Custom Font causes memory leak

[sursock]

Description

Using a custom font causes massive memory leaks through HBFonts that ultimately lead to app crashes. Using latest runtime & Montserrat font.

Provide a Repro

Source .riv/.rev file

Expected behavior

Screenshots

Device & Versions (please complete the following information)

• Device: [e.g. iOS Simulator, iPhone 12]
• iOS version [e.g. iOS 15]

Additional context

[dskuza]

Are you using any text that would cause the font system to use fallbacks, or are all characters that you're rendering included in your font?

[dskuza]

This should be addressed in v6.11.4