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Under Layer Ctrl, the status tab (light blue sheet of paper icon), highlights as light blue (in use), regardless of whether or not its in use. The only way I can force a refresh is deleting / attempting to delete a layer (eg. del '0' which obviously dosen't work); but forces an update, where those in use remain light blue, and those not in use revert to white/grey.
Can anyone shed any light on how I can fix this quirk of not updating/refreshing when the Layer Ctrl is opened.