[Bug 2063142] [NEW] Ubuntu Studio unable to upgrade from Mantic to Noble

[Skia]

Public bug reported:

Jenkins catches this with `DEBIAN_FRONTEND=noninteractive`, but this
also reproduces locally with a manual upgrade in a VM.

Please find attached the artifacts from the Jenkins job, that contains
all the logs of the operation. We can see a lot of removed libraries at
the beginning of the upgrade, and then the first errors start to appear
during the Thunderbird snap install. This may actually be the same bug
as https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/2061918,
but nothing confirmed.

I also noticed that it's removing a lot of packages that seemed quite
important for Studio, like `blender`.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "archive.zip"
   https://bugs.launchpad.net/bugs/2063142/+attachment/5769491/+files/archive.zip

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https://bugs.launchpad.net/bugs/2063142

Title:
  Ubuntu Studio unable to upgrade from Mantic to Noble

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Jenkins catches this with `DEBIAN_FRONTEND=noninteractive`, but this
  also reproduces locally with a manual upgrade in a VM.

  Please find attached the artifacts from the Jenkins job, that contains
  all the logs of the operation. We can see a lot of removed libraries
  at the beginning of the upgrade, and then the first errors start to
  appear during the Thunderbird snap install. This may actually be the
  same bug as
  https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/2061918,
  but nothing confirmed.

  I also noticed that it's removing a lot of packages that seemed quite
  important for Studio, like `blender`.

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