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.
Events22,554dated, and never edited afterwards
Newestthe last time anything moved
Flag readings moved17,196a reading is one sample, for one account
Documentation arrived5,248a docs edit touched an entry's names
| When | Entry | What happened |
|---|---|---|
v2.1.285allowedProviders |
Documentation arrivedA small documentation edit on Set up Claude Code for your organization touched a line naming allowedProviders after this was published.
the line in the docs| [Provider restrictions](/docs/en/settings-reference#allowedproviders) | Limit which API providers a machine may use. A session on a provider that isn't listed is refused at startup, at login, and when it next contacts the API. Requires C… |
|
v2.1.285allowedProviders |
Documentation arrivedA small documentation edit on Set up Claude Code for your organization touched a line naming allowedProviders after this was published.
the line in the docs| [Provider restrictions](/docs/en/settings-reference#allowedproviders) | Limit which API providers a machine may use. A session on a provider that isn't listed is refused at startup, at login, and when it next contacts the API. Requires C… |
|
v2.1.285allowedProviders |
Documentation arrivedA small documentation edit on Set up Claude Code for your organization touched a line naming allowedProviders after this was published.
the line in the docs| [Provider restrictions](/docs/en/settings-reference#allowedproviders) | Limit which API providers a machine may use. A session on a provider that isn't listed is refused at startup, at login, and when it next contacts the API. Requires C… |
|
v2.1.206tengu_umber_kestrel |
Flag reading movedThe flag server now returns on for tengu_umber_kestrel, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"allowanceNote":"{percent} allowance left","budgetExhaustedCopy":"You've used this week's lower-priority allowance","cooloffMinutes":10,"enabled":true,"label":"Continue now at lower priority","noticeLine":"/low-priority to continue now at lower priority · uses your weekly limit","statusLine":"Lower priority until {reset}","version":3,"waitBanner":"Working at lower priority · waiting for capacity"} for tengu_toasty_breeze, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"allowanceNote":"{percent} allowance left","budgetExhaustedCopy":"You've used this week's lower-priority allowance","cooloffMinutes":10,"enabled":true,"label":"Continue now at lower priority","noticeLine":"/low-priority to continue now at lower priority · uses your weekly limit","statusLine":"Lower priority until {reset}","version":3,"waitBanner":"Working at lower priority · waiting for capacity"} for tengu_toasty_breeze, read as this account. | |
v2.1.273tengu_quiet_dolphin |
Flag reading movedThe flag server now returns on for tengu_quiet_dolphin, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"autoContinue":true,"enabled":true,"label":"Reset your session limit now","noticeLine":"/limit-reset to reset your session limit now · uses weekly limit · 1/week","spentLine":"Weekly reset used · available again {date}","successLine":"Session limit reset · next reset available {date} · your weekly limit still applies","unavailableLine":"Couldn't reset your session limit right now · try again in a moment","version":1} for tengu_nifty_lemur, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"autoContinue":true,"enabled":true,"label":"Reset your session limit now","noticeLine":"/limit-reset to reset your session limit now · uses weekly limit · 1/week","spentLine":"Weekly reset used · available again {date}","successLine":"Session limit reset · next reset available {date} · your weekly limit still applies","unavailableLine":"Couldn't reset your session limit right now · try again in a moment","version":1} for tengu_nifty_lemur, read as this account. | |
v2.1.284tengu_lantern_wick_text |
Flag reading movedThe flag server now returns "Usage limit reached; a short grace allowance remains, then this turn is cut off without warning. Judge what's left: if it's genuinely only a few steps, finish it properly, then stop and say so without extra polishing. Otherwise don't attempt it all: finish the piece in hand and at most two more like it, then stop. The allowance also pays for any subagents you have running: they don't get this message and will keep going, so it's up to you how to handle them. Either way, end by telling the user their usage limit was reached, what's done and what's left." for tengu_lantern_wick_text, read as this account. | |
v2.1.223tengu_juniper_relay |
Flag reading movedThe flag server now returns on for tengu_juniper_relay, read as this account. | |
v2.1.251tengu_juniper_relay |
Flag reading movedThe flag server now returns on for tengu_juniper_relay, read as this account. | |
v2.1.285/model |
Documentation arrivedA small documentation edit on migration-guide touched a line naming /model after this was published.
the line in the docsOn the Claude API, Claude Fable 5.1 and Claude Mythos 5.1 read Claude Opus 5.5 thinking blocks; no other model does. A router or fallback that moves a conversation from Claude Opus 5.5 to any other model runs those turns without them. In t… |
|
v2.1.281SessionEnd |
Documentation arrivedAnthropic's documentation has since written up SessionEnd, on Sessions.
the line in the docs- `stop_reason: BetaManagedAgentsSessionEndTurn or BetaManagedAgentsSessionRequiresAction or BetaManagedAgentsSessionRetriesExhausted or 2 more` |
|
v2.1.283plugin_errors |
Documentation arrivedAnthropic's documentation has since written up plugin_errors, on Organization.
