Preview in edit mode: iframe reset to top when changing size

Found in

EPiServer.CMS.UI 11.21.4

Fixed in

EPiServer.CMS.UI 11.21.7

Created

Aug 26, 2019

Updated

Sep 20, 2019

Area

CMS UI

State

Closed, Fixed and tested

Description

In preview, if you change the height of the page by folding/unfolding something, the preview iframe resets to the top.

Steps to reproduce:

  1. Use an Alloy demo kit.
  2. Update the View for the StandardPage.
  3. In edit mode, go to the Preview of a Standard Page.
  4. Fold and unfold the div by clicking the button with text "Try it".

Expected:
Stays at the same div/area.

Actual:
Goes to the top of the preview page.