What's Changed
- Implement SmallSet to optimize ReadableStream tee handling by @jasnell in #5337
- Update dependencies by @workers-devprod in #5338
- Python: Refactor preloadDynamicLibs to improve readability by @hoodmane in #5340
- Implement JSG_STRUCT DictionaryTemplates by @jasnell in #5339
- [build] Update lol-html, bzlmod deps by @fhanau in #5354
- [rust] use 1.90.0 by @mikea in #5276
- [nfc] update rust deps by @mikea in #5358
Full Changelog: v1.20251020.0...v1.20251021.0