MediaWiki\Linker\LinkRenderer. In addition, the LinkBegin and LinkEnd hooks
were replaced by HtmlPageLinkRendererBegin and HtmlPageLinkRendererEnd
respectively. See docs/hooks.txt for the specific changes needed for those hooks.
+* Linker::formatSize() was deprecated. Use Language::formatSize() directly.
* Aliases for Linker methods, deprecated since 1.21, were removed from Skin:
* Skin::commentBlock() (use Linker::commentBlock() instead)
* Skin::generateRollback() (use Linker::generateRollback() instead)