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Sweep 30 Oct 2026 · 01:02Z Build v2.1.314 532 read Stable v2.1.308 Latest v2.1.314 Next v2.1.314 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.314 ·

Hosted workers now report counts of uploaded and attached files

In hosted worker sessions only, Claude Code now reports how many uploaded and attached files exist, their sizes, and whether they were read

Under the hood Internal Changes
JSON All of v2.1.314
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.314,
Internal ChangesSection of the release
What

After each turn in a session of type "hosted_worker", Claude Code now counts the files in the staged-upload folder and the message-attachment folders. It sorts them by kind (such as staged uploads, message images and message PDFs) and by size range. It also notes whether each file was read, using file access times. That last check only runs on ext4 drives that are not set to skip recording access times.

It then sends telemetry (usage data sent back to Anthropic) as headless_uploads_census events. These contain file counts, approximate total size, and whether the list was cut short. It skips the count if the drive does not suit the check or the folder cannot be read. After any error it reports census_failed and stops for the rest of the session.

A remote switch controls this, and it is on unless it is switched off remotely.

Why

This is a new way of collecting data, but it only runs in hosted or cloud workers. Ordinary command-line sessions on your own machine do not run it.

Read from
Feature flag
tengu_wild_hamster 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 v2.1.314: 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 v2.1.314. 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_wild_hamster

See this entry in the whole of v2.1.314 →

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