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About the Observability & Evals category
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0
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313
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April 22, 2025
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Passing variable to multi-turn conversation eval prompt, coming as empty during execution
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3
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67
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March 9, 2026
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Reasoning_effort parameter not working with GPT-5.2 in playground
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2
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49
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March 9, 2026
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How to enable LangSmith tracing in my project?
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5
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9
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March 6, 2026
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How to delete a langsmith account
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3
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512
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February 26, 2026
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Langsmith experiment trace as empty Lambda
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1
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37
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February 9, 2026
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Bug: Langsmith Dataset examples wiped from 'latest'
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5
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82
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February 4, 2026
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Langsmith forced logout (EU domain; 500 error resolved)
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5
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267
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January 30, 2026
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Running into basic access problem with new key created
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4
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1592
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January 27, 2026
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EU LangSmith tracing: runs dropped over 20MB + missing image previews after attachment chunking
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5
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139
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January 23, 2026
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Built a tamper-evident audit log for LangChain agents (early users welcome)
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0
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83
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January 22, 2026
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LangSmith API Error: 403 Forbidden - org_scoped_key_requires_workspace
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1
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914
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January 22, 2026
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Why does Polly require an Anthropic API key even when choosing an OpenAI model?
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1
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85
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January 15, 2026
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Handling unexpected latency in langchain pipelines, any ideas?
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2
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38
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January 22, 2026
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Full experiment runs only 20 examples
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11
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883
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January 4, 2026
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In the new LLM evaluator, prompts do not support obtaining the last element in the actual output list.
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3
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101
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December 17, 2025
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Best way to enforce strict puzzle-like constraints in langchain?
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1
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63
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December 16, 2025
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Can you use LangSmith with a Personal Account?
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10
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199
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December 16, 2025
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Cannot create S3 bulk export destination - KMS GenerateDataKey error
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2
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105
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December 7, 2025
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The streaming runs always get stuck indefinitely
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1
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114
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December 3, 2025
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Alert triggering and ignoring filters
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8
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214
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December 2, 2025
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Not able to run experiment on deployed app
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1
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118
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November 25, 2025
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How to use MiddleWare after_model
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1
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140
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November 22, 2025
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Image registration issue
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1
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74
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November 18, 2025
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[Run Experiment] -> Dataset is missing required fields: messages
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1
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226
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November 18, 2025
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How do you update or delete Feedback Tags?
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3
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340
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November 18, 2025
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How to delete traces or runs?
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9
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1229
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November 17, 2025
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Experiment "Failed to Run"
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5
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207
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November 13, 2025
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Send to only OTEL collector: Authentication failed for https://api.smith.langchain.com/runs/multipart. HTTPError('401 Client Error: Unauthorized for url: https://api.smith.langchain.com/runs/multipart'
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1
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129
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November 13, 2025
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Experiments in LangGraph Studio Show “Completed” but No Runs Available
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4
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280
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November 12, 2025
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