OBS Studio 27.1.1

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 27.1.1 hotfix changes:

Fixed an issue that caused an incorrect deployment of 27.1 on Windows, causing the Display Capture Source to look washed out [Jim]

New Features and Additions

Added YouTube integration [yuriy-chumak]
Allows the ability to connect your YouTube account without using a stream key
Adds various features when setting up your stream that allows you to set settings for each stream: your stream title, description, privacy settings, scheduling streams, and more
YouTube streams are created and managed via a new “Manage Broadcast” button next to “Start Streaming” [derrod]
Also features a chat dock for public and unlisted broadcasts (currently read-only) [derrod]
Bandwidth testing is now supported in the Auto-Configuration wizard when logged in [derrod]
Special thanks to the developers at YouTube for working with us directly on the initial implementation of this feature and helping to make it a reality
Added an 18-scene multiview option [XDelta]
Added a “Mask Only” option to the stinger track matte [Jim]
Added a feature to browser sources to allow limited control over OBS, which must be explicitly granted by the user [gxalpha]
Added an option to draw safe areas in the preview (same as the safe areas in the multiview) [cg2121]

Tweaks

Added performance fixes for Windows 11 and Windows 10 Insider builds [rcdrone]
Names for displays on macOS Display capture are now human readable names [Developer-Ecosystem-Engineering]
Auto-Remux now works with Replay Buffer [gxalpha]
Optimized the media source, reducing unnecessary CPU usage [rcdrone]
The missing files dialog will now detect missing files for stingers as well [gxalpha]
Remove “Enter Fullscreen” from the menu on macOS because macOS already has a builtin fullscreen mode interface option [gxalpha]
Sources that are invisible/hidden will now have their text dimmed as well in the source list [gxalpha]
Added a “Missing Files Check” menu item to the “Scene Collections” menu [gxalpha]
Added source icons to the source toolbar [cg2121]
Image sources that use gif files now will animate in preview when using studio mode [cg2121]
Enabled Alpha option in the Freetype 2 Text Source’s Font dialog [norihiro]
Added the ability to disable the Missing Files dialog using a startup flag [tt2468]
Added Ctrl+R on Linux and Cmd+R on macOS to reload browser panels [WizardCM]
Re-enabled drag & drop for scenes & sources on Linux [GeorgeStavracas]
Minor UI improvements to various areas, including Source Toolbar, Transform dialog and more [Warchamp7]
Improved internal behaviour in the game capture source to avoid unnecessary re-hooking [rcdrone]
Wayland capture sources are now available without having to pass custom parameters to OBS from the command line [GeorgeStavracas/tytan652]

Bug Fixes

Fixed a bug on Wayland on Linux where the cursor would capture slightly mispositioned [GeorgeStavracas]
Fixed a bug with Dynamic Bitrate that would cause it to malfunction when used with hardware encoders [R1CH]
Fixed a bug on Wayland where capture methods (ie window/desktop) that weren’t fully supported would appear anyway [GeorgeStavracas]
Fixed a variety of colour-related bugs in window capture and browser source [rcdrone]
Fixed a bug where track matte stingers would flash previous frames sometimes [Jim]
Fixed an issue where the projectors would list incorrect resolutions for DPI-scaled monitors [RytoEX]
Fixed a crash on exit that could occur when using 3rd party plugins that hold references to sources with audio monitoring enabled [R1CH]
Fixed a bug where the Game Capture source would occasionally still capture overlays with the “Capture third-party overlays” option disabled [kokole]
Fixed a bug where keyboard interaction did not work correctly on macOS [WizardCM]
Fixed a bug where the replay buffer could crash when plugins interact with it [exeldro]
Fixed an issue where the mask/blend filter looked incorrect on version 27 [rcdrone]
Fixed a bug where deleting a scene that’s used as a source wouldn’t Undo/Redo properly [exeldro]
Fixed a bug where the Auto-Remux would pop up blank sometimes [gxalpha]
Fixed a bug where performing a redo for creating sources would cause sources to be created in the wrong scene [gxalpha]
Fixed the “Deactivate when not showing” option in the Decklink source not working properly [cg2121]
Fixed a bug where themes were unable to use previously defined palette variables [WizardCM]
Fixed log viewer taking up unnecessary extra memory when closed [cg2121]
Fixed a crash that could occur when exiting OBS with decklink output active [R1CH]
Fixed an issue where saving screenshots or the replay buffer would fail if the output filename format contained a directory path [R1CH]
Fixed a crash that could occur when a connection was dropped during the Auto-Configuration Wizard’s bandwidth-testing stage [derrod]
Disabled "Network Optimizations" when using RTMPS because of incompatibility [R1CH]
Fixed an issue where setting a zero second auto reconnect delay would cause OBS to stop responding if disconnected [R1CH]