What does Zen Streaming do in UE 5.6, and why does packaging fail when it’s enabled?

Development Programming & Scripting Blueprint
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I’m trying to understand what Zen Streaming does in UE 5.6.

When I enable Zen Streaming and attempt to package a project, the build fails to archive. The only packaging option that seems to work is Pak.

  • What exactly is Zen Streaming meant for?

  • Why does packaging fail when it’s enabled?

  • Is there a way to successfully package a project with Zen Streaming, or is it currently unsupported?

You can reproduce this issue by creating a brand new 5.6 blank project and attempting to package with Zen Streaming.