Sculpting wizard Pablo Dobarro is never away from the Blender Development news cycle for too long, and here he is back at it again with his new Dyntopo Detail Size Edit operator.
This new operator works similarly to the "Voxel Size Edit" operator for the voxel remesher, where it allows for the editing of the size of constant detail mode in dyntopo. It also has a live preview of the detail size/"resolution", just like its voxelized sibling. The operator is set to Shift+D, replacing the previous way of changing the constant detail size.
The Operator also includes a sample mode activate by pressing CTRL, allowing it to take the resolution of the surface under the cursor, as shown in the video below: