alt Hacker NewsMaybe we need a cultural shift then, because if one needs to use a platform like X, nowadays owned and operated by fascists, then there's something deeply wrong with the tech world. It'd probably take a lot of effort to do so, but it'd be absolutely worth it.
Besides, even if that wasn't a consideration, only posting the announcement to X is just crazy. As others have said, you'd expect for GitHub to make the announcement on their official website. Any paying client would then just follow that for their announcements.
I just spent a few minutes trying to think of a better place, I can't think of one, there is no professional social network, and linkedin doesn't qualify.