4.3.6 → 4.3.8 No - it upgrades sql-lite, I use postgres
4.4.3 → 4.4.5 The migration changes the name of the favicon from favicon.ico to favicon.png . Unrelated to DB
4.4.5 → 4.5.1 If you read my post I ask this very question - the migration is marked as optional if your server does not start. My server starts