When a POST request starts in one process but is redirected to another, we don't send along its POST data. See bug 1435615 comment 6. Mike, please feel free to correct/change this bug. I filed it in Firefox :: Tabbed Browser since that's where bug 1376895 is filed, but I'm not sure whether that's the best place. (In reply to Mike Conley (:mconley) (:⚙️) (Totally backlogged on reviews and needinfos) from bug 1435615 comment #11) > Can you please file a new bug to correct this, and mark is as depending on > bug 1344465? And then perhaps reference that new bug here? We should > probably get this all fixed up once bug 1344465 gets fixed.
Component: Tabbed Browser → DOM: Content Processes
Product: Firefox → Core
This looks like a Fission blocker, but I think the browsing context redesign would take care of this?
InputStream can be sent via StructuredCloneHolder and they should work cross-processes. We send them from child to parent or parent to child for Blobs, of instance.
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