The XMPP Interop Testing Project is dedicated to ensuring that different XMPP server implementations can work together seamlessly. The latest release, made possible through support from the most excellent @nlnet funding program, has doubled the number of tests to nearly 1000!

If you're using the test runners, update! If you're a dev of a #XMPP server implementation that doesn't, consider adding one of the test runners to your CI/CD pipeline!

Read more in this blog post! https://xmpp-interop-testing.github.io/2025/07/30/moar-tests.html