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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
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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.

Events22,542dated, and never edited afterwards
Newestthe last time anything moved
Flag readings moved17,190a reading is one sample, for one account
Documentation arrived5,242a docs edit touched an entry's names
WhenEntryWhat happened
v2.1.234tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.227tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.227tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.221tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.221tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.221tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.221tengu_teal_corbel Flag reading movedThe flag server now returns on for tengu_teal_corbel, read as this account.
v2.1.248tengu_tab_read_sep Flag reading movedThe flag server now returns off for tengu_tab_read_sep, read as this account.
v2.1.101tengu_surreal_dali Flag reading movedThe flag server now returns on for tengu_surreal_dali, read as this account.
v2.1.81tengu_surreal_dali Flag reading movedThe flag server now returns on for tengu_surreal_dali, read as this account.
v2.1.251tengu_surreal_dali Flag reading movedThe flag server now returns on for tengu_surreal_dali, read as this account.
v2.1.227tengu_surreal_dali Flag reading movedThe flag server now returns on for tengu_surreal_dali, read as this account.
v2.1.227tengu_surreal_dali Flag reading movedThe flag server now returns on for tengu_surreal_dali, read as this account.
v2.1.91tengu_sub_nomdrep_q7k Flag reading movedThe flag server now returns on for tengu_sub_nomdrep_q7k, read as this account.
v2.1.212tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.224tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.219tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.219tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.219tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.219tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.219tengu_stone_shell Flag reading movedThe flag server now returns off for tengu_stone_shell, read as this account.
v2.1.248tengu_still_kestrel Flag reading movedThe flag server now returns on for tengu_still_kestrel, read as this account.
v2.1.187tengu_startup_announcements Flag reading movedThe flag server now returns [{"accentBar":false,"id":"fable-5-1-launch","maxImpressions":5,"priority":0,"requiresModel":"claude-fable-5-1","text":"Fable 5.1 writes better code and reports progress on long tasks. Switch anytime with `/model`."}] for tengu_startup_announcements, read as this account.
v2.1.66tengu_sotto_voce Flag reading movedThe flag server now returns on for tengu_sotto_voce, read as this account.
v2.1.64tengu_sotto_voce Flag reading movedThe flag server now returns on for tengu_sotto_voce, read as this account.
v2.1.246tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.238tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.236tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.233tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.233tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.233tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.227tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.221tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.221tengu_sorrel_trellis Flag reading movedThe flag server now returns on for tengu_sorrel_trellis, read as this account.
v2.1.219tengu_sorrel_avocet Flag reading movedThe flag server now returns off for tengu_sorrel_avocet, read as this account.
v2.1.178tengu_soft_slate_nudge Flag reading movedThe flag server now returns "baseline" for tengu_soft_slate_nudge, read as this account.
v2.1.59tengu_snippet_save Flag reading movedThe flag server now returns off for tengu_snippet_save, read as this account.
v2.0.68tengu_sm_config Flag reading movedThe flag server now returns {"minimumMessageTokensToInit":150000,"minimumTokensBetweenUpdate":40000,"toolCallsBetweenUpdates":10} for tengu_sm_config, read as this account.
v2.1.120tengu_slate_siskin Flag reading movedThe flag server now returns {"enabled":false,"summaryLineThreshold":5,"throttleMs":30000,"timeoutMs":8000} for tengu_slate_siskin, read as this account.
v2.1.120tengu_slate_siskin Flag reading movedThe flag server now returns {"enabled":false,"summaryLineThreshold":5,"throttleMs":30000,"timeoutMs":8000} for tengu_slate_siskin, read as this account.
v2.1.110tengu_slate_ribbon Flag reading movedThe flag server now returns on for tengu_slate_ribbon, read as this account.
v2.1.250tengu_slate_lantern_ember Flag reading movedThe flag server now returns on for tengu_slate_lantern_ember, read as this account.
v2.1.250tengu_slate_lantern_ember Flag reading movedThe flag server now returns on for tengu_slate_lantern_ember, read as this account.
v2.1.236tengu_slate_lantern_ember Flag reading movedThe flag server now returns on for tengu_slate_lantern_ember, read as this account.
v2.1.250tengu_slate_lantern Flag reading movedThe flag server now returns on for tengu_slate_lantern, read as this account.
v2.1.239tengu_slate_lantern Flag reading movedThe flag server now returns on for tengu_slate_lantern, read as this account.
v2.1.239tengu_slate_lantern Flag reading movedThe flag server now returns on for tengu_slate_lantern, read as this account.
v2.1.236tengu_slate_lantern Flag reading movedThe flag server now returns on for tengu_slate_lantern, read as this account.
v2.1.233tengu_slate_lantern Flag reading movedThe flag server now returns on for tengu_slate_lantern, read as this account.
v2.1.221tengu_slate_ibis Flag reading movedThe flag server now returns on for tengu_slate_ibis, read as this account.
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