Thank you for the wonderful plugin. It really helps on a build server.
Here are a few suggestions for future builds that would help.

Full screen: Since you cannot do anything besides selections when it is active (Faded Background Only) could be easily full screen for easy selection.
Especialy for Prefabs and spawns.

Text Size: With a full screen update could easily increase text size for easier reading. (Spawns is still small text)

Again these are only suggestions. Enjoy the plugin !!