes

• Fixed some Elgato devices being blocked on Windows
• Fixed audio mixer warning about sources not assigned to any tracks while monitoring was set to "Monitor Only (mute output)"
• Fixed FLAC being erroneously shown as compatible with MOV
• Added an error message for NVENC AV1 to explain why it fails
• Fixed an issue where captured video could appear to have tearing on Intel Macs
• Fixed a data corruption issue that could occur when switching scene collections
• Fixed a crash that could occur on macOS when connecting a service account

New Features

• Added support for streaming AV1/HEVC over Enhanced RTMP
  • Enhanced RTMP V1 extends the RTMP protocol to support newer video codecs and HDR. More info at: https://github.com/veovera/enhanced-rtmp
  • Currently only supported by/enabled for YouTube as a beta feature
  • HDR is not yet implemented
• Added support for multiple audio tracks in Simple output recording
• Added a DLL blocking feature for Windows. This allows OBS to block problematic DLLs from attaching to OBS and causing freezing or crashes, for example 3rd party overlay hooks and outdated video capture devices.
  • This blocks old versions of popular VTubing software virtual cameras that are known to cause freezes when accessing video capture device properties. If you are affected, please update to the latest version of your VTubing software.
• Added settings to select the audio encoder for streaming and recording
• Added an option to preload media sources used in Stingers to memory, to avoid frame skips during transitions
• Added Update Channels on macOS and updated Sparkle for smaller and faster updates going forward
• Added compatibility notices in the Window and Game Capture sources for Windows
• Added the ability to zoom browser docks with Ctrl - and + and the right click menu
• Added a setting to record in fragmented MP4 and MOV formats
  • These offer greater compatibility than MKV while providing similar resilience against data loss due to crashes, running out of space, etc.
  • Fragmented MP4 and MOV files can be remuxed to regular MP4/MOV in cases where the former may not be read correctly (e.g. in older editing software)
• Added support for surround sound for AJA capture cards
• Added ProRes 4444 (XQ) support for VideoToolbox encoder on macOS
• Added lossless audio recording options (FLAC/ALAC/PCM including 32-bit float)
• Added indicator if an audio source is unmuted, but not assigned to any audio tracks
• Added AMD AV1 encoder to simple output mode

Changes

• Output rescaling is ignored if the scaled resolution matches the current video output resolution
• NVENC error messages now include more details
• Changed the default FFmpeg AAC encoder to twoloop which has higher quality
• Allow symbolic links for VST paths
• Implemented QVBR for AMF encoders
• Expanded support for subtitle tracks in VLC source (up to 1000)
• The Hotkeys tab in settings is no longer loaded until switched to, resulting in the Settings window opening much faster for large scene collections
• Switched various internal data structures to use hash tables for lookups, resulting in significant performance and loading/saving time improvements with large scene collections
• Exported scene collection JSON is now pretty-printed and sorted, allowing for easier tracking via git or other versioning mechanisms
• Added a "What's New" entry in the help menu to manually open the post-update changelog dialog
• Clicking the "Defaults" button in properties will now ask for confirmation before resetting
• Improved Windows OBS updater speed and reduced download size by using Zstandard compression
• Added platform-specific "What's New" notifications to better communicate changes or issues not affecting all operating systems
• Added option to force SDR Window Capture capture in Windows 10+ mode
• Improved YouTube thumbnail preview by using bilinear scaling
• Incompatible audio/video encoders will now be disabled based on the selected format
• Added HEVC and HDR support to VA-API encoder
• Added HDR capture support for DeckLink sources
• Video-related items in the right click menu of audio sources in the Sources list will no longer appear
• Native macOS dialogs now respect OBS being set to dark themes
• Significantly improve screen capture performance on Intel dedicated GPUs on Linux
• JACK inputs on Linux will now display "OBS Studio" in their name to clarify their origin. This may cause existing configured devices to stop working until updated by the user
• The system color selection dialog is now used on macOS
• Various improvements to the t-bar for a more predictable user experience
• Plugins installed system-wide are no longer loaded when OBS is run in Portable Mode
• Hardware Decoding of Media Sources can now use CUDA
• Improved DeckLink performance
• Python 3.11 is now supported in Scripting
• Added FDK AAC support on Flatpak
• Browser docks now provide a "Copy page address" option
• Increased the maximum resolution of browser sources to 8192x8192
• OBS Websocket has been updated to 5.2
• Changed Add Source menu to sort case-insensitively
• Improved default buffering behavior for most Elgato video capture devices on Windows
• Added codec logging for the QSV encoder
• Made hotkey edit layout margins symmetrical
• Added logging if the active encoder is incompatible with dynamic bitrate

