[jamesliudotcc]

As for Calibri, even Microsoft has moved on. They designed a successor font family for even better readability, and that happened before the State Department changed to Calibri. It also has serif variants.

https://microsoft.design/articles/a-change-of-typeface-micro...

No knock on Calibri, which I admire.

(edited to put the link on its own line.)

[otterley]

This was discussed in the article.