I mean, I like Firefox, but I’d love to see Vivaldi based on Firefox/Gecko. There’s Floorp, which is similar in some ways but it’s more like an Edge built on Firefox than Vivaldi.
Edit: Thank y’all for your answers. :D
I want to link !@bdonvr@thelemmy.club 's post because it is a similar quesion. https://thelemmy.club/post/718914
Blink has a younger code base that’s easier to build on. Gecko has been around since the early 90s and has some ancient evils lurking deep within. At least that was the reasoning a while ago. As Mozilla has been putting a heavy emphasis on code correctness for the last few years, that may no longer be the case. Then again, momentum is a big deal, and I still see people saying the don’t want to try Firefox because its memory inefficient even though they fixed that bug almost a decade ago now and its less resource hungry and faster than chrome now