As other commentary here says, there is a real and alarming problem with spam in public rooms on the public server. On the other hand, a private server with just people who trust each other is fairly phenomenal.

However, TFA seems to be in general about an upgrade to fix the following: "“state resets”: scenarios where Matrix’s state resolution algorithm can give unexpected results".

If room states become more stable, that is great.

Thanks to the Matrix team for all their efforts. Much gratitude.