A DESCRIPTION OF THE PROBLEM :
In macOS Catalina (10.15) and with JavaFX 14 I see severe text rendering problems (see attached). Some characters get clipped at the default font size.

REGRESSION : Last worked in version 11

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
It doesn't happen with all text or all sizes, it seems only small sizes, but e.g. just running Gluon SceneBuilder is sufficient to see it for me.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Text renders properly
ACTUAL -
See here: https://pasteboard.co/Jtuhcrh.png and look at the 'o' 'u' etc characters.

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None needed, just download and run Scene Builder.
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CUSTOMER SUBMITTED WORKAROUND :
Make the font size larger