New features

• Drawer
  • Add drawer component (#16577 by @JeremyWuuuuu)

Bug fixes

• Checkbox
  • Enhance css selector (#16006 by @Hazlank)
• Tree
  • Make el-tree generic (#15934 by @JeremyWuuuuu)
  • Set isCurrent prop to False (#15870 by @kkkisme)
• Dropdown
  • Fix split-button caret default color (#15931 by @JuniorTour)
• Cascader
  • Fix level 1 children is empty update problem (#16399 by @luckyCao)
  • Display correct header when range is specified (#16354 by @ziyoung)
  • Add sets default values when lazy is true (#16420 by @luckyCao)
  • Fix display errors (#15935 by @junyiz)
  • Expose getCheckedNodes and fix options change bug (#16709 by @SimonaliaChen)
• Submenu
  • Fix prop append-to-body (#16289 by @a631807682)
• Table
  • Fix tree table when updating data (#16481 by @island205)
• Select
  • Fix memory leak issue (#16463 by @island205)
• InfiniteScroll
  • Update naming & doc (#16698 by @iamkun)
• Avatar
  • Fix image not center vertically issue (#16489 by @luckyCao)
• Dialog
  • Add destroyOnClose attribute (#16455 by @ziyoung)
• Image
  • Add big Image preview feature (#16333 by @luckyCao)

Optimization

• Docs
  • Fix dropdown demo (#16193 by @webxmsj)
  • Fix typo in table documents (#15971 by @howiefh)
• I18n
  • Update translation of Thai language (#16689 by @ponkrit)
• Chore
  • Update theme base api (#16607 by @iamkun)
  • Add form theme token (#16699 by @iamkun)
  • Mark ali inner user's access (#16609 by @iamkun)
  • Fix doc anchor bug (#16692 by @iamkun)

新特性

• Drawer
  • 新增抽屉组件 (#16577 by @JeremyWuuuuu)

Bug 修复

• Checkbox
  • 修复 CSS 样式问题 (#16006 by @Hazlank)
• Tree
  • 更新类型定义为泛类型 (#15934 by @JeremyWuuuuu)
  • 修复设置节点 isCurrent 的为 false 的问题 (#15870 by @kkkisme)
• Dropdown
  • 更新 split-button 默认颜色 (#15931 by @JuniorTour)
• Cascader
  • 修复一级菜单更新问题 (#16399 by @luckyCao)
  • 更新显示正确的 header 的逻辑 (#16354 by @ziyoung)
  • 懒加载时设默认值 (#16420 by @luckyCao)
  • 修复显示问题 (#15935 by @junyiz)
  • 对外暴露 getCheckedNodes 和修复 option 问题 (#16709 by @SimonaliaChen)
• Submenu
  • 修复 append-to-body 问题 (#16289 by @a631807682)
• Table
  • 修复 tree table 数据更新问题 (#16481 by @island205)
• Select
  • 修复内存泄漏问题 (#16463 by @island205)
• InfiniteScroll
  • 更新命名和说明 (#16698 by @iamkun)
• Avatar
  • 修复图片不居中的问题 (#16489 by @luckyCao)
• Dialog
  • 增加 destroyOnClose 属性 (#16455 by @ziyoung)
• Image
  • 增加大图预览 (#16333 by @luckyCao)

优化

• Docs
  • 修复 dropdown 示例 (#16193 by @webxmsj)
  • 修正笔误 (#15971 by @howiefh)
• I18n
  • 更新泰文翻译 (#16689 by @ponkrit)
• Chore
  • 更新基础 API 地址 (#16607 by @iamkun)
  • 增加 Form 的主题 token (#16699 by @iamkun)
  • 更新统计 (#16609 by @iamkun)
  • 修复文档锚点问题 (#16692 by @iamkun)