I really would like to see as complete a list of seasonal activities as possible, with the summaried rules and reference (perhaps in a table). Since every season the players generally want to review their options and it's all spread out currently.
I've made my own for my campaign, since it greatly simplified choices for players and put it front and center for them. A new core book appendix might have something of it, but perhaps lighter in table format with just a reference rather than the amount of text I have (needed a more self contained doc).
Anyway, I shared it on the forum here as it can highlight a bit what I meant: