Currently you can manually build movie playlist. If you happen to replace a movie in that playlist, it removes it from the playlist. You then have to manually add it back in. The same said move still keeps its watch status and current position if you watched some of the movie. The leads me to think …

Better Playlist building

tom80H Closed June 8, 2021, 11:30pm 4

Early 2021 clean-up: duplicate

Topic		Replies	Views
To which playlist is the file already added Feature Suggestions	2	151	July 12, 2021
Keep media in Playlist when file changes Feature Suggestions playlists	2	155	March 11, 2020
Custom and importable lists with played, not played tracking Feature Suggestions	4	113	October 30, 2022
Playlist needs updates Plex Features playlists	3	95	June 24, 2019
Moving file from one Library to Another breaks Playlists Desktops & Laptops server-windows	2	216	December 5, 2018