With version 2026.1.4.125 the behavior of links in reports and datagrids had been changed.
"Standardized functionality of Calculated column of the Link type. From now on, formatting that encompasses "on click" will function solely for Report form fields. For instance: link:www.google.com;displayname:GOOGLE;onclick:javascript:action This type of formatting does not function for Data table form fields and instead "JavaScript" formatting should be utilized, which is applicable across every available form field. For example: link:javascript:action;displayname:GOOGLE;"
I would appreciate if the "JavaScript" formatting would be also effective for the hyperlink column of an itemlist.