Chromium: + support Handoff macOS -> iOS + text fragment support! [1] + nice plugins and (Brave Browser) nice built-in Ad Blocker + good performance, but - memory & cpu heavy (this counts as 2 minus) - pinned tab can still be closed with `⌘+W` Firefox: + feels smoother and more battery friendly than Chromium based browsers + built-in Picture in Picture - no macOS menu bar function for "Pin Tab", thus making a lot of…
Regarding Firefox, I'm unsure what you mean by "no macOS menu bar function for Pin Tab", is this something different from right clicking on a tab and selecting Pin Tab? And handoff took its sweet time but it has been supported for a while now between iOS and Firefox on Mac.
Only from iOS to macOS, not the other way around - at least not with Safari on iOS (I don't use Firefox on iOS).