OBS Studio 29.1

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 29.1 changelog:

Added support for streaming AV1/HEVC over Enhanced RTMP [YouTube/yuriy-chunak/derrod]
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 [pkv]
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. [notr1ch]
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 [tytan652]
Added an option to preload media sources used in Stingers to memory, to avoid frame skips during transitions [Jim]
Added Update Channels on macOS and updated Sparkle for smaller and faster updates going forward [derrod]
Added compatibility notices in the Window and Game Capture sources for Windows [derrod]
Added the ability to zoom browser docks with Ctrl - and + and the right click menu [WizardCM]
Added a setting to record in fragmented MP4 and MOV formats [derrod]
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 [paulh-aja]
Added ProRes 4444 (XQ) support for VideoToolbox encoder on macOS [jpark37]
Added lossless audio recording options (FLAC/ALAC/PCM including 32-bit float) [derrod]
Added indicator if an audio source is unmuted, but not assigned to any audio tracks [derrod]
Added AMD AV1 encoder to simple output mode [full release notes]