Twemoji 2.3.0 has a rendering issue in Safari, emoji can sometimes be followed by U+FEOF (which is just a flag meaning "render the preceding character as emoji).
Twemoji wasn't catching this character correctly, and Safari rendered it incorrectly.
Twemoji 2.5.0 resolves this issue.
Fixes#41584.
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git-svn-id: http://core.svn.wordpress.org/trunk@41090 1a063a9b-81f0-0310-95a4-ce76da25c4cd