Joplin cloud sync seems extremely slow right now - very small changes leave the sync spinner going and seem stuck. (But "check synch config" says all is well.)

Completed: 2023-07-10 8:56 PM (466s)
Last error: Sync target lock error: syncLockGone. Original error was: Error 504 Gateway Timeout: 504 Gateway Time-out

504 Gateway Time-out


nginx/1.18.0 (Ubuntu)

Joplin 2.9.17 (prod, win32)
Client ID: ef30f90de1df45ee92e636dc6485b4fe
Sync Version: 3
Profile Version: 41
Keychain Supported: Yes
Revision: a84a8e7
Win 10.

It worked OK just a few hours ago.