As of 0a16, WebGL projects now crash on startup in the browser after displaying the official splash. Tested on Windows 10 with Chrome, Edge and Firefox. I've only tested with URP since that's what I use. "[.WebGL-000009740D3D8E00] GL_INVALID_OPERATION: It is undefined behaviour to use a uniform buffer that is too small." Live build of the issue with the URP template (compression is disabled - although it happens regardless): https://tentatively.online/open/issues/2022_1_0a16_URP_WebGL/ Edit: Firefox also displays this, which could be related: "WebGL warning: drawElementsInstanced: Buffer for uniform block is smaller than UNIFORM_BLOCK_DATA_SIZE."