removed all internal usage of the touch overflow support test and enabled flag. Still leaving both defined, however.

css/structure/jquery.mobile.core.css

@@ -24,32 +24,6 @@ div.ui-mobile-viewport { overflow-x: hidden; }
 .ui-mobile, .ui-mobile .ui-page { min-height: 300px; }
 }
 
-/* native overflow scrolling */
-.ui-page.ui-mobile-touch-overflow,
-.ui-page.ui-mobile-touch-overflow.ui-page-header-fixed .ui-content,
-.ui-page.ui-mobile-touch-overflow.ui-page-footer-fixed .ui-content {
-	overflow: auto;
-	height: 100%;
-	left: 0;
-	right: 0;
-	-webkit-overflow-scrolling: touch;
-	-moz-overflow-scrolling: touch;
-	-o-overflow-scrolling: touch;
-	-ms-overflow-scrolling: touch;
-	overflow-scrolling: touch;
-}
-.ui-page.ui-mobile-touch-overflow.ui-page-header-fixed {
-	overflow: visible;
-}
-.ui-page.ui-mobile-touch-overflow,
-.ui-page.ui-mobile-touch-overflow * {
-	/* some level of transform keeps elements from blinking out of visibility on iOS */
-	-webkit-transform: rotateY(0);
-}
-.ui-page.ui-mobile-pre-transition {
-	display: block;
-}
-
 /* loading screen */
 .ui-loading .ui-loader { display: block; }
 .ui-loader { background-color: #000; opacity: .18; display: none; z-index: 9999999; position: fixed; width: 46px; height: 46px; top: 50%; box-shadow: 0 1px 1px -1px #fff; margin-left: -18px; margin-top: -18px; left: 50%; padding: 1px; border:0; -webkit-border-radius: 36px; -moz-border-radius: 36px; border-radius: 36px; }

js/jquery.mobile.forms.select.custom.js

@@ -311,9 +311,8 @@ define( [
 					menuHeight = self.list.parent().outerHeight(),
 					menuWidth = self.list.parent().outerWidth(),
 					activePage = $( ".ui-page-active" ),
-					tOverflow = $.support.touchOverflow && $.mobile.touchOverflowEnabled,
-					tScrollElem = activePage.is( ".ui-native-fixed" ) ? activePage.find( ".ui-content" ) : activePage,
-					scrollTop = tOverflow ? tScrollElem.scrollTop() : $( window ).scrollTop(),
+					tScrollElem = activePage,
+					scrollTop = ( window ).scrollTop(),
 					btnOffset = self.button.offset().top,
 					screenHeight = $(window).height(),
 					screenWidth = $(window).width();

js/jquery.mobile.init.js

@@ -126,24 +126,6 @@ define( [ "jquery", "jquery.mobile.core", "jquery.mobile.navigation", "jquery.mo
 		}
 	});
 
-	// This function injects a meta viewport tag to prevent scaling. Off by default, on by default when touchOverflow scrolling is enabled
-	function disableZoom() {
-		var cont = "user-scalable=no",
-			meta = $( "meta[name='viewport']" );
-
-		if( meta.length ){
-			meta.attr( "content", meta.attr( "content" ) + ", " + cont );
-		}
-		else{
-			$( "head" ).prepend( "<meta>", { "name": "viewport", "content": cont } );
-		}
-	}
-
-	// if touch-overflow is enabled, disable user scaling, as it creates usability issues
-	if( $.support.touchOverflow && $.mobile.touchOverflowEnabled && !$.mobile.touchOverflowZoomEnabled ){
-		disableZoom();
-	}
-
 	// initialize events now, after mobileinit has occurred
 	$.mobile._registerInternalEvents();
 

js/jquery.mobile.navigation.js

@@ -406,21 +406,9 @@ define( [
 
 	// Save the last scroll distance per page, before it is hidden
 	var setLastScrollEnabled = true,
-		firstScrollElem, getScrollElem, setLastScroll, delayedSetLastScroll;
+		setLastScroll, delayedSetLastScroll;
 
