The WMDA data-upload production is now with XSD 2.2 3 supported from 16 Dec 2019 13 Feb 2020 

Till Nov, 2020, as there are only 40% of organization moved to XSD 2.2, WMDA data-upload decide to keep support XSD 2.1 till 31st, Oct, 2021,October.

Organizations can upgrade to XSD 2.2 as planned which will now be supported till 31st, Oct, 2022, October, or plan to update to XSD 2.3 after Q1, 2021directly with changes from both XSD 2.2 and XSD 2.3.