diff --git a/modules/jquery.wikiEditor.dialogs.config.js b/modules/jquery.wikiEditor.dialogs.config.js
index 81c269dc..2f57c702 100644
--- a/modules/jquery.wikiEditor.dialogs.config.js
+++ b/modules/jquery.wikiEditor.dialogs.config.js
@@ -1013,19 +1013,11 @@
 					browsers: {
 						// Left-to-right languages
 						ltr: {
-							msie: [ [ '>=', 11 ] ], // Known to work on 11.
-							firefox: [ [ '>=', 2 ] ],
-							opera: false,
-							safari: [ [ '>=', 3 ] ],
-							chrome: [ [ '>=', 3 ] ]
+							msie: [ [ '>=', 11 ] ] // Known to work on 11.
 						},
 						// Right-to-left languages
 						rtl: {
-							msie: [ [ '>=', 11 ] ], // Works on 11 but dialog positioning is cruddy.
-							firefox: [ [ '>=', 2 ] ],
-							opera: false,
-							safari: [ [ '>=', 3 ] ],
-							chrome: [ [ '>=', 3 ] ]
+							msie: [ [ '>=', 11 ] ] // Works on 11 but dialog positioning is cruddy.
 						}
 					},
 					titleMsg: 'wikieditor-toolbar-tool-replace-title',
diff --git a/modules/jquery.wikiEditor.dialogs.js b/modules/jquery.wikiEditor.dialogs.js
index 23d82f87..04ae33c6 100644
--- a/modules/jquery.wikiEditor.dialogs.js
+++ b/modules/jquery.wikiEditor.dialogs.js
@@ -11,35 +11,19 @@
 		browsers: {
 			// Left-to-right languages
 			ltr: {
-				msie: [ [ '>=', 7 ] ],
-				// jQuery UI appears to be broken in FF 2.0 - 2.0.0.4
-				firefox: [
-				[ '>=', 2 ],
-				[ '!=', '2.0' ],
-				[ '!=', '2.0.0.1' ],
-				[ '!=', '2.0.0.2' ],
-				[ '!=', '2.0.0.3' ],
-				[ '!=', '2.0.0.4' ]
-				],
-				opera: [ [ '>=', 9.6 ] ],
-				safari: [ [ '>=', 3 ] ],
-				chrome: [ [ '>=', 3 ] ]
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ]
 			},
 			// Right-to-left languages
 			rtl: {
-				msie: [ [ '>=', 7 ] ],
-				// jQuery UI appears to be broken in FF 2.0 - 2.0.0.4
-				firefox: [
-				[ '>=', 2 ],
-				[ '!=', '2.0' ],
-				[ '!=', '2.0.0.1' ],
-				[ '!=', '2.0.0.2' ],
-				[ '!=', '2.0.0.3' ],
-				[ '!=', '2.0.0.4' ]
-				],
-				opera: [ [ '>=', 9.6 ] ],
-				safari: [ [ '>=', 3 ] ],
-				chrome: [ [ '>=', 3 ] ]
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ]
 			}
 		},
 
diff --git a/modules/jquery.wikiEditor.js b/modules/jquery.wikiEditor.js
index 91d12534..c0d35db1 100644
--- a/modules/jquery.wikiEditor.js
+++ b/modules/jquery.wikiEditor.js
@@ -63,15 +63,11 @@
 		browsers: {
 			// Left-to-right languages
 			ltr: {
-				// The toolbar layout is broken in IE6
-				msie: [ [ '>=', 7 ] ],
-				// Layout issues in FF < 2
-				firefox: [ [ '>=', 2 ] ],
-				// Text selection bugs galore
-				opera: [ [ '>=', 9.6 ] ],
-				// jQuery minimums
-				safari: [ [ '>=', 3 ] ],
-				chrome: [ [ '>=', 3 ] ],
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ],
 				netscape: [ [ '>=', 9 ] ],
 				blackberry: false,
 				ipod: [ [ '>=', 6 ] ],
@@ -79,15 +75,11 @@
 			},
 			// Right-to-left languages
 			rtl: {
-				// The toolbar layout is broken in IE 7 in RTL mode, and IE6 in any mode
-				msie: [ [ '>=', 8 ] ],
-				// Layout issues in FF < 2
-				firefox: [ [ '>=', 2 ] ],
-				// Text selection bugs galore
-				opera: [ [ '>=', 9.6 ] ],
-				// jQuery minimums
-				safari: [ [ '>=', 3 ] ],
-				chrome: [ [ '>=', 3 ] ],
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ],
 				netscape: [ [ '>=', 9 ] ],
 				blackberry: false,
 				ipod: [ [ '>=', 6 ] ],
@@ -171,7 +163,7 @@
 				return object[ property ];
 			} else if ( property + 'Msg' in object ) {
 				p = object[ property + 'Msg' ];
-				if ( $.isArray( p ) && p.length >= 2 ) {
+				if ( Array.isArray( p ) && p.length >= 2 ) {
 					return mw.message.apply( mw.message, p ).text();
 				} else {
 					return mw.message( p ).text();
diff --git a/modules/jquery.wikiEditor.preview.js b/modules/jquery.wikiEditor.preview.js
index 82f7f63e..7b5b7030 100644
--- a/modules/jquery.wikiEditor.preview.js
+++ b/modules/jquery.wikiEditor.preview.js
@@ -8,17 +8,19 @@
 		browsers: {
 			// Left-to-right languages
 			ltr: {
-				msie: [ [ '>=', 7 ] ],
-				firefox: [ [ '>=', 3 ] ],
-				opera: [ [ '>=', 9.6 ] ],
-				safari: [ [ '>=', 4 ] ]
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ]
 			},
 			// Right-to-left languages
 			rtl: {
-				msie: [ [ '>=', 8 ] ],
-				firefox: [ [ '>=', 3 ] ],
-				opera: [ [ '>=', 9.6 ] ],
-				safari: [ [ '>=', 4 ] ]
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ]
 			}
 		},
 
diff --git a/modules/jquery.wikiEditor.publish.js b/modules/jquery.wikiEditor.publish.js
index 8f73e358..08a6cc57 100644
--- a/modules/jquery.wikiEditor.publish.js
+++ b/modules/jquery.wikiEditor.publish.js
@@ -9,17 +9,19 @@
 		browsers: {
 			// Left-to-right languages
 			ltr: {
-				msie: [ [ '>=', 7 ] ],
-				firefox: [ [ '>=', 3 ] ],
-				opera: [ [ '>=', 9.6 ] ],
-				safari: [ [ '>=', 4 ] ]
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ]
 			},
 			// Right-to-left languages
 			rtl: {
-				msie: [ [ '>=', 8 ] ],
-				firefox: [ [ '>=', 3 ] ],
-				opera: [ [ '>=', 9.6 ] ],
-				safari: [ [ '>=', 4 ] ]
+				msie: [ [ '>=', 9 ] ],
+				firefox: [ [ '>=', 4 ] ],
+				opera: [ [ '>=', '10.5' ] ],
+				safari: [ [ '>=', 5 ] ],
+				chrome: [ [ '>=', 5 ] ]
 			}
 		},