From: jbicha@debian.org   
      
   On Sat, Feb 14, 2026 at 3:42 PM Debian Tester  wrote:   
   > I am sure I did not enable the Thunderbird apparmor profile. Something did,   
   > so from my perspective, the only question left for me is, what did enable   
   > the Thunderbird apparmor profile on my boxes? If it was some install   
   > script of some package in the Debian archive, then there could be some   
   > pure Debian installations that do have the Thunderbird apparmor profile   
   > enabled by default. Also, I am not convinced, based on a seven year-old   
   > README file, that every pure Debian installation now, seven years later,   
   > will have the Thunderbird apparmor profile disabled by default.   
      
   I don't think there's anything in Debian that re-enabled the profile.   
   If your install is old enough, maybe it wasn't disabled when the   
   change in the default happened.   
      
   > I would suggest that, until the Thunderbird apparmor profile is fixed, that   
   > the next update to Thunderbird or apparmor check to see it it is enabled,   
   > and if it is, then it should be set to complain mode until the Thunderbird   
   > apparmor profile is fixed.   
      
   That was done once before. Someone would just need to update the   
   version number to do it again:   
   https://salsa.debian.org/mozilla-team/thunderbird/-/blob/debian/   
   id/debian/thunderbird.postinst#L72-81   
      
   Thank you,   
   Jeremy Bícha   
      
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