chore: add missing change logs

docs/en/changelog.mdx

@@ -4,6 +4,74 @@ description: "Product updates, improvements, and bug fixes for CrewAI"
 icon: "clock"
 mode: "wide"
 ---
+<Update label="Jan 26, 2026">
+  ## v1.9.0
+
+  [View release on GitHub](https://github.com/crewAIInc/crewAI/releases/tag/1.9.0)
+
+  ## What's Changed
+
+  ### Features
+  - Add structured outputs and response_format support across providers
+  - Add response ID to streaming responses
+  - Add event ordering with parent-child hierarchies
+  - Add Keycloak SSO authentication support
+  - Add multimodal file handling capabilities
+  - Add native OpenAI responses API support
+  - Add A2A task execution utilities
+  - Add A2A server configuration and agent card generation
+  - Enhance event system and expand transport options
+  - Improve tool calling mechanisms
+
+  ### Bug Fixes
+  - Enhance file store with fallback memory cache when aiocache is not available
+  - Ensure document list is not empty
+  - Handle Bedrock stop sequences properly
+  - Add Google Vertex API key support
+  - Enhance Azure model stop word detection
+  - Improve error handling for HumanFeedbackPending in flow execution
+  - Fix execution span task unlinking
+
+  ### Documentation
+  - Add native file handling documentation
+  - Add OpenAI responses API documentation
+  - Add agent card implementation guidance
+  - Refine A2A documentation
+  - Update changelog for v1.8.0
+
+  ### Contributors
+  @Anaisdg, @GininDenis, @Vidit-Ostwal, @greysonlalonde, @heitorado, @joaomdmoura, @koushiv777, @lorenzejay, @nicoferdi96, @vinibrsl
+
+</Update>
+
+<Update label="Jan 15, 2026">
+  ## v1.8.1
+
+  [View release on GitHub](https://github.com/crewAIInc/crewAI/releases/tag/1.8.1)
+
+  ## What's Changed
+
+  ### Features
+  - Add A2A task execution utilities
+  - Add A2A server configuration and agent card generation
+  - Add additional transport mechanisms
+  - Add Galileo integration support
+
+  ### Bug Fixes
+  - Improve Azure model compatibility
+  - Expand frame inspection depth to detect parent_flow
+  - Resolve task execution span management issues
+  - Enhance error handling for human feedback scenarios during flow execution
+
+  ### Documentation
+  - Add A2A agent card documentation
+  - Add PII redaction feature documentation
+
+  ### Contributors
+  @Anaisdg, @GininDenis, @greysonlalonde, @joaomdmoura, @koushiv777, @lorenzejay, @vinibrsl
+
+</Update>
+
 <Update label="Jan 08, 2026">
   ## v1.8.0