[Bug]: Nextcloud Desktop 3.14.0 (MacOS): Translations are lost - user interface is shown in English

[b-pfl]

⚠️ Before submitting, please verify the following: ⚠️

• This is a bug, not a question or a configuration issue.
• This issue is not already reported on Github (I've searched it).
• Nextcloud Server and Desktop Client are up to date. See Server Maintenance and Release Schedule and Desktop Releases for supported versions.
• I agree to follow Nextcloud's Code of Conduct

Bug description

Since the last update to Nextcloud 3.14.0, the user interface of the MacOS desktop client (universal) is shown in English and not in the local language as defined by the operating system.
This is also subject to discussion at https://help.nextcloud.com/t/probleme-mit-update-auf-desktop-client-nextcloud-3-14-0-x86-64/204443
...

Steps to reproduce

1. Update to 3.14.0
2. Start client, open random dialog
   ...

Expected behavior

Interface texts are localized
...

Which files are affected by this bug

Whole user interface

Operating system

macOS

Which version of the operating system you are running.

MacOS 14.7

Package

Official macOS 12+ universal pkg

Nextcloud Server version

29.0.7

Nextcloud Desktop Client version

3.14.0

Is this bug present after an update or on a fresh install?

Updated to a major version (ex. 3.3.6 to 3.4.0)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

Are you using an external user-backend?

• Default internal user-backend
• LDAP/ Active Directory
• SSO - SAML
• Other

Nextcloud Server logs

No response

Additional info

No response

[torstenhoppe]

Same problem here, even with 3.14.1
Working on Mac M1 with macOS Sequoia 15.0

[ywtoly]

Same problem here, even with 3.14.1
Working on Windows10 22h2(Simplified Chinese)

[raffisweb]

Same here with 3.14.3 on MacOS Sequoia. Interface English while system German.

[tomop-tg]

Same problem here with 3.15.2 on macOS Sequoia 15.2. The English interface is shown on my Japanese environment.

[e2ipi-1]

Same here with 3.15.3 on macOS Sequoia 15.2. Interface English while system French.

[benjamindahl]

Same here with 3.15.3 on macOS Sonoma 14.7.4

I can say, every team member in my office here has this exact same problem. Server version 29.0.12

[YouSly]

Same issue with 3.16.0 on multiple macos systems

Server Version is 31.0.0

[benjamindahl]

+1 for 3.16.0
System German, Interface English
macOS Sonoma 14.7.4