What it says on the tin, I can't get the F 2, 5, and 11 keys to work. Using the FN key does not work to fix the problem. Problem persists to both Latest Snapshot (20w11a) and down to 1.13.2.

Unlike a previous report, F3 does work, crash report attached generated via F3 + C.

(Also, minecraft is not overriding function keys from the OS, causing both the OS and minecraft  to react if key has functions for both, but changing the BIOS of the computer to require the FN key to be used at the same time works around that.)