The GStreamer team is pleased to announce another bug fix release in the new stable 1.26 release series of your favourite cross-platform multimedia framework!

This release only contains bugfixes as well as a number of security fixes and important playback fixes, and it should be safe to update from 1.26.x.

Highlighted bugfixes:

• Various security fixes and playback fixes
• Security fix for the H.266 video parser
• Fix regression for WAV files with acid chunks
• Fix high memory consumption caused by a text handling regression in uridecodebin3 and playbin3
• Fix panic on late GOP in fragmented MP4 muxer
• Closed caption conversion, rendering and muxing improvements
• Decklink video sink preroll frame rendering and clock drift handling fixes
• MPEG-TS demuxing and muxing fixes
• MP4 muxer fixes for creating very large files with faststart support
• New thread-sharing 1:N inter source and sink elements, and a ts-rtpdtmfsrc
• New speech synthesis element around ElevenLabs API
• RTP H.265 depayloader fixes and improvements, as well as TWCC and GCC congestion control fixes
• Seeking improvements in DASH client for streams with gaps
• WebRTC sink and source fixes and enhancements, including to LiveKit and WHIP signallers
• The macOS osxvideosink now posts navigation messages
• QtQML6GL video sink input event handling improvements
• Overhaul detection of hardware-accelerated video codecs on Android
• Video4Linux capture source fixes and support for BT.2100 PQ and 1:4:5:3 colorimetry
• Vulkan buffer upload and memory handling regression fixes
• Python bindings: fix various regressions introduced in 1.26.2
• cerbero: fix text relocation issues on 32-bit Android and fix broken VisualStudio VC templates
• packages: ship pbtypes plugin and update openssl to 3.5.0 LTS
• Various bug fixes, build fixes, memory leak fixes, and other stability and reliability improvements

See the GStreamer 1.26.3 release notes for more details.

Binaries for Android, iOS, Mac OS X and Windows will be available shortly.