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Angular Dropdown Tree v20.3.56 Performance Issue

Same issue here: https://www.syncfusion.com/forums/167371/performance-of-dropdown-tree

I have create a SlackBlitz sample.

https://stackblitz.com/edit/angular-xpagik?file=src/app/app.component.ts

With as little as 500 elements, allowing a user to "Select All" and "Unselect All" causes the browser to lock up for a period of time.


1 Reply

IL Indhumathy Loganathan Syncfusion Team February 27, 2023 01:38 PM UTC

Hi Dennis,


In the 20.4.49 version, we have improved the performance-related issues while performing Select All/Unselect All operations on the Dropdown Tree component. Check out the release notes below.


https://ej2.syncfusion.com/angular/documentation/release-notes/20.4.49/?type=all#dropdown-tree


As a result, we recommend that you update the packages once to the most recent version. For your reference, we have attached a sample.


https://stackblitz.com/edit/angular-dpuyeg?file=src%2Fapp%2Fapp.component.ts


If the issue still persists, share with us the exact steps you have followed to replicate the issue, as well as a sample. Check out the shared sample and get back to us if you need any further assistance.


Regards,

Indhumathy L


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