fonttools[lxml,ufo]==4.28.1
defcon==0.9.0
cu2qu==1.6.7.post1
compreffor==0.5.1
booleanOperations==0.9.0
cffsubr==0.2.8
skia-pathops==0.7.1

# alternative UFO implementation
ufoLib2==0.11.4

fonttools[lxml,ufo]==4.28.1
defcon==0.9.0
cu2qu==1.6.7.post1
compreffor==0.5.1
booleanOperations==0.9.0
cffsubr==0.2.9
skia-pathops==0.7.1

# alternative UFO implementation
ufoLib2==0.11.4

Update cffsubr from 0.2.8 to 0.2.9
Update cffsubr from 0.2.8 to 0.2.9