fonttools[lxml,ufo,unicode]>=4.4.0
cu2qu>=1.6.7
glyphsLib>=5.1.6
ufo2ft>=2.12.0
fontMath>=0.5.2
booleanOperations>=0.9.0
ufoLib2>=0.6.1
attrs>=19

[lxml]

[mutatormath]
MutatorMath>=2.1.2

[pathops]
skia-pathops>=0.3.0
