Longoverdue is a script inspired by overdue that looks for running processes that reference deleted binary file handles and notifies you about them. It allows you to easily restart all affected systemd services in one go.
Usage: longoverdue [OPTIONS] COMMAND [ARGS]...
Manage running services that need updating
Options:
--help Show this message and exit.
Commands:
info Get details on a process
list List running outdated processes
restart Restart outdated services
There is an AUR package. It provides a post-transaction hook for pacman to notify you whenever you upgrade packages.