App block spontaneously gone from the storefront overnight

An app block disappeared from our production store and our development store since yesterday for no apparent reason. The production store had it installed through our public app, and the dev store through another (development) app. No changes were made to the block’s code or configuration since it last worked.

Going to the theme editor, it was absent from the page where it had been installed and working stably until now. Re-adding it fixed the issue.

Checkout UI extensions installed via the same app are fortunately still working, otherwise it would have been catastrophic.

What could be the reason?

@Liam-Shopify Would you be able to take a look? Extension uid is e0aab881-70eb-c87d-b7b6-f3774ed751157c913bcc

Hi @lukres

Are you still seeing this issue?

Hey @Liam It hasn’t happened again.
I hope we just somehow changed the UUID or extension schema, though I see no evidence of that in our logs and it’s really strange that it happened simultaneously on both the prod and dev apps.

It sounds like it could have been a temporary issue on our side possibly. I’ll mark this as solved and if it reoccurs please create a new topic here :slight_smile:

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Thanks for looking into it!