* ApiBase::getValidNamespaces() (deprecated in 1.17)
* ApiMain::setCachePrivate() (deprecated in 1.17)
* ApiMain::setVaryCookie (deprecated in 1.17)
+* Article::forUpdate() (deprecated in 1.18)
* CategoryViewer::addSubcategory() (deprecated in 1.17)
* EditPage::spamPage() (deprecated since 1.17)
* Exif::getFormattedData() (deprecated in 1.18)