Content is edited using Markdown (CommonMark) with a few extensions and a preview tab. The content editor supports :emoji: type emojis like 🚙 as well as traditional "smileys" like :-) 🙂
Also see Typography
Links
tinymash supports internal links and external links
Images
There's also support for images, albeit somewhat basic depending on what you're used to. A featured image can be attached, which can be used on "blogroll" listings, OG data, etc.
Here's a DMARCREPORT dashboard for example:
