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v4.0.428

remotion-dev/remotionv4.0.428Feb 23, 2026by JonnyBurger

AI Summary

This release focuses on bug fixes including a critical Linux FFmpeg x265 segfault fix, audio buffering optimizations, and various rspack HMR improvements. The release also improves the Studio display with stack inheritance and faster macOS editor integration.

Key Highlights

  • Fixed Linux FFmpeg x265 segfault
  • Optimized audio buffering in preview
  • Fixed rspack warnings and HMR breakage from whisper-web
  • Faster Open In Editor on macOS
  • Inherit stack for better Studio display

New Features

  • Stack inheritance for better Studio display
  • Audio buffering optimization
  • Resilient serverless progress uploading

Full Release Notes

## What's Changed

- `remotion`: Inherit `stack` for better display in Studio by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6628
- `@remotion/compositor`: Fix Linux FFmpeg x265 segfault by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6636
- `@remotion/media`: Optimize audio buffering in preview by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6634
- `@remotion/media`: Don't auto-register AC-3 decoder by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6639
- `@remotion/bundler`: Fix rspack warnings and HMR breakage from whisper-web by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6640
- `@remotion/bundler`: Fix rspack HMR breakage from whisper-web circular dependency by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6647
- `@remotion/studio-server`: Faster "Open In Editor" on macOS by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6629

## Docs

- Document that Vercel Blob Storage must be public by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6650
- Fix duplicates in the prompt gallery page by @samohovets in https://github.com/remotion-dev/remotion/pull/6635

## Internal

- Add install and build steps to Pullfrog workflow by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6637
- Fix frame accuracy test flakiness by adding retries by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/6644

**Full Changelog**: https://github.com/remotion-dev/remotion/compare/v4.0.427...v4.0.428