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ArcGIS Pro script tool editor opens in new instance

Question asked by curtvprice Champion on Jul 14, 2020
Latest reply on Jul 16, 2020 by ndingus-esristaff

In ArcMap when I set the Python script editor to Notepad++ (C:\Program Files (x86)\Notepad++\notepad++.exe) and open a script tool from a toolbox in Catalog with right click > edit, the currently open notepad++ opens a new tab in the existing notepad++ instance.


script editor started from arcmap


HOWEVER, in Pro 2.5, Pro opens a new instance instead of using the existing one.

Note the two instances of Notepad++ below (two windows):


script editor launched from Pro


Not such a big deal for notepad++ because it launches so fast, but I really like Wing and it's really slow if I have to launch it each time I edit.


Is this because my Notepad++ is 32 bit?  Or is this symptom of the multi threaded nature of Pro?


Update Submitted to support Esri Case #02595592 - ArcGIS Pro editor opens in new instance