• Add an alias API for making possible to rename existing (and so after missing) namespaceID
• Add halplibe 5.3.1 as requirement
• Fix client not showing conflict screen with online server

• Fix server startup

• Fix missing screen not showing where they was only block missing
• Specify in missing screen if id is item or block

• Prevent race condition by making instance loading lazy
• Fix server crash when world directory is not yet created

Useless Numerical

No more conflict with integer IDs in BTA