If I attempt to highlight text and change the font to "Symbol" in the font drop down list, the font does not change (very obvious difference between Symbol and Helvetica fonts) and the selected font remains Helvetica. Other applications do not have this behavior.
I'm running Pixelmator Pro V3.3.3 on MacOS 12.6.5.
Here's a screen shot from Pixelmator:
after selecting I see:
How the font looks in other applications:
Symbol Font automatically replaced with helvetica
2023-06-26 19:04:24