Programatically triggering validation does not render error state of the fields

[litzebauer]

Prerequisites

• I have read the documentation;
• In the case of a bug report, I understand that providing a SSCCE example is tremendously useful to the maintainers.
• Ideally, I'm providing a sample JSFiddle or a shared playground link demonstrating the issue.

Description

When I called Form#validate I get back the errors but the fields themselves are not showing the error messages. Is that the expected behavior? If so, how can I programmatically trigger validation that will have the form fields show the error state?

[heath-freenome]

Fixed in the v5 beta.9