Fricking flairs, they're very important in the communities that I'm moderating. With an ability to set multiple flairs at once because on reddit you can set only one which sucks because some posts can fit criteria to get 2 or more flairs.
I am working on it! My team and I are working on this issue as we speak (I literally tabbed out of VS Code to answer this) and we plan to roll them out to our modded instance in a matter of days, it's our top priority.
Extending support for this feature to the wider lemmy codebase is not paramount to our roadmap, but we will certainly make a pull request once we are done. If the lemmy devs will like our implementation and decide to adopt it we will definitely be very glad to help them doing so.
EDIT, 10 days after: only now I see that the links was about post flairs, not user flairs. To clarify, I am working on user flair, no idea if and who is working on post flairs.
Making draft PRs, even if they don't work yet, might be a good way of demonstrating that you're working on something. Or do you get too much useless feedback when you do?
I never considered doing that, actually. I always felt like PRs where only useful when you actually had something to show, otherwise you are just spamming a project with useless ideas and "what if"s.
But this is also my first time contributing to an open source project. Learning experience.
It unfortunately depends much upon the community/person administrating the repository. If I'm worried about that, I tend to just make a post in /Discussion linking to my private fork.