Errors in Chrome browser (including search app) that cause images to not load

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I use Impulse theme and there's pretty strange issue. Images which should be lazy loaded are not loading in chrome based browsers. I guess Shopify's cache is guilty causing this issue because it can be detected on a new devices only. When I copy the theme and publish it - new devices starts to load the site properly. The issue is js errors which can be detected only on real mobile devices just reached the site and using chrome browser or the google search app. For some reason after switching the theme  to the instance with the same code devices which early had the issue are loading the site  in a proper way. 

I just need an explanation on this from Shopify Support because I'm loosing a lot of traffic.. but if anyone knows what can be a source of the issue and how to solve it - I'll appreciate your help.