We are happy to release KEDA v2.12 🎉

Here are some highlights:

• New Google Cloud Tasks scaler
• New apache-kafka scaler (Experimental)
• Support for formula-based evaluation of metric values (Experimental)
• Support for pushing operational metrics to an OpenTelemetry Collector (Experimental)

This release has no new deprecations.

Learn how to deploy KEDA by reading our documentation.

🗓️ The next KEDA release is currently being estimated for January 11th, 2024 (planned later due to holidays), learn more in our roadmap.

New

• General: Introduce new Google Cloud Tasks scaler (#3613)
• AWS SQS Scaler: Support for scaling to include delayed messages. (#4377)
• Governance: KEDA transitioned to CNCF Graduated project (#63)

Experimental

Here is an overview of all new experimental features:

• General: New apache-kafka scaler based on kafka-go library (#4692)
• General: Support for formula-based evaluation of metric values (#2440|#4998)
• General: Introduce pushing operational metrics to an OpenTelemetry Collector (#3078)

Improvements

• General: Introduce Prometheus metrics of API server to KEDA Metric Server (#4460)
• General: Show ScaledObject/ScaledJob names to output of kubectl get triggerauthentication/clustertriggerauthentication (#796)
• General: Introduce standalone CRD generation to release workflow (#2726)
• General: Introduce changelog validation check during PR for formatting and order violations (#3190)
• General: Automatically set GOMAXPROCS to match Linux container CPU quota (#4999)
• General: Configurable Kubernetes cluster domain for Cert Manager (#4861)
• General: Provide new Kubernetes events about internal state and scaling (#3764)
• General: Introduce annotation autoscaling.keda.sh/paused: true for ScaledObject to pause autoscaling (#3304)
• General: Updated AWS SDK and updated all the AWS scalers (#4905)
• Azure Pod Identity: Introduce validation to prevent usage of empty identity ID for Azure identity providers (#4528)
• Kafka Scaler: Add unsafeSsl flag for kafka scaler (#4977)
• Prometheus Scaler: Remove trailing whitespaces in customAuthHeader and customAuthValue (#4960)
• Pulsar Scaler: Support for OAuth extensions (#4700)
• Redis Scalers: Support for TLS authentication for Redis & Redis stream scalers (#4917)

Fixes

• General: Add validations for stabilizationWindowSeconds (#4976)
• RabbitMQ Scaler: Allow subpaths along with vhost in connection string (#2634)
• Selenium Grid Scaler: Fix scaling based on latest browser version (#4858)
• Solace Scaler: Fix a bug where queueName is not properly escaped during URL encode (#4936)

You can find all deprecations in this overview and join the discussion here.

New deprecation(s):

• None.

Breaking Changes

• General: Remove deprecated metricName from trigger metadata section (#4899)

Other

• General: Fixed a typo in the StatefulSet scaling resolver (#4902)
• General: Only show logs with a severity level of ERROR or higher in the stderr in metrics server (#4049)
• General: Refactor ScaledJob related methods to be located at scale_handler (#4781)
• General: Replace deprecated set-output command with environment file in GitHub Actions workflows (#4914)

New Contributors

• @Indresh2410 made their first contribution in https://github.com/kedacore/keda/pull/4735
• @Dylan-KW made their first contribution in https://github.com/kedacore/keda/pull/4763
• @SpiritZhou made their first contribution in https://github.com/kedacore/keda/pull/4668
• @aashish-19 made their first contribution in https://github.com/kedacore/keda/pull/4822
• @Adarsh-verma-14 made their first contribution in https://github.com/kedacore/keda/pull/4815
• @atzawada made their first contribution in https://github.com/kedacore/keda/pull/4814
• @nitishchauhan0022 made their first contribution in https://github.com/kedacore/keda/pull/4731
• @drmorr0 made their first contribution in https://github.com/kedacore/keda/pull/4902
• @phr3nzii made their first contribution in https://github.com/kedacore/keda/pull/4900
• @jongwooo made their first contribution in https://github.com/kedacore/keda/pull/4915
• @AmorBielyi made their first contribution in https://github.com/kedacore/keda/pull/4584
• @jeevanragula made their first contribution in https://github.com/kedacore/keda/pull/4953
• @Amir-Wollman made their first contribution in https://github.com/kedacore/keda/pull/4959
• @mingmcb made their first contribution in https://github.com/kedacore/keda/pull/4709
• @BojanZelic made their first contribution in https://github.com/kedacore/keda/pull/4982
• @sansmoraxz made their first contribution in https://github.com/kedacore/keda/pull/4801
• @Taction made their first contribution in https://github.com/kedacore/keda/pull/4979
• @testwill made their first contribution in https://github.com/kedacore/keda/pull/5004

Full Changelog: https://github.com/kedacore/keda/compare/v2.11.0...v2.12.0