Why is there no current portable version of LibreOffice?
The current version of LibreOffice is 24.8.0.
https://portableapps.com/apps/office/libreoffice_portable is stuck at version 24.2.3.
And https://www.libreoffice.org/download/portable-versions/ tells:
No Portable Version (MultilingualStandard) is currently available
and