Wahlberg

• The Write and Preview tabs have slightly less rounded top corners, so they sit inside the field’s own corner rather than matching it.
• The Markdown guide button uses a plain question mark rather than one in a circle.
• The Markdown guide button is now off by default, alongside the numbered headings. Fields already saved keep it.
• Removed the Task list button, and the task list row from the Markdown guide.

First public release.

• Markdown field with a Write tab, a server-rendered Preview tab, and a formatting toolbar
• Markdown syntax highlighting in the Write tab, without giving up the plain textarea
• Craft reference tags resolved on output, and left alone inside code
• HTML Purifier on the parsed output by default, with per-field config files, plus an Encode HTML option for fields that shouldn’t take markup at all
• Entry and asset pickers that write reference tags, so links survive a slug change or a replaced file
• Snippets: blocks of Markdown defined in config/wahlberg.php, dropped in from the toolbar or with ⌘⇧K, which opens the list at the caret
• Per-field control over the flavour, toolbar buttons, sizing, placeholder, character or byte limit, and counts
• The editor is usable outside the field type, from Twig or PHP
• GraphQL support

See the README for the whole of it.