mix-blend-mode has been added to our backlog – https://dev.modern.ie/platform/status/mixblendmode/
CSS Masking is in development.
The status for conic gradients can be tracked at https://dev.modern.ie/platform/status/conicgradients/
background-blend-mode has been added to our backlog – https://dev.modern.ie/platform/status/backgroundblendmode/
The dialog element is now on the backlog with a priority of medium. You can track status changes at https://dev.modern.ie/platform/status/dialogelementformodals/