U4-8533 - Performance issue with Overflow:hidden with plenty items within .umb-control

Created by Kamil Jakubczak 30 May 2016, 10:19:52 Updated by Sebastiaan Janssen 13 Mar 2018, 22:35:28

Tags: PR

What did you do? Added a list of items within .umb-control

What did you expect to happen? Performance should be

What actually happened? Performance decreased greatly. THe reason for that is Overflow:hidden in .umb-grid .umb-contro.

The performance from regular 6-10ms for update tree layer (in Chrome Dev Tools) increased to 240ms per update (with 500 items on the page).


Sebastiaan Janssen 13 Mar 2018, 22:35:15

PR: https://github.com/umbraco/Umbraco-CMS/pull/1306

Priority: Normal

Type: Bug

State: Fixed


Difficulty: Normal


Backwards Compatible: True

Fix Submitted:

Affected versions:

Due in version: 7.9.3


Story Points: