Package: gnomeSeverity: minorHello.After I have upgraded my software , I found that those self-designed shortcuts are not working! The same to some system shortcuts I changed due to custom! For example, I change "Save a screenshot to Picture" shortcut to Ctrl+Shift+PrintScreen!But for the system shortcuts , Alt+Ctrl+Up/Down can still work! -- System Information:Debian Release: stretch/sidAPT prefers testing-proposed-updatesAPT policy: (500, 'testing-proposed-updates'), (500, 'testing')Architecture: amd64 (x86_64)Foreign Architectures: i386Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)Shell: /bin/sh linked to /bin/dashInit: systemd (via /run/systemd/system)