* MWMemcached and MemCachedClientforWiki classes (deprecated in 1.27) were removed.
The MemcachedClient class should be used instead.
* EditPage::isOouiEnabled() is deprecated and will always return true.
+* EditPage::getSummaryInput() and ::getSummaryInputOOUI() are deprecated. Please
+ use ::getSummaryInputWidget() instead.
+* EditPage::getCheckboxes() and ::getCheckboxesOOUI() are deprecated. Please
+ use ::getCheckboxesWidget() instead.
* Parser::getRandomString() (deprecated in 1.26) was removed.
* Parser::uniqPrefix() (deprecated in 1.26) was removed.
* Parser::extractTagsAndParams() now only accepts three arguments. The fourth,