Wouldn't the simplest solution to just be to not do that? Other spells can be added through magic items or by adding new classes with their own discrete spell list.
You also don't generate nearly as much interest and posts. "Let's remove Constitution and Intelligence from 6e" will absolutely generate more interest than "What do you think about my fantasy heartbreaker with 4 stats?"
I’d play it. I can think of several ways to do it while still maintaining the 5e core. Or you could go a lot further with a more extensive redesign.
Whether maintaining ability scores is somehow definitional of D&D is not something I feel qualified to weigh in on, precisely because that isn’t...
A lot of times, people take for granted that we already found a planet that is 100% compatible with Earth-based life, and we haven't even explored all of it yet.
Site-crawling can also be done improv-style. I just generally frame it as "Ok, who built this? What were they using it for? Who is living here now? What are they using it for? How does the old magic stuff interact with the new residents?"
Once you have an answer to those questions, it...
Personally, I don't consider Binder and the UA Vestige Warlock to have any sort of relationship other than the word "vestige" being used for both.
They're vastly different mechanical experiences with some overlap in narrative concepts, but nowhere close to the same overall concept.
Plenty of things can exist that are "modern" that were also experimented with earlier eras; they simply didn't become part of the mainstream definition.
B/X has a lot of contemporary respect precisely because it did something "modern" well before that practice became commonplace enough to be...
Realistically, day-to-day living should cause XP loss, proportional to the amount of total earned XP, representing the natural erosion of the edge life-or-death experiences give.
Training and practice can ameliorate this decline, but not arrest it.