Thanks for your feedback and your tests.
updatesMinimumDate is updated from line 2286 of HomeController class to the next 23:59:59 GMT time of the day. I programmed it that way to ignore the updates of the day at next launch, if the user doesn't want to check updates. Finally, it's not such a good idea since I authorized to set a time in the XML updates file and the user could then miss some updates that arrived later during that day. I'm going to change that...
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Emmanuel Puybaret, Sweet Home 3D creator
