When editing Markdown files in the product (not the SSE), we should be able to provide the live-preview right away instead of switching between the tabs above the editor constantly switching the context. To enable the live preview there is a keyboard shortcut but there should be something on the user interface to enable the toggling of the preview. ## Proposal - Action for toggling should be associated to the editor **Direction:** https://gitlab.com/gitlab-org/gitlab/-/issues/296609/designs/concept-20210105.png ## Related comments - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/47238#note_444545521 - https://gitlab.com/gitlab-org/gitlab/-/issues/293007#note_471788787