OBS Studio 27.1.1

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]

Download 64-bit: OBS Studio 27.1.1 | Portable | ~100.0 MB (Open Source)
Download 32-bit: OBS Studio 27.1.1 | Portable
View: OBS Studio Homepage | Other Operating Systems

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