Question asked because I noticed the current strip is listed as 2017/2018 and didn't know if (!) there was a new one planned.
I'd buy a "cup-final special" (if a replica) but would then hate to see a new strip launched a few weeks later. Not everyone can afford both (or a double family load).
New strip ahead of the final makes sense - pre-game sales "bounce", plus the regular pre-season sales and extras on the back of the victory.
COYW!