Multiselect in cell of spreadsheet should have to be displayed like normal multiselect with checkbox

Webix JS
#1

https://snippet.webix.com/5wp9q8eb

#2

Hello,

Yes, multiselect editor is a popup list of predefined values (without checkboxes) with a multiple choice ability. If you want to add checkboxes to the popup list you need to create custom editor
Please check the sample: https://snippet.webix.com/yqeptcrw

#3

We are using webix version 5.3. CSS is not supported for these version. Please check it for webix version 5.3