[Bug 2038906] Re: Ubuntu desktop ISOs are around 700MB larger than legacy desktop ISOs

[wontfix]

>There's no legacy ISO to compare to anymore, so this isn't a bug we
could ever verify a fix for.

Is this actually true for all relevant bloat? Was there ever an
appstream based Ubuntu ISO that didn't have bloat in these or alike
directories, the same as Debian-Live but not Debian-Gnome?

/var/lib/swcatalog/icons/
/var/lib/swcatalog/yaml/
/var/lib/apt/lists/


** Tags added: oracular

** Tags added: appstream bloat

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https://bugs.launchpad.net/bugs/2038906

Title:
  Ubuntu desktop ISOs are around 700MB larger than legacy desktop ISOs

Status in livecd-rootfs package in Ubuntu:
  Confirmed

Bug description:
  Mantic ISOs are around 700MB larger than mantic legacy ISOs. That's
  500MB-600MB more than I'd expect from just the new installer.

  For example 2023-10-10:
  mantic-desktop-amd64.iso: 4.8GB
  mantic-desktop-legacy-amd64.iso: 4.1GB

  Digging into the ISOs shows where the difference is:

  mantic-desktop-amd64.iso:/casper:
  ...
  277	minimal.standard.enhanced-secureboot.squashfs
  291	minimal.enhanced-secureboot.squashfs
  413	minimal.standard.squashfs
  777	minimal.standard.live.squashfs
  1654	minimal.squashfs
  3737	total

  mantic-desktop-legacy-amd64.iso:/casper:
  ...
  2873	filesystem.squashfs
  2990	total

  More info:
  https://docs.google.com/spreadsheets/d/e/2PACX-1vSmQLXuDO0E-tKnWcgjL3Ua2bWDeUg4ICZIfuMrrZndBrYjbVLKAWlKuiZLZ9EOrj4N1WV37DRg8GyW/pubchart?oid=2040836911&format=interactive

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