Returning to the classic client after a few years - What on Earth is going on with interface and UI?

I’ve been mostly away from the game or playing retail lately, so returning to the Classic client has been absolutely bizarre.

When I first logged on, my ElvUI was screwing up - profiles were resetting until I would go through half the install process again, before the installation process would screw up, and reloading would fix everything.

Weird, but just an ElvUI thing probably so whatever. Then last night I log on one realm, make a character, and then log off to play with a friend. I log over to another server, make another character, and log in to all my keybinds account-wide being reset. How does that even happen? So I take the time to redo them all from memory and play for a bit.

Well this morning, I log in, and surprise, my addon profile is completely broken. All my addons have been re-enabled and the addons I have disabled or for only one character are now turned on for all of them. Thankfully I have ACP so it’s easy to reload my profile, but I’m convinced at this point something is screwey with the client. Three separate major errors occurring in-between logging characters in the span of less than 48 hours? How does that even happen? What on earth is going wrong and how can I fix this?

they want classic dead. and they want us ready to pay for their “next 3 expansions” as they “transition” us to retail. they nuked classic era clients by updating them to the same as this “Season of Discovery” so classic era is no longer “forever vanilla”. I would turn the other way and save yourself 17$. I am not renewing my SUB because they once again failed.