I've always "hung out" with colleagues after work hours. Because we're all in the same boat, and have more in common with each-other than anyone else, because we spend 40+ hours a week in the same room.
It's a failure of HR and management, imo, when that doesn't happen. And it can be increasingly hard to fix.
The more it goes the more I have resistance to that very concept. Then I see people expecting to go to lunch together, and spent more time after work hours.
Am I getting broken or something ? It seems to me that’s an ungodly amount of our life time expected to spend with “just” coworkers. They are nice people, but it’s not like I am marrying them.
I guess I wouldn’t be able to live in middle size submarine.
Now I'm a freelancer and work remote, so I can minimize the non-work related communication with co-workers.
I have a few friends and go to parties two times a month and host my own meetup one time a month.