In Sketch 53.2 color names are null
Hi.
In Sketch 53 (72520) all exported colors have proper names
{"name":"vendor_color_01","red":0.9372549019607843,"green":0.9372549019607843,"blue":0.9568627450980391,"alpha":1}

but in Sketch 53.2 (72643) same color become to
{"name": null,"red":0.9372549019607843,"green":0.9372549019607843,"blue":0.9568627450980391,"alpha":1}