Why are maths formulae not rendered correctly?

Description of the issue: some characters in maths formulae are not rendered, for example on this website: https://math.stackexchange.com/questions/538488/twisting-sheaf-on-projective-space (see screenshot below)

Steps to Reproduce (add as many as necessary): 1. 2. 3. go to https://math.stackexchange.com/questions/538488/twisting-sheaf-on-projective-space

Actual Result (gifs and screenshots are welcome!):

Expected result:
Where there is a box it should be a curly O

Reproduces how often:
Every time

Operating System and Brave Version(See the About Brave page in the main menu):
macOS 15.2, Version 1.74.51 Chromium: 132.0.6834.160 (Official Build) (arm64)

Additional Information: I also tried turning off shields and reinstalling Brave, but the problem persists.

This fixed it: Certain LaTeX/MathJax math symbols not rendering on stackexchange website - #2 by Saoiray . This topic can be closed.