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v4.0.441

remotion-dev/remotionv4.0.441Mar 26, 2026by JonnyBurger

AI Summary

Addresses rendering issues with transparent backgrounds in WebP outputs and improves error handling for audio data processing to prevent crashes.

Key Highlights

  • Fix transparent background for WebP `renderStill()` output
  • Handle `InputDisposedError` in `useWindowedAudioData`
  • Prevent MediaPlayer reinit on Sequence durationInFrames change

Full Release Notes

## What's Changed
* `@remotion/media`: Prevent MediaPlayer reinit on Sequence durationInFrames change by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6914
* `@remotion/renderer`: Fix transparent background for WebP `renderStill()` output by @app/copilot-swe-agent in https://github.com/remotion-dev/remotion/pull/6913
* `@remotion/webcodecs`: Handle InputDisposedError in useWindowedAudioData by @akashcorex in https://github.com/remotion-dev/remotion/pull/6910

**Full Changelog**: https://github.com/remotion-dev/remotion/compare/v4.0.440...v4.0.441