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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Cloud file sync: new install_ack pass publishes an install report without uploading

Cloud file sync gains an install_ack pass that only republishes the install report, without pulling or uploading

Under the hood Internal Changes
JSON All of v2.1.281
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Cloud SyncArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release
What

Cloud file sync keeps your machine and a cloud session's copy of the project in step. It works in passes, and each pass is started by a trigger. There is a new trigger, install_ack. A pass started this way skips the pull and the snapshot. It only republishes the session note, which is the install report.

It logs tengu_dir_sync_git_install_ack with an outcome or one of these skip reasons:

  • nothing_owed
  • upload_announced
  • no_note_yet
  • peer_behind

The fallback message for a failed upload is no longer raised for these passes.

Why

The install report can now be sent on its own, without a full sync. Because these passes do not upload anything, they no longer set off the failed-upload message.

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 doubtThe finding does not say what sets off an `install_ack` pass.

See this entry in the whole of v2.1.281 →

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