Soon as we collect some of the new heirloom items, we can see exactly what changed.
If however, an item now being an Heirloom somehow changes it's entire purpose or appearances, etc... then we're screwed and will need to re-collect them if we (eq2emu) plan to support heirlooms.
Got my answer! I was checking out some of the new Achievements reward items, and stumbled on an HEIRLOOM item.
So if this is just another Flag like NO TRADE, then simple. I think. Something else I noticed tho was that there seems to be even more of these flags:
Fairly confident we do not yet support this bit. If not, we should take some time to dig through an item packet and identify any (more) of these "flags" and get them into the parser. Not sure if things like Appearance-only and Ornate were in our original item collections from before, since I never knew about them until today (or claim alzheimers because I do not remember seeing them before).