That #foss feel when…
You're talking about how awesome some software is with a friendly group of folks on Mastodon, and someone links to a #github issue—which reveals that one of the friendly strangers you're talking to is the primary maintainer of that awesome software!
…just, you know, hanging out in your mentions, helping users make the most of the software.
(Here, the projects/people involved were #qutebrowser and @the_compiler —you should check them both out, if you haven't already!)