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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.323 ·

File-sending tool can use alternative instructions and no longer asks for video thumbnails

The instructions for the tool that sends files to you can now switch to a second version, and video thumbnails are no longer requested

Nothing to try yet In Development
JSON All of v2.1.323
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
File SendingArea: what it touches
In DevelopmentKind: in v2.1.323,
In DevelopmentSection of the release
What

SendUserFile is the tool Claude uses to send a file to you. The instructions Claude reads about this tool are now chosen each time instead of being fixed. Claude Code uses a second version of the instructions only when two internal checks pass and a remotely controlled switch is on. That switch is off unless it is turned on remotely. In every other case the original instructions are used.

The tool also no longer asks for thumbnails, small preview images, when the file is a video.

Why

This prepares a different set of instructions for the file-sending tool that can be tried out without a new release. Until that happens, Claude reads the same instructions as before.

Read from
Feature flag
tengu_smooth_pelican Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.323: off

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_sorted_thimble Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.323: off

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_send_user_file 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 v2.1.323: 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.

Read once, for one account on one subscription tier, against v2.1.323. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: tengu_smooth_pelican

See this entry in the whole of v2.1.323 →

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