This event is signalled by runTrimRecentChanges() in inc/TaskRunner.php when the TaskRunner trims the list of recent changes, handlers can use it to modify the list or perform other actions.

• $event->data['isMedia']: true if these are media changes, false if these are page changes
• $event->data['trimmedChangelogLines']: array of the remaining lines of the changelog
• $event->data['removedChangelogLines']: array of the lines that have been removed from the changelog

• Code related to this event used in any DokuWiki's files, plugins and templates
• Action Plugins
• Events
• Trimming recent changes is one of tasks triggered by INDEXER_TASKS_RUN
• Implemented by 2389