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.
hilla
workbench
amazon-kms
memmap
css-contain
vuepress2
nodelist
mlp
maskededitextender
aptana
nettcpbinding
ocaml-opium
fedora-33
aws-steps
deinit
ora-12154
nelmio-alice
react-native-progress-steps
pandas-1.0
priority-queue
ftplib
android-identifiers
mammoth
video-effects
showdialog
drivers
google-chrome-theme
polybase
google-tv
c++pmr