releaseVersion and applicableReleaseVersions types should include "4" as possible value
In TS-0004 v4.9.0 table 6.3.3-1, releaseVersion and applicableReleaseVersions types should include "4" as a possible value.
A proposal to include a comment that says something like:
releaseVersion - Available releases since this release backwards till 2a applicableReleaseVersions - All available releases since this release backwards
That will eliminate the same mistake in the future.