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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

  • Vehicles: new top-level fields program_acronym, idv_count, total_obligated, is_synthetic_solicitation, latest_award_date, description, opportunity_id, and a live nested organization object (awarding-org snapshot) — tracking the upstream tango vehicles surface.
  • Vehicles: new metrics(*) shape expansion bundling 12 computed metrics: avg_offers_received, award_concentration_hhi, order_concentration_hhi, competed_rate, using_agency_count, avg_order_value, max_order_value, top_recipient_share, recent_obligations_24mo, recent_orders_24mo, days_since_last_order, obligation_to_ceiling_ratio. Backed by a new VehicleMetrics schema.
  • list_vehicle_orders(uuid, ...) for the new /api/vehicles/{uuid}/orders/ endpoint, returning task orders under the vehicle's IDVs with two-phase pagination.
  • ordering parameter on list_vehicles (whitelist: vehicle_obligations, latest_award_date; prefix - for descending) and on list_vehicle_orders (whitelist: award_date, obligated, total_contract_value).
  • ShapeConfig.VEHICLE_ORDERS_MINIMAL default for the new orders endpoint.
  • Vehicle and VehicleMetrics are now exported from the top-level tango package.

Changed

  • ShapeConfig.VEHICLES_MINIMAL and VEHICLES_COMPREHENSIVE now include the new top-level fields and the organization expansion. VEHICLES_COMPREHENSIVE defaults to metrics(*) and no longer pulls the deprecated competition_details(*) blob.

Deprecated

  • Vehicles shape fields agency_details, competition_details, and the opportunity expansion. The upstream API now sends a Deprecation: true header for these and recomputes them at request time. Explicit use in shape=... emits a Python DeprecationWarning. Sunset timeline TBD upstream.

[0.5.0] - 2026-04-08

Added

  • IT Dashboard investments: list_itdashboard_investments, get_itdashboard_investment (/api/itdashboard/) with shaping and filter params (search, agency_code, agency_name, type_of_investment, updated_time_after, updated_time_before, cio_rating, cio_rating_max, performance_risk). Tier-gated by the API: free tier gets search, pro adds structured filters, business+ adds CIO/performance analytics. New ITDashboardInvestment model and ShapeConfig.ITDASHBOARD_INVESTMENTS_MINIMAL / ITDASHBOARD_INVESTMENTS_COMPREHENSIVE defaults.

[0.4.4] - 2026-03-25

Added

  • parent_piid filter parameter on list_contracts for filtering orders under a specific parent IDV PIID.
  • user_agent and extra_headers parameters on TangoClient for custom request headers.
  • TangoClient.last_response_headers property for accessing full HTTP headers from the most recent API response.

[0.4.3] - 2026-03-21

Added

  • TangoRateLimitError now exposes wait_in_seconds, detail, and limit_type properties parsed from the API's 429 response body.
  • RateLimitInfo dataclass for structured access to rate limit headers (X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset, and per-window daily/burst variants).
  • TangoClient.rate_limit_info property returns rate limit info from the most recent API response.

Changed

  • _request now passes the full 429 response body to TangoRateLimitError (previously discarded), enabling callers to access wait_in_seconds and the specific limit type that was exceeded.

[0.4.2] - 2026-03-04

Added

  • Protests endpoints: list_protests, get_protest with shaping and filter params (source_system, outcome, case_type, agency, case_number, solicitation_number, protester, filed_date_after, filed_date_before, decision_date_after, decision_date_before, search).

Changed

  • Lint CI workflow disabled for push/PR (runs only on manual trigger) until the private makegov/tango repo is accessible to the workflow.
  • Updated documents to reflect changes since v0.4.0
  • Entities: ENTITIES_COMPREHENSIVE now uses federal_obligations(*) expansion; the API treats federal obligations as an expansion rather than a plain shape field.
  • Docs: SHAPES.md documents federal_obligations(*) as an expansion for entity shaping.
  • Integration tests: test_parsing_nested_objects_with_missing_data accepts award office fields (office_code, agency_code, department_code) and empty nested objects when the API returns partial data.

Removed

  • Assistance: list_assistance endpoint and all related tests, docs, and references.
  • IDV summaries: get_idv_summary and list_idv_summary_awards endpoints and related integration tests, cassettes, and API reference section.

[0.4.1] - 2026-03-03

Added

  • GSA eLibrary contracts: list_gsa_elibrary_contracts, get_gsa_elibrary_contract with shaping and filter params (contract_number, key, piid, schedule, search, sin, uei).

Changed

  • Conformance: replaced **kwargs/**filters with explicit filter parameters on list_contracts, list_idvs, list_entities, list_forecasts, list_grants, list_notices, list_opportunities for full filter/shape conformance. Backward compatibility preserved for list_contracts(filters=SearchFilters(...)).

[0.4.0] - 2026-02-24

Added

  • Offices, Organizations, OTAs, OTIDVs, Subawards, NAICS, and Assistance endpoints.
  • Filter/shape conformance tooling and documentation.

Changed

  • CI lint workflow runs filter/shape conformance when the manifest is available.

[0.3.0] - 2026-02-09

Added

  • Vehicles endpoints: list_vehicles, get_vehicle, and list_vehicle_awardees (supports shaping + flattening). (refs makegov/tango#1328)
  • IDV endpoints: list_idvs, get_idv, list_idv_awards, list_idv_child_idvs, list_idv_transactions, get_idv_summary, list_idv_summary_awards. (refs makegov/tango#1328)
  • Webhooks v2 client support: event type discovery, subscription CRUD, endpoint management, test delivery, and sample payload helpers. (refs makegov/tango#1274)

Changed

  • Expanded explicit schemas to support common IDV shaping expansions (award offices, officers, period of performance, etc.).
  • HTTP client now supports PATCH/DELETE helpers for webhook management endpoints.

[0.2.0] - 2025-11-16

  • Entirely refactored SDK