# What changed in langchain-ollama

> 10 changes in langchain-ollama 1 from its official release notes, upgrade guides and advisories: 1 breaking, 3 new APIs and options. Each one cited. Sources checked 2026-10-19. HTML: https://unstale.sh/pypi/langchain-ollama/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## langchain-ollama 1

### Breaking changes

- An error is raised when clients are not initialized. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)

### New APIs and options

- OllamaEmbeddings adds dimensions. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)
- Ollama supports logprobs. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)
- Ollama supports response_format. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)

### Fixes and other changes

- Scheme-less base_url values are respected. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)
- Message conversion no longer mutates the caller's list. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)
- reasoning_content is serialized back to Ollama as thinking. (1.1.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.1.0)
- Pops the unsupported strict argument in ChatOllama. (1.0.1) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.0.1)
- None parameters are excluded from the options dictionary passed to Ollama. (1.0.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.0.0)
- Python 3.14 is supported in various projects. (1.0.0) — [release notes](https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama%3D%3D1.0.0)