I am curious why iMacros is listed as being compatible with e10s if it isn't? My understanding of the current state of e10s is that if your addon shows up as not compatible, e10s will disable automatically. This is what we want. I can not even manually disable e10s. If you know how please let me know.

We are also having this issue with the latest version of iMacros, on FF 52, on Windows 7. We get the protocol not understood error message when clicking an imacros:// bookmark. Is there a date when you expect this will be fixed? Is this an issue I should report to FF devs or is this something that i...

I too am having this problem. It happened (I think, not entirely sure) that it quit working when I upgraded Firefox 45 to 46 (on the beta update channel). I get the same issues the OP had; the iMacros sidebar can be opened, but when I click Play nothing happens. Also, it does not work to do it via a...