hi,
I download language package from https://open-vsx.org/extension/MS-CEINTL/vscode-language-pack-zh-hans. version is 1.84.0 for theia 1.41.1. but it seem that something do not display correct
after installing chinese language pack extension, as you can see in editor menu, part of it still not display chinese language.
when I use theia 1.32.0 and langage package is 1.55.2, all display ok. after update to high version, not display correctly