[8.16] 8.16.2 release notes (backport #6290)

[mergify]

Fixes #6289, and updates the known issues descriptions for an exceptions bug (#201820) that was release-noted for 8.16.0 and 8.16.1.

Previews:

• 8.16.2 release notes - New section
• 8.16.1 - Updated known issues descriptions for exceptions bug
• 8.16.0 - Same as above

  ---

  This is an automatic backport of pull request 8.16.2 release notes #6290 done by Mergify.

[mergify]

Cherry-pick of b72efc1 has failed:

On branch mergify/bp/8.16/pr-6290
Your branch is up to date with 'origin/8.16'.

You are currently cherry-picking commit b72efc18.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/release-notes/8.16.asciidoc

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   docs/release-notes.asciidoc

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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