Since InLoox 11.14 (September 2024), a timeline is available in the project planning above the Gantt diagramm. You can pin any activity, summary activity and milestone from your Gantt-chart to the timeline. This helps you visualize the most important phases or milestones in your project. The timeline feature is available in projects as well as in the project list as a multi-project timeline view. For more info on the timeline in the project list, please read this help article.