DEPLOY: Set $wgOldRevisionParserCacheExpireTime = 0 in production first!
Bug: T267832
Depends-On: I3c73f5d9f6a54e2736600e8f9506659a3fb0e7f6
Change-Id: I0fe275b4991f1bf89c7bb587132bc4fb0ea862e2
One major difference with what we've had before is that now we
actually write class names into the serialization - given that
this new mechanism is extencible, we can't establish any kind
of mapping of allowed classes. I do not think it's a problem
though.
Bug: T264394
Change-Id: Ia152f3b76b967aabde2d8a182e3aec7d3002e5ea
