You might find PDFs displayed in a font that the PDF did not come in.
We've noted that power users with many fonts installed experience this issue and it sometimes is triggered when font programs install the fonts across the operating system and replace the one that could affect the app.
Example of an unintended font.
Example of the original font.
The workaround solution to this issue:
Uninstall the font that is being displayed in the document.
While we intend to resolve this issue in the future once we've removed the technical debt that is blocking this fix, we hope to share this knowledge will help provide an immediate solution until that time comes.