.woff/.woff2 fonts cause "ITMS-90853: Invalid font" rejection from appstoreconnect

[The-Redhat]

Question: Are you using the latest version of flutter_tex package?
Answer: Yes

Question: If you are looking for a feature, have you watched the Demo Video and gone through the examples folder?
Answer: Yes

Hey

we just added an ios widget extension to our app. After adding the widget extension appstoreconnect started rejecting our builds.

Appstoreconnect logs

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_AMS-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Fraktur-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size2-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Caligraphic-Bold.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Fraktur-Bold.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size4-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_AMS-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Caligraphic-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-Italic.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-BoldItalic.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-Bold.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size1-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size2-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-Bold.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-Italic.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_SansSerif-Italic.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_SansSerif-Bold.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Fraktur-Bold.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Script-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Math-Italic.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_SansSerif-Bold.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size3-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Caligraphic-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Caligraphic-Bold.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Math-BoldItalic.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Typewriter-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size1-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Math-BoldItalic.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Typewriter-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size3-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Fraktur-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Script-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_SansSerif-Regular.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Math-Italic.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_SansSerif-Italic.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Main-BoldItalic.woff2'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_Size4-Regular.woff'. Font not supported by platform.

ITMS-90853: Invalid font - There was an error validating the font at 'Runner.app/Frameworks/App.framework/flutter_assets/packages/flutter_tex/js/katex/fonts/KaTeX_SansSerif-Regular.woff'. Font not supported by platform.

It seems like the same issue already occurred in flutter itself. Here are some issues for reference

• App Store is rejecting App with Widget Extension flutter/flutter#69510
• [Icons] Update icon version to point to file that iOS will prefer. flutter/flutter#66524
• iOS 14 release Invalid Binary related to Invalid font when adding a Widget Extension flutter/flutter#65991

Is there a possibility to remove the .woff and .woff2 fonts from ios builds?

Thanks in advance for your help!

[Shahxad-Akram]

Are you still able to render Latex after removing these Katex fonts?