diff --git a/LocalExtensions.php b/LocalExtensions.php
index b3ccfc587f..f1bbbefa65 100644
--- a/LocalExtensions.php
+++ b/LocalExtensions.php
@@ -79,7 +79,7 @@
 }
 
 if ( $wmgUseCategorySortHeaders ) {
-	require_once "$IP/extensions/CategorySortHeaders/CategorySortHeaders.php";
+	wfLoadExtension( 'CategorySortHeaders' );
 }
 
 if ( $wmgUseCategoryTree ) {
@@ -162,7 +162,7 @@
 }
 
 if ( $wmgUseCreatePage ) {
-	require_once "$IP/extensions/CreatePage/CreatePage.php";
+	wfLoadExtension( 'CreatePage' );
 }
 if ( $wmgUseCreatePageUw ) {
 	wfLoadExtension( 'CreatePageUw' );
@@ -408,11 +408,11 @@
 }
 
 if ( $wmgUseLanguageSelector ) {
-	require_once "$IP/extensions/LanguageSelector/LanguageSelector.php";
+	wfLoadExtension( 'LanguageSelector' );
 }
 
 if ( $wmgUseLastModified ) {
-	require_once "$IP/extensions/LastModified/LastModified.php";
+	wfLoadExtension( 'LastModified' );
 }
 
 if ( $wmgUseLdap ) {
@@ -574,7 +574,7 @@
 }
 
 if ( $wmgUseNewUserNotif ) {
-	require_once "$IP/extensions/NewUserNotif/NewUserNotif.php";
+	wfLoadExtension( 'NewUserNotif' );
 }
 
 if ( $wmgUseNimbus ) {
@@ -646,7 +646,7 @@
 }
 
 if ( $wmgUsePipeEscape ) {
-	require_once "$IP/extensions/PipeEscape/PipeEscape.php";
+	wfLoadExtension( 'PipeEscape' );
 }
 
 if ( $wmgUsePivot ) {
@@ -737,7 +737,7 @@
 }
 
 if ( $wmgUseRightFunctions ) {
-	require_once "$IP/extensions/RightFunctions/RightFunctions.php";
+	wfLoadExtension( 'RightFunctions' );
 }
 
 if ( $wmgUseRSS ) {
@@ -904,7 +904,7 @@
 }
 
 if ( $wmgUseUrlGetParameters ) {
-	require_once "$IP/extensions/UrlGetParameters/UrlGetParameters.php";
+	wfLoadExtension( 'UrlGetParameters' );
 }
 
 if ( $wmgUseUrlShortener ) {
@@ -912,7 +912,7 @@
 }
 
 if ( $wmgUseUserFunctions ) {
-	require_once "$IP/extensions/UserFunctions/UserFunctions.php";
+	wfLoadExtension( 'UserFunctions' );
 }
 
 if ( $wmgUseUserPageEditProtection ) {
@@ -967,7 +967,7 @@
 }
 
 if ( $wmgUseWikibaseClient ) {
-	require_once "$IP/extensions/Wikibase/client/WikibaseClient.php";
+	wfLoadExtension( 'WikibaseClient', "$IP/extensions/Wikibase/extension-client.json" );
 }
 
 if ( $wmgUseWikibaseLexeme ) {
@@ -979,7 +979,7 @@
 }
 
 if ( $wmgUseWikibaseRepository ) {
-	require_once "$IP/extensions/Wikibase/repo/Wikibase.php";
+	wfLoadExtension( 'WikibaseRepository', "$IP/extensions/Wikibase/extension-repo.json" );
 }
 
 if ( $wmgUseWikibaseRepository || $wmgUseWikibaseClient ) {
diff --git a/LocalSettings.php b/LocalSettings.php
index df834abbba..f3a832e848 100644
--- a/LocalSettings.php
+++ b/LocalSettings.php
@@ -378,6 +378,9 @@
 	'wgCheckUserForceSummary' => [
 		'default' => true,
 	],
+	'wgCheckUserEnableSpecialInvestigate' => [
+		'default' => true,
+	],
 
