> but at the cost of Firefox's more powerful extensions?
What do you believe you'll be missing? Add-on authors say the new API will meet their needs. Giorgio Maone, the author of NoScript, says he's satisfied with the direction of the development of the new API: https://hackademix.net/2016/03/09/webrequest-where-were-wher...
If you develop some add-on that needs features the new API doesn't currently provide then I'd say the best thing to do is to get involved with the development and get those features added.
What do you believe you'll be missing? Add-on authors say the new API will meet their needs. Giorgio Maone, the author of NoScript, says he's satisfied with the direction of the development of the new API: https://hackademix.net/2016/03/09/webrequest-where-were-wher...
If you develop some add-on that needs features the new API doesn't currently provide then I'd say the best thing to do is to get involved with the development and get those features added.