I have reproduced the issue on the latest CLI version.
Yes, I am on the latest version
I have searched existing posts and this report is not a duplicate.
Yes, this isn’t a duplicate
In which of these areas are you experiencing a problem?
App
Expected behavior
Running shopify app dev produces a clean output for app theme extension snippets and obeys .theme-check.yml
Actual behavior
Regardless of if a app snippet is used in an app block, it produces OrphanedSnippet warnings. It appears that adding a .theme-check.yml isn’t a work around for this issue either.
Reproduction steps
Run shopify app dev with a file in the snippets folder and view output
Verbose output
theme │ [warning]: OrphanedSnippet
13:29:13 │ theme │ This snippet is not referenced by any other files
13:29:13 │ theme │
13:29:13 │ theme │ 1 {% assign currency_unit = shop.metafields.discount_kit.shop_currency_unit.value %}
13:29:13 │ theme │
13:29:13 │ theme │
13:29:13 │ theme │ [warning]: OrphanedSnippet
13:29:13 │ theme │ This snippet is not referenced by any other files
13:29:13 │ theme │
13:29:13 │ theme │ 1 {% style %}
13:29:13 │ theme │
13:29:13 │ theme │
13:29:13 │ theme │ [warning]: OrphanedSnippet
13:29:13 │ theme │ This snippet is not referenced by any other files
13:29:13 │ theme │
13:29:13 │ theme │ 1 {% liquid
13:29:13 │ theme │
13:29:13 │ theme │
13:29:13 │ theme │ [warning]: OrphanedSnippet
13:29:13 │ theme │ This snippet is not referenced by any other files
13:29:13 │ theme │
13:29:13 │ theme │ 1 {% liquid
13:29:13 │ theme │
13:29:13 │ theme │
13:29:13 │ theme │ [warning]: OrphanedSnippet
13:29:13 │ theme │ This snippet is not referenced by any other files
13:29:13 │ theme │
13:29:13 │ theme │ 1 <template id='normalize'>
13:29:13 │ theme │ Bundling theme extension theme...
Operating system
Mac OS Tahoe
CLI version
3.94.3
Shell
zsh
Nodejs version
25.1.0