Bug Fixes

• Fixed output silently not starting when using multi-track audio at higher frame rates
• Fixed dynamic bitrate changes not working when using NVENC presets p6 or p7
• Fixed encoder settings not being updated if the encoder is changed in settings
• Fixed a crash that could occur when using a video source that frequently changed its resolution (e.g. a VLC playlist)
• Fixed a crash that could occur when using streams in the media source (introduced in v29)
• Fixed an issue with negative gain in upward compressor
• Fixed several bugs in FFmpeg custom output related to color conversion
• Fixed UI unresponsiveness when searching for hotkeys and duplicate key assignments in large collections
• Fixed an issue with RTMP timeouts that could cause a server to think OBS has cleanly ended the connection instead of it disconnecting due to an error, and not activating features like "disconnect protection"
• Fixed properties being cut off until window is resized
• Fixed portable Windows versions not restarting in portable mode after an update
• Fixed updating of an install being blocked by unrelated OBS instances running
• Fixed excessive config reads when sources are selected in the preview
• Fixed audio track assignments of sources provided by third-party plugins being reset when the plugin could not be loaded
• Fixed invalid rescaled resolutions being allowed when they shouldn't be
• Fixed presets in the Expander filter not applying changes immediately
• Fixed the virtual camera on Windows reporting the incorrect resolution to external apps, resulting in stretched images
• Fixed the ability to drag and drop scenes after clicking Rename and not changing the name of the Scene
• Fixed a crash on macOS that would occur when an external display with an active Projector was disconnected
• Fixed an issue where remuxing a .ts file would fail
• Fixed an issue with the VLC source where large videos (e.g. 4K) would get squashed horizontally
• Fixed spacing helpers appearing incorrectly when a source is rotated and flipped
• Fixed an issue where the preview would display incorrectly when zoomed too far in either direction
• Fixed the macOS virtual camera potentially crashing external apps and recordings to be the wrong length
• Various fixes for monitoring when using PulseAudio
• Fixed a crash on shutdown with virtual camera on Linux
• Fixed an issue in the V4L2 source on Linux where a capture device's frame rate could be invalid, resulting in incredibly large log files
• Fixed the listing of PulseAudio monitoring devices incorrectly listing inputs
• Fixed the preview having the ability to scroll infinitely out of view when scaled manually
• Fixed the Async Filters list showing incompatible async filters for synchronous sources
• Fixed an issue where the cursor would not properly disappear in certain games on Wayland
• Fixed an issue where certain filters would not properly update when clicking the Defaults button
• Fixed an issue with FFmpeg NVENC producing invalid DTS when using b-frames
• Fixed an issue where network sources in the Media Source could cause rendering/UI freezes when they reconnect
• Fixed AAC encoding of 2.1 audio
• Fixed an issue where pressing Space would unexpectedly pause the active media source when the main window was focused
• Fixed an issue where duplicating scenes would lose colour coding on sources
• Browser dock Inspect will now remember settings and customizations
• Fixed a case where HDR -> SDR might not tonemap correctly
• Fixed simple mode replay buffer maximum not being set
• Fixed Windows-only RTMP options (e.g., Network Optimizations) causing issues if the profile was imported on non-Windows with those enabled
• Fixed security software status logs showing as blank when running on non-English locales
• Fixed a bug where certain system localizations couldn't load Lua files on Windows
• Fixed Screen Capture crashing in the Flatpak with old versions of PipeWire server
• Fixed an issue where Push to Talk on Linux wouldn't work when assigned to secondary mouse buttons
• Fixed CBR padding when using NVENC AV1/HEVC
• Fixed Auto Scene Switcher not saving settings correctly
• Fixed AMF encoder crashing when streaming by temporarily disabling dynamic bitrate when it is in use
• Fixed recordings made with Apple VT Hardware encoders in CRF mode only having one initial keyframe
• Various improvements and fixes to Decklink performance
• Fixed transparent windows capturing incorrectly on Wayland using PipeWire
• Fixed an issue with the source rotation handle when source is flipped
• Fixed a crash in Decklink Output when no Decklink device is available

