Release v1.28.3 (#2456)

Release v1.28.3

Author: Quinn-With-Two-Ns

releases/v1.28.3

@@ -0,0 +1,3 @@
+# What's Changed
+
+2025-03-20 - eed7525d - Revert "Unblock UseExisting conflict policy for Nexux WorkflowRunOperation (#2440)"

temporal-sdk/src/main/java/io/temporal/nexus/WorkflowRunOperation.java

@@ -22,21 +22,8 @@
 
 import io.nexusrpc.handler.*;
 import io.nexusrpc.handler.OperationHandler;
-import io.temporal.api.enums.v1.WorkflowIdConflictPolicy;
-import io.temporal.client.WorkflowOptions;
 
-/**
- * WorkflowRunOperation can be used to map a workflow run to a Nexus operation
- *
- * <h3>Pre-release feature: Attaching multiple Nexus callers to an underlying handler Workflow:</h3>
- *
- * <p>{@link WorkflowOptions#getWorkflowIdConflictPolicy()} is by default set to fail if a workflow
- * is already running. That is, if a caller executes another operation that starts the same
- * workflow, it will fail. You can set it to {@link
- * WorkflowIdConflictPolicy#WORKFLOW_ID_CONFLICT_POLICY_USE_EXISTING} to attach the caller's
- * callback to the existing running workflow. This way, all attached callers will be notified when
- * the workflow completes.
- */
+/** WorkflowRunOperation can be used to map a workflow run to a Nexus operation */
 public final class WorkflowRunOperation {
   /**
    * Maps a workflow method to an {@link io.nexusrpc.handler.OperationHandler}.