CLAUDE LABJP
DEFAULT — Sonnet 5 is now the default model for Pro, Team Standard, and Enterprise seats, with a native 1M-token context window and adaptive thinking on by defaultREWIND — The /rewind command can now restore a conversation after /clear. At a checkpoint you choose whether to roll back the code, the conversation, or bothORGDEFAULT — Organization default models are supported. When you have not picked a model yourself, /model shows it as Org default or Role defaultATTACH — File attachments in chat are now clickable. Cmd or Ctrl-click reveals the file in Finder or ExplorerBASH — Bash mode gained live file path autocomplete, and auto mode now spells out the reason when it declines an actionEXPIRE — The claim window for the $100 promotional credit closed on August 2. Credits already claimed expire September 17, so any evaluation run needs to sit inside that windowDEFAULT — Sonnet 5 is now the default model for Pro, Team Standard, and Enterprise seats, with a native 1M-token context window and adaptive thinking on by defaultREWIND — The /rewind command can now restore a conversation after /clear. At a checkpoint you choose whether to roll back the code, the conversation, or bothORGDEFAULT — Organization default models are supported. When you have not picked a model yourself, /model shows it as Org default or Role defaultATTACH — File attachments in chat are now clickable. Cmd or Ctrl-click reveals the file in Finder or ExplorerBASH — Bash mode gained live file path autocomplete, and auto mode now spells out the reason when it declines an actionEXPIRE — The claim window for the $100 promotional credit closed on August 2. Credits already claimed expire September 17, so any evaluation run needs to sit inside that window
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Beta Features

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API & SDK/2026-06-15Advanced

Centralizing the anthropic-beta Header So a Retired Beta Won't Kill Your Batch

Scattered anthropic-beta headers turn a beta retirement or GA graduation into a 400 that takes down an entire batch. A small capability registry, a startup preflight, and tiered fallback keep your pipeline running across feature generations.