generated: '2026-08-12' method: searched source: https://experienceleague.adobe.com/en/docs/workfront/using/adobe-workfront-api/api-notes/api-version-support-schedule versioning: scheme: uri-path current: v22.0 cadence: roughly two API versions per year support_window: 3 years from release default_when_unspecified: the instance's configured Default Version docs: https://experienceleague.adobe.com/en/docs/workfront/using/adobe-workfront-api/api-notes/specify-api-version-integrations note: Adobe publishes a full, dated release-and-retirement table for every API version. That is unusually explicit for this category — most work-management vendors publish neither a support window nor a retirement date. api_versions: - version: 22 released: '2026-05-08' unsupported: during 2029 (with the 29.4 release) - version: 21 released: '2025-10-23' unsupported: during 2028 (with the 28.10 release) - version: 20 released: '2025-05-04' unsupported: during 2028 (with the 28.4 release) note: the legacy Workfront connector for Workfront Fusion is pinned to API v20 and will keep working until the 28.4 release (April 2028) - version: 19 released: '2024-10-10' unsupported: during 2027 (with the 27.10 release) - version: 18 released: '2024-04-08' unsupported: during 2027 (with the 27.4 release) - version: 17 released: '2023-10-12' unsupported: during 2026 (with the 26.10 release) - version: 16 released: '2023-04' unsupported: during 2026 (with the 26.4 release) - version: 15 released: '2022-H1' unsupported: during 2025 deprecated: '2025-12-18' - version: 14 released: '2021-10' unsupported: '2024-10' deprecated: '2025-09-30' - version: 13 released: '2021-06' unsupported: '2024-10' deprecated: '2025-09-30' - version: 12 released: '2020-H2' unsupported: '2023-10' deprecated: '2025-09-30' - version: 11 released: '2020-H1' unsupported: '2023-04' deprecated: '2025-09-30' planning_api_versions: - version: 1 released: '2024-07' status: supported note: still the version the Workfront Planning connector for Workfront Fusion targets - version: 2 released: '2026-05' status: current note: 'Adobe states the previous major version stays available until a deprecation date is communicated; no v1 sunset date has been published.' deprecation: policy_url: https://experienceleague.adobe.com/en/docs/workfront/using/adobe-workfront-api/api-notes/api-version-support-schedule policy: API versions are supported for 3 years after release; versions older than 3 years become unsupported and are then deprecated on a published date. sunset_header: false deprecation_header: false note: Workfront publishes retirement dates in documentation but does not advertise RFC 8594 Sunset/Deprecation response headers, so an agent cannot detect an approaching retirement at runtime — only by reading the schedule page. release_process: models: [quarterly, fast (monthly)] window: Thursday of the second full week of the month, releases run 8-10 PM US Mountain Time the evening before preview_lead_time: features sit in the Preview Sandbox for a minimum of 2-4 weeks before Production maintenance_updates: weekly issue fixes to Production docs: https://experienceleague.adobe.com/en/docs/workfront/using/product-announcements/product-releases/workfront-release-schedule status_page: https://status.adobe.com/ known_issues: https://experienceleague.adobe.com/en/docs/workfront-known-issues/releases/current-updates sla: url: null note: no public uptime SLA target published for Workfront; commitments are contractual, via the Adobe product description and support package deprecated_operations: []