Security fixes go into the latest release only.

Rectangle Ultra needs the macOS Accessibility permission to move and resize windows. It runs locally. It has no auto-updater, no telemetry and no account, and it does not collect or send window layouts, keystrokes or personal data.

Please do not open a public issue for a security problem.

Use GitHub's private vulnerability reporting: open the Security tab of this repository and choose Report a vulnerability. Include what the issue is and its impact, steps to reproduce it, and your Rectangle Ultra and macOS versions.

This is a small project maintained in spare time. Expect a first reply within about a week.