2025/11/24 - 1 new 2 updated api methods
Changes New CloudWatch Logs feature - LogGroup Deletion Protection, a capability that allows customers to safeguard their critical CloudWatch log groups from accidental or unintended deletion.
2025/11/19 - 3 updated api methods
Changes Adding support for ocsf version 1.5, add optional parameter MappingVersion
2025/11/18 - 6 new api methods
Changes CloudWatch Logs updates: Added capability to setup a recurring schedule for log insights queries. Logs introduced Scheduled Queries (managed through Create/Update/Get/Delete/List/History Scheduled Query APIs). For more information, see CloudWatch Logs API documentation.
2025/09/16 - 4 updated api methods
Changes Cloudwatch Logs added support for 2 new API parameters in metric and subscription filter APIs to filter log events based on system field values and emit system field values as dimensions and send them to customer destination as additional metadata.
2025/07/18 - 1 new 3 updated api methods
Changes CloudWatchLogs launches GetLogObject API with streaming support for efficient log data retrieval. Logs added support for new AccountPolicy type METRIC_EXTRACTION_POLICY. For more information, see CloudWatch Logs API documentation
2025/07/16 - 10 updated api methods
Changes CloudWatch Logs updates: Added X-Ray tracing for Amazon Bedrock Agent resources. Logs introduced Log Group level resource policies (managed through Put/Delete/Describe Resource Policy APIs). For more information, see CloudWatch Logs API documentation.
2025/06/18 - 3 updated api methods
Changes Added CloudWatch Logs Transformer support for converting CloudTrail, VPC Flow, EKS Audit, AWS WAF and Route53 Resolver logs to OCSF v1.1 format.
2025/05/14 - 1 new 1 updated api methods
Changes This release adds a new API "ListLogGroups" and an improvement in API "DescribeLogGroups"
2025/04/30 - 2 updated api methods
Changes CloudWatch Logs supports "DELIVERY" log class. This log class is used only for delivering AWS Lambda logs to Amazon S3 or Amazon Data Firehose.
2024/12/02 - 4 new 5 updated api methods
Changes Adds PutIntegration, GetIntegration, ListIntegrations and DeleteIntegration APIs. Adds QueryLanguage support to StartQuery, GetQueryResults, DescribeQueries, DescribeQueryDefinitions, and PutQueryDefinition APIs.
2024/11/22 - 9 new 8 updated api methods
Changes Adds "Create field indexes to improve query performance and reduce scan volume" and "Transform logs during ingestion". Updates documentation for "PutLogEvents with Entity".
2024/10/29 - 1 updated api methods
Changes Added support for new optional baseline parameter in the UpdateAnomaly API. For UpdateAnomaly requests with baseline set to True, The anomaly behavior is then treated as baseline behavior. However, more severe occurrences of this behavior will still be reported as anomalies.
2024/10/25 - 1 updated api methods
Changes Adding inferred token name for dynamic tokens in Anomalies.
2024/09/04 - 2 new 3 updated api methods
Changes Update to support new APIs for delivery of logs from AWS services.
2024/08/30 - 1 updated api methods
Changes This release introduces a new optional parameter: Entity, in PutLogEvents request
2024/03/19 - 1 updated api methods
Changes Update LogSamples field in Anomaly model to be a list of LogEvent
2024/02/06 - 1 updated api methods
Changes This release adds a new field, logGroupArn, to the response of the logs:DescribeLogGroups action.
2024/01/10 - 3 updated api methods
Changes Add support for account level subscription filter policies to PutAccountPolicy, DescribeAccountPolicies, and DeleteAccountPolicy APIs. Additionally, PutAccountPolicy has been modified with new optional "selectionCriteria" parameter for resource selection.
2023/12/12 - 1 new api methods
Changes This release introduces the StartLiveTail API to tail ingested logs in near real time.