• Fixed a bug introduced in 29.0.1 which caused sources with an upward compressor filter to stop audio playback under certain circumstances

• Fixed the "NVIDIA AUDIO Effects SDK is outdated" message appearing on the noise reduction filter properties when the SDK wasn't installed
• Fixed a crash that could happen if you use NVIDIA's audio effect filters and then later uninstall the SDK
• Fixed the expander and upward compressor audio filters sounding distorted
• Added "Knee Width" option to the upward compressor audio filter to improve quality
• Fixed a bug where overriding the theme on Linux could cause the program not to start up
• Fixed software rendering not working properly on Linux
• Fixed a bug where the Stats window/panel would show an incorrect disk space calculation when pausing recordings
• Fixed a bug on Windows where the "Force SDR" setting in window capture wasn't showing up
• Fixed a bug on macOS where the virtual camera would show up red
• Fixed a bug where Linux captures would not work correctly on X11
• Fixed a crash on Linux when using Wayland and trying to use the automatic scene switcher
• Fixed a bug where alpha wouldn't output properly when setting OBS to use BGRA color format
• Fixed a crash on startup when OBS was minimized
• Fixed a bug where projectors could look washed out when projecting SDR content while using an HDR display
• Fixed a bug on Windows where secondary displays could sometimes not show up in the display capture properties
• Fixed a crash when using the virtual camera as an OBS source and changing the canvas resolution
• Fixed a bug on macOS where the properties window would go behind the main window after opening a file selection dialog
• Fixed a bug where profile encoder settings would not properly update when switching between services that require a different encoder
• Fixed a bug in custom ffmpeg output mode where RTMP would force certain encoders

Features

• Added support for the AMD AV1 Encoder for the RX7000 series GPUs on Windows
• Added support for the Intel AV1 Encoder for Arc GPUs on Windows - Note: CQP is available but not fully supported
• Added support for the Intel HEVC Encoder on Windows
• Added an upward compressor filter
• Added a 3-band equalizer filter
• Added support for native HEVC and ProRes encoders on macOS, including P010 and HDR
• Added support for macOS Desk View
• Websockets updated to 5.1.0, which has a number of bug fixes, UI improvements, and new stream reconnect events.
• Added update channels for opting into receiving beta/release-candidate builds to Windows