 	// Citizen
 	'wgCitizenThemeDefault' => [
@@ -755,17 +758,17 @@
 		'default' => [
 			"$IP/maintenance/tables.sql",
 			"$IP/maintenance/tables-generated.sql",
-			"$IP/extensions/AbuseFilter/abusefilter.tables.sql",
+			"$IP/extensions/AbuseFilter/db_patches/mysql/abusefilter.sql",
 			"$IP/extensions/AntiSpoof/sql/patch-antispoof.mysql.sql",
-			"$IP/extensions/BetaFeatures/sql/create_counts.sql",
+			"$IP/extensions/BetaFeatures/sql/tables-generated.sql",
 			"$IP/extensions/CheckUser/cu_log.sql",
 			"$IP/extensions/CheckUser/cu_changes.sql",
 			"$IP/extensions/DataDump/sql/data_dump.sql",
 			"$IP/extensions/Echo/echo.sql",
-			"$IP/extensions/GlobalBlocking/sql/global_block_whitelist.sql",
+			"$IP/extensions/GlobalBlocking/sql/mysql/tables-generated-global_block_whitelist.sql",
 			"$IP/extensions/OAuth/schema/OAuth.sql",
 			"$IP/extensions/RottenLinks/sql/rottenlinks.sql",
-			"$IP/extensions/UrlShortener/schemas/urlshortcodes.sql"
+			"$IP/extensions/UrlShortener/schemas/tables-generated.sql"
 		],
 	],
 	'wgCreateWikiStateDays' => [
@@ -1783,33 +1786,17 @@
 	'wgFlaggedRevsTags' => [
 		'default' => [
 			'status' => [
-				'quality' => 1,
 				'levels' => 2,
-				'pristine' => 3,
 			],
 		],
 		'infectopedwiki' => [
 			'accuracy' => [
 				'levels' => 4,
-				'quality' => 2,
-				'pristine' => 4,
-			],
-			'depth' => [
-				'levels' => 4,
-				'quality' => 2,
-				'pristine' => 4,
-			],
-			'tone' => [
-				'levels' => 4,
-				'quality' => 1,
-				'pristine' => 4,
 			],
 		],
 		'isvwiki' => [
 			'status' => [
 				'levels' => 1,
-				'quality' => 2,
-				'pristine' => 4,
 			],
 		],
 	],
@@ -4139,6 +4126,11 @@
 		'default' => null,
 	],
 
