Translation wrong on ArchLinux qtcreator.

[Hork]

No translation options presented in environment/language other than English. Only <System Language> and English is presented. Downloaded both from AUR(qtcreator-git) and pacman core. Translation files presented in /usr/share/qtcreator/translations as shown
╭─x@x /usr/share/qtcreator/translations
╰─$ l
总用量 13M
drwxr-xr-x 1 root root 342 2月 9 22:51 .
drwxr-xr-x 1 root root 320 2月 9 22:51 ..
-rw-r--r-- 1 root root 1.5M 2月 1 18:54 qtcreator_cs.qm
-rw-r--r-- 1 root root 1.4M 2月 1 18:54 qtcreator_da.qm
-rw-r--r-- 1 root root 1.5M 2月 1 18:54 qtcreator_de.qm
-rw-r--r-- 1 root root 1.4M 2月 1 18:54 qtcreator_fr.qm
-rw-r--r-- 1 root root 1.1M 2月 1 18:54 qtcreator_ja.qm
-rw-r--r-- 1 root root 1.4M 2月 1 18:54 qtcreator_pl.qm
-rw-r--r-- 1 root root 1.5M 2月 1 18:54 qtcreator_ru.qm
-rw-r--r-- 1 root root 870K 2月 1 18:54 qtcreator_sl.qm
-rw-r--r-- 1 root root 1.1M 2月 1 18:54 qtcreator_uk.qm
-rw-r--r-- 1 root root 748K 2月 1 18:54 qtcreator_zh_CN.qm
-rw-r--r-- 1 root root 632K 2月 1 18:54 qtcreator_zh_TW.qm

[jsulm]

@Hork Hi and welcome!
I would say it's a packaging/configuration issue in ArchLinux.
You should ask ArchLinux project.