<!-- Release notes generated using configuration in .github/release.yml at release/v0.21.11-nightly.20260816.5677823abb -->
## What's Changed
* feat(autofix): deny-by-default footprint gate and positional window censuses by @wenshao in https://github.com/QwenLM/qwen-code/pull/9156
* fix(web-shell): share at mention providers with split-view panes by @samuelhsin in https://github.com/QwenLM/qwen-code/pull/9052
* fix(ci): skip non-bot review_requested siblings before jobs spend compute by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/9204
* feat(review): absorb prose gh commands into platform-backed subcommands by @wenshao in https://github.com/QwenLM/qwen-code/pull/9096
* feat: support fork from any conversation by @water-in-stone in https://github.com/QwenLM/qwen-code/pull/8817
* fix(ci): minimize spam inline review comments by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/9229
* feat(web-shell): support text file attachments in the composer by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/9180
* fix(ci): keep no-op review requests out of the PR review concurrency group by @wenshao in https://github.com/QwenLM/qwen-code/pull/9210
* feat(review): adopt a round-aware convergence posture for posted findings by @wenshao in https://github.com/QwenLM/qwen-code/pull/9118
* feat(autofix): escalate stopped takeover PRs and age out unanswered pauses by @wenshao in https://github.com/QwenLM/qwen-code/pull/8960
* fix(integration-tests): ack daemon tool-guard handshake in the mock ACP child (#9159) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/9161
* fix(sdk): raise daemon browser bundle budget to 191KB by @wenshao in https://github.com/QwenLM/qwen-code/pull/9238
* fix(review): note when --all-chunks fans out a plan whose numbers say 3A by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/9249
**Full Changelog**: https://github.com/QwenLM/qwen-code/compare/v0.21.12...v0.21.11-nightly.20260816.5677823abb