** This is currently gated by $wgCommentTableSchemaMigrationStage. Most wikis
can set this to MIGRATION_NEW and run maintenance/migrateComments.php as
soon as any necessary extensions are updated.
+* (T138166) Added ability for users to prohibit other users from sending them
+ emails with Special:Emailuser. Can be enabled by setting
+ $wgEnableUserEmailBlacklist to true.
=== External library changes in 1.30 ===
* (T157227) bot_password.bp_user, change_tag.ct_log_id, change_tag.ct_rev_id,
page_restrictions.pr_user, tag_summary.ts_log_id, tag_summary.ts_rev_id and
user_properties.up_user have all been made unsigned on MySQL.
+* DB_SLAVE is deprecated. DB_REPLICA should be used instead.
+* 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.
== Compatibility ==
MediaWiki 1.30 requires PHP 5.5.9 or later. There is experimental support for