See also: T153959: The keyboard shortcut for previewing a page (ctrl-option-p) doesn't do anything on some browsers, T153958: In Firefox: using the keyboard shortcut to open the preview breaks, T153937: LOST WORK BUG: If you use the shortcut keyboard command to preview, you lose all your changes. - which seem to imply we have a shortcut for this already

We have a shortcut in the old wikitext editor (Alt+Shift+P used to work for me) but no shortcut work in the new editor. Maybe this is a duplicity of tasks you mentioned?

We do have a shortcut. It *should* be the same as the shortcut in the old editor, but the logic for accesskeys is a big pile of platform and browser version checks, so I can't guarantee that's actually true.

If you open the help dialog you'll see the shortcut, labeled "show preview":

Since this ticket was filed, I fixed some of the accesskey logic in 3580929e36e99973a6cde9afa2ebae9c087f7ce6. However, since you mention alt+shift I can narrow you down to non-mac Firefox/Chrome, so I don't think that'll affect you.

If you're still not seeing it work, could you reply with your browser/platform and what the help dialog says the shortcut should be?

I don't use Mac but I was using Alt+Shift. I'll test it in half an hour, I'm at mobile phone.

Ping on this – if you're running into this problem still we want to fix it. :-)

A possible cause is that the preview shortcut does not work until you make some changes to the text.