fonttools[lxml,ufo,unicode]>=4.12.0
cu2qu>=1.6.7
glyphsLib>=5.1.10
ufo2ft[cffsubr]>=2.15.0
fontMath>=0.6.0
booleanOperations>=0.9.0
ufoLib2>=0.8.0
attrs>=19

[lxml]

[mutatormath]
MutatorMath>=2.1.2

[pathops]
skia-pathops>=0.3.0
