v4.0.529 v4.0.530

medium risk

remotion-dev/remotionSep 25, 2026 → Sep 29, 20264 days between releases

What's New

Adds timeline trimming, caption import, and changes duration calculation order

Breaking Changes

  • `durationInFrames` now applies before `playbackRate`

New Features

  • New timeline trimming features including left-only trims
  • Caption editor enhancements with SRT import
  • Composition tabs in Studio
  • `loop` prop for Sequences
  • `wrapInSequence` option for Interactive.withSchema()

Improvements

  • Row-based multithreading for VP9 rendering
  • Studio UI improvements (right sidebar default, toolbar options)
  • Pre-compose action in Studio
  • Start actions on empty canvas
  • Third-party Element discovery

Upgrade Notes

Be aware that `durationInFrames` is now calculated before applying `playbackRate`, which may alter the final output duration. Review compositions relying on specific timing calculations based on playback rate.

The Two Releases

v4.0.529

v4.0.529

Sep 25, 2026· 27 days ago

This release introduces HTML-in-canvas motion blur, path interpolation capabilities, and prepares for faster shared-memory rendering. It also includes accessibility updates for the Studio interface and a new browser-based motion graphics editor template.

Full release notes
v4.0.530

v4.0.530

Sep 29, 2026· 23 days ago

This release focuses on significant Studio UI improvements, including new timeline trimming features, caption editor enhancements, and interactive component updates, alongside a notable breaking change regarding duration and playback rate interaction.

Full release notes