Do it this way:
- Remove all modules, because many are built into the engine that will allow you to make a full-fledged game, but only in 3D
- Remove the logo in version 6 (-50 KB)
- Go to the editor files and rename 3 files to anything along the way - “…Editor\6000.0.31f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Resources”. It seems like these are all sorts of sprites by default, so far it has not caused errors if you do not use the built-in sprites (-130 KB)
- [Experimental solution] The question of how I deleted the XR shaders is to make the packages local in the project, after which there will be access to all files directly, I did so with the Universal RP package (Unity - Manual: Install a UPM package from a local folder ). After deleting the shaders, an error appeared that does not break anything, but which I have not yet figured out how to fix, because it leads to an auto-script in which there is nothing, the error is that it does not find shaders to add them to the database. To remove garbage prefabs, you need to make a local Core RP package. What I have realized so far is that if you delete something that is not required, it can lead to such errors that you will have to reinstall the edit editor. This method is for those who know what they are doing. I hope the developers will pay attention to this misunderstanding. Here I also unsubscribed - Unity 6 updates for platforms - #17 by Gamma_Snaplight . You can support my post there too