Tweaks and Improvements

• The Replay Buffer's memory limit is now set to 75% of installed system RAM rather than fixed to 8GB
• Added media key support in Linux
• Various improvements to NVIDIA Video and Audio filters, including a Mask Refresh slider and support for temporal processing, which provides better quality masking
• Improved Display Capture screen naming & saving on Windows; indexes should now match regardless of Mode, and reconnected displays should show the correct monitor
  • Note: This does mean existing Display Capture sources will be blank until manually configured, to avoid showing the wrong display
• Added support for encryption and authentication for SRT and RIST outputs
• Disabled ScreenCaptureKit Display & App capture on macOS 12 due to various issues; users should either update to macOS 13 or use the existing Screen Capture source
• Removed the automatic numbering on Multiview labels
• Added the ability to mute individual browser docks
• Added the ability to right click and 'Inspect' individual browser docks
• Changed the default Simple Output NVENC preset to P5 for better compatibility & performance
• Added support for higher refresh rates in the Video Capture Device source on Windows
• Added the Apple VT Hardware encoder to the Auto Configuration Wizard
• Improved FFmpeg VA-API enablement by directly using Libva to check device capabilities
• Various minor UX/accessibility tweaks in the UI
• Raised the speed at which dynamic bitrate recovers after a drop
• Audio should now be automatically captured for most capture card brands using the Video Capture Device source on Windows
• Added a slide counter to the Source Toolbar when an Image Slide Show is selected

Bug Fixes

• Fixed issues with async filters (such as Delay) not rendering correctly
• Various performance improvements to Decklink preview output
• Fixed an issue where source Projector windows wouldn't close when a source was deleted
• Fixed an issue where cursors would disappear or display incorrectly on screen captures on Windows
• Fixed issues with CQP rate control for SVT and AOM AV1 encoders
• Fixed an issue with CQP rate control for AMD HEVC and H264
• Fixed Virtual Camera not working with Webex and GoToMeeting
• Fixed capturing UHD/4K YUV on the AJA Kona HDMI
• Fixed a bug where slideshow sources wouldn't remove cleared files when removing missing files
• Fixed slideshow counter on the source context toolbar showing "1/0" when empty, now shows "-/-" instead
• Fixed chroma location for VAAPI
• Fixed a case where macOS' VideoToolBox HEVC encoder would be parsed as AVC
• Allow SRT streams to disconnect after timeout
• Fixed color space being incorrect for some video devices running in MJPEG video format on Windows
• Fixed monitor names in the Fullscreen Projector & Multiview menus on Windows

Features

• Added support for the AMD AV1 Encoder for RDNA3 GPUs
• Added support for the Intel AV1 Encoder for Arc GPUs
• Added support for the Intel HEVC Encoder
• Added an upward compressor filter
• Added a 3-band equalizer filter
• Added support for native HEVC and ProRes encoders on macOS, including P010 and HDR
• Added support for macOS Desk View

Tweaks and Improvements

• The Replay Buffer's memory limit is now set to 75% of installed system RAM rather than fixed to 8GB
• Added media key support in Linux
• Various improvements to NVIDIA Video and Audio filters, including a Mask Refresh slider
• Improved Display Capture screen naming & saving on Windows; indexes should now match regardless of Mode, and reconnected displays should show the correct monitor
• Added support for encryption and authentication for SRT and RIST outputs
• Disabled ScreenCaptureKit Display & App capture on macOS 12 due to various issues; users should either update to macOS 13 or use the existing Screen Capture source
• Removed the automatic numbering on Multiview labels
• Added the ability to mute individual browser docks
• Added the ability to right click and 'Inspect' individual browser docks
• Changed the default Simple Output NVENC preset to P5 for better compatibility & performance
• Added support for higher refresh rates in the Video Capture Device source on Windows
• Added the Apple VT Hardware encoder to the Auto Configuration Wizard
• Improved FFmpeg VA-API enablement by directly using Libva to check device capabilities
• Various minor UX/accessibility tweaks in the UI
• Audio should now be automatically captured for most capture card brands using the Video Capture Device source on Windows
• Added a slide counter to the Source Toolbar when an Image Slide Show is selected
• Updated dependencies, including switching to Qt 6.4.1, which should fix a number of issues

• Fixed a Browser Source crash that could happen under certain circumstances
• Fixed "Always on Top" not saving on exit

• Fixed NVENC preset not being migrated properly in simple output mode
• Fixed the inability to start the encoder when NVENC is set to a bframe count higher than is supported by the device