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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.

Events22,350dated, and never edited afterwards
Newestthe last time anything moved
Flag readings moved16,998a reading is one sample, for one account
Documentation arrived5,242a docs edit touched an entry's names
WhenEntryWhat happened
v2.1.196tengu_plugin_binary_assets Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_plugin_binary_assets, read as this account.
v2.1.248tengu_plucky_orchard Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_plucky_orchard, read as this account.
v2.1.14tengu_plank_river_frost Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_plank_river_frost, read as this account.
v2.1.122tengu_pewter_ledger Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_pewter_ledger, read as this account.
v2.1.73tengu_pewter_ledger Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_pewter_ledger, read as this account.
v2.1.234tengu_pewter_kite_ms Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_pewter_kite_ms, read as this account.
v2.1.239tengu_pewter_brook Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_pewter_brook, read as this account.
v2.1.236tengu_pewter_brook Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_pewter_brook, read as this account.
v2.1.36tengu_penguins_enabled Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_penguins_enabled, read as this account.
v2.1.223tengu_parchment_fern Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_parchment_fern, read as this account.
v2.1.242tengu_onyx_sluice Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_sluice, read as this account.
v2.1.236tengu_onyx_sluice Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_sluice, read as this account.
v2.1.236tengu_onyx_sluice Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_sluice, read as this account.
v2.1.228tengu_onyx_sluice Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_sluice, read as this account.
v2.1.94tengu_onyx_plover Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_plover, read as this account.
v2.1.81tengu_onyx_plover Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_plover, read as this account.
v2.1.78tengu_onyx_plover Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_onyx_plover, read as this account.
v2.1.239tengu_ochre_wren Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ochre_wren, read as this account.
v2.1.91tengu_noreread_q7m_velvet Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_noreread_q7m_velvet, read as this account.
v2.1.248tengu_nifty_lemur Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_nifty_lemur, read as this account.
v2.1.248tengu_nifty_lemur Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_nifty_lemur, read as this account.
v2.1.198tengu_moth_copse Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_moth_copse, read as this account.
v2.1.217tengu_moth_copse Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_moth_copse, read as this account.
v2.1.246tengu_moonlit_panda Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_moonlit_panda, read as this account.
v2.1.246tengu_mocha_barista Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mocha_barista, read as this account.
v2.1.247tengu_misty_anchor Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_misty_anchor, read as this account.
v2.1.246tengu_misty_anchor Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_misty_anchor, read as this account.
v2.1.246tengu_misty_anchor Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_misty_anchor, read as this account.
v2.1.163tengu_mint_lanes Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mint_lanes, read as this account.
v2.1.221tengu_mill_orange Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mill_orange, read as this account.
v2.1.219tengu_mill_orange Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mill_orange, read as this account.
v2.1.219tengu_mill_orange Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mill_orange, read as this account.
v2.1.235tengu_medlar_quoin Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_medlar_quoin, read as this account.
v2.1.235tengu_medlar_quoin Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_medlar_quoin, read as this account.
v2.1.221tengu_mcp_protocol_negotiation_stdio Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_protocol_negotiation_stdio, read as this account.
v2.1.221tengu_mcp_protocol_negotiation_claudeai Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_protocol_negotiation_claudeai, read as this account.
v2.1.236tengu_mcp_protocol_negotiation_ccr Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_protocol_negotiation_ccr, read as this account.
v2.1.195tengu_mcp_normalize_root_combinators Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_normalize_root_combinators, read as this account.
v2.1.246tengu_mcp_memory_cgroup Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_memory_cgroup, read as this account.
v2.1.246tengu_mcp_memory_cgroup Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_memory_cgroup, read as this account.
v2.1.239tengu_mcp_memory_cgroup Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_memory_cgroup, read as this account.
v2.1.216tengu_mcp_drop_invalid_tool_schemas Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_mcp_drop_invalid_tool_schemas, read as this account.
v2.1.215tengu_marl_cormorant Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_marl_cormorant, read as this account.
v2.1.224tengu_marbled_teal Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_marbled_teal, read as this account.
v2.1.224tengu_marbled_teal Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_marbled_teal, read as this account.
v2.1.70tengu_marble_whisper Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_marble_whisper, read as this account.
v2.1.163tengu_maple_sundial Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_maple_sundial, read as this account.
v2.1.236tengu_maple_pier Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_maple_pier, read as this account.
v2.1.232tengu_maple_pier Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_maple_pier, read as this account.
v2.1.232tengu_maple_pier Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_maple_pier, read as this account.
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