LaTeX: :rst:dir:versionchanged with contents being a list will cause error during pdf build

[jfbu]

Describe the bug
A clear and concise description of what the bug is.

When trying to build Sphinx pdf doc on 4.x

! LaTeX Error: Something's wrong--perhaps a missing \item.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.26992 ...ged}{Changed in version 4.0.0: }\item {
                                                  }

(line number may not be right because actually got this on a branch adding extra text to latex.rst)

Your project

Sphinx own doc

It is caused by

   .. versionchanged:: 4.0.0

      - The font substitution commands added at ``2.0`` have been moved
        to the ``'fontsubstitution'`` key, as their presence here made
        it complicated for user to customize the value of ``'fontpkg'``.
      - The default font setting has changed: it still uses Times and
        Helvetica clones for serif and sans serif, but via better, more
        complete TeX fonts and associated LaTeX packages.  The
        monospace font has been changed to better match the Times clone.

i.e. a list after versionchanged in latex.rst

Not sure if actually allowed to use a display after versionchanged?

html output fine

• doc: Fix minor mark-up misses up #9132

[jfbu]

Edit: html output is not fine:

[jfbu]

I don't know if feature or bug of domains.changeset.VersionChange() but adding the bug tag anyhow

[tk0miya]

I found the reason of this bug and post a fix as #9333 now.