When I leave Photoshop and return to it, pressure sensitivity stops working. The only way I can get the pressure sensitivity working is to click somewhere with the mouse. The brushes panel preview shows the tapered stroke, but it doesn't work correctly when I draw on the canvas. Now that I'm experimenting, trying to re-create the conditions that make pressure sensitivity stop working, it seems that I can move between applications with the Wacom pen and click in various places. When I return to Photoshop then, the sensitivity works with the pen and I don't need to click the mouse. However, when I use the Bluetooth Apple keyboard in another application, like e-mail, pressure sensitivity stops working in Photoshop and I need to click the mouse to get it to return. Like I said before, this has been a chronic problem for me across multiple versions of Mac operating systems and multiple versions of Photoshop. Previously the sensitivity loss was less frequent (still associated with leaving and returning to Photoshop), but now it happens every time. Thanks.
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