Custom materials have changed the game a bit! When you have a fair number of custom materials, having a more detailed preview has been pretty useful. Is having a grid of smaller icons important for your workflow? We were exploring the idea of adjustable preview sizes, but that work ended up being a bit out of scope for the release.
Have you been able to use it for a bit and get a feel for the tool? I’m especially curious to hear if you’ve tried the features under the Rapid Selection and Rapid Application bullets above, to see if those meet your needs for your workflow.