Updating to v5.3 opacity issue with "navbar-bg"

When updating my App to v5.3 and adding <div class="navbar-bg"></div> to the navbar as per Docs, I get a opacity issue in my navbar related to navbar-bg

Here are the pre and post screenshots:

Solution to this issue?

Updating from what version?

I was updating from v4.52

Check https://blog.framework7.io/framework7-v5-679176716faa and especially iOS Translucent Bars & Modals section