Nexus pre-release

⚠️ EXPERIMENTAL - APIs may change in a future release ⚠️

See the proposal for usage instructions.

Self hosted users can try Nexus out in single cluster deployments with server version 1.25.0-rc.0- not meant for production use.

Temporal Cloud users may reach out and open a support ticket to request access to the pre-release.

To use Nexus with the temporalCLI dev server:

download CLI 0.14.0-nexus.0to the current directory:
curl -sSf https://temporal.download/cli.sh | sh -s -- --version v0.14.0-nexus.0 --dir .
run the dev server with the required configs:
./temporal server start-dev --dynamic-config-value system.enableNexus=true --http-port 7243

Warn on unfinished handlers

The SDK will now WARNby default if a workflow is completed by the SDK with unfinished update handlers. Users can use workflow.AllHandlersFinishedto wait for all handlers to be finished or set UnfinishedPolicyin UpdateHandlerOptions.

Add Workflow safe Mutex and Semaphore

This release includes new helper interfaces workflow.Mutexand workflow.Semaphorethat are workflow safe versions of a mutex and semaphore. These interfaces are to help users synchronize sensitive business logic across multiple coroutines or update handlers.

Release notes