Technically yes, there is the ESR version available until April, but the vast majority of regular users aren't going to know about that.
By far the vast majority of popular extensions were ported well in advance, NoScript[1] was a notable exception, but even Tree Style Tabs is available now.
[1] I've found uBlock Origin in dynamic mode to be superior to NoScript, anyway.
Had to map my 'music' key to run a script that hides the title bar in gtk3, but works for now.