Could you share a repro case allowing to reproduce that issue?Thanks
This behavior can't be customized.The progress bar counts the responses from the server. If you have only one dynamic layer and one feature layer, only 2 web responses are expected so the progress values can only be 0%, 50% and 100%.When there is a TileLayer in the map, the number of expected responses is greater (one by tile) and so the progress bar is more progressive.
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