Generate blank page with just new angular application http://localhost:4200

[kpmca79]

wkhtmltopdf version(s) affected: 0.12.6

OS information
Windows 7

Description
Generates blank PDF files for angular application (http://localhost:4200)

How to reproduce
Step 1. I have created new angular application.
Step 2. Start the application
Step 3. Open application in browser : http://localhost:4200, that gives me default angular page
Step 4. Try to generate PDF file of that page with command
wkhtmltopdf http://localhost:4200 test.pdf
It gives message done
Step5: Open test.pdf its blank

Expected behavior
It should generate pdf file with default angular page.

Possible Solution

[leehowarth]

We are having a similar issue to this currently. Is there a known root cause and / or fix?

[mateusfmello]

I am also having this problem, I detailed my case at #5293