Yep, that’s fixed it.
I bet you wish all bugs were so easy to squish. Many thanks for such a quick response and fix.
If you get the “SQLiteException: no such column: metadata_dirty” error message when synchronizing contacts, please have a look at FAQ: SQLiteException: no such column: metadata_dirty
hotfix in collection sync algorithm (fixes that all local contacts/events are sometimes gone when the server invalidates the sync token)
minor bug fixes and improvements