This userscript automatically prepends the channel name and the video duration to the video titles in the subscription feed.
The new video title enables you to immediately identify channel, duration and title at a single glance after adding the video to your favorites / bookmark collection by dragging & dropping it via its video title, no editing or other adjustments after the fact required.
This userscript is released under the GPLv3 license.
See also the list of contributors.
The official project repository with the issue tracker can be found on GitHub.