"report last commit for files and directories" undocumented/not clearly labeled
There's a checkbox in the Git repository settings whose label is far from self-explanatory, and it is undocumented as far as I can tell.
#3 Updated by Hiroaki Nakamura about 10 years ago
I could not understand what it means too, so I read the source and fount out.
If you set the option "Report last commit for files and directories", four columns are added on repository file lists: