Changelog: misc updates for S
Misc updates to the protocol changelog.
Explanations on aggregates and companion keys will be needed, either in the changelog itself or in doc pages with links in the changelog, but this is out of the scope of this MR.
Misc updates to the protocol changelog.
Explanations on aggregates and companion keys will be needed, either in the changelog itself or in doc pages with links in the changelog, but this is out of the scope of this MR.