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Sweep 28 Sep 2026 · 17:20Z Build v2.1.284 505 read Stable v2.1.274 Latest v2.1.283 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.280 ·

Device-linking (QR/pairing) requests can carry an onUpload callback

Device-linking (QR pairing) requests can now carry an onUpload callback

Under the hood Internal Changes
JSON All of v2.1.280
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Device LinkingArea: what it touches
Internal ChangesKind: in v2.1.280,
Internal ChangesSection of the release
What

The tracker used for device-linking requests, such as pairing a new device via QR code, now accepts and stores an onUpload callback in addition to the existing kind, accepts, and instanceId fields when tracking a live request.

Why

This lets the pairing flow run additional logic when something is uploaded as part of linking a device, though the finding doesn't specify what that upload step does.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhat triggers the onUpload callback or what it's used for is not stated in the finding.

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