What's Changed
- [Backport v6.x] web: mark as uncloneable when possible (#3709) by @jazelly in #3744
- [Backport v6.x] fetch: fix content-encoding order by @github-actions in #3764
- [Backport v6.x] fix: handle undefined deref() of WeakRef(socket) by @github-actions in #3822
- [Backport v6.x] fix: range end is zero-indexed by @github-actions in #3827
Full Changelog: v6.20.1...v6.21.0