Your account is on lemmy.ml, which had some downtime the other day to test a beta version of the 0.19.4 release. Unfortunately, there were major performance issues and the admins had to revert to the old version and go back to a backup of the database from before the upgrade.
While I can't guarantee that's the cause of your issue, it would explain why users from other instances aren't having the same problem.
Your account is on lemmy.ml, which had some downtime the other day to test a beta version of the 0.19.4 release. Unfortunately, there were major performance issues and the admins had to revert to the old version and go back to a backup of the database from before the upgrade.
While I can't guarantee that's the cause of your issue, it would explain why users from other instances aren't having the same problem.
Edit: here's some more context.