Blog

News and announcements from the Mock Service Worker team.

Enter WebSockets
November 21, 2024

Four years in the making, today we are welcoming a new protocol in the expanding family of MSW—WebSockets.
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Introducing Source
July 9, 2024

Request handlers is a great way to describe the source of truth for your network. But what if you already have that description elsewhere? Well, that's where Source comes in.
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Introducing Server Boundary
February 12, 2024

Read about the new API that enables concurrent test runs with Mock Service Worker.
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Why Use Mock Service Worker?
January 10, 2024

When there are so many API mocking tools, why would you ever choose Mock Service Worker?
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Introducing MSW 2.0
October 23, 2023

The biggest library release is finally here! Learn more about the changes, motivation behind them, and how to upgrade to the next version today.
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