* (T138166) Added ability for users to prohibit other users from sending them
emails with Special:Emailuser. Can be enabled by setting
$wgEnableUserEmailBlacklist to true.
+* $wgBrowserBlacklist is deprecated, and changing it will have no effect.
=== External library changes in 1.30 ===
* 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.
== Compatibility ==
MediaWiki 1.30 requires PHP 5.5.9 or later. There is experimental support for