Everything You Need to Know to Master Server-Sent Events (SSE) in Symfony 7.4

If your requirement is unidirectional (Server → Client) **Server-Sent Events (SSE)** is the protocol you should master. SSE runs over standard HTTP/1.1 or HTTP/2. It doesn’t require complex handshakes, works with standard authentication mechanisms, and native support is built into every modern browser via the**EventSource API.