v1.4.540
danielmiessler/Fabricv1.4.540Oct 22, 2026by github-actions[bot]
Upgrading?
Release notes summary
This release fixes Bedrock streaming behavior by ensuring token usage is emitted after MessageStop and by returning mid-stream errors instead of producing a cut-off answer. It improves the reliability and observability of Bedrock streaming responses.
Key Highlights
- Fixes Bedrock streaming token usage reporting after MessageStop
- Returns mid-stream errors rather than silently truncating responses
- Improves reliability of Bedrock streaming interactions
- Enhances observability by correctly reporting usage data
New Features
- Bedrock streams now emit token usage after MessageStop
- Mid-stream Bedrock errors are surfaced to the caller
Full Release Notes
## Changes ### PR [#2285](https://github.com/danielmiessler/Fabric/pull/2285) by [pcbeingused333](https://github.com/pcbeingused333): fix(bedrock): emit usage after MessageStop and return mid-stream errors - Report the token usage of a Bedrock stream and return the error that ends it instead of a cut-off answer.
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