+* wfUsePHP() is deprecated.
+* wfFixSessionID() was removed.
+* wfShellExec() and related functions are deprecated, use Shell::command().
+* (T138166) SpecialEmailUser::getTarget() now requires a second argument, the sending
+ user object. Using the method without the second argument is deprecated.
+* (T67297) Browsers that don't support Unicode will have their edits rejected.