Textures import takes too long

[Peter77]

Unity Technologies are working on texture import optimizations for Unity 2021.1, see:

2021 texture import optimizations

Heads up: we've been spending some time on optimizing texture import times. Textures typically take up majority of game assets, and usually people spend a lot of time staring at progress bars, waiting for them to import or compress. While there are things like Accelerator (née Cache Server) that can alleviate that pain, it still sounded like a good idea to invest some time in. So! Here's what we see in our tests, in 2021.1a7, compared to 2020.2a21. The timings below are on my PC (1st gen Threa…