On Sun, Jan 7, 2024, at 5:25 PM, Eli Zaretskii wrote:

OTOH, adding it to core shouldn't interfere with anything.

It's an extra burden to contributors: due to the limitations of our development workflow, everybody has to be subscribed to everything.

Perhaps it doesn't make a difference to you, but I routinely have to page through notifications for commits and bug reports to features that I have no interest in (nor ability to meaningfully contribute). Such as ERC, for example.

Or recall the recent troubles with Org, which wasted a lot of everybody's time.

Also,
AFAIR, the fact that ada-mode was moved out of core was deemed a
mistake at the time, no?

Deemed a mistake by whom? Not by the author, as I recall.