[Bug 2154119] [NEW] System does not respect the language setting if locale format is different

[Olivier Caudron]

Public bug reported:

In settings>Language and Region, if the language is set to one thing
(English/US in my case) and "formats" to another (French in my case),
the former is IGNORED and the UI (and a number of applications) is
displayed in the language linked to the "formats" setting. This is very
wrong and at the end of the day, why have a separate setting for
environment language if it is ignored?

This is an old issue that occurs in Gnome and KDE. In the past I have
tried to mitigate it in different ways (by fine-tuning system variables
or using a locale setting that "sort of" works for me), but getting this
right is time-consuming and it can have some negative impact on the
stability of the system.

Maybe I should explain the reason why I want a different setting for
language and locale. As a professional I.T. working internationally, I
just can't work efficiently with a language-localized OS. However, the
US formats are just not practical to me (M/D/Y dates and not using the
metric system, to take just a couple of very annoying examples) and that
permeates (negatively) the whole OS usage experience.

Regardless, the "language" setting being separate, should be applied
separately from other locale settings by the OS IMO.

Thanks

ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun May 24 11:53:21 2026
InstallationDate: Installed on 2026-05-16 (8 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
SourcePackage: ubiquity
Symptom: installation
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug resolute wayland-session

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https://bugs.launchpad.net/bugs/2154119

Title:
  System does not respect the language setting if locale format is
  different

Status in ubiquity package in Ubuntu:
  New

Bug description:
  In settings>Language and Region, if the language is set to one thing
  (English/US in my case) and "formats" to another (French in my case),
  the former is IGNORED and the UI (and a number of applications) is
  displayed in the language linked to the "formats" setting. This is
  very wrong and at the end of the day, why have a separate setting for
  environment language if it is ignored?

  This is an old issue that occurs in Gnome and KDE. In the past I have
  tried to mitigate it in different ways (by fine-tuning system
  variables or using a locale setting that "sort of" works for me), but
  getting this right is time-consuming and it can have some negative
  impact on the stability of the system.

  Maybe I should explain the reason why I want a different setting for
  language and locale. As a professional I.T. working internationally, I
  just can't work efficiently with a language-localized OS. However, the
  US formats are just not practical to me (M/D/Y dates and not using the
  metric system, to take just a couple of very annoying examples) and
  that permeates (negatively) the whole OS usage experience.

  Regardless, the "language" setting being separate, should be applied
  separately from other locale settings by the OS IMO.

  Thanks

  ProblemType: Bug
  DistroRelease: Ubuntu 26.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
  Uname: Linux 7.0.0-15-generic x86_64
  ApportVersion: 2.34.0-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun May 24 11:53:21 2026
  InstallationDate: Installed on 2026-05-16 (8 days ago)
  InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
  SourcePackage: ubiquity
  Symptom: installation
  UpgradeStatus: No upgrade log present (probably fresh install)

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