generated: '2026-07-20'
method: searched
source: https://api.litmus.io/reference/changelog-le.md
docs:
- https://api.litmus.io/reference/changelog-le.md
- https://api.litmus.io/reference/changelog-lem.md
scheme: semver-per-product
notes: 'Litmus versions each product independently and publishes API migration changelogs
  in its API portal. Litmus Edge current line 4.0.x (from 3.16.x); Litmus Edge Manager
  current line 2.31.x (from 2.26.x).'
products:
- product: Litmus Edge
  current: 4.0.x
  previous: 3.16.x
- product: Litmus Edge Manager
  current: 2.31.x
  previous: 2.26.x
- product: Litmus Unify
  current: 2.0.0+
entries:
- product: Litmus Edge
  version: 4.0.x
  breaking: true
  highlights:
  - Analytics migrated from REST to GraphQL (POST /analytics/v3); REST still supported
    but not recommended.
  - Integrations migrated from REST to GraphQL; added CloudSync APIs for cloud storage
    connections and scheduled sync jobs.
  - Digital Twins — added full lifecycle management (CRUD) and state transitions,
    parameter schemas and per-twin parameter value management.
  - Templates API moved from /dm/template to /config/template + /config/session; old
    /dm/template endpoints deprecated.
  - DeviceHub and Digital Twins now GraphQL (POST /devicehub/v2, POST /digital-twins).
- product: Litmus Edge Manager
  version: 2.31.x
  breaking: false
  highlights:
  - Added device-level user management, Digital Twin v2 attribute parameters, service-level
    notifications, git tracking, asset management roles, AI assistant settings, admin-console
    instance alerts, and improved admin-level log querying.
  deprecated:
  - All /licenses/ endpoints (moving to /licenses2).
  - Digital Twins /dt2/{static-attribute,dynamic-attribute} POST and DELETE.
  - All /firmware/job endpoints.
  removed:
  - Device polling /device/poll/exec endpoints.