I would like to install LibO 6.4 to use one of its new features, but would like to keep my 6.3 version in case any of the bugs in it hits me. But I noticed in How do I get rid of an older version of Libre Office that keeps interfering with my newer version? that there may be problems.
Are there any issues in having both versions on the machine. I probably won’t want to run them at the same time, except possibly by accident.