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Browser Extension not working in Firefox Nightly (FF57)

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unfortunately Enpass currently doesn't work in Firefox Nightly. This might be expected, but I still wanted to make you aware of the issue. Also starting with Firefox 57, Mozilla will change its add-on technology. All add-ons that are not migrated by the time Firefox 57 releases to the public (November 2017) will stop working.

(See also: https://support.mozilla.org/en-US/kb/firefox-add-technology-modernizing?as=u&utm_source=inproduct)

OS: Linux Mint 18.2 (based on Ubuntu 16.04)
Browser: Firefox Nightly 57 (2017-08-04) 64-bit
Enpass Version: 5.5.6
Enpass Add-On Version: 5.4.3

Kind regards,


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I would like to second this. I'm also trying out Firefox Nightly (57) and it's great. It shouldn't be too difficult to port the Chrome extension to Firefox as the WebExtension API is based on the one for Chrome and Opera.

I'm on Fedora 26 with Firefox 57.0a1 (2017-08-06) (64-bits), Enpass 5.5.6 and Enpass Add-on 5.4.3.

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  • 2 weeks later...
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Today came on the beta channel the update to FF 57. And how to imagine Enpass is no longer working. But not only Enpass, also Keefox and Roboform-Light.
I had to downgrade FF, because I do not have a password manager any more.
There is a chance to get the alpha version. I would then reinstall for testing FF 57.

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On 10/19/2017 at 10:49 AM, n8v8r said:


It is not working for me in Linux, that is with all the necessary settings applied in the desktop app (which is working with Vivaldi though)


OS Solus 3 64bit

Enpass WE

Enpass Desktop 5.5.6


Which version of Firefox are you running?

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2 hours ago, Akash Vyas said:

Hey @n8v8r

It seems that you're using the older version of Enpass that doesn't support the Firefox WebExtension. So please update to the latest version of Enpass (5.6.0) and let me know if the problem persists.



Perhaps the Solus repo is a bit sluggish to update packages as it currently includes only v5.5.6. Did update though now through the installer and indeed it is working now.

N.B. Is it planned to release the WE 5.5.x through the official Mozilla channel anytime soon?


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