The community Taskforce initiative has now come to a close. Thanks to everyone who made thoughtful and genuine contributions to the website. All submissions will be kept publically available for the forseeable future for reference purposes.
This website is part of the community Taskforce initiative
The corners over a white/light background look horrid when the window is in focus.
Somehow some apps do not have that issue.
The screenshot shows safari, but I've had the same "glitch" with Preview, System Preferences, Mail, and so on.