Thank you for your post.
Our Development and Testing departments are aware of this issue. I have attached your post to the original report, so when any update becomes available, I will let you know.
The most recent report of this on the forum can be found at:
This link also provides an alternative that you may want to consider.
This issue has been fixed in FileMaker Go 14.0.1. There is now an option to insert the current date.