Langflow OSS 1.12 is released! This version adds OpenTelemetry support.
Before you upgrade to version 1.12, check the release notes for packaging and install changes in this release.
Possible breaking change: Extension bundles
Langflow 1.12 completes the Langflow Extensions bundles transition that began in Langflow 1.10.
This transition aims to minimize the default Langflow installation size, decouple Langflow from external release cadences, and allow developers to install only what their flows require.
uv pip install langflow now includes only a curated provider set, and opt-in providers must be installed separately in your Langflow virtual environment.
If your flows use any opt-in providers, install them after upgrading Langflow.
To install all of the opt-in providers with one command, run:
uv pip install "langflow[bundles]"
To install a single package, such as Exa, run:
uv pip install lfx-exa
Saved flows continue to open normally, and existing component class names remain compatible. If a required provider package is not installed, the component will remain visible in the builder, but the flow won't build or run until the package is installed. Langflow will display an error indicating which package needs to be installed.
For more information, see the Langflow Extensions overview.
OpenTelemetry
Langflow emits OpenTelemetry traces, metrics, and logs that describe the health of the Langflow service itself.
Langflow speaks plain OTLP, so any OpenTelemetry-compatible backend works, including NewRelic and Instana.
To enable it, set the following environment variables before starting Langflow:
OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318 OTEL_SERVICE_NAME=langflow
For more information, see the Langflow docs.
There's more to come
For the full list of changes in Langflow OSS 1.12, see the release notes or the full release on GitHub.
We're committed to continuously improving Langflow, and your input is crucial to this process. If you want to get more involved you can:
- Join our Discord community to network with other developers
- Explore our GitHub repository to contribute to the project or 🌟 the project
- Subscribe to our YouTube channel for step-by-step guides on using Langflow
- Stay updated on the latest AI trends and insights by subscribing to the AI++ newsletter
We're excited to see the projects you'll create with the Langflow 1.12 open-source package. Check out the 1.12.0 release on GitHub and get building!
Langflow Desktop 1.12 will be released soon. In the meantime, visit Download Langflow Desktop to install the current desktop version.
