Solved
Their site says that all related forms were sent out on or before January 31 of this year, and I went paperless, but I don't see any emails from them and it's not in my spam folder either.
Generally, you will not be issued a Form 1099-MISC if you have less than $600 to report.
You can always contact Twitch to verify that they did not send you a Form 1099-MISC.
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