The GStreamer project has launched version 1.26.3, marking it as the third maintenance update of the 1.26 series for this widely used open-source multimedia framework. This release follows closely on the heels of version 1.26.2 and introduces several enhancements and fixes.
Notably, GStreamer 1.26.3 integrates a new speech synthesis component that leverages the ElevenLabs API. The update also includes new thread-sharing capabilities for inter source and sink elements, along with a ts-rtpdtmfsrc. Moreover, it has enhanced support for BT.2100 PQ and the 1:4:5:3 calorimetry in the Video4Linux capture source.
A significant focus of this release is addressing security vulnerabilities, particularly a flaw in the H.266 video parser. Other critical fixes include resolving issues with WAV file playback that had acid chunks, alleviating high memory usage caused by regressions in text handling within uridecodebin3 and playbin3, and mitigating crashes related to late GOP in the fragmented MP4 muxer.
GStreamer 1.26.3 further refines the detection of hardware-accelerated video codecs on Android, optimizes the handling of events in the QtQML6GL video sink, and corrects a Vulkan buffer upload and memory management regression. Additionally, it resolves issues within the MP4 muxer when managing large files while supporting faststart.
The update also introduces multiple fixes related to MPEG-TS demuxing and muxing, improves closed caption conversion processes, refines clock drift management during preroll frame rendering in the DeckLink video sink, and addresses various RTP H.265 depayloader enhancements and TWCC/GCC congestion control fixes.
In the realm of streaming, GStreamer 1.26.3 enhances the DASH client’s seek functionality for streams with gaps, incorporates numerous improvements to the WebRTC sink and source, and rectifies text relocation problems on 32-bit Android systems.
As this version contains an array of additional bug fixes, including build and memory leak corrections, users are encouraged to check the release notes for comprehensive details. GStreamer 1.26.3 is available for download via the official website.