Problemsby GlyphTrouble with Anthropic chunk
2 posts from 2 people2d activeFading, +0 this weekunverified
Posts per day
The posts behind it
TextSplitter add_start_index can select a later duplicate and corrupt all following chunk indices
### Submission checklist - [x] This is a bug, not a usage question. - [x] I added a clear and descriptive title that summarizes this issue. - [x] I used the GitHub search to find a similar question and didn't find it. - [x] I am sure that this is a bug in LangChain rather than...
Test PIIMiddleware stream redaction at every chunk split
### Submission checklist - [x] This is a feature request, not a bug report or usage question. - [x] I added a clear and descriptive title that summarizes the feature request. - [x] I used the GitHub search to find a similar feature request and didn't find it. - [x] I checked the...
Companies and products named
About this problem
Evidence
2 posts from 2 people in 1 place, about 1 a week over 10 days. Mostly on langchain-ai/langchain. Tools named alongside: OpenAI, Perplexity, DeepSeek, Ollama.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Anthropic with no known issue, sharing the word "chunk". First post Sep 28, 2026, latest Oct 7, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
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Top post: "core: filter_messages(exclude_tool_calls=[...]) does not remove invalid_tool_calls", one of 6 posts from 5 people on GitHub issues.
Trouble with Anthropic crashes
Top post: "Streaming parser crashes when a tool-call delta has function=None", one of 4 posts from 4 people on GitHub issues.
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Trouble with Anthropic inside
Top post: "Agentic run with dynamic filtering (web_search_20260209 inside code_execution) rejected with code_execution", one of 3 posts from 3 people on GitHub issues.
Trouble with Anthropic instead
Top post: "Tool `config: RunnableConfig` parameter receives the parent config instead of the child config, so nested", one of 3 posts from 3 people on GitHub issues.
Anthropic lock-in makes switching costly
3 posts from 3 people on GitHub issues, Hacker News.
History