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FYI -- I'm adding a new little feature to the next release. For each challenge run, you will be able to add a note/description of what the challenge run is for. This is something I will definitely use and I hope some of you might find it useful as well. It will be an extra column on the main window, but I will probably add a way to show/hide various columns.

Great idea! I always have a scratch pad open with a short description and overall score for each dev version.