6.2.X EE, 7.0.0 DXP SP1, Master
This issue looks like it was caused by commit: https://github.com/liferay/liferay-portal/commit/38e65ac29c7020bb41231d663c08c4a64df5684c
- Create a structure and template with a date field.
- Create a new web content article from the structure and template.
- Null out the date field input values by either deleting the values or selecting the disabled checkbox
- Save the article.
- Edit the article.
Date should be blank
Date is populated with today's date