the line in the docs- `plugin_errors: array of BetaPluginMarketplaceValidationPluginError` |
|
v2.1.187tengu_startup_announcements |
Flag reading movedThe flag server now returns [{"accentBar":false,"id":"opus-5-5-launch","maxImpressions":10,"priority":0,"requiresModel":"claude-opus-5-5","text":"Get to finished work sooner with Opus 5.5. Switch anytime with `/model`."},{"accentBar":true,"id":"anthropic-interviewer-2026-09-public","maxImpressions":3,"priority":-2,"text":"Take 15 min to share your experiences with Anthropic Interviewer. [Start now](https://clau.de/yourthoughts)","title":"Your voice can help guide AI"}] for tengu_startup_announcements, read as this account. | |
v2.1.273tengu_quiet_dolphin |
Flag reading movedThe flag server now returns off for tengu_quiet_dolphin, read as this account. | |
v2.1.285tengu_ccr_context_build_after_resume_enabled |
Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_ccr_context_build_after_resume_enabled, read as this account. | |
v2.1.206tengu_umber_kestrel |
Flag reading movedThe flag server now returns off for tengu_umber_kestrel, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account. | |
v2.1.273tengu_quiet_dolphin |
Flag reading movedThe flag server now returns on for tengu_quiet_dolphin, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_nifty_lemur, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_nifty_lemur, read as this account. | |
v2.1.284tengu_lantern_wick_text |
Flag reading movedThe flag server now returns null for tengu_lantern_wick_text, read as this account. | |
v2.1.223tengu_juniper_relay |
Flag reading movedThe flag server now returns off for tengu_juniper_relay, read as this account. | |
v2.1.251tengu_juniper_relay |
Flag reading movedThe flag server now returns off for tengu_juniper_relay, read as this account. | |
v2.1.285availableModels |
Documentation arrivedAnthropic's documentation has since written up availableModels, on Deploy Claude apps gateway on AWS.
the line in the docscli: {availableModels: [platform-claude-opus-4-8], enforceAvailableModels: true} |
|
v2.1.281assume_role |
Documentation arrivedAnthropic's documentation has since written up assume_role, on Claude apps gateway configuration.
the line in the docsAlso grant `bedrock:ApplyGuardrail` on the guardrail to the principal that signs this upstream's requests: the gateway's AWS principal, or with [`assume_role`](#bedrock-in-another-aws-account) the role named in `role_arn`. |
|
v2.1.281assume_role |
Documentation arrivedAnthropic's documentation has since written up assume_role, on Claude apps gateway configuration.
the line in the docsAlso grant `bedrock:ApplyGuardrail` on the guardrail to the principal that signs this upstream's requests: the gateway's AWS principal, or with [`assume_role`](#bedrock-in-another-aws-account) the role named in `role_arn`. |
|
v2.1.206tengu_umber_kestrel |
Flag reading movedThe flag server now returns on for tengu_umber_kestrel, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"allowanceNote":"{percent} allowance left","budgetExhaustedCopy":"You've used this week's lower-priority allowance","cooloffMinutes":10,"enabled":true,"label":"Continue now at lower priority","noticeLine":"/low-priority to continue now at lower priority · uses your weekly limit","statusLine":"Lower priority until {reset}","version":3,"waitBanner":"Working at lower priority · waiting for capacity"} for tengu_toasty_breeze, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"allowanceNote":"{percent} allowance left","budgetExhaustedCopy":"You've used this week's lower-priority allowance","cooloffMinutes":10,"enabled":true,"label":"Continue now at lower priority","noticeLine":"/low-priority to continue now at lower priority · uses your weekly limit","statusLine":"Lower priority until {reset}","version":3,"waitBanner":"Working at lower priority · waiting for capacity"} for tengu_toasty_breeze, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"autoContinue":true,"enabled":true,"label":"Reset your session limit now","noticeLine":"/limit-reset to reset your session limit now · uses weekly limit · 1/week","spentLine":"Weekly reset used · available again {date}","successLine":"Session limit reset · next reset available {date} · your weekly limit still applies","unavailableLine":"Couldn't reset your session limit right now · try again in a moment","version":1} for tengu_nifty_lemur, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"autoContinue":true,"enabled":true,"label":"Reset your session limit now","noticeLine":"/limit-reset to reset your session limit now · uses weekly limit · 1/week","spentLine":"Weekly reset used · available again {date}","successLine":"Session limit reset · next reset available {date} · your weekly limit still applies","unavailableLine":"Couldn't reset your session limit right now · try again in a moment","version":1} for tengu_nifty_lemur, read as this account. | |
v2.1.284tengu_lantern_wick_text |
Flag reading movedThe flag server now returns "Usage limit reached; a short grace allowance remains, then this turn is cut off without warning. Judge what's left: if it's genuinely only a few steps, finish it properly, then stop and say so without extra polishing. Otherwise don't attempt it all: finish the piece in hand and at most two more like it, then stop. The allowance also pays for any subagents you have running: they don't get this message and will keep going, so it's up to you how to handle them. Either way, end by telling the user their usage limit was reached, what's done and what's left." for tengu_lantern_wick_text, read as this account. | |
v2.1.223tengu_juniper_relay |
Flag reading movedThe flag server now returns on for tengu_juniper_relay, read as this account. | |
v2.1.251tengu_juniper_relay |
Flag reading movedThe flag server now returns on for tengu_juniper_relay, read as this account. | |
v2.1.206tengu_umber_kestrel |
Flag reading movedThe flag server now returns off for tengu_umber_kestrel, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account. | |
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account. | |
v2.1.247tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.247tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.283tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.283tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.246tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.242tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.242tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.242tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. | |
v2.1.242tengu_plugin_hooks_modules |
Flag reading movedThe flag server now returns off for tengu_plugin_hooks_modules, read as this account. |