At a Legislative Council panel meeting on Monday, Sit said the bureau is currently improving the LeaveHomeSafe app. Previously, the app required users to hold their devices up to a QR code to record their visit. After the update is rolled out, the app will be able to automatically check-in when users enter or exit premises that require a digital record – such as shopping malls and restaurants. In response to lawmaker Peter Koon Ho-ming's question as to whether real-name registration will be required on the LeaveHomeSafe app, Sit said the "vaccine pass" to launch on February 24 will serve…