The LiveDB box opens in a few seconds, the list of materials (when you select a category) takes very long to display. The Misc section takes more than a minute.
I did some more testing.
The previous version of the plugin (3_7_0_85) loads LiveDB in a second, the new version (3_08_0_86) takes very long. Same happens withe RC1 version of the standalone.
I checked firewall, but octane has all permissions (and it is not blocked since the list eventually appears)
There are other people experiencing the same problem (see viewtopic.php?f=85&t=65728&p=332835&hilit=livedb#p332835
Configuration: Windows 10 64bit Creators Edition, I7 6850K, 128GB, 2 GeForce 1080ti, P11 Pro SR6