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Version regressions in cosmic compared to bionic

I recently saw some packages in cosmic that have older
versions than the one in bionic, so I wrote a script to
check that, and here are the results.

I think we need to be more careful when it comes to this,
and regressions in security fixes (e.g. having a list
of CVE regressions in devel compared to stable).

The script used for this list is attached, I'd like to polish
it up a bit, add team info, make it generate html and json and
have it run periodically.

Note that the script compares released versions from the
old release to the new release. If there is a newer version
in proposed, it also mentions that, but still lists it.

-- script output:

Version regression support for bionic to cosmic
=====================================================
main
restricted
universe
multiverse

Comments

Re: Version regressions in cosmic compared to bionic

By Gunnar Hjalmarsson at 10/10/2018 - 10:28

On 2018-10-10 14:13, Julian Andres Klode wrote:
Maithili is a language which is not so well translated in Ubuntu. When
building language packs, a threshold is applied to exclude languages
with poor translation coverage. Apparently enough strings are translated
in bionic, but not (yet) in cosmic.

Ɓukasz is about to build new language packs. If the Maithili langpacks
are updated then, all is well. Otherwise it would be most consistent,
AFAICT, to drop the Maithili language packs from the cosmic archive.

Re: Version regressions in cosmic compared to bionic

By Steve Langasek at 10/10/2018 - 13:06

On Wed, Oct 10, 2018 at 04:28:57PM +0200, Gunnar Hjalmarsson wrote:
We should just remove those packages now just in case, and if they are
reintroduced in the next export that's fine. I've done this now.

Re: Version regressions in cosmic compared to bionic

By Julian Andres Klode at 10/10/2018 - 08:22

On Wed, Oct 10, 2018 at 02:13:21PM +0200, Julian Andres Klode wrote:
Some more historic results (xenial->bionic, xenial->cosmic,
trusty->xenial (good), trusty->cosmic).

Version regression support for xenial to bionic
=====================================================
main
restricted
universe
multiverse

Version regression support for xenial to cosmic
=====================================================
main
restricted
universe
multiverse
Version regression support for trusty to xenial
=====================================================
main
restricted
universe
multiverse

Version regression support for trusty to cosmic
=====================================================
main
restricted
universe
multiverse