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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.286 ·

Attachments in remote sessions can be held longer, and missing ones get a placeholder

Attachments fetched ahead of time in remote sessions can have their hold renewed, and ones that stall show [attachment did not arrive]

Nothing to try yet In Development
JSON All of v2.1.286
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
AttachmentsArea: what it touches
In DevelopmentKind: in v2.1.286,
In DevelopmentSection of the release
What

When you send a message with an attachment through a remote connection to Claude Code, Claude Code can fetch the attachment ahead of time and keep it ready. Before, it kept it for a fixed time with no renewal. Now:

  • the hold can last a set number of seconds, and is renewed when the attachment is asked for again
  • attachments that are never used are released when their time runs out
  • a download that stalls is marked, and the message shows [attachment did not arrive] in its place

The hold length comes from a remote setting that falls back to 0 when the server sends nothing.

Why

This is meant to lose fewer attachments in remote sessions, and to make it visible when one does go missing instead of dropping it silently.

Read from
Feature flag
tengu_hazel_lantern Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.286: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.286. It isn't a statement about your account. What a flag value here can and cannot tell you

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 doubtIt is not clear whether the `[attachment did not arrive]` placeholder is shown to you or only to Claude.
The name it cites is new in this buildNew in this build: tengu_hazel_lantern

See this entry in the whole of v2.1.286 →

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