fonttools[lxml,ufo,unicode]>=4.2.3
cu2qu>=1.6.6
glyphsLib>=5.1.1
ufo2ft>=2.11.0
fontMath>=0.5.2
booleanOperations>=0.9.0
ufoLib2>=0.5.1
attrs>=19

[lxml]

[mutatormath]
MutatorMath>=2.1.2

[pathops]
skia-pathops>=0.2.0
