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feat(batch-evaluation)!: evaluate observations via the v2 observations API - #1936

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hassiebp merged 59 commits into

prepare-v5-releasefrom

lfe-17058-python-sdk-v5-rework-batch-evaluation-for-langfuse-platform

Oct 7, 2026

Commits on Oct 6, 2026
- chore!: require Python 3.11 or newer
  
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- feat(openai)!: drop support for OpenAI SDK versions below 1.0
  
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- feat(otel)!: send x-langfuse-ingestion-version: 4 by default
  
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- feat(client)!: remove blocked_instrumentation_scopes
  
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- feat(tracing)!: JSON-serialize propagated metadata values
  
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- feat(client)!: remove get_dataset_run, get_dataset_runs and delete_dataset_run
  
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- feat(experiments)!: record experiment runs via OTEL only
  
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- test(experiments): read experiment e2e results via v4 APIs
  
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- test(experiments): pin the cross-SDK experiment id vectors
  
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- feat(batch-evaluation)!: evaluate observations via the v2 observations API
  
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- test(batch-evaluation): rewrite e2e suite for v2 observations
  
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- fix(tracing): serialize propagated metadata like JSON.stringify
  
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- Merge branch 'lfe-16769-bug-get_dataset_run-get_dataset_runs-delete_dataset_run-are' into lfe-17047-python-sdk-v5-update-the-experiment-runner
  
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- Merge branch 'lfe-17047-python-sdk-v5-update-the-experiment-runner' into lfe-17058-python-sdk-v5-rework-batch-evaluation-for-langfuse-platform
  
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- Merge branch 'lfe-17061-python-sdk-v5-json-serialize-propagated-metadata-align-with' into lfe-16769-bug-get_dataset_run-get_dataset_runs-delete_dataset_run-are
  
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  d32cdd9
Commits on Oct 7, 2026

Commits

Commits on Oct 6, 2026

Commits on Oct 7, 2026