While bun is extremely impressive, I'd not say it leads the movement more than anything else. For me then biggest sea change in developer QoL has to be Mise, followed by JJ. Everything else is more niche, but I use mise and JJ in every project.
Don't get me wrong, I really like bun. I run my blogs asset pipeline on bun, and run my home automation on it as well, but at the end of the day it's a js runtime, competing with the also excellent deno
It's more than a runtime. It's a test runner, package manager and build tool and shell interpreter. The first 2 in particular are big for me. Build tool needs work.
Don't get me wrong, I really like bun. I run my blogs asset pipeline on bun, and run my home automation on it as well, but at the end of the day it's a js runtime, competing with the also excellent deno