Merge pull request #5006 from LLK/hotfix/automod-feb16

[Develop] Hotfix/automod feb16

src/lib/relative-time-polyfill.js

@@ -6,8 +6,10 @@
 // safari <14. These seven account for most uses.
 // relativetimeformat depends on locale which also needs to be polyfilled in
 // safari <14
+// The plural rules is required for safari 12.
 require('@formatjs/intl-locale/polyfill');
-require('@formatjs/intl-pluralrules');
+require('@formatjs/intl-pluralrules/polyfill');
+require('@formatjs/intl-pluralrules/locale-data/en');
 require('@formatjs/intl-relativetimeformat/polyfill');
 require('@formatjs/intl-relativetimeformat/locale-data/en');
 require('@formatjs/intl-relativetimeformat/locale-data/ar');