News (https://steamcommunity.com/app/485400/allnews/) and News Hub (https://store.steampowered.com/news/app/485400) (alt page) have lots of helpful and interesting pre-release info. Updates is for patch releases specifically.

They're active in the Discussions (https://steamcommunity.com/app/485400/discussions/) and (even more so?) in the Discord (https://discord.gg/modernwolf)

Last News post was Mechajammer | Fixes Incoming! on December 3rd.

Stickied Discussions:
LAUNCH FAQ
GUIDES
HAVE AN ISSUE? FOUND A BUG? (Updated!)

Helpful News posts:
Calitana Field Guide; 7 Things To Know Before Playing Mechajammer
Mechajammer Feature Deep Dive #3 | EXPLORATION
Mechajammer Feature - Deep Dive #2 | STEALTH
Mechajammer Feature - Deep Dive #1 | COMBAT
Gangs of Calitana: Agro-Fax
Gangs of Calitana: Quinton Industries
Mechajammer — Creating your character (possibly outdated since posted in July)

Would be nice if they were as active here, but I guess the team just doesn't have the budget for it. :|

edit: Fixed link problems.

Thank you so much for this! Incredibly helpful. We've been waiting (and are still waiting) on admin permissions to add patch notes and sticky posts here. Hoping to be active here going forward!

Ah, well that explains it. And no problem.