The Gigapixel changelog stops at 4.5.0 on 2020/4/10. The current version is 5.5.2.
The change logs are up to date in the Product Release section on this forum.
The change log linked to on the download page isn’t updated:
Read what I said, it points you to the updated changelogs.
Read what I said. Topaz is the one that has a link to an old change log on their own page. Do you really think that all potential buyers and users somehow through mental telepathy or some other supernatural way know to ignore the link to the change log on the Topaz page and instead go searching for an alternate change log on this forum? Jeez.