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What was broken The challenge submission Filestack picker exposed external import sources such as Google Drive, Dropbox, OneDrive, GitHub, and direct URL for standard submissions. Root cause (if identifiable) The non-Topgear picker configuration explicitly allowed every Filestack source even though only uploaded files can go through the expected file handling path. What was changed Restricted the standard submission picker source list to local file uploads while leaving the existing Topgear URL submission path intact. Any added/updated tests Added FilestackFilePicker coverage to assert standard submissions open Filestack with only the local file system source and Topgear URL submissions still populate URL submission data.
kkartunov
approved these changes
Jun 15, 2026
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What was broken
The challenge submission Filestack picker exposed external import sources such as Google Drive, Dropbox, OneDrive, GitHub, and direct URL for standard submissions.
Root cause (if identifiable)
The non-Topgear picker configuration explicitly allowed every Filestack source even though only uploaded files can go through the expected file handling path.
What was changed
Restricted the standard submission picker source list to local file uploads while leaving the existing Topgear URL submission path intact.
Any added/updated tests
Added FilestackFilePicker coverage to assert standard submissions open Filestack with only the local file system source and Topgear URL submissions still populate URL submission data.
Validation