release.ent:
- Update versions, and switch from 'snapshot' to 'release'.
errata/article.xml:
- Prune stale entries from 11.0-RELEASE.
- Bump copyright date.
relnotes/article.xml:
- Remove several empty sections.
readme/article.xml:
- Fix a malformed URL.
Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation