SJ: 'Obsolete' refers to the fact that you can set certain directories to not show in the mod launcher. For example if you had a development Version of the mod you didn't want to show, or if the mod launcher had identified a directory that wasn't really a mod.
It's a convenience field for the auto-detection and filtering system.
Most people should (unless they are evil) set Obsolete to False
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The Unofficial Space Empires 4 Mod Utility V1.7 (Revision 3)
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Download as a .ZIP <
HERE>
Download as a .RAR <
HERE>
Download as a .ACE <
HERE>
Check a Screenshot of it<
HERE>
Check an Alpha Shot of my Mod Editor (Unreleased) <
HERE>