FYI,
release notes for patch 1 and 2 were also available from the download section.
release notes for patch 3 can only be found in the documentation portion of the support website.
download section named these 6.2.0 patch 1 and patch 2 (not 6.2.1 and 6.2.2)
documentation setting names it 6.2.3 (not patch 3)