The latest version does not work on Firefox version 52. Despite the fact that the developers state in the description of what should work, but it's not. Versions from 3.0 only work on Firefox 57+

Шляпу не даром в виде лого выбрали....

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The extension is great, really is an amaizing work but I have a problem since version 3.0
I use this extension to navigate with a program and before this version the configuration was different, I used the address: port 127.0.0.1:5555, then it changed to 127.0.0.1:3333 and it did not work again, can you help me? I'm missing something?

Thanks for the help