Editora 0.20.0. Archived, so links from that release keep working. Read the 0.24.0 page →
Preview: Copy as HTML
preview.copyHtml Copy the rendered Markdown preview to the clipboard as HTML markup.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Preview: Copy as HTML, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.