9.1.0

Enhancements

• ES|QL query builder (technical preview) (#2997)
• Update OpenTelemetry conventions (#2999)
• Add option to disable accurate reporting of file and line location in warnings (Fixes #3003) (#3006)

APIs

• Remove if_primary_term, if_seq_no and op_type from Create API
• Remove master_timeout from Ingest Get Ip Location Database API
• Remove application, priviledge and username from the Security Get User API
• Rename type_query_string to type in License Post Start Trial API
• Add require_data_stream to Index API
• Add settings_filter to Cluster Get Component Template API
• Add cause to Cluster Put Component Template API
• Add master_timeout to Cluster State API
• Add ccs_minimize_roundtrips to EQL Search API
• Add keep_alive and keep_on_completion to ES|QL Async Query API
• Add format to ES|QL Async Query Get API
• Add ES|QL Get Query and List Queries APIs
• Add Indices Delete Data Stream Options API
• Add Indices Get Data Stream Options and Put Data Stream Options APIS
• Add Indices Get Data Stream Settings and Put Data Stream Settings APIs
• Add allow_no_indices, expand_wildcards and ignore_available to Indices Recovery API
• Add Indices Remove Block API
• Add Amazon Sagemaker to Inference API
• Add input_type to Inference API
• Add timeout to all Inference Put APIs
• Add Inference Put Custom API
• Add Inference Put DeepSeek API
• Add task_settings to Put HuggingFace API
• Add refresh to Security Grant API Key API
• Add wait_for_completion to the Snapshot Delete API
• Add state to Snapshot Get API
• Add refresh to Synonyms Put Synonym, Put Synonym Rule and Delete Synonym Rule APIs

DSL

• Handle lists in copy_to option in DSL field declarations correctly (Fixes #2992) (#2993)
• Add index_options to SparseVector type
• Add SparseVectorIndexOptions type
• Add key to FiltersBucket type

Other changes

• Drop support for Python 3.8 (#3001)