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.
toast-ui-image-editor
merkle-tree
umzug
aws-sdk-net
google-drive-api
tableviewcell
rdl
firefox-developer-edition
vue-transitions
microsoft.codeanalysis
uivideoeditorcontroller
google-play-protect
flutter-localizations
git-crypt
fts4
mixture-model
resolveurl
sesam
elasticsearch-performance
chatkit
medical-imaging
java-12
flash-builder
rdfox
valueconverter
fileinfo
regex-greedy
encryption-asymmetric
varying
google-spark-operator