commit 3d44442331ba6f1ba7a5d5ad9f3834993911e288
Author: Allan Sandfeld Jensen <allan.jensen@qt.io>
Date:   Tue Nov 27 13:42:11 2018 +0100

    Fix scroll position after resize
    
    We didn't update the position if it ended up with an invalid value.
    
    Fixes: QTBUG-63437
    Change-Id: Idc4d3b0cb43fd63bdb0ff10b4162dfabe49455df
    Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

diff --git b/src/controls/Private/ScrollViewHelper.qml a/src/controls/Private/ScrollViewHelper.qml
index 4f1d59f0..53050108 100644
--- b/src/controls/Private/ScrollViewHelper.qml
+++ a/src/controls/Private/ScrollViewHelper.qml
@@ -78,8 +78,6 @@ Item {
             scrollHelper.availableWidth = viewport.width
             scrollHelper.availableHeight = viewport.height
             blockUpdates = false;
-            hscrollbar.valueChanged();
-            vscrollbar.valueChanged();
         }
     }
 
@@ -135,11 +133,8 @@ Item {
         anchors.leftMargin:  leftMargin
         anchors.bottomMargin: bottomMargin
         onScrollAmountChanged: {
-            var scrollableAmount = scrollable ? scrollAmount : 0
             if (flickableItem && (flickableItem.atXBeginning || flickableItem.atXEnd)) {
-                value = Math.min(scrollableAmount, flickableItem.contentX - flickableItem.originX);
-            } else if (value > scrollableAmount) {
-                value = scrollableAmount;
+                value = flickableItem.contentX - flickableItem.originX
             }
         }
         onValueChanged: {