Update changelog 1.0.2-beta.71 (#2968)

CHANGELOG.en-US.md

@@ -1,5 +1,38 @@
 ## Changelog
 
+### 1.0.2-beta.71
+
+*2021-08-18*
+
+#### Features
+  
+- Table add new css var background-color (#2866 by @YunYouJun)
+- Switch add border color (#2933 by @HatemSat)
+- Add 'calendar-change' event to date-range datetime-range picker (#2964 by @iamkun)
+- Scrollbar add min-size prop (#2916 by @kooriookami)
+
+#### Bug fixes
+  
+- Button when(circle) use button-padding-vertical & add size demo (#2860 by @YunYouJun)
+- Drawer missing css var, close #2848 (#2861 by @YunYouJun)
+- Select options display fix when allow-create, also empty & entered #2826 #2854 (#2830 by @noah19846)
+- Locale update error url and remove useless code (#2852 by @zwwtj2014)
+- Comments update var button comments (#2896 by @liamfend)
+- Tabs add v-resize directive (#2886 by @kooriookami)
+- Tree undefined parent cause error on SSR (#2942 by @tolking)
+- Badge fix dot-badge color (#2943 by @ninedev-i)
+- Style allow custom alone color sass var (#2963 by @YunYouJun)
+- Pagination locale key correction (#2889 by @ioslh)
+- Pagination Fix that current-page and page-size do not support hyphen style when using v-model (#2884 by @LeeSamFong)
+
+#### Refactors
+  
+- Transition use sass map refactor & rename some transition (#2879 by @YunYouJun)
+- Tag use inherit css var way to simplify tag (#2878 by @YunYouJun)
+- Color add css var color for button & fix style for datepicker (#2869 by @YunYouJun)
+- Pagination optimize demo style (#2890 by @Eyes22798)
+- Var alert/badge/link/message/message-box/notification/tag (#2892 by @YunYouJun)
+
 ### 1.0.2-beta.70
 
 *2021-08-05*