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 </div>
 
 <p align="center">
-  <a href="#english">English</a> | <a href="#chinese">中文</a> | 📄 Technical Report:&nbsp;<a href="assets/GenericAgent_Technical_Report.pdf"><img src="https://img.shields.io/badge/-PDF-EA4335?logo=adobeacrobatreader&logoColor=white" alt="Technical Report PDF" height="18"/></a>&nbsp;<a href="https://github.com/JinyiHan99/GA-Technical-Report"><img src="https://img.shields.io/badge/-Code%20%26%20Data-181717?logo=github&logoColor=white" alt="Experiments & Reproduction Repo" height="18"/></a> | 📘 <a href="https://datawhalechina.github.io/hello-generic-agent/">教程</a>
+  <a href="#english">English</a> | <a href="#chinese">中文</a> | 📄 Technical Report:&nbsp;<a href="https://arxiv.org/abs/2604.17091"><img src="https://img.shields.io/badge/arXiv-2604.17091-b31b1b?logo=arxiv&logoColor=white" alt="arXiv" height="18"/></a>&nbsp;<a href="assets/GenericAgent_Technical_Report.pdf"><img src="https://img.shields.io/badge/-PDF-EA4335?logo=adobeacrobatreader&logoColor=white" alt="Technical Report PDF" height="18"/></a>&nbsp;<a href="https://github.com/JinyiHan99/GA-Technical-Report"><img src="https://img.shields.io/badge/-Code%20%26%20Data-181717?logo=github&logoColor=white" alt="Experiments & Reproduction Repo" height="18"/></a> | 📘 <a href="https://datawhalechina.github.io/hello-generic-agent/">教程</a>
 </p>
 
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@@ -59,6 +59,7 @@ After a few weeks, your agent instance will have a skill tree no one else in the
 
 ## 📅 Latest News
 
+- **2026-04-21:** 📄 [Technical Report released on arXiv](https://arxiv.org/abs/2604.17091) — *GenericAgent: A Token-Efficient Self-Evolving LLM Agent via Contextual Information Density Maximization*
 - **2026-04-11:** Introduced **L4 session archive memory** and scheduler cron integration
 - **2026-03-23:** Support personal WeChat as a bot frontend
 - **2026-03-10:** [Released million-scale Skill Library](https://mp.weixin.qq.com/s/q2gQ7YvWoiAcwxzaiwpuiQ?scene=1&click_id=7)
@@ -261,6 +262,7 @@ MIT License — see [LICENSE](LICENSE)
 
 ## 📅 最新动态
 
+- **2026-04-21:** 📄 [技术报告已发布至 arXiv](https://arxiv.org/abs/2604.17091) — *GenericAgent: A Token-Efficient Self-Evolving LLM Agent via Contextual Information Density Maximization*
 - **2026-04-11:** 引入 **L4 会话归档记忆**，并接入 scheduler cron 调度
 - **2026-03-23:** 支持个人微信接入作为 Bot 前端
 - **2026-03-10:** [发布百万级 Skill 库](https://mp.weixin.qq.com/s/q2gQ7YvWoiAcwxzaiwpuiQ?scene=1&click_id=7)