4.1.0

What's Changed

• Alter table LOCK=SHARED by @fogelito in #752
• Sync locks by @abnegate in #755
• Feat: Custom types by @lohanidamodar in #756
• Fix vector methods(count, upsert, sum) by @ArnabChatterjee20k in #757
• Fix DDL cleanup by @abnegate in #758

Full Changelog: 4.0.1...4.1.0