This idea has been merged into another idea. To comment or vote on this idea, please visit APP-I-3273 Roadmap: Live update the gantt/timeline chart when dates are edited in the detail pane.
It's very odd - but a lot of changes to parts of the roadmap or release details does not refresh the contents. Often times I change phase dates and have to reload the page. I feel there are several parts that after I change them, the page does not reflect the changes until I manually refresh the page.