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.
wp-nav-walker
lme4
nsjsonserialization
dgrams
view-components
react-native-fast-image
rfb-protocol
font-smoothing
entity-component-system
pytest-aiohttp
window-scroll
rails-migrations
auth0-deploy-cli
flask-sqlalchemy
coroutineworker
vga
qabstracttablemodel
simpleaudioengine
gs-installable-triggers
yui
swipe-gesture
rust-sqlx
pdf-specification
cjuidialog
castor
igx-grid
infyom
bulletphysics
openprocess
google-play-console