Merge pull request #890 from garylin2099/ci_dev

update readme

Author: garylin2099

README.md

@@ -26,7 +26,7 @@
 </p>
 
 ## News
-🚀 Feb. 08, 2024: [v0.7.0](https://github.com/geekan/MetaGPT/releases/tag/v0.7.0) released, introducing much easier configuration interface, as well as a versatile agent CodeInterpreter.
+🚀 Feb. 08, 2024: [v0.7.0](https://github.com/geekan/MetaGPT/releases/tag/v0.7.0) released, supporting assigning different LLMs to different Roles. We also introduced CodeInterpreter, a powerful agent capable of solving a wide range of real-world problems.
 
 🚀 Jan. 16, 2024: Our paper [MetaGPT: Meta Programming for A Multi-Agent Collaborative Framework
 ](https://arxiv.org/abs/2308.00352) accepted for oral presentation **(top 1.2%)** at ICLR 2024, **ranking #1** in the LLM-based Agent category.