Student's robot obliterates 4x4 Rubik's Cube world record (bbc.com)

This looks like it is in the 'nobody realized there is a competition' list of records broken. For a 3x3 it is 103 milliseconds, or at least was last year[1].

[1] https://engineering.purdue.edu/ECE/News/2025/purdue-ece-stud...