Filter for project in Gantt view

Hi,

it would be great if the project filtering available in table view (where it is possible to select if to filter for activities or projects), would be available also in the Gantt view. In truth the filter is available but it doesn't work 😵

My need is to see the Gantt of all projects that i have to coordinates, so i can plan in a better way the timing of the new incoming projects.
Thank you