Problemsby GlyphRAG on Chroma returns irrelevant or missing context
2 posts from 2 people2d activeSteady, +1 this weekunverified
Posts per day
The posts behind it
[Bug]: HNSW permanently loses vectors added while the collection was small, once a much larger batch is added (raising ef_search doesn't help)
### What happened? Vectors that were written while a collection was small become hard or impossible to find once a much larger set of vectors is added after them. Querying such a vector **with its own embedding** doesn't return it in the top 6. `count()` includes them and a...
[BUG] GithubLoader returns unknown source instead of repository URL
## Description `GithubLoader.load()` returns `LoaderResult.source == "unknown"` although `metadata["source"]` contains the repository URL. The return statement omits the existing `source` field, so Pydantic supplies its default. Direct consumers lose source attribution. The...
Companies and products named
About this problem
Evidence
2 posts from 2 people in 2 places, about 1 a week over 19 days. Mostly on crewAIInc/crewAI, chroma-core/chroma. Tools named alongside: GitHub.
Frustration Frustration 3 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "rag-retrieval" rule about Chroma. First post Oct 9, 2026, latest Oct 27, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
RAG retrieval returns irrelevant or missing context
18 posts from 18 people on GitHub issues, Reddit, Hacker News.
RAG on GitHub returns irrelevant or missing context
10 posts from 8 people on GitHub issues, Reddit.
RAG on LangChain returns irrelevant or missing context
8 posts from 7 people on Reddit, GitHub issues, Stack Overflow.
RAG on Anthropic returns irrelevant or missing context
4 posts from 4 people on GitHub issues, Reddit.
RAG on LlamaIndex returns irrelevant or missing context
3 posts from 3 people on GitHub issues.
RAG on OpenAI returns irrelevant or missing context
3 posts from 3 people on GitHub issues.
RAG on Qdrant returns irrelevant or missing context
3 posts from 2 people on GitHub issues.
RAG on vLLM returns irrelevant or missing context
3 posts from 3 people on GitHub issues.
RAG on Claude returns irrelevant or missing context
3 posts from 3 people on Reddit, GitHub issues.
RAG on PyTorch returns irrelevant or missing context
3 posts from 3 people on GitHub issues, Mastodon.
RAG on Gemini returns irrelevant or missing context
2 posts from 1 person on GitHub issues. Unverified.
RAG on Vercel returns irrelevant or missing context
2 posts from 2 people on GitHub issues. Unverified.
Other Chroma problems
Chroma users keep filing bugs
Top post: "There are multiple vulnerabilities in latest version of chromadb 1.5.9, which are getting added transitively", one of 4 posts from 3 people on GitHub issues.
Chroma GPU access and drivers are painful
2 posts from 1 person on GitHub issues. Unverified.
History