docs(changelog): 2.12.21

docs/markdown/changelog.en-US.md

@@ -16,6 +16,24 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
 
 ## Details
 
+### [v2.12.21](https://github.com/youzan/vant/compare/v2.12.20...v2.12.21)
+
+`2021-06-03`
+
+**Feature**
+
+- Button: add icon slot [#8784](https://github.com/youzan/vant/issues/8784)
+- CouponList: add list-footer、disabled-list-footer slot [#8797](https://github.com/youzan/vant/issues/8797)
+- Locale: add French translations [#8795](https://github.com/youzan/vant/issues/8795)
+
+**Bug Fixes**
+
+- CellGroup: fix render error in loop [#8787](https://github.com/youzan/vant/issues/8787)
+- Collapse: fix safari rendering issues [#8788](https://github.com/youzan/vant/issues/8788)
+- List: remove unused Less var @list-icon-margin-right [#8758](https://github.com/youzan/vant/issues/8758)
+- NoticeBar: failed to play when inside a re-opened popup [#8791](https://github.com/youzan/vant/issues/8791)
+- Tabs: setLine when popup reopened [#8792](https://github.com/youzan/vant/issues/8792)
+
 ### [v2.12.20](https://github.com/youzan/vant/compare/v2.12.19...v2.12.20)
 
 `2021-05-23`

docs/markdown/changelog.zh-CN.md

@@ -16,6 +16,24 @@ Vant 遵循 [Semver](https://semver.org/lang/zh-CN/) 语义化版本规范。
 
 ## 更新内容
 
+### [v2.12.21](https://github.com/youzan/vant/compare/v2.12.20...v2.12.21)
+
+`2021-06-03`
+
+**Feature**
+
+- Button: 新增 icon 插槽 [#8784](https://github.com/youzan/vant/issues/8784)
+- CouponList: 新增 list-footer、disabled-list-footer 插槽 [#8797](https://github.com/youzan/vant/issues/8797)
+- Locale: 新增 French 法语语言包 [#8795](https://github.com/youzan/vant/issues/8795)
+
+**Bug Fixes**
+
+- CellGroup: 修复在 `v-for` 循环内使用时渲染异常的问题 [#8787](https://github.com/youzan/vant/issues/8787)
+- Collapse: 修复在 safari 上可能出现渲染异常的问题 [#8788](https://github.com/youzan/vant/issues/8788)
+- List: 移除无效的 @list-icon-margin-right 变量 [#8758](https://github.com/youzan/vant/issues/8758)
+- NoticeBar: 修复在 Popup 内嵌套使用时无法正常播放的问题 [#8791](https://github.com/youzan/vant/issues/8791)
+- Tabs: 修复在 Popup 内嵌套使用时底部条位置错误的问题 [#8792](https://github.com/youzan/vant/issues/8792)
+
 ### [v2.12.20](https://github.com/youzan/vant/compare/v2.12.19...v2.12.20)
 
 `2021-05-23`

src/coupon-list/README.md

@@ -130,10 +130,10 @@ export default {
 
 ### CouponList Slots
 
-| Name                 | Description                     |
+| Name                            | Description                     |
-| -------------------- | ------------------------------- |
+| ------------------------------- | ------------------------------- |
-| list-footer          | Coupon list bottom              |
+| list-footer `v2.12.21`          | Coupon list bottom              |
-| disabled-list-footer | Unavailable coupons list bottom |
+| disabled-list-footer `v2.12.21` | Unavailable coupons list bottom |
 
 ### Less Variables
 

src/coupon-list/README.zh-CN.md

@@ -132,10 +132,10 @@ export default {
 
 ### CouponList Slots
 
-| 名称                 | 说明                 |
+| 名称                            | 说明                 |
-| -------------------- | -------------------- |
+| ------------------------------- | -------------------- |
-| list-footer          | 优惠券列表底部       |
+| list-footer `v2.12.21`          | 优惠券列表底部       |
-| disabled-list-footer | 不可用优惠券列表底部 |
+| disabled-list-footer `v2.12.21` | 不可用优惠券列表底部 |
 
 ### 样式变量