v0.8.141

Name: llm-app-stack
Author: a16z-infra

a16z-infra/llm-app-stackv0.8.141Oct 8, 2026by github-actions[bot]

Upgrading?

AI Summary

This release fixes font rendering failures when a page links a Google Font with axis values the family lacks. It also improves video decoding performance in Studio previews by decoding videos at their on-screen size rather than full resolution.

Key Highlights

Font fallback logic ensures renders succeed when Google Fonts link lacks axis values.
Studio previews decode HEVC and ProRes videos at on-screen size to reduce flashing.
Unresolved font errors now provide structured diagnostics without exposing sensitive data.
Support for `HEYGEN_API_BASE` allows `media-use` to connect via host app gateway.

Full Release Notes

# HyperFrames v0.8.141

Released on 2026-10-08.

Renders no longer fail when a page links a Google font with axis values the family lacks. Studio previews of hard-to-play videos decode at their on-screen size.

## Changes

- A font whose Google Fonts link returns no usable faces now falls back to the standard weight request, so renders keep the font instead of failing. ([#5186](https://github.com/heygen-com/hyperframes/pull/5186)).
- Unresolved-font errors carry structured diagnostics about which resolver step failed, without font names, URLs or page text. ([#5189](https://github.com/heygen-com/hyperframes/pull/5189)).
- The player loads compositions using the document's own duration and reports the first author error. ([#5176](https://github.com/heygen-com/hyperframes/pull/5176)).
- Studio decodes HEVC and ProRes previews at the size they appear on screen, so back-to-back 4K clips no longer flash the background. ([#5184](https://github.com/heygen-com/hyperframes/pull/5184)).
- media-use can reach HeyGen through a host app's gateway with `HEYGEN_API_BASE`. ([#5181](https://github.com/heygen-com/hyperframes/pull/5181)).

## Full changelog

https://github.com/heygen-com/hyperframes/compare/v0.8.140...v0.8.141

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