Hiding resources in resource grid

About some customization of resource grid - my resources list is really extense. It would be really useful if I could hide resources from resource grid, only showing the ones I already allocated in any task of the grid.
Do we have this option?

Hello Diego,
Gantt uses the smart rendering feature for the resource view.
The resources outside the viewport are not rendered:

In the following snippet, you can click on the Change resources button and Gantt will load 567 resources. Then you can compare how it works with more resources:

If you really want to hide the resources without tasks, you can create a parent element and add a function that will check all resources. If a resource doesn’t have any assigned task, it will be moved under the no_tasks parent that can be collapsed.
Here is an example of how it might be implemented: