These are not exactly the released versions: I pre-processed them slightly to reduce diff noise,
then ran the spec sources through
to produce a single adoc file for each spec version.
I then used
git diff --patience on the combined adoc file and the XML registry.
As an obligatory note, these diffs aren't an official product of the working group, and they are not normative.
As diffs of the spec components, they carry the same license as those spec components.