> I'm not sure we can support all these Jetty versions in one Weld branch. Not to mention the older versions. We should probably reconsider the way Weld Servlet supports available servlet containers.

We've thought about that as well, we have an experimental CDI module that enables CDI at the server level.
We've been trying to wire up for a while now. But the multi-webapp quirks and the WebSocket lifecycle are just too high of a mountain for us to climb on our own.

See: https://github.com/eclipse/jetty.project/tree/master/jetty-cdi