Short description of issue the …/compiled_assets/style.css file that is generated by Shopify in my theme randomly changes to code that has nothing to do with my theme. Reproduction steps I have created a custom theme using Shopify’s relatively new theme blocks. To organize my code and to take advan…

Hey all, thanks for reporting this. The issue should be resolved now. Let me know if you do see any changes though.

Am noticing this issue too. Have been trouble shooting issues all day that have randomly fix themselves only for new different ones to arise an hour later

@KyleG-Shopify On the one hand, thank you so much for fixing the issue. You are a rock star. On the other hand, the Shopify Support team needs to STOP completely walking away from developers who are custom developing themes and applications. I cannot count how many times I have clearly identified is…

Hey @Jeff_Nelon , glad it’s working! No need to apologize, this feedback is valuable and I’m passing it along. Regarding the frustration, you clearly knew this wasn’t your code, and getting walked through basic steps when you’ve been on the platform 10+ years is rough. For context, the typical inves…

@KyleG-Shopify your feedback is spot on and generally stuff I do when reaching out to support. These were things I actually went over with the support agent this time around as well. They are very valid steps however the support team sometimes relies on them too much. I sometimes am having an issue …

it just started happening to me. was the issue ever resolved for you?

Hey @driftkween , stale css does seem different than the original post here. Are you still seeing this? When you look at the stale CSS in the compiled file, is it styles you recognize from your own theme’s blocks (even ones that aren’t rendered on the current page), or does it look like foreign CSS …

@driftkween I may be mistaken but I’m 99% sure CSS entered into ANY {% stylesheet %} tag in a block or section in your theme is compiled regardless of whether the block is rendered on a specific page. So, what you’re describing is standard Shopify functionality. I agree, it would be amazing if the C…

{%- stylesheet -%} compiled_assets working intermittantly

Online Store and Theme Development

driftkween April 10, 2026, 12:08am 7

Hey Kyle,

I’ve been experiencing the same issue. The /compiled_assets/styles.css file auto-generated from the {% stylesheet %} tag keeps displaying stale css from theme blocks that aren’t even rendered on the page.

CSS renders correctly in Theme Editor but fails / shows stale styles on Theme Preview (compiled_assets/styles.css stuck on CDN edge cache)

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{%- stylesheet -%} compiled_assets working intermittantly

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