## What's Changed
* mcp config as cli by @eliird in https://github.com/QwenLM/qwen-code/pull/1279
* fix(cli): refresh static header on model switch by @pomelo-nwu in https://github.com/QwenLM/qwen-code/pull/3667
* feat(core): wire background shells into the task_stop tool by @wenshao in https://github.com/QwenLM/qwen-code/pull/3687
* feat(skills): add tmux-real-user-testing skill for readable TUI test logs by @pomelo-nwu in https://github.com/QwenLM/qwen-code/pull/3577
* feat(cli): wire background shells into combined Background tasks dialog by @wenshao in https://github.com/QwenLM/qwen-code/pull/3720
* fix(core): inject reasoning_content on DeepSeek tool-call replays by @tanzhenxin in https://github.com/QwenLM/qwen-code/pull/3729
## New Contributors
* @eliird made their first contribution in https://github.com/QwenLM/qwen-code/pull/1279
**Full Changelog**: https://github.com/QwenLM/qwen-code/compare/v0.15.4...v0.15.5-preview.0