• Fixed node_pool_class override (#2581, contributed by @tallakh)
• Added retriever to the Search API
• Added deprecated and removed allow_auto_create from the Create or update component template API
• Added allow_auto_create, cause, deprecated, ignore_missing_component_templates and master_timeout to the Create or update index template API
• Added cause, removed flat_settings and timeout from the Create or update index template legacy API
• Removed various unsupported parameters from the Simulate index API
• Added various supported paramters to the Simulate index template API
• Added the completion and rerank task types to the Inference APIs
• Added the query and timeout parameters to the Perform inference API
• Added typed_keys to the Search Application Search API
• Added with_profile_uid to the Get API key information and Query API key information APIs