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+  o Major features:
+    - Relays now process the new "NTor" circuit-level handshake requests
+      with higher priority than the old "TAP" circuit-level handshake
+      requests. We still process some TAP requests to not totally starve
+      0.2.3 clients when NTor becomes popular. A new consensus parameter
+      "NumNTorsPerTAP" lets us tune the balance later if we need to.
+      Implements ticket 9574.