Portable version and update version unavailable

When I open LibreOffice (x86) portable version, it shows a warning about available updates. And when I click the icon, the box says:

LibreOffice 6.4.4 is available.
The installed version is LibreOffice

But when I click the Download button and get to the site, click on the Portable versions & DVD images link, the next page shows:

LibreOffice 6.4.3 Portable MultilingualStandard <–> LibreOffice 6.4.3 Portable MultilingualAll
LibreOffice 6.3.5 Portable MultilingualStandard <–> LibreOffice 6.3.5 Portable MultilingualAll

No 6.4.4 portable version available. How to get the right portable version?

No 6.4.4 portable version available. Seems an error involving portable and normal versions.

Portable is created by independent PortableApps project. When they release the update, it will become available.

Just try to look directly at a server that hosts downloads, such as: