This issue finally seems to have been resolved, so I am unsubscribing from the thread.
I think you might be confused. There is no issue with Dropbox changing file metadata as you suggest above. The problem is this...
I create a text file called stuff.txt on Monday and save to DB.
I modify stuff.txt on Tueday and add or remove info.
I realize on Wednesday that the changes I made Tuesday are not right. I access the Dropbox web page for the folder where stuff.txt is located, and look at the previous versions for stuff.txt.
I choose the RESTORE function and want Monday's version.
Before Dropbox made this horrible change, I could access my local drive's folder and see stuff.txt has a "last modified date" set to Monday.
As it is now, if you do the steps above, the "last modified date" of for stuff.txt says Wednesday.
To be clear...
The problem is NOT that if you sync a DB folder to your local Dropbox folder that DB changes the modify date.
I suspect you may be viewing photos in a viewer where you are changing rotation or something and by doing so, you are in fact "modifying" the file and should expect the file's "last modified date" to change to the time when you made the edit on your PC.
Just to be clear, what I am referring to is what you just described. As of last week (and just tested it again today), when I restore a file to an earlier version via the Version History page, it now restores the Modified timestamp back to the original timestamp. It no longer updates that timestamp to the current time. I haven't tested any other scenarios, but this is what my issue was, and it's been fixed for me. Hopefully the other issues are being fixed as well.
Just tried it. The creation date and access date are still corrupted.
The modification date is, indeed, the original one!
Baby steps, but we are getting there. Now I hope the rest of the files' propierties are adecuately restored as before, too (eventually). And... please.
Never in a million years do somthing like this again, Dropbox.
To Dropbox. I really don't care about the modification or viewed dates. Created Date is the number one most important date to retain when restoring a file. Everything else pales in comparison.
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Solved! : See solution