Update changelog with comfyui v0.3.70 (#569)

* Add/update changelog/index.mdx

* Add/update zh-CN/changelog/index.mdx

Author: coderfromthenorth93

changelog/index.mdx

@@ -4,6 +4,27 @@ description: "Track ComfyUI's latest features, improvements, and bug fixes"
 icon: "clock-rotate-left"
 ---
 
+<Update label="v0.3.70" description="November 19, 2025">
+
+**CUDA 12.6 Support & Distribution**
+- Added official CUDA 12.6 release workflow and portable download support for enhanced GPU compatibility
+- Updated README with corrected portable download links for streamlined installation
+
+**Model Compatibility & Fixes**
+- **HunYuan 3D 2.0 Support**: Fixed compatibility issues for improved 3D model generation workflows
+- **EasyCache Improvements**: Resolved input/output channel mismatches that affected certain model configurations
+- Enhanced block swap functionality by removing potentially harmful native custom node implementations
+
+**API Node Enhancements**
+- **New Gemini Models Added**: Expanded AI model options for text and multimodal generation workflows
+- Improved API node development infrastructure with updated PR templates and Python 3.10 minimum version requirements
+
+**Development & Infrastructure**
+- Enhanced pylint configuration for better code quality in custom node development
+- Improved release automation and distribution processes for more reliable updates
+
+</Update>
+
 <Update label="v0.3.69" description="November 18, 2025">
 
 **Memory & Performance Optimizations**
@@ -73,7 +94,6 @@ icon: "clock-rotate-left"
 - Template updates to version 0.2.4
 
 </Update>
-
 <Update label="v0.3.66" description="October 21, 2025">
 
 **Frontend Updates**

zh-CN/changelog/index.mdx

@@ -4,6 +4,26 @@ description: "跟踪ComfyUI的最新功能、改进和错误修复"
 icon: "clock-rotate-left"
 ---
 
+<Update label="v0.3.70" description="2025年11月19日">
+
+**CUDA 12.6支持与分发**
+- 添加了官方CUDA 12.6发布工作流程和便携式下载支持，增强GPU兼容性
+- 更新了README文档，修正了便携式下载链接，简化安装流程
+
+**模型兼容性与修复**
+- **HunYuan 3D 2.0支持**：修复了兼容性问题，改进了3D模型生成工作流
+- **EasyCache改进**：解决了输入/输出通道不匹配问题，该问题影响了某些模型配置
+- 通过移除可能有害的原生自定义节点实现，增强了block swap功能
+
+**API节点增强**
+- **新增Gemini模型**：扩展了AI模型选项，支持文本和多模态生成工作流
+- 改进了API节点开发基础设施，更新了PR模板并将Python最低版本要求提升至3.10
+
+**开发与基础设施**
+- 增强了pylint配置，提高自定义节点开发中的代码质量
+- 改进了发布自动化和分发流程，确保更可靠的更新
+
+</Update>
 <Update label="v0.3.69" description="2025年11月18日">
 
 **内存与性能优化**