This is a small one that I noticed also appears on XenForo's own forum. If I am focused on something other than a text box, and press the "1" key, it redirects me to the home page (civfanatics.com).
I would love to be able to disable that, as I have the "1" key set to my change-tab key. Thus, if I have a few tabs up, and I press "1" to change tabs, the tab I switch to switches back to civfanatics.com.
(Vivaldi user with the tab-switching shortcuts, but the same thing happens if I press 1 in Firefox. Not sure why it seems to be a XenForo default, it was annoying when reading XenForo's forum trying to learn how to create themes, too)
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Aside from that, great job getting things up and running so quickly! I truly didn't expect to see that the migration was already done when I checked after getting home tonight. There's a few edges to smooth out, but so far it seems to pretty much be working.