新特性

• DatePicker
  • 新增 validate-event 属性 (by @ziyoung in #13531)
• DateTimePicker
  • pickerOptions 支持 selectableRange 选项 (by @eeeeeeeason)
• Tag
  • 新增 click 事件 (by @licdream in #14106)
• I18n
  • 新增 柯尔克孜语 (Kyrgyz) (by @zzjframework in #14174)

优化

• 升级到 webpack@4 (by @jikkai in #14173)
• Input
  • 简化内部实现，遵循单向数据流；修复若干相关 Bug (by @wacky6 in #13471)
• 更新 Axure 文件，增加新组件 (by @ziyoung in #13773)

修复

• Autocomplete
  • 修正下拉框最后一行显示不完整的问题 (#13597) (by @ziyoung)
  • 修正下拉框箭头 (#13762) (by @liuchuzhang)
• Carousel
  • 组件销毁时释放内部 Timer (#13820) (by @elfman)
• Cascader
  • 移除已废弃的计算属性的 cache 属性 (#13737) (by @iamkun)
  • 修正 TypeScript 中 CascaderOption 类型定义 (#13613) (by @NateScarlet)
  • 修正图标覆盖文字的问题 (#13596) (by @ziyoung)
• Checkbox
  • 改进显示样式 (by @PanJiaChen)
• DatePicker
  • 修正 TimeSpinner 中缺失的 v-for key 属性 (#13547) (by @Ende93)
  • 修正周选择器在跨年时的高亮行为 (#13883) (by @suyi91)
• Input
  • 修复 textarea 时的 DOM 节点引用 (#13803) (by @laomu1988 @island205)
• Pagination
  • 输入框的值不会小于 1 (#13727) (by @elfman)
• Popover
  • 修正 hover 的触发行为 (#13104) (by @goldengecko)
  • 修正弹出框的内存泄漏 (#13988) (by @qpxtWhite)
• Radio
  • 改进显示样式 (by @ohhoney1)
• Table
  • 改进点击排序箭头时的行为 (#12890) (by @ohhoney1)
  • 修正 IE10+ 中 “暂无数据” 提示的垂直布局 (#13638) (by @imzjy)
  • 修正文档中 index 的类型说明 (#13628) (by @ilovefafa)
  • 修正多级表头使用 fixed 属性时，表尾合计行的显示样式 (#13914) (by @luckyCao)
• Tabs
  • 修正自动滚动 (#13696) (by @iamkun)
  • 通过面板名称查找面板 (#13705) (by @iamkun)
  • 使用 paneName 计算面板样式 (#13733) (by @iamkun)
• Tree
  • 修正 showCheckbox 不能影响子节点的问题 (by @KidneyFlower)
  • 更新文档和 TypeScript 定义 (#13540) (by @ziyoung)
• Upload
  • list-type 改变时，保留 url 属性 (#13771) (by @elfman)
• Slider
  • 修正源代码缩进 (#13955) (by @wacky6)
• I18n
  • 补充加泰罗尼亚语 (Catalan) 翻译 (by @jaumesala)
  • 补充俄语 (Russian) 翻译 (#13658) (by @justlp)
  • 补充芬兰语 (Finnish) 翻译 (#14137) (by @jenkrisu)
• Doc
  • 更新西班牙语文档至 2.4.11 (#13522) (by @Gonzalo2310)
• 其它
  • 移除多余的构建脚本 (by @ziyoung)
  • 修正文档超链接 (#13753) (by @iamkun)
  • 修正文档中不一致的大小写 (by @wonderjar)
  • 增加钉钉群的二维码 (#13957) (by @iamkun)
  • .gitignore 增加 yarn 日志文件 (#13922) (by @mimimi)
  • 移除赞助商 多态 (#14156) (by @island205)
  • Update readme qr code src (#13960) (by @iamkun)
  • 更新 CDN 链接，修正错别字 (by @ziyoung)

New features

• DatePicker
  • Add validate-event attribute (by @ziyoung in #13531)
• DateTimePicker
  • pickerOptions support selectableRange option (by @eeeeeeeason)
• Tag
  • Add click event (by @licdream in #14106)
• I18n
  • support Kyrgyz language (by @zzjframework in #14174)

Optimization

• Upgrade to webpack@4 (by @jikkai in #14173)
• Input
  • Simplify implementation, follow one-way data flow. Fix several related bugs. (by @wacky6 in #13471)
• Update Axure file，add new components (by @ziyoung in #13773)

Bug fixes

• Autocomplete
  • Fix dropdown's last line beging clipped (#13597) (by @ziyoung)
  • Fix missing popper arrow (#13762) (by @liuchuzhang)
• Carousel
  • Cleanup timer when component is destroyed (#13820) (by @elfman)
• Cascader
  • Remove deprecated property of computed props (#13737) (by @iamkun)
  • Fix CascaderOption's type definition in TypeScript (#13613) (by @NateScarlet)
  • Fix icon covering the text (#13596) (by @ziyoung)
• Checkbox
  • Refine style (by @PanJiaChen)
• DatePicker
  • Add missing v-for key in TimeSpinner (#13547) (by @Ende93)
  • Fix week highlight on year boundary (#13883) (by @suyi91)
• Input
  • Fix textarea DOM node reference (#13803) (by @laomu1988 @island205)
• Pagination
  • Input value won't be less than 1 (#13727) (by @elfman)
• Popover
  • Fix popover issues with hover trigger (#13104) (by @goldengecko)
  • Fix popper instance memory leak (#13988) (by @qpxtWhite)
• Radio
  • Refine style (by @ohhoney1)
• Table
  • Enhanced table sorting when clicking on the sorting arrow (#12890) (by @ohhoney1)
  • Fix empty text vertical alignment issue on IE10+ (#13638) (by @imzjy)
  • Fix index type documentation (#13628) (by @ilovefafa)
  • Fix show-summary display issue when multilevel header has fixed attr (#13914) (by @luckyCao)
• Tabs
  • Fix auto scroll bug (#13696) (by @iamkun)
  • Get the correct tab through tab name (#13705) (by @iamkun)
  • Use paneName instead of name to determine pane style (#13733) (by @iamkun)
• Tree
  • Fix showCheckbox prop on Tree can not affect their children tree-node (by @KidneyFlower)
  • Update doc and definition file (#13540) (by @ziyoung)
• Upload
  • Add url prop to upload file when list-type changed (#13771) (by @elfman)
• Slider
  • Fix source code indentation (#13955) (by @wacky6)
• I18n
  • Add missing Catalan translations (by @jaumesala)
  • Add missing ru translation (#13658) (by @justlp)
  • Fix Finnish translations (#14137) (by @jenkrisu)
• Doc
  • Update Spanish doc 2.4.11 (#13522) (by @Gonzalo2310)
• Others
  • Remove unnecessary script (by @ziyoung)
  • Fix error anchor link (#13753) (by @iamkun)
  • Fix inconsistent capitalization in documentation (by @wonderjar)
  • Add DingDing chat group qr code to readme (#13957) (by @iamkun)
  • Add yarn logs to .gitignore (#13922) (by @mimimi)
  • Remove sponsor duotai (#14156) (by @island205)
  • Update readme qr code src (#13960) (by @iamkun)
  • Update CDN link, fix typo (by @ziyoung)