Short description of issue Since this morning 2025 / 09 / 30 ( GMT+0 ) any development preview I create via shopify theme dev aren’t in sync with code / customizer changes which effectively prevents me doing anything. Reproduction steps Be me Start any dev / CLI preview on any store shopify theme…

Hi - this is fixed again and should not repeat. Appreciate your patience here.

Have you tried the –theme-editor-sync flag? I think when I forget to use it, I have a similar experience to what you’re describing? You can make changes in the theme customizer, code or visual, and watch it save and display the changes. In my experience, at least while working on an unpublished the…

I described a newly arisen bug, not a misunderstanding in how the tool works. We work with Git, not unpublished previews. Using editor sync is neither an option for, nor a workaround to the issue I described.

@ShopNative Does your issue sound similar to this: [image] Localhost doesn't show changes correctly Dev Platform **Hi there, I am at the edge of collapse and need your help. Issue:** shopify theme dev randomly shows/hides local changes (~50% success rate on …

From digging into this it appears there is a bug on our side which affects caching on theme previews, that we’re currently investigating. I’ll update here when there’s more to share.

Update: this issue should be resolved now, let us know if you’re still seeing this

From just having a quick look after coming back, it seems to work fine. Thanks

@Liam-Shopify It was working fine until just now, but the exact same thing is happening again. Did someone break it again?

Fixed again? Can this please not become a common recurring issue .. Or can this happen after a certain amount of time?

CLI Preview Out Of Sync

Online Store and Theme Development

Liam-Shopify October 1, 2025, 9:01am 4

@ShopNative

Does your issue sound similar to this:

Topic		Replies	Views
Localhost doesn't show changes correctly Dev Platform dev-stores , cli	9	185	October 6, 2025
CLI and theme preview logsoout Online Store and Theme Development theme-editor	0	36	September 24, 2025
--theme-editor-sync no longer refreshes customiser Shopify CLI and Libraries theme-commands	13	281	March 30, 2026
`shopify theme dev` not picking up on file changes Shopify CLI and Libraries theme-commands	3	73	March 19, 2026
Shopify theme dev randomly shows/hides local changes Dev Platform dev-stores , cli	4	105	October 8, 2025

CLI Preview Out Of Sync

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