Cause: Incomplete font support for complex shaping (rare in Sangam MN, but possible on very old OS versions). Solution: Update macOS/iOS to the latest version. Apple has refined shaping rules since iOS 11.

When a font is labeled as "verified," it typically signifies three things:

Are you unsure if your system is using a verified version? Follow these steps:

After rigorous testing across multiple environments, the official Myanmar Sangam MN font distributed by Apple is verified as:

Important note: No font alone can convert Zawgyi text to Unicode. If you open a Zawgyi-encoded document with Myanmar Sangam MN, it will display incorrectly. The font is verified as Unicode-only, not as a converter.


Do not hardcode Zawgyi fonts. Use this safe stack:

body 
  font-family: "Myanmar Sangam MN", "Myanmar Text", "Noto Sans Myanmar", "Pyidaungsu", sans-serif;

If you have manually installed a third-party "Myanmar Sangam MN" from an untrusted source (e.g., a font download site), it may be a hacked Zawgyi version. Go to Font Book, right-click the font, and select "Remove" . Then restart your Mac. The system will restore the original verified font.