Thunderbird no longer opens links in Firefox

After upgrading to Zorin OS 17 pro, Thunderbird is no longer able to open links using Firefox. I found some instructions online for setting the default browser but it didn't work. I also installed an extension called "open with" but that doesn't work either. Any idea how to fix this? Is it because FF is now a flack pak?

I installed the Firefox .deb from Mozilla.org and that fixed it. I think the issue is that Thunderbird couldn't find the firefox fatpak.

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This is the problem with 'containerised' applications - they keep themselves to themselves and it also means updates tend to be separate from the global update.

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Welcome To the Forum!

If You want you could add the Mozilla-own Repo to get future Updates with the Software Updater or with the Terminal.

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