Comment 6 for bug 1787267

I'm betting that it was this commit:

commit ab8f9d49d62c82a12409475547e4420a46da56ed
Author: Daniel P. Berrange <email address hidden>
Date: Wed Jan 17 16:41:15 2018 +0000

    hw: convert ps2 device to keycodemapdb

    Replace the qcode_to_keycode_set1, qcode_to_keycode_set2,
    and qcode_to_keycode_set3 tables with automatically
    generated tables.

I've emailed the author and qemu-devel mailing list about it.