No More HTML in SharePoint Calculated Columns!

Update: Here's a workaround using a workflow: http://techtrainingnotes.blogspot.com/2018/01/adding-html-to-sharepoint-columns-color.html


Just in case you missed it:

“Some users have added HTML markup or script elements to calculated fields. This is an undocumented use of the feature, and we will block the execution of custom markup in calculated fields in SharePoint Online from June 13, 2017 onwards. The June 2017 Public Update (PU) and later PUs will make blocking a configurable option for on-premises use in SharePoint Server 2016 and SharePoint Server 2013.”

https://support.microsoft.com/en-us/help/4032106/handling-html-markup-in-sharepoint-calculated-fields

So, no more of this:
  
Or this:
    =REPT("<img src='http://yourPath/yourImage.GIF' style='border-style:none'/>",[Value])