I can confirm this. I'm trying to do a manual upgrade from 8.4.5 to 8.5.2. After running the upgrade script, it is still showing 8.4.5 as the current version, although everything seems to run fine after having replaced the core /concrete folder with the 8.5.2 version.
concrete5 Environment Information
Browser User-Agent String
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36
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