Transparent blurred background to Canvas

Question

No idea how to create transparent blurred background to canvas without bluring the canvas childrens too.

This is the result I want - Blur the background

Answer 1

You can use the fact that items inside a grid are layout on on top of the other:

where "texture-7.jpg" is some image of a texture. if you also want it to be transparent simply set the opacity property of the Image