Scratch 3.0 uses Google's Blockly in their new software, for those curious about the similarities. The tech is widely used in many different applications, as evidenced by Microsoft's use of it in MakeCode.
Though I'm not a part of the team and so can't provide much more information beyond an interested outsider, unfortunately. :)
Though I'm not a part of the team and so can't provide much more information beyond an interested outsider, unfortunately. :)