[@vercel/blob] Add ttlDays option - #1108
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Sent as x-ttl-days on put, copy, rename and createMultipartUpload, embedded in client tokens and signed into presigned URLs. head() returns expiresAt when a TTL applies. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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🦋 Changeset detectedLatest commit: b041c57 The changes in this PR will be included in the next version bump. This PR includes changesets to release 2 packages
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falcoagustin
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elliotdauber and
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September 19, 2026 10:57
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Problem
There is no way to make a blob expire. Temp uploads, exports and previews stay until someone deletes them.
Design: Blob TTL for objects. Server side: vercel/api#92860.
Solution
Adds
ttlDays(integer 1 to 30) toput,copy,renameandcreateMultipartUpload. It is sent as thex-ttl-daysheader, embedded in client tokens fromgenerateClientTokenFromReadWriteTokenandhandleUpload, and signed into presigned put URLs asvercel-blob-ttl-days. Browser-sideuploadanduploadPresignedreject it, same ascacheControlMaxAge, so only the server decides the TTL.head()returnsexpiresAtas aDatewhen the blob has a TTL.Why: Blob had no expiry. This lets a write say how long the object should live, and the API tags it so S3 lifecycle rules delete it. Copies and renames never inherit the source TTL, so promoting a temp upload to its final path is just a copy or rename without
ttlDays.Requires the API change to be deployed and the
blob-ttlteam flag to be on; otherwise the API returns 400.🤖 Generated with Claude Code