[phantasmish]

… wait, I was pretty sure the behavior used to be to paste whatever you had most recently highlighted. When did that change? Or am I crazy?

[AlecSchueler]

That's the behaviour unless you're hovering over an active link, in which case it opens in a background tab.

[nehal3m]

That's still the behavior on Mint 22.2 and Firefox 146.0.1