generated: '2026-09-05'
method: searched
provider: Cancer.gov
providerId: cancer-gov
source: https://docs.gdc.cancer.gov/API/Release_Notes/API_Release_Notes/ and live GET https://api.gdc.cancer.gov/status
scheme: semver, dated release notes
current_version: 8.5.0
coverage_note: Only the GDC API publishes a dated changelog. The Clinical Trials Search API, SEER*API,
  the EVS REST API, MoDaC and the five webapis.cancer.gov services publish no release notes at all — for
  those, the only version signal is info.version inside the spec.
url: https://docs.gdc.cancer.gov/API/Release_Notes/API_Release_Notes/
entries:
- version: 8.5.0
  date: '2026-06-29'
  api: cancer-gov:gdc-api
  breaking: true
  highlights:
  - Survival analysis extended to use additional follow-up data fields and refined case inclusion criteria
    based on vital status.
  - Properties previously deprecated from the GDC Dictionary were removed.
- version: 8.3.0
  date: '2026-03-16'
  api: cancer-gov:gdc-api
  breaking: true
  highlights:
  - Legacy clinical and sample properties removed from the dictionary are now inaccessible via the API.
  - GraphQL API fixed to return available_variation_data as a proper list of strings for nested occurrence
    nodes.
- version: 7.9.1
  date: '2025-05-20'
  api: cancer-gov:gdc-api
  breaking: false
  highlights:
  - Copy number segment API endpoints launched.
  - Survival plot generation corrected to use migrated follow-up data fields for TCGA projects.
- version: 7.7.0
  date: '2024-11-21'
  api: cancer-gov:gdc-api
  breaking: false
  highlights:
  - 'New permission system for internal projects: UUID verification and per-node-type upload permissions.'
- version: 7.5.1
  date: '2024-09-30'
  api: cancer-gov:gdc-api
  breaking: false
  highlights:
  - Quality-control tests added for sample tumor descriptors and follow-up status consistency.
- version: 7.4.1
  date: '2024-07-30'
  api: cancer-gov:gdc-api
  breaking: false
  highlights:
  - API indices extended to include fields from other clinical attribute entity types.
data_releases:
- release: Data Release 46.0
  date: '2026-08-10'
  evidence: live GET https://api.gdc.cancer.gov/status