42.31.3

Show maintenance

September 4, 2026

Action required

Set VT_UPLOADS_CHUNKED on the web app and use Azure Blob Storage. Without this, every upload fails with a 503 error, because Virtool has no proxied upload route now. S3 storage cannot issue upload links. Change API clients that use POST /uploads to the new /api/v1/uploads routes.

Features

Upload all files directly to storage and add upload API routes3909

API clients can now upload very large files with new routes under /api/v1/uploads. The Virtool manual has a guide. File bytes no longer pass through the web server, and the POST /uploads route is removed.

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42.31.3

Features

Upload all files directly to storage and add upload API routes3909