I just responded to the notification and upgraded Desktop from 3.1 to 3.2. While there are many added features, I did not expect the level of changes since this appeared to be a minor dot release. I'd recommend making significant changes more apparent BEFORE upgrades in the future.
The attached app worked fine yesterday and today in 3.1. The attached file shows 3 errors that appear in quick succession when opening the Data Manger or the Data Load Editor after the upgrade. After the errors, the menu options are alternately toggled inactive. That is after a failure in Data Manger it is greyed out but Data Load Editor is available. Trying that results in same errors but then Data Manger is available again. Two excel files were used and just linked in one way yesterday on a trial basis.The app sheets themselves work but there seems to be no way to get to the data itself.