# v1.3.1 — Export & Preview Performance

_Released: 2026-04-13_

> Significantly faster export and smoother preview playback.

## Changes

- **Improved**: Pipelined frame rendering and encoding for faster export
- **Improved**: Direct-to-disk writing via File System Access API drastically reduces memory usage
- **Improved**: Parallel audio mixdown reduces processing time
- **Improved**: Reduced unnecessary re-renders during preview playback for smoother performance