Follow-up for I727c19214.
Bug: T156983
Change-Id: I845d2acc2284a107d4bacd526e7598bade118d0a
new features that rely on the schema changes to the user_groups table. This
feature flag will likely be removed before 1.29 is released.
* (T158474) "Unknown user" has been added to $wgReservedUsernames.
+* (T156983) $wgRateLimitsExcludedIPs now accepts CIDR ranges as well as single IPs.
=== New features in 1.29 ===
* (T5233) A cookie can now be set when a user is autoblocked, to track that user