+	// Timeline
+	'wgTimelineFontDirectory' => [
+		'default' => '/usr/share/fonts/truetype/freefont',
+	],
+
 	// Timezone
 	'wgLocaltimezone' => [
 		'default' => 'UTC',
diff --git a/ManageWikiExtensions.php b/ManageWikiExtensions.php
index 1bd96a5d74..1e43a1e664 100644
--- a/ManageWikiExtensions.php
+++ b/ManageWikiExtensions.php
@@ -222,7 +222,7 @@
 			'requires' => [],
 			'install' => [
 				'sql' => [
-					'babel' => "$IP/extensions/Babel/babel.sql"
+					'babel' => "$IP/extensions/Babel/sql/tables-generated.sql"
 				],
 			],
 			'section' => 'parserhooks',
@@ -1334,7 +1334,7 @@
 			'requires' => [],
 			'install' => [
 				'sql' => [
-					'linter' => "$IP/extensions/Linter/sql/linter.sql"
+					'linter' => "$IP/extensions/Linter/sql/tables-generated.sql"
 				],
 			],
 			'section' => 'specialpages',
@@ -2538,7 +2538,7 @@
 			'requires' => [],
 			'install' => [
 				'sql' => [
-					'pr_index' => "$IP/extensions/ProofreadPage/sql/ProofreadIndex.sql"
+					'pr_index' => "$IP/extensions/ProofreadPage/sql/tables-generated.sql"
 				],
 				'namespaces' => [
 					'Page' => [
@@ -2940,12 +2940,13 @@
 			'requires' => [],
 			'install' => [
 				'sql' => [
-					'wbc_entity_usage' => "$IP/extensions/Wikibase/client/sql/entity_usage.sql",
-					'wb_terms' => "$IP/extensions/Wikibase/repo/sql/Wikibase.sql",
-					'wb_changes' => "$IP/extensions/Wikibase/repo/sql/changes.sql",
-					'wb_changes_dispatch' => "$IP/extensions/Wikibase/repo/sql/changes_dispatch.sql",
-					'wb_changes_subscription' => "$IP/extensions/Wikibase/repo/sql/changes_subscription.sql",
-					'wb_property_info' => "$IP/extensions/Wikibase/repo/sql/wb_property_info.sql"
+					'wbc_entity_usage' => "$IP/extensions/Wikibase/client/sql/mysql/entity_usage.sql",
+					'wb_items_per_site' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_items_per_site.sql",
+					'wb_id_counters' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_id_counters.sql",
+					'wb_changes' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_changes.sql",
+					'wb_changes_dispatch' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_changes_dispatch.sql",
+					'wb_changes_subscription' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_changes_subscription.sql",
+					'wb_property_info' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_property_info.sql"
 				],
 				'mwscript' => [
 						"$IP/extensions/MirahezeMagic/maintenance/populateWikibaseSitesTable.php" => [],
@@ -2961,17 +2962,18 @@
 			'requires' => [],
 			'install' => [
 				'sql' => [
-					'wb_changes' => "$IP/extensions/Wikibase/repo/sql/changes.sql",
-					'wb_changes_dispatch' => "$IP/extensions/Wikibase/repo/sql/changes_dispatch.sql",
-					'wb_changes_subscription' => "$IP/extensions/Wikibase/repo/sql/changes_subscription.sql",
-					'wbt_item_terms' => "$IP/extensions/Wikibase/repo/sql/AddNormalizedTermsTablesDDL.sql",
-					'wb_terms' => "$IP/extensions/Wikibase/repo/sql/Wikibase.sql",
-					'wbt_term_in_lang' => "$IP/extensions/Wikibase/repo/sql/AddNormalizedTermsTablesDDL.sql",
-					'wbt_text_in_lang' => "$IP/extensions/Wikibase/repo/sql/AddNormalizedTermsTablesDDL.sql",
-					'wbt_text' => "$IP/extensions/Wikibase/repo/sql/AddNormalizedTermsTablesDDL.sql",
-					'wbt_type' => "$IP/extensions/Wikibase/repo/sql/AddNormalizedTermsTablesDDL.sql",
-					'wb_property_info' => "$IP/extensions/Wikibase/repo/sql/wb_property_info.sql",
-					'wbt_property_terms' => "$IP/extensions/Wikibase/repo/sql/AddNormalizedTermsTablesDDL.sql",
+					'wb_changes' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_changes.sql",
+					'wb_changes_dispatch' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_changes_dispatch.sql",
+					'wb_changes_subscription' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_changes_subscription.sql",
+					'wb_items_per_site' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_items_per_site.sql",
+					'wb_id_counters' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_id_counters.sql",
+					'wbt_item_terms' => "$IP/extensions/Wikibase/repo/sql/mysql/term_store.sql",
+					'wbt_term_in_lang' => "$IP/extensions/Wikibase/repo/sql/mysql/term_store.sql",
+					'wbt_text_in_lang' => "$IP/extensions/Wikibase/repo/sql/mysql/term_store.sql",
+					'wbt_text' => "$IP/extensions/Wikibase/repo/sql/mysql/term_store.sql",
+					'wbt_type' => "$IP/extensions/Wikibase/repo/sql/mysql/term_store.sql",
+					'wb_property_info' => "$IP/extensions/Wikibase/repo/sql/mysql/wb_property_info.sql",
+					'wbt_property_terms' => "$IP/extensions/Wikibase/repo/sql/mysql/term_store.sql",
