Ticking every box from Penetrating Values to Item Changes in the homebrew settings didn't seem to do anything to Core items, so I dug through the files a bit and came up with this:
The id's in items.json didn't seem to match the ones in the compendium so I changed them.
Accessing (and changing) items through the "data" field was deprecated in v10 so I changed it to "system".
Same changes apply to Archives vol1 items, but Arcane Marks are left unchanged.
Ticking every box from Penetrating Values to Item Changes in the homebrew settings didn't seem to do anything to Core items, so I dug through the files a bit and came up with this: