3. If you want a sticky pane that does not get replaced even when it's active, ==pin it==.

This is great if you're working on something and want to use the other panes as temporary reference panes. Pin it to make sure it never gets replaced.

Pinned panes will have a highlighted pin icon instead of a grey one.

4. Use ==linked panes== for previewing.

When creating linked panes, Ctrl/Cmd+click the preview or edit button when a Markdown file is open.

When linked to another pane, the panes' scroll position will be synced, and if you open a file in one pane, the other pane will open the same file.

Linked panes will be marked with a link icon. You can hover the link to see which pane it's linked to, or click the icon to release it, so that they are no longer linked.

For more information see linked panes.

5. Panes can be ==rearranged by dragging==.

Grab the icon in the upper left corner to arrange them however you need. For detailed information, see Pane layout.

Useful tips:

1. You can resize the panes however you want, by dragging the resize handle that's between each pane.

2. Your file layout, including their sizes, will be remembered when you close the app, so don't worry about having to set them up every time you open the app!