UPDATED: Refresh Smart Playlists v4.3
This script will "batch-refresh" the selected user-created Smart Playlists by removing the tracks they contain (if possible*) which obliges them to dynamically re-populate, ostensibly with different tracks.
*Note that tracks cannot be removed from a Smart Playlist which already contains every track of the library meeting its criteria--it would just re-populate with the same tracks. Smart Playlists with the "Limit to" and "Live updating" criteria in use are more likely to be "refreshable".
- Maintenance and minor performance fixes
- Accommodations for macOS 13 Ventura
More information for Refresh Smart Playlists v4.3 and download link is here.