I have custom icons that work fine on IOS and Android. When I deploy on the Web, a crossed out box appears in each place in the App where my icon should appear.
one-time-password
gulp-plugin
sparse-file
ag-grid-ng2
ecmascript-2016
uilistcontentconfiguration
android-viewpager2
high-contrast
java-console
right-to-left
libvirt
binwalk
esri-leaflet
kubernetes-operator
dancer
rke2
angular-sanitizer
printers
flutter-provider
createcontext
omml
telegram-instant-view
danger
phyloseq
recorder
character-class
tensorrt
google-fusion-tables
packing
poi-hssf