My endgame is collecting things. I don't go out of my way for FOMO items and cash shop items but if it's in the game and I want it, I'll get it.

Things I've done so far in Endwalker (that I remember):

All quests and normal mode duties
Unreal every week
Ex trials
Custom deliveries
Tribal quests
Housing lottery and redesigning my yard
Bicolor gemstone farming
Leveling alts
Hunts and rare fates
PvP malmstone grind
Making gil
ShB ex mount farms
Farming minions from 87/89/90 dungeons
Crafting
Trusts leveled to 90
Sightseeing log
Glamours and screenshots