I’ve been able to do this previously in Elementor by just adding the image in, and I’ve spent a lot of time to try and figure where I’m going wrong in Bricks.
Ah, you’ve added the image as a background to the slide (sorry hadn’t noticed that). Adding it as a background won’t make the image size correctly. Remove it as a background and then add an image element to the slide and then pick your image. You can then set the image object-fit to cover, the height and width of the image to 100%, flex grow to 1 (for safari) and the slider height to auto and it should work.
I’m glad it was something silly on my side and not a bug.
I couldn’t get it to 100% work using the instructions you gave, but I got a full-width slider with some scaling quality loss, but I’m glad I’ve got something of a solution.
I’ll leave what I did here, in case it helps someone like me out
I did the following:
Added in the Slider Nestable
Added the Image element
Added my image under content, and changed the quality to ‘Full’
Toggled ‘stretch’
Under Slider (Nestable), set the Height to 100%
And now it’s full width (although it is scaled up, so loses a bit of quality).