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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.290 ·

Attachment uploads now wait their turn and re-check permission before sending

Project-folder and chat attachment uploads now wait their turn, re-check policy after waiting, and report which files failed to download

You'll notice Improvements
JSON All of v2.1.290
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
File AttachmentsArea: what it touches
ImprovementsKind: in v2.1.290,
ImprovementsSection of the release

Unclear It is not clear how many uploads are allowed to run at the same time.

What

When Claude Code uploads attachments for a project folder or a chat, each upload now waits for its turn before it reads the file and sends it. Before, uploads started straight away.

Once an upload's turn comes, Claude Code checks again whether policy allows it. Before, it checked only once, at the start. If the second check refuses, the file is skipped.

Other changes in the same area:

  • The remote settings that tune uploads are now read once for each batch of uploads.
  • A failed download now reports which files are missing and which were already written. Before, it gave only part of the path.
  • The timing log line for a download is now written as a warning when the download fails.
Why

Uploads now run in an orderly queue and are less likely to collide. Because the policy is checked again after the wait, a policy change that happens while a file is queued still applies to it. When a download fails, you can see exactly which files did not arrive.

Read from
Feature flag
tengu_playful_panda 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 v2.1.290: on

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.

tengu_level_wren 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 v2.1.290: on

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.

tengu_zany_flask 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 v2.1.290: 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 v2.1.290. 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 how many uploads are allowed to run at the same time.

See this entry in the whole of v2.1.290 →

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