Add-on not supported as of Firefox 62?

Add-ons Development
#1

I have a WebExtensions add-on that is side-loaded by a Windows installer. This add-on has been used by thousands of customers for several years now. One of my customers informed me today that the add-on no longer works in Firefox 62.

Works in 61

Firefox61
Firefox61.png1235×863 73.6 KB

Disabled in 62

Firefox62
Firefox62.png1235×863 104 KB

I have been able to verify. The add-on works fine in 61, and is disabled in 62. It is signed by Mozilla, uses the WebExtensions API, and is listed on the AMO website as supporting FF versions 42.0 - *.

amo
amo.png759×93 6.23 KB

I have thoroughly read both the 62 release notes and the Extensions in Firefox 62 blog post. I don’t see anything that would explain why this extension would stop working. What am I missing?

Any help greatly appreciated. Thank you.

  • danBhentschel
#2

I think how signing works has been slightly updated and you may have to get a newly signed version for it to work in 62, not totally sure on that, just some chat I’ve heard on the street corner :wink:

#3

Thank you for your response. It sounds plausible, especially since I noticed the following message in the browser console:

addons.xpi-utils	WARN	Add-on AllworxInteractSyncForFirefox@allworx.com is not correctly signed.

To test the theory, I just signed the latest version of the extension:

amo2
amo2.png737×100 7.17 KB

Unfortunately, it exhibits the same behavior. It runs fine on version 61, but refuses to run on 62:

Firefox62_2
Firefox62_2.png956×595 52.8 KB

  • danBhentschel
#4

To follow up, the answer lies in this blog post:

https://blog.mozilla.org/addons/2018/02/22/removing-support-unpacked-extensions/

I missed this piece of information.

  • danBhentschel