Erik Johnston

There is nothing show stopping here, but it is quite fiddly and convoluted (understandably) so I think we should be careful that these are the semantics we want going forward....

This seems relatively sane, modulo concerns with clients accidentally not cleaning up after themselves. (Plus to what extent this interacts with the request format for paginated sync). I wholeheartedly approve...

@anoadragon453 (or anyone) do you have any bandwidth to make the changes to the MSC? We should land the stuff that is already implemented and in use at the very...

The implementation in Synapse looks good to me. @clokep to confirm this MSC is up to date with the changes made in the implementation PR?

That query plan looks like its pulling out all receipts for a user. We should be able to refactor it to only check receipts for rooms that have push actions...

Are you seeing the increased CPU and disk space issues during the period of time the logs are showing `[purge]` messages? It looks like the way this is set up...

Removing `trust_identity_server_for_password_resets` seems fine, but I'm less sure about `account_threepid_delegate`. We don't seem to mention in the sample config that using it is delegated (its just in the UPGRADE notes),...

We should figure out if MSISDN is still a thing that is a) used and b) we want to continue to support. It would be nice to strip all this...

This appears blocked on https://github.com/matrix-org/matrix-doc/pull/3338 now?

Are people still seeing this issue? Specifically deleting devices not propagating over federation? There's been some work in this area over the past year IIRC. --- > Is there a...