generated: '2026-07-20' method: searched source: https://github.com/Nixtla/nixtla/blob/main/CHANGELOG.md scheme: semver subject: nixtla Python SDK (client for the Nixtla / TimeGPT API) api_version: 0.2.8 note: >- Nixtla publishes a dated release changelog for the `nixtla` Python SDK on GitHub; the REST API itself is versioned via the /v2 URI path and the OpenAPI info.version (0.2.8). Recent window captured below. entries: - version: 0.6.6 breaking: false highlights: - Added `online_anomaly_detection` method with configurable `detection_size`. - version: 0.6.5 breaking: false highlights: - Persist fine-tuned models for reuse across methods. - Automatic zstd compression for requests over 1MB. - Added `refit` argument to `cross_validation` for faster execution. - version: 0.6.4 breaking: false highlights: - Support for integer timestamps and custom pandas frequencies. - New `usage` method for API-call tracking. - Historical exogenous variables in cross-validation. - version: 0.6.0 breaking: false highlights: - Migrated to V2 API endpoints for lower latency. - orjson serialization for improved performance. - Feature-contribution outputs in forecasts.