Control: found 854818 68.3.0esr-1
Hello! Bug still exists and is quite annoying.
Steps to reproduce:
1. Open Firefox, make it default browser, close Firefox
2. Open Thunderbird, click any url.
3. When Firefox opens and asks if it should be a default browser, click
to make it default browser.
Done. Now link opening from TB is broken.
Steps to recover:
1. Close launched from TB instance of FF.
2. Open clear instance of FF and make it default browser again.
3. Next time opening link from TB DO NOT click "make FF default browser".
But this way any time you try to open link from TB with closed FF, it
will ask you if to be a default browser.
Workaround for this behaviour:
create user.js file in FF profile with
user_pref("browser.shell.checkDefaultBrowser", false);
System: Debian GNU/Linux 10 (buster) Debian 4.19.67-2+deb10u2
(2019-11-11) x86_64 GNU/Linux
Package: firefox-esr 68.3.0esr-1~deb10u1
Package: thunderbird 60.9.0-1~deb10u1 / 68.3.0-2~deb10u1
