Communities/magazines don't sync right away, someone has to try to access the community from kbin first then in the background the federating starts. Sometimes is takes a while but once it's done all the new posts/comments will show up but not the older stuff. It looks like the pathfinder2e is working now at least for me.
ninjirate
For you the row will only really apply to the right hand side since the "a" key will always be on row 3 and every key cap set will have "a" at the same height. The delete/home/end or whatever you decided to put on the right hand side above the arrow key will might be mismatched slightly but overall I don't think it's a big issue. On my keyboard my "r4" key is actually a "r3" key but it's close enough and it's only 1 key that's off.
KBDFans is probably the biggest store, but they do a lot of group buy stuff and sell extras after the group buy. You could do amazon, the massdrop/drop sets are a good starting place for keycaps. Otherwise most keycaps stores are specific to your country so for me in Canada I've got deskhero, ashkeebs and a couple others but the US has Kono, Canonkeys a bunch of others. You can check your region here for a list of stores: https://www.alexotos.com/keyboard-vendor-list/
Keycap sizes are pretty much standardized. The only thing you will need to keep an eye out for are your modifier keycaps (enter/shift/space/backspace/bottom row). Those are measured in "u" where 1u is an alpha key, so your modifiers might be 1.25u or 2u or the spacebar is 6.25u/7u normally. So when you find a keycap set you like just check that it includes the right number of mod sizes.
I took a quick look at the Hades68 keyboard and I couldn't find a specific link but I think this is the same sizing (from a tofu65)
So for looking for keycaps they will generally have a list of the keycap sizes. If you go to https://kbdfans.com/collections/pbtfans-in-stock/products/pbtfans-frontier for example you can see in one of the pictures it has all of the u sizing listed on the keys.
I would guess 95% of keycaps sets will fit 98-99% of standard keyboards (60%-75%) with anything over 75% needing an additional numpad add-on set. Unless you're getting into some of the weird formats like 40% or ortho you probably won't need to worry too much.
Hope this makes sense. Let me know if you need any other clarification.
Ask and you shall receive....at least for desktop: https://kbin.social/m/kbinStyles/t/50628/Improved-Collapsible-Comments-Script-that-lets-you-collapse-replies-by
You will need to install tampermonkey/firemonkey on your browser though