As highlighted in T66793#2289607, despite the usefulness of having access to the relevant languages, recommendations always provide a degree of uncertainty (i.e., why am I offered Japanese and not German?).
We can provide a tooltip for the "more" button of Compact Language links that communicates its functionality as well as some additional context (your choices are captured but the list does not limit to that).To provide more clarity, For example, something along the lines of "View all languages (initial suggestions based ona tooltip is proposed for "more" button of Compact Language links that communicates its functionality as well as some additional context (your choices are captured but the list does not limit to that).
The proposed text is: "All languages (initial selection from common choices by you and others)".
Specific text needs to be determined.
{F4018622}