Public bug reported:
On Pi desktop images, deb2snap fails to match the seeded snaps because
it gates them on the ubuntu-desktop metapackage, which is not present on
Pi. The image ships ubuntu-desktop-raspi, layered on ubuntu-desktop-
minimal. Consequently, `_is_deb2snap_metapkg_installed()` does not
select these entries during upgrade, and u-r-u falls back to generic
handling of already-installed snaps, which sets the snap-storesnap back
to stable/ubuntu-26.10 instead of using 2/ track. Same case for `ubuntu-
desktop-minimal`
Impact:
- snap-store is switched to stable/ubuntu-<to> instead of
2/stable/ubuntu-<to>, dropping its 2 version track.
- Newly seeded snaps (gnome-46-2404, mesa-2404) are not installed, because the
fallback only switches snaps that are already present.
- force_switch semantics are lost for gnome-46-2404, mesa-2404,
gtk-common-themes, snap-store and core24.
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2170580
Title:
Raspberry Pi upgrades miss seeded snaps / drop snap-store 2 track
(deb2snap gated on ubuntu-desktop)
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