ASP.NET Core 10 introduces native Server-Sent Events (SSE) support as a lightweight alternative to SignalR for one-way real-time updates. SSE uses standard HTTP with the text/event-stream content type, requires no client libraries, and supports automatic browser reconnection. The new Results.ServerSentEvents API works with

6m read timeFrom milanjovanovic.tech
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Why SSE Instead of SignalR?The Simplest Server-Sent Events EndpointHandling Missed EventsFiltering Server-Sent Events by UserConsuming Server-Sent Events in JavaScriptSummary

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