generated: '2026-08-19' method: searched source: https://developer.cisco.com/docs/catalyst-center/api-changelog/ scheme: controller release versions (M.N.P[.Q]); the API changelog is organized per Catalyst Center release current_version: 3.1.6 note: Cisco publishes a per-release API changelog on DevNet listing added, changed, deprecated and sunset operations. Recent window captured below; the live page remains the source of truth. entries: - version: 3.1.6 date: '2025-12-18' breaking: false additions: - 'Devices: discovery create/fetch/stop, network device management, credential export and validation' - 'Network Settings: global credential management' - 'Security: traffic steering policies and contracts with analytics' - 'Wireless: LSC certificate renewal profiles and controller certificate renewal' - 'System: software management and release operations' changes: - GET /dna/intent/api/v1/networkDevices/${id} gains a Credentials response view - Wireless 802.11be profiles gain MLO group parameters (primary24ghzEnable, primary5ghzEnable) deprecations: - 802.11be profile parameters ofdmaDownLink, ofdmaUpLink, muMimoDownLink, muMimoUpLink - version: 3.1.5 date: '2025-10-01' breaking: true additions: - 'Compliance: policy, rule, condition and variable management' - 'Devices: filter groups and associations' - 'User/Roles: access groups and role management v2' - Backup operations with NFS configuration changes: - Minimum device resync interval raised from 25 minutes to 6 hours; devices configured below the threshold auto-adjust deprecations: - 'User/Roles v1 marked Sunset: POST /dna/system/api/v1/role plus role delete, retrieve, update and permissions' - version: 2.3.7.10 date: '2025-08-28' breaking: false additions: - 'Clients: enrichment details endpoints (v2)' changes: - reachabilityHealthStatus added to device response endpoints - configureDevice query parameter added to credential sync deprecations: [] - version: 3.1.3 date: '2025-06-16' breaking: false additions: - 'Applications: trend and summary analytics, ThousandEyes test results' - 'Backup: full backup and restore workflow' - 'Energy analytics: trend and summary for devices, clients and sites' - 'Industrial configuration: REP and MRP ring management' - 'SWIM: device image operations with validation and bulk actions' - 'Wireless: feature templates (Event Driven RRM, Multicast, Dot11ax)' - Campus Automation Beta operations changes: - Devices operations support adding or updating voice VLAN - System operations extended to authorize one or more devices deprecations: - Configuration Archive GET /dna/intent/api/v1/network-device-config deprecated - SWIM image distribution and activation endpoints sunset - SD-Access fabric get/count/add/delete deprecated (SD-Access operations are Beta) - version: 2.3.7.9 date: '2025-03-03' breaking: false additions: - 'Applications: network application listing with health metrics' - 'Application Policy: QoS settings, telemetry and CBAR feature management' - 'Compliance: bug, field notice and security advisory scans' - 'Configuration Templates: versioning and network profile attachment' - 'Services analytics: AAA, DHCP and DNS service data' - 'Site Design: areas, buildings, floors and AP positioning' changes: [] deprecations: - Multiple SD-Access endpoints marked sunset (fabric management, authentication profiles, virtual networks) - Legacy Security Advisory and SWIM endpoints deprecated - version: 2.3.7.6 date: '2024-08-02' breaking: false additions: - Trusted certificate import - 'Clients: trend, summary and top-N analytics' - 'Devices: resync interval, health score definitions, assurance events' - 'Network interfaces: statistics and analytics' - 'Issues: custom and system issue definitions with resolution tracking' - 'Licenses: smart licensing and CSSM connection management' - 'Network settings: per-site DNS, DHCP, NTP, AAA, timezone, banner, telemetry' - 'SD-Access: multicast, port channels, transit/layer networks, fabric wireless' changes: [] deprecations: []