Which version are you using? Make sure you are using v2
Flyfisher604 Fusion 360 Post Processor (v2) is Available
By default, the options that enable G1s --> G0s are off by default. Make sure you look at the documentation to enable the G1 to G0 mappings. Also make sure your travel speeds are set.
Version 2 can use the layer height names defined in F360.