Today we've dropped support for Internet Explorer. If you're using IE with Timetastic. Now is the time to use Firefox, Brave, Safari, Chrome or Edge instead.

This change will allow us to deliver better features faster and more reliably while shrinking the amount of code we have to send down to everyone. The case for IE has been made by people better than I can explain here, so I'll defer to those posts for more detail:

Microsoft's post on IE Support

CSS Tricks on Dropping Internet Explorer