This seems to have greatly alleviated the issue, many thanks.
Pyrofyr
I've tried changing reserve edge and autohide both off, both on, 1 on/off with no change. Sometimes I just can't get the dock to come out, it just shows the names and hovering over any won't bring out the dock at all. I do use Rainmeter, Dexpot and Displayfusion PRo but haven't had this problem using these for months, it's a recent issue. Rightclicking dock does nothing, it acts like it's click through and double clicking is like clicking the des
What a weird glitch, it took 3 hibernates to fix it, and it decided to randomly fix itself. Not sure why the first or second didn't do it. Wasn't even rapidly, just over the course of a few days.
For some reason on some of my tabbed docks (not all) the text won't show up when I mouseover, despite the settings being correct. The only difference I could think of are the ones where I can't see it are ones that don't have normal icons (some are from browser shortcuts, some were changed due to the game lacking one). It's quite an inconvenience, and searching didn't help. :/