* The spyc library is now no longer included in phase3.
* (bug 28343) Unused preferences contextlines/contextchars have been removed
* $wgSkinExtensionFunctions has been removed. Use $wgExtensionFunctions instead.
+* $wgProto has been removed. You now only need to set $wgServer to change the
+ URL protocol.
=== New features in 1.18 ===
* (bug 8130) Query pages should limit to content namespaces, not just main
* (bug 29263) Add LTR class to the shared CSS to be used for left-to-right text
such as SQL queries shown in dberrortext and similar messages in RTL
environments
+* (bug 14977) Fixed $wgServer detection in cases where an IPv6 address is used
+ as the server name.
=== API changes in 1.18 ===
* (bug 26339) Throw warning when truncating an overlarge API result.