Final Things (Version control, optimizations)
Version Control
If you are putting a lot of time and effort into a world, version control is a must (lest you end up like me and lose your work). Version control tracks the changes you make to your project and allows you to revert your project to previous states (indispensable if something goes wrong).
Working on a world, you are most likely going to be one person on a single computer, so I would simply recommend using using Sourcetree[www.sourcetreeapp.com].
Optimization (Review)
World Creation, Optimization, and Community Labs Tips[docs.vrchat.com]
Quest Content Optimization[docs.vrchat.com]
Bake occlusion culling
Remember, occlusion culling only affects the visual rendering of objects! Objects out of view will still be processed and affect performance!
Make sure to include toggles on performance heavy gameobjects, for example:
Use the Unity profiler! It will help you find things in your world that are causing performance to drop the most! This is especially useful for figuring out how to optimize scripts!