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

[wontfix]

** Tags removed: appstream

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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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