generated: '2026-07-21'
method: searched
source: https://docs.lightcone.ai/guides/changelog
versioning:
  scheme: model-version pinning + additive API changes
  docs: https://docs.lightcone.ai/guides/changelog
  notes: >-
    Pin fully versioned model IDs in production (tzafon.northstar-cua-fast-1.6,
    not unversioned aliases); API field additions are optional and additive.
    APIs marked beta can change with notice via the changelog page.
deprecation:
  policy_url: https://docs.lightcone.ai/guides/changelog
  deprecation_header: true    # deprecated fields receive Deprecation response header
  sunset_header: true         # RFC 8594 Sunset header announces removal date
  notes: >-
    Deprecated fields and endpoints keep working through the sunset date
    announced in the Deprecation and Sunset response headers, and are listed
    on the changelog page. Example: timeout_seconds/auto_kill on computer
    creation deprecated in favor of max_lifetime_seconds/idle_timeout_enabled
    (removal after 2026-06-06).
status_page: https://tzafon.instatus.com/
deprecated_operations: []
deprecated_fields:
  - resource: computers.create
    fields: [timeout_seconds, auto_kill]
    replacements: [max_lifetime_seconds, idle_timeout_enabled]
    sunset: '2026-06-06'