Maximum supported texture resolution

Just checking - what is the maximum supported texture resolution - for mixed volume?

I believe it’s 8192x8192 on simulator, 16384x16384 on device. That’s for 2D textures; cube maps and 3D textures are subject to limits due to the way we map them to 2D textures.

Do you know if Unity Networking WWW Downloaded textures have smaller limits, or if there are downloaded texture settings needed for higher res support?

I do not know, but I would be surprised if images downloaded over the web API had a fixed size limit.