## What's Changed
* chore(release): v0.15.6 by @qwen-code-ci-bot in https://github.com/QwenLM/qwen-code/pull/3766
* feat(core): add FileReadCache and short-circuit unchanged Reads by @wenshao in https://github.com/QwenLM/qwen-code/pull/3717
* fix(cli): honor proxy setting by @cyphercodes in https://github.com/QwenLM/qwen-code/pull/3753
* chore: remove legacy Gemini workflows by @pomelo-nwu in https://github.com/QwenLM/qwen-code/pull/3725
* feat(core): add shared permission flow for tool execution unification by @B-A-M-N in https://github.com/QwenLM/qwen-code/pull/3723
* fix(cli): restore SubAgent shortcut focus by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/3771
**Full Changelog**: https://github.com/QwenLM/qwen-code/compare/v0.15.6...v0.15.6-nightly.20260501.8b6b0d64f