Number field value 0 is blank when editing entry

[seankarol]

Do You Need Immediate Help?

No

Is This A Feature Request?

No

What Version Of Caldera Forms, WordPress and PHP Are You Using?

WordPress Version: 4.9.1PHP Version: 7.1.12MySQL Version: 5.6.37Caldera Forms Version: 1.5.8.2WP_DEBUG:

Does Your Issue Persist When You Disable All Other Plugins and Switch To The Default Theme?

Yes

What Is The Unexpected Behaviour?

What I did:
Create a form with a required number field. Submit an entry with a value 0 in the number field. View entry, edit entry, save.

What expected to happen:
When editing the entry the number field retains the 0 value.

What happened instead:
When editing the entry the number field value is blank, requiring a value to be entered before saving.

Number2 value is 0 when viewing an entry:

Now Number2 value is blank when editing the same entry, requiring a number to be entered before saving:

What PHP Errors Have You Logged While Reproducing This Bug?

None

What JavaScript Errors Have You Seen While Reproducing This Bug?

None

[wouterke]

I have the same issue with toggle switch fields. See below editing an entry that had values for the 3 toggle switches. Seems to be a problem with numbers, since the "yes/no" toggle switch at the bottom is correctly prefilled.

My debug information:

WordPress Version: 4.9.4PHP Version: 7.2.2MySQL Version: 10.1.28Caldera Forms Version: 1.5.9.1WP_DEBUG: