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Change YouTube leftbar's subscription links to channel/user video page. This script can optionally also move updated links to top of the list (if there's enough space), optionally uncollapse all updated links which may extend the non collapsible links, and optionally display the number of updated & total links following the "SUBSCRIPTION" section label. All features can be enabled/disabled from the script code. For new YouTube layout only.
This script will cause the pull-down work on the https://www.youtube.com/user/*/videos page to not continue
In addition, this update resulted in Mark Watched YouTube Videos
The history of the script has been emptied.