I would imagine that the fact that the file size has varied over the past seven months, is of no consequence whatsoever.
Well, the executable files are clearly
different.
The possible significance is in the fact that the file size is different for two "identical"
Beta10d MarineAquarium3.scr files - since they both identify themselves as Version 10d.
As you will recall, there were cases with MA2 where files with the same file name had behavior that was different in important ways. For example
https://www.feldoncentral.com/forums...8075#post68075 ... the only way to easily tell which file was being used, was by the file size.