You claim:

> There's a bunch of outdated info in here

Then link to a 3 week old issue and a repo that didn't meaningfully exist until two months ago? Wow.

If you consider that to be outdated, then that reinforces the OP's point about Matrix being difficult to host.

> at this point the old app is just not being developed; we don't have bandwidth to do both.

You're wording that as if it's a good excuse for providing a poor user experience. It's not.