+# Since 1.32 MW introduced interface-admin group to separate all UI-related rights. This makes sense for bigger sites,
+# but for OSM it makes more sense to keep group structure simple. Give all interface-admin rights to sysops.
+# Also remove the interface-admin group to avoid confusion.
+$wgGroupPermissions['sysop'] = array_merge( $wgGroupPermissions['sysop'], $wgGroupPermissions['interface-admin'] );
+unset( $wgGroupPermissions['interface-admin'] );
+unset( $wgRevokePermissions['interface-admin'] );
+unset( $wgAddGroups['interface-admin'] );
+unset( $wgRemoveGroups['interface-admin'] );
+unset( $wgGroupsAddToSelf['interface-admin'] );
+unset( $wgGroupsRemoveFromSelf['interface-admin'] );
+
+# The v1.32+ gadget system also requires two additional rights
+# See https://www.mediawiki.org/wiki/Extension:Gadgets
+$wgGroupPermissions['sysop']['gadgets-edit'] = true;
+$wgGroupPermissions['sysop']['gadgets-definition-edit'] = true;
+