Editora 0.10.0. Archived, so links from that release keep working. Read the 0.18.5 page →
View: Toggle Markdown Lint
view.toggleMarkdownLint Turn Markdown linting (squiggles + the tool window) on or off.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for View: Toggle Markdown Lint, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.