All language: Missing i18n keys in yml files

[kubedan]

Missing a lot of i18n keys in yml files.

Missing all keys for:
kendo.chat
kendo.multiviewcalendar
kendo.editor
kendo.timeselector

[bernatgy]

A lot more is missing nowadays...

[Miedziaq]

yes missing, changed to meaning nothing, or just in english, but before update from 1.21 it was fine...