"ITMS-90853: Invalid font" on TestFlight external testing

user_3202193 0
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I have uploaded build with Xcode 12 - iOS 14. I am getting following error in the TestFlight external testing.

Note: Build is working fine in internal testing.

App Store Connect Dear Developer,

We identified one or more issues with a recent submission for TestFlight review for your app, "XYZ" 1.0 (1.0.1). Please correct the following issues, then upload again.

ITMS-90853: Invalid font - There was an error validating the font named '' at 'XYZ.app/NORMAN.TTF'. Font basic parsability.

ITMS-90853: Invalid font - There was an error validating the font named '' at 'XYZ.app/FancyPants.ttf'. Font basic parsability.

ITMS-90853: Invalid font - There was an error validating the font named '' at 'XYZ.app/Alakob.ttf'. Font basic parsability.

ITMS-90853: Invalid font - There was an error validating the font named '' at 'XYZ.app/AlternateGothicEF-NoTwo_0.ttf'. Font basic parsability.

ITMS-90853: Invalid font - There was an error validating the font at 'XYZ.app/GothamRounded-Bold.ttf'. Font not supported by platform.

Best regards,

The App Store Team

I also found this apple forum thread but there is no solution provided.

Anyone have the solution for this?

ios14 xcode12 ios
2 Answers

This is font validation errors. But these are coming after the iOS 14 - Xcode 12 update!

I have fixed the fonts by using following software as suggested in this article

– Download and install CR8 Software Solutions free font editor for Mac called Type from here: Type light

– Open your problem ttf or otf font in the editor (choose File then Open).

– Choose Font then Rename Font then click RENAME button (without making any changes).

– Save your font (choose File then Save As).

– Done!

Re-upload the iOS build after updating this font...

user_32021930

After some research, it looks like iOS still only supports ttf/otf family of fonts and DOES NOT support woff family of fonts. Valid in June 2021 still.

Even if you're shipping a Hybrid app (like Cordova / Capacitor / Ionic thing) and WKWebView perfectly supports woff2 since forever - you'll still get ITMS-90853: Invalid font errors from "App Store Connect" Cerberus.

user_49199720
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