I have a copy of my key.pem file in the {Documents}/Arduino directory. When I start the arduino IDE, it shows the sketchbook location as that directory. I am using vscode, so I don't know if it's using the same builder.
About a year ago I did whatever I needed to do to get .ehex files to be generated. I have been doing this for about a year and have released several versions of my firmware in .ehex format.
Yesterday I was cleaning up some of my directories and I...