How to speed up Material Update

Hi, everyone! I’m sure I am not first one, who noticed that, but after updating to version 4.17-4.18 materials compile are greatly slowed down. I’m not talking about compiling shaders, but about updating material preview in content editor.

While my specs: DualCore Intel Core i3-6100, 3700 MHz, Kingston HyperX DDR4-2133 16GB RAM, MSI GTX 1050 Ti, 4GB (GDDR5), and I know it’s not really powerful, but I didn’t have to wait 1-2 minutes after each change of simple material (one texture or even flat color), when I used UE 4.10-4.16.

So my question is: Can I somehow adjust the material editor settings, so material update don’t take so long?