As with Firefox and Thunderbird, I get LibreOffice current production 
from the application site, not from a distro or repo (this is not 
possible for those applications, such as Calibre, that are not 
compatible with SL 7 current production).  I just installed LibreOffice 
6.4.3.2 , current production, using the tar.gz of the RPMs.  It seems to 
work fine -- however, I traditionally have kept several older production 
versions just in case (Murphy's Law, O'Tooles corollary/commentary, 
"belt and suspenders").  For Firefox and Thunderbird, I keep three 
versions (but only use production current except for failure of 
current):  distro install, base install, and current (current allows 
updating in place as root). For LibreOffice, I have more but I would 
like to save space, not archive, but simply remove.   For those who use 
LibreOffice and who keep LibreOffice application site current 
production, is there any reason (feature, import or export conversion, 
including LaTeX export) to retain older production releases of 
LibreOffice (I have one 4.x production version)?

Stay safe.  Take care.

Yasha Karant