Consider submitting bug reports or feature requests for Notepad to Microsoft with Windows' built-in Feedback Hub. For bugs, your reported reproduction steps and

Consider submitting bug reports or feature requests for Notepad to Microsoft with Windows' built-in Feedback Hub. For bugs, your reported reproduction steps and the diagnostic logs collected by Feedback Hub are often actionable without you having to debug Notepad yourself (as this person had to do). You can increase the visibility of a Feedback Hub item by sharing a link to it on your blog, on Twitter, or wherever.