FFmpeg 9.0 "Lei" was released on August 4, 2026, just four months after version 8.1, with major updates across all core libraries, including libavcodec and libavformat entering the 63 series. This release indicates significant internal changes to the encoder and decoder architecture, prompting developers and media engineers to rebuild dependencies and conduct regression tests before deployment. While the full changelog is still being compiled, the version increments suggest substantial optimizations and rewrites within the codebase. Official pre-compiled packages will be available through standard distribution channels, and users are advised to verify these packages using PGP signatures

FFmpeg 9.0 Lei Released: Library Bumps and Dev Impact

FFmpeg 9.0 "Lei" officially launched on August 4, 2026, arriving roughly four months after version 8.1. The release pushes every core library into new major versions, with libavcodec and libavformat crossing into the 63 series. While the full changelog is still being mapped out, the version increments signal substantial internal changes to the project’s encoder and decoder architecture. Developers and media pipeline engineers should expect to rebuild their dependencies and run regression tests before deploying to production.

FFmpeg 9.0 Lei Released: Library Bumps and Dev Impact @ Linux Compatible