v4.0.440
remotion-dev/remotionv4.0.440Mar 25, 2026by JonnyBurger
AI Summary
Introduces support for the AV1 video codec and improves the `<Img>` component display in the studio while consolidating SSE connections for better multi-tab stability.
Key Highlights
- Add AV1 codec support
- `<Img>` shows thumbnails
- Consolidate SSE connections to fix multi-tab hanging
- Fix imprecise FPS when combining chunks
New Features
- AV1 codec support
Full Release Notes
## What's Changed * `@remotion/renderer`: Add AV1 codec support by @samohovets in https://github.com/remotion-dev/remotion/pull/6771 * `@remotion/renderer`: Fix imprecise FPS when combining chunks by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6908 * `@remotion/studio`: `<Img>` shows thumbnails by @tiwariaayu in https://github.com/remotion-dev/remotion/pull/6892 * `@remotion/studio`: Consolidate SSE connections to fix multi-tab hanging by @bskang-v6x in https://github.com/remotion-dev/remotion/pull/6887 ## Docs * Link Azure and Cloudflare guides from SSR overview by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6907 ## Internal * Scope CSS in promo-pages by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6909 **Full Changelog**: https://github.com/remotion-dev/remotion/compare/v4.0.439...v4.0.440