OBS Studio 33.0.0 updates the software’s browser-source and dock framework, moving Chromium Embedded Framework from version 127 to 150; the change is mostly behind the scenes, though users are asked to report browser-source problems. Plugin loading is substantially reorganized: built-in plugins move into a “core” folder, while third-party plugins gain a new installation structure. Existing plugins in legacy locations remain supported until OBS 34.0. The release also improves preview snapping with clearer indicators and alignment across an entire axis, and makes numeric controls more reliable. NVIDIA encoding is enabled on Arm64, and newer NVIDIA Broadcast SDKs are supported.
Other changes include hotkeys for source audio monitoring, better fullscreen-game detection, improved macOS screen-capture transparency, and fixes for grouped sources behaving incorrectly in Studio Mode. The release resolves crashes and deadlocks affecting macOS, Linux, profile switching, source renaming, and invalid shader caches, along with problems in recording, streaming, PipeWire capture, and profile imports. It removes Ubuntu 24.04 support. Developers face updated build-tool requirements and dropped support for FFmpeg 6 and 7, Qt 6.4-6.9, and older MbedTLS versions. Several APIs are added or revised, including a replacement boolean for audio-monitoring state; plugin authors should review the compatibility changes, especially the libnsgif update and new plugin locations.
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