The Notifier Component is marked stable with the Symfony 5.3 release. A good time to have a closer look at how the Symfony Notifier works and what you can do with it.
@jschaedl 17 The Channel has to support the Recipient Channels and Recipients ChannelPolicy ChatChannel SmsChannel EmailChannel BrowserChannel ChatMessage SmsMessage EmailMessage send(…) Notifier Recipient Notification Transports Transports Transports