Xcode 11 add new constraints set zero: use set value instead of default / standard

Question

I used to use autolayout add new constraints to make simple constraints to superview / relative view like this (for loooong time):

However, recently after upda

Answer 1

Seems like a bug (don't forget to file with Apple). Here's a simple workaround:

When you fill in the number in the "popover", instead of typing 0, type 0.01. This will prevent the number from changing mysteriously to "Standard". Okay, so 0.01 is not the same as 0 but it's close enough that you can't tell the difference, and at least you don't have to go back and change it later.

EDIT Apple says that this bug will be fixed in Xcode 11.4:

Fixed a bug that prevented entering a 0 constant in the constraint popup editors. (54076090)