v4.0.534 v4.0.535

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remotion-dev/remotionOct 7, 2026 → Oct 12, 20265 days between releases

What's New

Adds Lambda rendering and Studio UI enhancements in this patch release.

New Features

  • Added `renderFramesOnLambda()` for image sequences.
  • Added `AsyncRemotionClient` for asynchronous rendering.
  • Added drag reordering for Series clips in Studio.
  • Added `separateAudioTo` option to `renderMediaOnLambda()`.
  • Added `defaultPremountInSeconds` configuration option.

Improvements

  • Capped Chrome video decoder threads to improve performance.
  • Reduced file watcher overhead.
  • Made caption layers orange and added titles.
  • Upgraded Mediabunny to version 1.61.3.
  • Hide premounting by default (now configurable).

Bug Fixes

  • Fixed critical audio playback issues including crackling.
  • Fixed crashes during reverse audio playback.

Upgrade Notes

No breaking changes are expected. Be aware of the new `defaultPremountInSeconds` option and the updated Mediabunny dependency.

The Two Releases

v4.0.534

v4.0.534

Oct 7, 2026· 15 days ago

This release upgrades the underlying Chromium version to 157.0.8080.0 and introduces significant performance improvements through shared memory and parallel encoding capabilities. It also refines the Studio UI with better agent guidance and fixes numerous rendering and stability issues.

Full release notes
v4.0.535

v4.0.535

Oct 12, 2026· 10 days ago

This release introduces new Lambda rendering capabilities like `renderFramesOnLambda()` and `AsyncRemotionClient`, enhances the Studio UI with drag-and-drop reordering and visual transitions, and resolves critical audio playback issues.

Full release notes