I am using Sydney 1.74 on WordPress 5.4 and all of a sudden the header images are not showing on my site when viewing on a mobile device. The homepage header images show but they don’t show on any of the internal pages. My theme is up-to-date. I am holding off on the WordPress update until they have resolved some of the issues with the upgrade. The url is https://harmonicmotion.org
I have even tried a couple of custom header plugins and still, no header images on internal pages on mobile devices. Hope someone has a fix for this. Looking forward to a response. Have a wonderful day and thank you in advance!