Catlist v0.137u4 is released.Category files for MAME v0.137u4.

cat32: mame32 files, including genre, catlist, version and more...
Deluxe32: Deluxe version of the category files, always for mame32
catver.ini: classification by category and version, to be used in various frontends
genrev: as above, classified by genre

Download: cat32
Download: Deluxe32
Download: catver.ini
Download: genrev
Source:Here