Can you try this unofficial release:
https://www.high-logic.com/tmp/fontcreator/FontCreatorSetup15.0.0.3043.exe
It also seems to fix this issue, but do give it a good test drive:
Can you try this unofficial release:
https://www.high-logic.com/tmp/fontcreator/FontCreatorSetup15.0.0.3043.exe
It also seems to fix this issue, but do give it a good test drive: