The Notifier component was introduced in Symfony 5.2 as the best way to send
notifications via one or more channels (email, SMS, chats, etc.) The component
is already integrated with dozens of services, but in Symfony 5.3 we’ve added
many more integrations:

Chatting services

Microsoft Teams
added by Edouard Lescot
in PR 39007
Gitter added by
Christin Gruber
in PR 39838
Mercure
added by Mathias Arlaud
in PR 39342

SMS services

SMS Biuras
added by Vasilij Duško
in PR 40691
LightSMS
added by Vasilij Duško
in PR 40607
iqsms
added by Oleksandr B.
in PR 39096
AllMySMS
added by Quentin Dequippe
in PR 39617
MessageBird
added by Vasilij Duško
in PR 40646
Spot-Hit
added by James Hemery
in PR 39948
Octopush
added by Aurélien Martin
in PR 39702
GatewayAPI
added by Piergiuseppe Longo
in PR 39568
Clickatell
added by Kevin Auvinet
in PR 38922

Other

We’ve also added some fake SMS and chat services so you can use them to debug
features while developing them:

FakeSms added by James Hemery
in PR 39949
FakeChat added by Oskar Stark
in PR 40647

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