v0.8.142 v0.8.143

medium risk

heygen-com/hyperframesOct 8, 2026 → Oct 8, 20260 days between releases

What's New

Distributed renders plan 20x faster on AWS Lambda; WebVTT parsing and SDK bugs are fixed.

New Features

  • Optimized distributed rendering logic for long videos on AWS Lambda.
  • Enhanced WebVTT caption parsing and preservation in CLI.
  • Improved accuracy for `hyperframes check` and lint commands.
  • Player enhancements to honor runtime discovery and source in embeds.

Improvements

  • Significant performance improvement: AWS Lambda planning time reduced from over 6 minutes to roughly 20 seconds.

Bug Fixes

  • SDK preserves unquoted escapes in inline styles.
  • CLI normalizes audio passage for clips.
  • CLI preserves literal WebVTT cue text.
  • CLI bounds timeline bars for negative media starts.
  • Player honors runtime discovery and source in embeds.

Upgrade Notes

No configuration changes are required. The distributed rendering logic change may affect how long videos are processed, but the API remains compatible.

The Two Releases

v0.8.142

v0.8.142

Oct 8, 2026· 13 days ago

The CLI now accepts host-managed HeyGen access tokens, prioritizing environment variables over local credentials. Studio received fixes for generated media naming and overscan issues.

Full release notes
v0.8.143

v0.8.143

Oct 8, 2026· 13 days ago

This release significantly improves the performance of distributed renders for long videos by changing how frames are extracted, reducing planning time on AWS Lambda from over 6 minutes to roughly 20 seconds. It also includes extensive bug fixes for WebVTT parsing, CLI commands, and SDK edge cases.

Full release notes