It is a great opportunity to shake up the sphere of extension development a bit. New alternatives pop up every day and eventually the best will stick. Here is a list: https://docs.google.com/spreadsheets/u/1/d/1TFcEXMcKrwoIAECI...

I mean it's not an order of magnitude improvement but it's still significant.

The extension ecosystem is great right now. A few high profile extensions aren't being ported but there are a lot of cool new extensions popping up and it's never been easier to port between browsers.