Steam will automatically download and install the v1.8 update. If it does not trigger, restart your Steam client or right-click RPG Maker MZ > Properties > Updates.
Reduced crashes during prolonged map-editing sessions. RPG Maker MZ v1.8
RPG Maker MZ is the premier engine for grid-based role-playing games. The v1.8 update represents a major milestone in the engine's lifecycle. It delivers critical stability patches, workflow optimization, and enhanced engine performance. Steam will automatically download and install the v1
Layering tiles in MZ is much more flexible than in previous engines, but complex autotile layers historically caused CPU spikes. Version 1.8 refines the WebGL rendering pipeline, ensuring that parallax backgrounds and multiple tile layers render efficiently at 60 FPS. Bug Fixes and Stability Improvements RPG Maker MZ v1.8