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v4.5.0

Michael-A-Kuykendall/shimmyv4.5.0Jun 9, 2026by alyssaxuu

AI Summary

A major update that shifts the recording architecture to support background execution and improves performance by removing ffmpeg dependencies.

Key Highlights

  • Recordings now run in the background using the offscreen API
  • The editor is lighter and faster now that it runs entirely on WebCodecs
  • The ffmpeg fallback has been removed

New Features

  • Background recording using the offscreen API
  • WebCodecs-based editor

Full Release Notes

- Recordings now run in the background using the offscreen API instead of a pinned tab, so they keep going even if the tab you started from gets frozen or discarded.
- The editor is lighter and faster now that it runs entirely on WebCodecs, with the ffmpeg fallback removed.