> ## Documentation Index > Fetch the complete documentation index at: https://docs.cirron.com/llms.txt > Use this file to discover all available pages before exploring further. # SDK changelog > Per-release notes for the Cirron SDK, including new APIs, schema changes, framework hook updates, bug fixes, and migration tips between versions. ## Initial Release The Cirron Python SDK is now generally available on PyPI. It is a profiler that attaches to the running process with one line, captures what's happening inside training and inference, and writes open artifacts that work standalone or stream to the platform. ### `ci.profile()`: one line, no scope wrapping * Auto-detects PyTorch, TensorFlow / Keras, and HuggingFace Transformers and installs hooks without scope wrappers or callbacks * Same zero-touch experience for `Trainer.train()`, `model.fit()`, and plain training loops ### What gets captured automatically * Per-epoch and per-batch wall time, GPU seconds, and memory peak * Weight and gradient statistics (mean, std, norm, histogram) per epoch * DataLoader stall time broken out from compute time * `ci.mark()` for user metrics alongside the auto-captured signals ### `ci.load()`: unified data loader * Returns pandas, polars, Arrow, or `datasets.Dataset` based on the optional extras installed * Reads from local files, object storage (S3, GCS, Azure Blob), and SQL warehouses (Postgres, MySQL, Databricks, Snowflake) ### `@ci.inference`: serving instrumentation * Decorator-based capture of p50 / p95 / p99 latency, throughput, error rate, and cost-per-request * Token counts and time-to-first-token surface automatically for LLM endpoints ### Local-first, platform-optional * Writes structured JSON spans and safetensors snapshots to `./.cirron/` with no credentials required * Set `CIRRON_API_KEY` to stream to the platform; pipeline, deployment, and run context are injected automatically inside Cirron-managed environments * Snapshot modes for full, sampled, and stats-only captures [Read the SDK documentation →](/sdk/introduction)