When starting a fresh game, the in-game chat is disappeared due to a wrong auto-generated options.txt, you can see this comparision between 22w11a's and 22w12a's below (this issue is caused by the default value of "chatScale" is changed from 1.0 to 0.0):
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It's not a bug, you have the chat text size off (chatScale:0.0)
Change it to 1.0 and the problem will be fixed.
@Solo Alguien It's seems caused by a wrong auto-generated options.txt, see the differences between 22w11a's and 22w12a's default options.txt below:
[media]Can confirm. If you want to reproduce, delete or rename options.txt and load up the snapshot. This will create a new options.txt, which will have a default chatScale option of 0.0.
I was unable to reproduce this. What is your chat settings set to?