## 更新内容
* 维护：移除仓库特定提示 by @jackwotherspoon in https://github.com/google-gemini/gemini-cli/pull/15164
* 维护：在调试模式下从页脚移除用户查询 by @jackwotherspoon in https://github.com/google-gemini/gemini-cli/pull/15169
* 禁止不必要的 await 操作。 by @gundermanc in https://github.com/google-gemini/gemini-cli/pull/15172
* 在设置对话框的填充中加一以避免闪烁。 by @jacob314 in https://github.com/google-gemini/gemini-cli/pull/15173
* 功能（核心）：引入远程代理基础设施并重命名本地执行器 by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15110
* 功能（CLI）：添加 `/auth logout` 命令以清除凭据和认证状态 by @CN-Scars in https://github.com/google-gemini/gemini-cli/pull/13383
* （修复）自动 PR 标签器 by @DaanVersavel in https://github.com/google-gemini/gemini-cli/pull/14885
* 功能：在 Gemini CLI 中发布 Gemini 3 Flash ⚡️⚡️⚡️ by @scidomino in https://github.com/google-gemini/gemini-cli/pull/15196
* 重构：将 ripGrep.ts 中的 console.error 迁移到 debugLogger by @Adib234 in https://github.com/google-gemini/gemini-cli/pull/15201
* 维护：将 a2a-js 更新至 0.3.7 by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15197
* 维护（核心）：移除冗余的 isModelAvailabilityServiceEnabled 开关并清理无效代码 by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15207
* 功能（核心）：延迟解析 `GenerateContentConfig` 并减少变更。 by @joshualitt in https://github.com/google-gemini/gemini-cli/pull/14920
* 如果远程标志中的 previewFeatures 值为 undefined，则予以遵循 by @sehoon38 in https://github.com/google-gemini/gemini-cli/pull/15214
* 功能（UI）：添加 Windows 剪贴板图像支持和 Alt+V 粘贴变通方案 by @jacob314 in https://github.com/google-gemini/gemini-cli/pull/15218
* 维护（核心）：移除遗留的回退标志并迁移循环检测 by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15213
* 修复（UI）：防止过早的斜杠命令补全隐藏同级命令 by @SandyTao520 in https://github.com/google-gemini/gemini-cli/pull/15224
* 文档：更新 2025年12月17日的更新日志 by @jkcinouye in https://github.com/google-gemini/gemini-cli/pull/15204
* 代码辅助后端遥测：用于用户接受/拒绝建议 by @gundermanc in https://github.com/google-gemini/gemini-cli/pull/15206
* 修复（CLI）：修正聊天命令的初始历史记录长度处理 by @SandyTao520 in https://github.com/google-gemini/gemini-cli/pull/15223
## 新贡献者
* @CN-Scars 在 https://github.com/google-gemini/gemini-cli/pull/13383 中首次贡献
**完整更新日志**：https://github.com/google-gemini/gemini-cli/compare/v0.21.0-nightly.20251217.db643e916...v0.21.0-nightly.20251218.739c02bd6
## What's Changed
* chore: remove repo specific tips by @jackwotherspoon in https://github.com/google-gemini/gemini-cli/pull/15164
* chore: remove user query from footer in debug mode by @jackwotherspoon in https://github.com/google-gemini/gemini-cli/pull/15169
* Disallow unnecessary awaits. by @gundermanc in https://github.com/google-gemini/gemini-cli/pull/15172
* Add one to the padding in settings dialog to avoid flicker. by @jacob314 in https://github.com/google-gemini/gemini-cli/pull/15173
* feat(core): introduce remote agent infrastructure and rename local executor by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15110
* feat(cli): Add `/auth logout` command to clear credentials and auth state by @CN-Scars in https://github.com/google-gemini/gemini-cli/pull/13383
* (fix) Automated pr labeller by @DaanVersavel in https://github.com/google-gemini/gemini-cli/pull/14885
* feat: launch Gemini 3 Flash in Gemini CLI ⚡️⚡️⚡️ by @scidomino in https://github.com/google-gemini/gemini-cli/pull/15196
* Refactor: Migrate console.error in ripGrep.ts to debugLogger by @Adib234 in https://github.com/google-gemini/gemini-cli/pull/15201
* chore: update a2a-js to 0.3.7 by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15197
* chore(core): remove redundant isModelAvailabilityServiceEnabled toggle and clean up dead code by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15207
* feat(core): Late resolve `GenerateContentConfig`s and reduce mutation. by @joshualitt in https://github.com/google-gemini/gemini-cli/pull/14920
* Respect previewFeatures value from the remote flag if undefined by @sehoon38 in https://github.com/google-gemini/gemini-cli/pull/15214
* feat(ui): add Windows clipboard image support and Alt+V paste workaround by @jacob314 in https://github.com/google-gemini/gemini-cli/pull/15218
* chore(core): remove legacy fallback flags and migrate loop detection by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/15213
* fix(ui): Prevent eager slash command completion hiding sibling commands by @SandyTao520 in https://github.com/google-gemini/gemini-cli/pull/15224
* Docs: Update Changelog for Dec 17, 2025 by @jkcinouye in https://github.com/google-gemini/gemini-cli/pull/15204
* Code Assist backend telemetry for user accept/reject of suggestions by @gundermanc in https://github.com/google-gemini/gemini-cli/pull/15206
* fix(cli): correct initial history length handling for chat commands by @SandyTao520 in https://github.com/google-gemini/gemini-cli/pull/15223
## New Contributors
* @CN-Scars made their first contribution in https://github.com/google-gemini/gemini-cli/pull/13383
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.21.0-nightly.20251217.db643e916...v0.21.0-nightly.20251218.739c02bd6