'Browser not displaying the number 9

Using a Chromium browser on macOS 10.14, the number 9 is often not displayed, but is replaced with a hyphen dash.



Solution 1:[1]

This appears to be caused by bad or duplicate Helvetica fonts. It's related to the Helvening™, whereby every four years the number of Helveticas on your system doubles (I have 64). I isolated my issue and resolved it by deleting Helvetica-Neue and Helvetica-Neue-1.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1