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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeReleasesWhat has changed since
What has changed since

An entry is only as true as the day it was written.

Flags move on the server after a release ships. Anthropic's own notes land days later and their documentation later still. Sometimes an entry turns out to be wrong and gets corrected by hand. All of that is recorded against the entry it happened to, and this is the whole of it in the order it happened.

Nothing here replaces an entry. Every line links to the page its release published, still saying what that release said, because a correction is added and dated rather than swapped in.

Events22,549dated, and never edited afterwards
Newestthe last time anything moved
Flag readings moved17,196a reading is one sample, for one account
Documentation arrived5,243a docs edit touched an entry's names
WhenEntryWhat happened
v2.1.260tengu_cobalt_plinth_samphire Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_samphire, read as this account.
v2.1.260tengu_cobalt_plinth_samphire Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_samphire, read as this account.
v2.1.260tengu_cobalt_plinth_samphire Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_samphire, read as this account.
v2.1.260tengu_cobalt_plinth_samphire Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_samphire, read as this account.
v2.1.265tengu_cobalt_plinth_damson Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_damson, read as this account.
v2.1.265tengu_cobalt_plinth_damson Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_damson, read as this account.
v2.1.259tengu_cobalt_plinth_damson Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_damson, read as this account.
v2.1.257tengu_cobalt_plinth_damson Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_damson, read as this account.
v2.1.257tengu_cobalt_plinth_damson Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_damson, read as this account.
v2.1.295tengu_cobalt_plinth_bryony Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_bryony, read as this account.
v2.1.247tengu_cobalt_plinth_alder Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_alder, read as this account.
v2.1.247tengu_cobalt_plinth_alder Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_alder, read as this account.
v2.1.239tengu_cobalt_plinth_alder Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_alder, read as this account.
v2.1.285tengu_cobalt_plinth_alder Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_alder, read as this account.
v2.1.296tengu_ccr_v2_session_crud_cli Flag reading movedThe flag server now returns on for tengu_ccr_v2_session_crud_cli, read as this account.
v2.1.277tengu_ccr_v2_session_crud_cli Flag reading movedThe flag server now returns on for tengu_ccr_v2_session_crud_cli, read as this account.
v2.1.261tengu_ccr_v2_bridge_create_cli Flag reading movedThe flag server now returns on for tengu_ccr_v2_bridge_create_cli, read as this account.
v2.1.259tengu_ccr_no_subscriber_hold_ms Flag reading movedThe flag server now returns 10000 for tengu_ccr_no_subscriber_hold_ms, read as this account.
v2.1.259tengu_ccr_no_subscriber_hold_ms Flag reading movedThe flag server now returns 10000 for tengu_ccr_no_subscriber_hold_ms, read as this account.
v2.1.259tengu_ccr_no_subscriber_hold_ms Flag reading movedThe flag server now returns 10000 for tengu_ccr_no_subscriber_hold_ms, read as this account.
v2.1.307tengu_calm_nautilus Flag reading movedThe flag server now returns on for tengu_calm_nautilus, read as this account.
v2.1.242tengu_bubbly_harbor Flag reading movedThe flag server now returns on for tengu_bubbly_harbor, read as this account.
v2.1.277tengu_bubbly_harbor Flag reading movedThe flag server now returns on for tengu_bubbly_harbor, read as this account.
v2.1.280tengu_brisk_meadow Flag reading movedThe flag server now returns on for tengu_brisk_meadow, read as this account.
v2.1.218tengu_brindle_causeway Flag reading movedThe flag server now returns on for tengu_brindle_causeway, read as this account.
v2.1.218tengu_brindle_causeway Flag reading movedThe flag server now returns on for tengu_brindle_causeway, read as this account.
v2.1.274tengu_brindle_causeway Flag reading movedThe flag server now returns on for tengu_brindle_causeway, read as this account.
v2.1.274tengu_brindle_causeway Flag reading movedThe flag server now returns on for tengu_brindle_causeway, read as this account.
v2.1.247tengu_bridge_system_init Flag reading movedThe flag server now returns on for tengu_bridge_system_init, read as this account.
v2.1.288tengu_bridge_attestation_enforce_config Flag reading movedThe flag server now returns {"accept_level":"VERIFIED_KEYLESS_DEVICE","accept_statuses":[]} for tengu_bridge_attestation_enforce_config, read as this account.
v2.1.288tengu_bridge_attestation_enforce_config Flag reading movedThe flag server now returns {"accept_level":"VERIFIED_KEYLESS_DEVICE","accept_statuses":[]} for tengu_bridge_attestation_enforce_config, read as this account.
v2.1.287tengu_breezy_crescent Flag reading movedThe flag server now returns on for tengu_breezy_crescent, read as this account.
v2.1.271tengu_breezy_crescent Flag reading movedThe flag server now returns on for tengu_breezy_crescent, read as this account.
v2.1.268tengu_breezy_crescent Flag reading movedThe flag server now returns on for tengu_breezy_crescent, read as this account.
v2.1.268tengu_breezy_crescent Flag reading movedThe flag server now returns on for tengu_breezy_crescent, read as this account.
v2.1.251tengu_brass_plover Flag reading movedThe flag server now returns on for tengu_brass_plover, read as this account.
v2.1.232tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.221tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.219tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.205tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.166tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.71tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.251tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.307tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.236tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.248tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.248tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.302tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.302tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
v2.1.302tengu_auto_mode_config Flag reading movedThe flag server now returns {"editRemovalCap":3000,"editRemovalVisibility":true,"enabled":"enabled","envOnboarding":true,"gitStatusType":true,"gitStatusUploads":false,"jsonlTranscript":true,"outcomeVisibility":false,"repoVisibility":true,"sameTurnSiblingContext":true,"severityByModel":{"claude-opus-4-8":{"t1":45,"t2":35},"claude-opus-4-8[1m]":{"t1":45,"t2":35},"claude-sonnet-5":{"t1":25,"t2":35},"claude-sonnet-5[1m]":{"t1":25,"t2":35}},"severityBySite":{"compactFabCheck":"on","handoff":"on","investigator":"on","sandboxNetwork":"on","workflowGate":"on"},"twoStageClassifier":true} for tengu_auto_mode_config, read as this account.
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