-	getScrollElem = function() {
-		var scrollElem = $window, activePage,
-			touchOverflow = $.support.touchOverflow && $.mobile.touchOverflowEnabled;
-
-		if( touchOverflow ){
-			activePage = $( ".ui-page-active" );
-			scrollElem = activePage.is( ".ui-native-fixed" ) ? activePage.find( ".ui-content" ) : activePage;
-		}
-
-		return scrollElem;
-	};
-
-	setLastScroll = function( scrollElem ) {
+	setLastScroll = function() {
 		// this barrier prevents setting the scroll value based on the browser
 		// scrolling the window based on a hashchange
 		if( !setLastScrollEnabled ) {
@@ -430,7 +418,7 @@ define( [
 		var active = $.mobile.urlHistory.getActive();
 
 		if( active ) {
-			var lastScroll = scrollElem && scrollElem.scrollTop();
+			var lastScroll = $window.scrollTop();
 
 			// Set active page's lastScroll prop.
 			// If the location we're scrolling to is less than minScrollBack, let it go.
@@ -443,7 +431,7 @@ define( [
 	// to the hash targets location (sometimes the top of the page). once pagechange fires
 	// getLastScroll is again permitted to operate
 	delayedSetLastScroll = function() {
-		setTimeout( setLastScroll, 100, $(this) );
+		setTimeout( setLastScroll, 100 );
 	};
 
 	// disable an scroll setting when a hashchange has been fired, this only works
@@ -462,23 +450,22 @@ define( [
 	$window.one( "pagecontainercreate", function(){
 		// once the page has changed, re-enable the scroll recording
 		$.mobile.pageContainer.bind( "pagechange", function() {
-			var scrollElem = getScrollElem();
 
 	 		setLastScrollEnabled = true;
 
 			// remove any binding that previously existed on the get scroll
 			// which may or may not be different than the scroll element determined for
 			// this page previously
-			scrollElem.unbind( "scrollstop", delayedSetLastScroll );
+			$window.unbind( "scrollstop", delayedSetLastScroll );
 
 			// determine and bind to the current scoll element which may be the window
 			// or in the case of touch overflow the element with touch overflow
-			scrollElem.bind( "scrollstop", delayedSetLastScroll );
+			$window.bind( "scrollstop", delayedSetLastScroll );
 		});
 	});
 
 	// bind to scrollstop for the first page as "pagechange" won't be fired in that case
-	getScrollElem().bind( "scrollstop", delayedSetLastScroll );
+	$window.bind( "scrollstop", delayedSetLastScroll );
 
 	//function for transitioning between two existing pages
 	function transitionPages( toPage, fromPage, transition, reverse ) {
@@ -529,10 +516,6 @@ define( [
 
 	//simply set the active page's minimum height to screen height, depending on orientation
 	function resetActivePageHeight(){
-		// Don't apply this height in touch overflow enabled mode
-		if( $.support.touchOverflow && $.mobile.touchOverflowEnabled ){
-			return;
-		}
 		$( "." + $.mobile.activePageClass ).css( "min-height", getScreenHeight() );
 	}
 

js/jquery.mobile.transition.js

@@ -17,8 +17,7 @@ function outInTransitionHandler( name, reverse, $to, $from ) {
 	var deferred = new $.Deferred(),
 		reverseClass = reverse ? " reverse" : "",
 		active	= $.mobile.urlHistory.getActive(),
-		touchOverflow = $.support.touchOverflow && $.mobile.touchOverflowEnabled,
-		toScroll = active.lastScroll || ( touchOverflow ? 0 : $.mobile.defaultHomeScroll ),
+		toScroll = active.lastScroll || $.mobile.defaultHomeScroll,
 		screenHeight = $.mobile.getScreenHeight(),
 		viewportClass = "ui-mobile-viewport-transitioning viewport-" + name,
 		maxTransitionOverride = $.mobile.maxTransitionWidth !== false && $( window ).width() > $.mobile.maxTransitionWidth,
@@ -40,23 +39,10 @@ function outInTransitionHandler( name, reverse, $to, $from ) {
 			// Send focus to page as it is now display: block
 			$.mobile.focusPage( $to );
 			
-			if( touchOverflow && toScroll ){
-
-				//set page's scrollTop to remembered distance
-				if( $to.is( ".ui-native-fixed" ) ){
-					$to.find( ".ui-content" ).scrollTop( toScroll );
-				}
-				else{
-					$to.scrollTop( toScroll );
-				}
-			}
-			
 			// Jump to top or prev scroll, sometimes on iOS the page has not rendered yet.
-			if( !touchOverflow ){
-				$to.height( screenHeight + toScroll );
+			$to.height( screenHeight + toScroll );
 				
-				$.mobile.silentScroll( toScroll );
-			}
+			$.mobile.silentScroll( toScroll );
 			
 			$to.addClass( name + " in" + reverseClass );