1. Fade in / fade out.
I've read apparently this existed in previous versions but doesn't now.
I think it would remain nicely consistent with MacOS design language to keep this feature available
2. Background fade
Related to the first suggestion, and option to also fade the background would be brilliant. The dashboard (is that what it's called?) already does this beautifully, and also fades other windows so that the desktop can be seen. Here is an example; imagine that with the Alfred window.
https://photos.app.goo.gl/cJWxmi8WsIH0s3No1
3. Squa