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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.

Events22,288dated, and never edited afterwards
Newestthe last time anything moved
Flag readings moved16,936a reading is one sample, for one account
Documentation arrived5,242a docs edit touched an entry's names
WhenEntryWhat happened
v2.1.236tengu_cedar_plume Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_cedar_plume, read as this account.
v2.1.248tengu_cedar_lantern Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_cedar_lantern, read as this account.
v2.1.247tengu_ccr_v2_send_events_cli Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_v2_send_events_cli, read as this account.
v2.1.221tengu_ccr_subagent_skip_on_delta Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_subagent_skip_on_delta, read as this account.
v2.1.247tengu_ccr_subagent_lazy_hydrate Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_subagent_lazy_hydrate, read as this account.
v2.1.223tengu_ccr_stream_event_flush_ms Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_stream_event_flush_ms, read as this account.
v2.1.223tengu_ccr_stream_event_flush_ms Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_stream_event_flush_ms, read as this account.
v2.1.228tengu_ccr_reactivation_beat Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_reactivation_beat, read as this account.
v2.1.248tengu_ccr_no_subscriber_flush_ms Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_no_subscriber_flush_ms, read as this account.
v2.1.248tengu_ccr_no_subscriber_flush_ms Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_no_subscriber_flush_ms, read as this account.
v2.1.228tengu_ccr_idle_heartbeat Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_idle_heartbeat, read as this account.
v2.1.228tengu_ccr_idle_heartbeat Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_idle_heartbeat, read as this account.
v2.1.227tengu_ccr_idle_heartbeat Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_idle_heartbeat, read as this account.
v2.1.227tengu_ccr_idle_heartbeat Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_idle_heartbeat, read as this account.
v2.1.248tengu_ccr_handoff_metadata Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_handoff_metadata, read as this account.
v2.1.242tengu_ccr_handoff_metadata Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_handoff_metadata, read as this account.
v2.1.248tengu_ccr_bundle_seed_enabled Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bundle_seed_enabled, read as this account.
v2.1.247tengu_ccr_bundle_seed_enabled Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bundle_seed_enabled, read as this account.
v2.1.246tengu_ccr_bundle_seed_enabled Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bundle_seed_enabled, read as this account.
v2.1.246tengu_ccr_bundle_seed_enabled Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bundle_seed_enabled, read as this account.
v2.1.51tengu_ccr_bridge Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bridge, read as this account.
v2.1.251tengu_ccr_bridge Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bridge, read as this account.
v2.1.251tengu_ccr_bridge Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_bridge, read as this account.
v2.1.252tengu_carved_slate Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_carved_slate, read as this account.
v2.1.252tengu_carved_slate Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_carved_slate, read as this account.
v2.1.252tengu_carved_slate Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_carved_slate, read as this account.
v2.1.252tengu_carved_slate Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_carved_slate, read as this account.
v2.1.252tengu_carved_slate Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_carved_slate, read as this account.
v2.1.218tengu_brindle_causeway Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_brindle_causeway, read as this account.
v2.1.218tengu_brindle_causeway Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_brindle_causeway, read as this account.
v2.1.228tengu_bridge_unarchive_on_resume Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_unarchive_on_resume, read as this account.
v2.1.247tengu_bridge_system_init Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_system_init, read as this account.
v2.1.222tengu_bridge_selfheal_heartbeats Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_selfheal_heartbeats, read as this account.
v2.1.222tengu_bridge_selfheal_heartbeats Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_selfheal_heartbeats, read as this account.
v2.1.222tengu_bridge_selfheal_heartbeats Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_selfheal_heartbeats, read as this account.
v2.1.248tengu_bridge_requires_action_details Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_requires_action_details, read as this account.
v2.1.77tengu_bridge_repl_v2 Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_repl_v2, read as this account.
v2.1.77tengu_bridge_repl_v2 Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_repl_v2, read as this account.
v2.1.58tengu_bridge_poll_interval_ms Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_poll_interval_ms, read as this account.
v2.1.248tengu_bridge_partial_messages Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_partial_messages, read as this account.
v2.1.53tengu_bridge_min_version Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_min_version, read as this account.
v2.1.225tengu_bridge_auth_revive Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_auth_revive, read as this account.
v2.1.225tengu_bridge_auth_revive Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bridge_auth_revive, read as this account.
v2.1.251tengu_brass_plover Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_brass_plover, read as this account.
v2.1.76tengu_bramble_lintel Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bramble_lintel, read as this account.
v2.1.217tengu_bison_cairn Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_bison_cairn, read as this account.
v2.1.181tengu_birch_lantern Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_birch_lantern, read as this account.
v2.1.108tengu_birch_compass Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_birch_compass, read as this account.
v2.1.108tengu_birch_compass Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_birch_compass, read as this account.
v2.1.94tengu_billiard_aviary Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_billiard_aviary, read as this account.
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