About dates: the easiest solution is to let users select the desired format. I'll roll it out in the next major update, so sit tight for a few more days.

>Question though - am I crazy or is it impossible to link to a post from a different board

The cross-board citing syntax is >>>/board/123.

>I believe I've found a bug regarding the new keyboard shortcuts

Fixed.

By the way, when threads are hidden, I think they should either be removed from the table of contents, or marked visually somehow.