Bedrock and Vertex share one stale-model check

Bedrock and Vertex now share one check for outdated pinned model variables.

Under the hood Internal Changes

JSON All of v2.1.227

Under the hoodTier: how much it should matter to you

2Useful: my rating, 1 to 5

1Signal: worth watching, 1 to 5

ElsewhereArea: what it touches

Internal ChangesKind: in v2.1.227, 10 Aug 26

Internal ChangesSection of the release

What

The duplicated per-provider code that checks whether your pinned model environment variables lag the current defaults is now a single shared routine.

Details

Evidence

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

The build it came inv2.1.227

10 Aug 2026 · 358 entries, this one is #292.

Either side of it

Open the release →

Names in this entry

envANTHROPIC_DEFAULT_SONNET_MODEL
Model ID that the sonnet alias resolves to, and that opusplan uses when Plan Mode is not active. See Model configuration
envANTHROPIC_DEFAULT_OPUS_MODEL
Model ID that the opus alias resolves to, and that opusplan uses while Plan Mode is active. See Model configuration
envANTHROPIC_SMALL_FAST_MODEL
\[DEPRECATED] Name of Haiku-class model for background tasks
envANTHROPIC_DEFAULT_HAIKU_MODEL
Model ID that the haiku alias resolves to, also used for background functionality. See Model configuration
flagtengu_bedrock_upgrade_check
Bedrock and Vertex now share one check for outdated pinned model variables.

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