Shutter 4.6 has been released.
Summary of changes:
Implemented the "Restart Apps" feature for Shutdown and Reboot actions.
Implemented a modern and lightweight mechanism for monitoring CPU usage.
Expand environment variables in parameters of events and actions.
Improved the identification of the system language and the options for overriding it.
Updated language files: Russian, French, Italian, Corsican.
See the full changelog between v4.5 and v4.6 for more details.