Chuckya handles emoji reactions pretty well, but it doesn't solve my biggest problem with them:

"Fuck all my friends are on vanilla Mastodon instances!"

@SymTrkl or gts, or glitch
@agatha Some glitch instances have it, backported from Chuckya.
@SymTrkl I have good news and bad news about the instance of one of your friends
@olivvybee The funny thing is, when I tried GTS, I could've sworn it had react support. 
@SymTrkl It does! But only if you want to react with a star