What's Changed
Switch to using ZOS cached math and string functions to mitigate performance impact.
Optimizations to 3D system object rendering.
Miscellaneous performance optimizations and cleanup
Full Changelog: U42-V2...U42-V3
Edit: 3.12.2 contains bugfixes for a UI error that could occur when the important attack system was triggered by a player that had not been logged in the database.