+* wiki.phtml entry point was removed. Refer to index.php instead. If you want "wiki.phtml"
+ URLs to continue to work, set up redirects. In Apache, this can be done by enabling
+ mod_rewrite and adding the following rules to your configuration:
+
+ RewriteEngine On
+ RewriteBase /
+ RewriteRule ^/w/wiki\.phtml$ /w/index.php [R=301,L]
+* Hook ArticleAfterFetchContent (deprecated in 1.21) was removed.
+ Use ArticleAfterFetchContentObject instead.
+* Hook ArticleInsertComplete (deprecated in 1.21) was removed.
+ Use PageContentInsertComplete instead.
+* Hook ArticleSave (deprecated in 1.21) was removed.
+ Use PageContentSave instead.
+* Hook ArticleSaveComplete (deprecated in 1.21) was removed.
+ Use PageContentSaveComplete instead.
+* Hook EditFilterMerged (deprecated in 1.21) was removed.
+ Use EditFilterMergedContent instead.
+* Hook EditPageGetPreviewText (deprecated in 1.21) was removed.
+ Use EditPageGetPreviewContent instead.
+* Hook TitleIsCssOrJsPage (deprecated in 1.21) was removed.
+ Use ContentHandlerDefaultModelFor instead.
+* Hook TitleIsWikitextPage (deprecated in 1.21) was removed.
+ Use ContentHandlerDefaultModelFor instead.
+* Article::getContent() (deprecated in 1.21) was removed.
+* Revision::getText() (deprecated in 1.21) was removed.
+* Article::doEdit() and WikiPage::doEdit() (deprecated in 1.21) were removed.
+* Parser::replaceUnusualEscapes() (deprecated in 1.24) was removed.
+* Article::doEditContent() was marked as deprecated, to be removed in 1.30
+ or later.
+* ContentHandler::runLegacyHooks() was removed.