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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.260 ·

New telemetry event tracks sandbox filesystem rule sync completeness

New telemetry tracks completeness of sandbox filesystem rule syncing.

TierUnder the hoodhow much it should matter to you
Useful1my rating, 1 to 5
Signal1worth watching, 1 to 5
AreaSandboxwhat it touches
KindInternal Changesin v2.1.260,
Under the hood No documentation found

New telemetry tracks completeness of sandbox filesystem rule syncing.

A new function computes sandbox deny-read rules, credential file rules, and 'reopen' (allowRead) rules across all settings sources, and fires a tengu_dir_sync_upload_rules telemetry event summarizing the counts and completeness of that computation, deduplicated by payload hash.

Read from
Names in the bundletengu_dir_sync_upload_rules
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed Edit/Write/Read permission rules whose path contains parentheses being dropped as invalid or ignored by the Bash sandbox, which left…

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