# HyperFrames v0.7.21

Released on 2026-06-30.

Adds a lint rule that errors on `crossorigin` on media (it renders fine but shows blank in preview) and fixes the root cause of id-less media rendering as a blank wash in the timing compiler.

## Features

- **Lint:** Error on crossorigin on media (breaks preview) ([1faeba4a](https://github.com/heygen-com/hyperframes/commit/1faeba4aa5e309c1ea688e37e833ffaba60429eb), [#1793](https://github.com/heygen-com/hyperframes/pull/1793))

## Fixes

- **Core:** Root-cause id-less media wash in timingCompiler getAttr, drop the band-aid ([0dfedd11](https://github.com/heygen-com/hyperframes/commit/0dfedd111c49948c531f2e2b0b290e50024176e7), [#1792](https://github.com/heygen-com/hyperframes/pull/1792))

## Docs & Examples

- **Skills:** Instruct agents to run `hyperframes feedback` after render ([04700ea9](https://github.com/heygen-com/hyperframes/commit/04700ea9c51d6b29f8512e2ae4c2655054acf20b), [#1785](https://github.com/heygen-com/hyperframes/pull/1785))

## Full changelog

https://github.com/heygen-com/hyperframes/compare/v0.7.20...v0.7.21
