Yes, but the missing headings are within the narrowed subtree.

Am Mi., 11. Jan. 2023 um 12:22 Uhr schrieb Ihor Radchenko <
yantar92@posteo.net>:

> Michael Dauer <mick.dauer@gmail.com> writes:
>
> > But within (org-with-wide-buffer) the collapsed branches should be
> visible.
>
> You have `org-narrow-to-subtree' inside `org-with-wide-buffer':
> 1. `org-with-wide-buffer' widens the buffer
> 2. `org-narrow-to-subtree' narrows it to subtree
> 3. `org-element-parse-buffer' gets executed on the narrowed buffer
>
> --
> Ihor Radchenko // yantar92,
> Org mode contributor,
> Learn more about Org mode at <https://orgmode.org/>.
> Support Org development at <https://liberapay.com/org-mode>,
> or support my work at <https://liberapay.com/yantar92>
>