I write this after several months of using Docsify. This is an excellent tool and something I use on a daily basis. I totally love it, but there is a few small issues that do need polishing:

When making templates, the tempalte doesn't actually save exactly the way you type it. It removes extra line breaks, which are important on chapter changes. So I need to type them every time again, but still, having any template does save time.

Also, when adding attachments, they go to any random location in the email. In this app, the attachments go as links in to the email content area, but the location is impossibly to set. When dragging or selecting a file to be attached, it is NOT attached to where the keyboard/text selector is and it does not go where the mouse cursor is. Instead, it goes where-ever it wants to. And, you can't move that link, so you need to cut-paste your text around the link to reposition the link. This is a really, really annoying thing and it has stopped me using that particular feature.

Still, while its not perfect, its really great!