Wacky Version Problems with RoboJogger/RoboRunner

Forgot how slow this can go.  :-/  I've been trying all day to record some new statistics using the Robocode means for saving file to disk, but I'm getting really bizarre version issues.  I've been updating my robot version with each change -- 12.8.1, then 12.8.2, then 12.8.3.  Each time I clear robot cache, package the new version, clear the old stats file that was saved from the prior version (as in, physically delete it, so I know the old stats are gone), and then run a new challenge with the new version.  However, I keep getting garbage from older versions coming out in the results.  Sometimes mixed, like it's randomly running different versions.

I've started trying to record the version information to the stats file each battle.  I keep seeing this in the saved information:

Old: xander.cat.XanderCat 12.8.1*; New: xander.cat.XanderCat 12.8.7.

What that means, is it thinks the last battle was run with 12.8.1*, even though the entire challenge was run with 12.8.7.  And that may actually be sort of true, because I'm getting some info in the stats file that I removed around version 12.8.4 but it shows up again, like it ran an older version for one or more of the prior battles.

At the moment, I'm totally confused by it.  I'm not even sure how to debug it further at the moment.