generated: '2026-07-20'
method: searched
source: https://rasa.com/docs/reference/changelogs/rasa-pro-changelog/
scheme: semver
current_version: 3.18.0
note: >-
  Rasa Pro follows Semantic Versioning from 3.3 onward; the changelog documents
  changes across two deployable artifacts (Rasa Pro and Rasa Pro Services).
entries:
  - version: 3.18.0
    date: '2026-07-20'
    breaking: true
    highlights:
      - Removed deprecated LanguageModelFeaturizer
      - Local document retrieval for Copilot
      - Native vector store SDKs (FAISS, Qdrant, Milvus) — requires model retraining
      - Fixed custom action state persistence; additional security patches
  - version: 3.17.2
    date: '2026-07-13'
    breaking: false
    highlights:
      - Fixed E2E test conftest discovery
      - Restored boto3 dependency range for AWS Bedrock compatibility
  - version: 3.17.1
    date: '2026-07-07'
    breaking: false
    highlights:
      - Removed LanguageModelFeaturizer NLU component (CVE-2026-1839)
      - Hardened deserialization across runtime
  - version: 3.17.0
    date: '2026-06-23'
    breaking: false
    highlights:
      - Langfuse LLM observability integration
      - Custom action streaming support
      - A2A sub-agent protocol; JWT authentication for A2A
      - Deepgram Flux ASR; MCP credential hooks
      - AWS Marketplace license validation
  - version: 3.16.19
    date: '2026-07-15'
    breaking: false
    highlights:
      - Fixed multiple Langfuse session IDs in DUT runs
      - E2E test metadata handling; credentials argument defaults
  - version: 3.16.18
    date: '2026-07-07'
    breaking: false
    highlights:
      - Removed LanguageModelFeaturizer
      - Hardened webhook payload validation