I confirm. Same bug only on Elementary OS. Tried with Juno packages as well, same behavior: my application window works well but it has an additional "frame" with a trasparent background between the real window and the additional one.
See the screenshot.
I confirm. Same bug only on Elementary OS. Tried with Juno packages as well, same behavior: my application window works well but it has an additional "frame" with a trasparent background between the real window and the additional one.
See the screenshot.