What's Changed

❗️BREAKING CHANGES

• TabBar: 点击 subTabBar 选项时，返回的值从数组改成选项的值 @LeeJim (#846)

🚀 Features

• Slider: 属性 marks 支持动态响应 @LeeJim (#853)

🐞 Bug Fixes

• TabBar: 修复子选项激活时，父选项未展示激活的问题 @LeeJim (#846)
• Slider: 修复 disabled 状态下点击报错的问题 @LeeJim (#853)

🚧 Others

• TabBar: 新增单元测试 @LeeJim (#846)
• Upload: 新增单元测试 @anlyyao (#847)
• DropdownMenu: 新增单元测试 @LeeJim (#848)
• Slider: 新增单元测试 @LeeJim (#853)
• Picker: 新增单元测试 @LeeJim (#854)
• DateTimePicker: 新增单元测试 @LeeJim (#855)
• Sticky: 新增单元测试 @Perisiguiendo (#852)

Full Changelog: https://github.com/Tencent/tdesign-miniprogram/compare/0.20.0...0.21.0