 				],
 				'permissions' => [
 					'*' => [
@@ -3066,7 +3068,7 @@
 			],
 			'install' => [
 				'sql' => [
-					'wbqc_constraints' => "$IP/extensions/WikibaseQualityConstraints/sql/create_wbqc_constraints.sql",
+					'wbqc_constraints' => "$IP/extensions/WikibaseQualityConstraints/sql/mysql/tables-generated.sql",
 				],
 			],
 			'section' => 'other',
@@ -3122,7 +3124,7 @@
 			'requires' => [],
 			'install' => [
 				'sql' => [
-					'wikilove_log' => "$IP/extensions/WikiLove/patches/WikiLoveLog.sql"
+					'wikilove_log' => "$IP/extensions/WikiLove/patches/tables-generated.sql"
 				],
 			],
 			'section' => 'other',
diff --git a/extension-list b/extension-list
index f555229a95..5fd1034da7 100644
--- a/extension-list
+++ b/extension-list
@@ -17,7 +17,7 @@ $IP/extensions/BlogPage/extension.json
 $IP/extensions/CSS/extension.json
 $IP/extensions/Calendar/extension.json
 $IP/extensions/Cargo/extension.json
-$IP/extensions/CategorySortHeaders/CategorySortHeaders.php
+$IP/extensions/CategorySortHeaders/extension.json
 $IP/extensions/CategoryTree/extension.json
 $IP/extensions/CentralAuth/extension.json
 $IP/extensions/CentralNotice/extension.json
@@ -41,7 +41,7 @@ $IP/extensions/ContactPage/extension.json
 $IP/extensions/ContributionScores/extension.json
 $IP/extensions/CookieWarning/extension.json
 $IP/extensions/CountDownClock/extension.json
-$IP/extensions/CreatePage/CreatePage.php
+$IP/extensions/CreatePage/extension.json
 $IP/extensions/CreatePageUw/extension.json
 $IP/extensions/CreateRedirect/extension.json
 $IP/extensions/CreateWiki/extension.json
@@ -107,9 +107,9 @@ $IP/extensions/JsCalendar/extension.json
 $IP/extensions/JsonConfig/extension.json
 $IP/extensions/Kartographer/extension.json
 $IP/extensions/LabeledSectionTransclusion/extension.json
-$IP/extensions/LanguageSelector/LanguageSelector.php
-$IP/extensions/LastModified/LastModified.php
-$IP/extensions/LdapAuthentication/LdapAuthentication.php
+$IP/extensions/LanguageSelector/extension.json
+$IP/extensions/LastModified/extension.json
+$IP/extensions/LdapAuthentication/extension.json
 $IP/extensions/Lingo/extension.json
 $IP/extensions/LinkSuggest/extension.json
 $IP/extensions/LinkTarget/extension.json
@@ -142,7 +142,7 @@ $IP/extensions/MultimediaViewer/extension.json
 $IP/extensions/MyVariables/extension.json
 $IP/extensions/NewSignupPage/extension.json
 $IP/extensions/NewUserMessage/extension.json
-$IP/extensions/NewUserNotif/NewUserNotif.php
+$IP/extensions/NewUserNotif/extension.json
 $IP/extensions/NewestPages/extension.json
 $IP/extensions/Newsletter/extension.json
 $IP/extensions/NoTitle/extension.json
@@ -164,7 +164,7 @@ $IP/extensions/PageTriage/extension.json
 $IP/extensions/PagedTiffHandler/extension.json
 $IP/extensions/ParserFunctions/extension.json
 $IP/extensions/PdfHandler/extension.json
-$IP/extensions/PipeEscape/PipeEscape.php
+$IP/extensions/PipeEscape/extension.json
 $IP/extensions/Poem/extension.json
 $IP/extensions/PollNY/extension.json
 $IP/extensions/PortableInfobox/extension.json
@@ -189,7 +189,7 @@ $IP/extensions/Renameuser/extension.json
 $IP/extensions/ReplaceText/extension.json
 $IP/extensions/Report/extension.json
 $IP/extensions/RevisionSlider/extension.json
-$IP/extensions/RightFunctions/RightFunctions.php
+$IP/extensions/RightFunctions/extension.json
 $IP/extensions/SandboxLink/extension.json
 $IP/extensions/Score/extension.json
 $IP/extensions/mw-ScratchBlocks4/extension.json
@@ -241,8 +241,8 @@ $IP/extensions/TwoColConflict/extension.json
 $IP/extensions/UniversalLanguageSelector/extension.json
 $IP/extensions/UploadsLink/extension.json
 $IP/extensions/UserMerge/extension.json
-$IP/extensions/UrlGetParameters/UrlGetParameters.php
-$IP/extensions/UserFunctions/UserFunctions.php
+$IP/extensions/UrlGetParameters/extension.json
+$IP/extensions/UserFunctions/extension.json
 $IP/extensions/UserPageEditProtection/extension.json
 $IP/extensions/UrlShortener/extension.json
 $IP/extensions/Variables/extension.json
@@ -260,8 +260,8 @@ $IP/extensions/WikiLove/extension.json
 $IP/extensions/WikimediaIncubator/extension.json
 $IP/extensions/WikiSEO/extension.json
 $IP/extensions/WikiTextLoggedInOut/extension.json
-$IP/extensions/Wikibase/client/WikibaseClient.php
-$IP/extensions/Wikibase/repo/Wikibase.php
+$IP/extensions/Wikibase/extension-client.json
+$IP/extensions/Wikibase/extension-repo.json
 $IP/extensions/WikibaseLexeme/extension.json
 $IP/extensions/WikibaseQualityConstraints/extension.json
 $IP/extensions/WikidataPageBanner/extension.json