temporalio · jsundai · Sep 15, 2026 · Sep 9, 2026 · Sep 9, 2026 · Sep 9, 2026
@@ -134,6 +134,15 @@ For detailed discussion of this tradeoff, see [How many Activities should I use
 [Child Workflows cost 2 Actions](/cloud/actions#workflow) compared to an Activity's 1 Action.
 See [Child Workflows documentation](/child-workflows) for detailed comparison of capabilities and use cases.
 
+### Standalone Activities vs a Workflow that runs a single Activity
+
+Starting a [Standalone Activity](/standalone-activity) costs 1 Action.
+Running the same single Activity in a wrapper Workflow costs 1 Action for the Activity and 1 Action for the Workflow, not including Activity heartbeats, retries, or other billable [Actions](/cloud/actions#activity).
+
+Use a Workflow when you need multi-step orchestration, human in the loop, signals, timers, updates, queries, or enhanced step-by-step visibility with event history and [replay](/workflow-execution#replay).
+
+Use a Standalone Activity when you need to execute a single Activity function reliably.
+
 ### Retry Policies
 
 Each Activity retry counts as one Action.

@@ -310,7 +310,7 @@ These metrics could have high cardinality depending on number of activity types,
 
 :::note Standalone Activities
 
-Standalone Activities are Activity Executions that are started independently, without an associated Workflow. For Activity metrics that include the `temporal_workflow_type` label, Standalone Activities use the placeholder value `"__standalone_activity"`.
+[Standalone Activities](/standalone-activity) are Activity Executions that are started independently, without an associated Workflow. For Activity metrics that include the `temporal_workflow_type` label, Standalone Activities use the placeholder value `"__standalone_activity"`.
 
 :::
 

@@ -10,15 +10,7 @@ tags:
 description: An interactive overview of Temporal Standalone Activities.
 ---
 
-import { StandaloneActivityDemo, ReleaseNoteHeader, SdkGuideLinks } from '@site/src/components';
-
-<ReleaseNoteHeader
-  featureName="standaloneActivity"
-  languages={["Go", "Python", "Java", ".NET", "TypeScript", "Ruby"]}
-  guidePath="activities/standalone-activities"
->
-  Available in [Temporal Cloud](/standalone-activity#temporal-cloud-support) and in the [Temporal CLI](/standalone-activity#temporal-cli-support) v1.7.0 or higher with Temporal Server v1.31.0 or higher. Java SDK support is in [Pre-release](/evaluate/product-release-stages#pre-release).
-</ReleaseNoteHeader>
+import { StandaloneActivityDemo, SdkGuideLinks } from '@site/src/components';
 
 Standalone Activities let you run a single Activity straight from your application without
 writing a Workflow. Your code uses the Temporal Client to send the request to the Server, the Server durably enqueues the request

@@ -50,11 +50,12 @@ This documentation uses source code from the [StandaloneActivity](https://github
 
 Prerequisites:
 
-- **[.NET](https://dotnet.microsoft.com/download)** 8.0+
+- **[.NET](https://dotnet.microsoft.com/download)** 8.0+ for the sample project
+  (the Temporal .NET SDK requires .NET Core 3.1+, Framework 4.6.2+, or Standard 2.0+)
 
-- **Temporal .NET SDK** (v1.12.0 or higher). See the [.NET Quickstart](/develop/dotnet/set-up-your-local-dotnet) for install instructions.
+- **Temporal .NET SDK** (v1.19.0 or higher). See the [.NET Quickstart](/develop/dotnet/set-up-your-local-dotnet) for install instructions.
 
-- **Temporal CLI** v1.7.0 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
+- **Temporal CLI** v1.9.1 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
 
 Start the Temporal development server with `temporal server start-dev`.
 

@@ -11,14 +11,8 @@ tags:
 description: Execute Activities independently without a Workflow using the Temporal .NET SDK.
 ---
 
-import { ReleaseNoteHeader } from '@site/src/components';
-
-<ReleaseNoteHeader
-  featureName="standaloneActivity"
-/>
-
-Standalone Activities are Activities that run independently, without being orchestrated by a
-Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
+[Standalone Activities](/standalone-activity) are Activities that run independently, without being orchestrated
+by a Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
 Activity directly from a Temporal Client.
 
 The way you write the Activity and register it with a Worker is identical to [Workflow
@@ -33,6 +27,7 @@ New to Standalone Activities? Start with the [Standalone Activities Quickstart](
 
 This page covers the following:
 
+- [Prerequisites](#prerequisites)
 - [Start a Standalone Activity without waiting for the result](#start-activity)
 - [Get a handle to an existing Standalone Activity](#get-activity-handle)
 - [Wait for the result of a Standalone Activity](#get-activity-result)
@@ -46,6 +41,17 @@ This documentation uses source code from the [StandaloneActivity](https://github
 
 :::
 
+## Prerequisites {/* #prerequisites */}
+
+Standalone Activities require:
+
+- **.NET** 8.0+ for the sample project (the Temporal .NET SDK requires .NET Core 3.1+, Framework 4.6.2+, or Standard 2.0+)
+- **Temporal .NET SDK** v1.19.0 or higher
+- **[Temporal CLI](/cli/setup-cli)** v1.9.1 or higher
+
+The [Standalone Activities Quickstart](/develop/dotnet/activities/standalone-activities-quickstart)
+walks through installing these.
+
 ## Start a Standalone Activity without waiting for the result {/* #start-activity */}
 
 Use

@@ -71,7 +71,7 @@ func (a *YourActivityObject) YourActivityDefinition(ctx context.Context, param Y
 }
 ```
 
-### How to develop Activity Parameters {/* #activity-parameters */}
+### Activity parameters {/* #activity-parameters */}
 
 There is no explicit limit to the total number of parameters that an [Activity Definition](/activity-definition) may support.
 However, there is a limit to the total size of the data that ends up encoded into a gRPC message Payload.

@@ -50,11 +50,11 @@ This documentation uses source code from the
 
 Prerequisites:
 
-- **[Go](https://go.dev/dl/)** 1.22+
+- **[Go](https://go.dev/dl/)** 1.24+
 
-- **[Temporal Go SDK](/develop/go/set-up-your-local-go#install-the-temporal-go-sdk)** (v1.41.0 or higher)
+- **[Temporal Go SDK](/develop/go/set-up-your-local-go#install-the-temporal-go-sdk)** (v1.49.0 or higher)
 
-- **Temporal CLI** v1.7.0 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
+- **Temporal CLI** v1.9.1 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
 
 Start the Temporal development server with `temporal server start-dev`.
 
@@ -191,8 +191,8 @@ func main() {
 	defer c.Close()
 
 	activityOptions := client.StartActivityOptions{
-		ID:        "standalone_activity_helloworld_ActivityID",
-		TaskQueue: "standalone-activity-helloworld",
+		ID:                     "standalone_activity_helloworld_ActivityID",
+		TaskQueue:              "standalone-activity-helloworld",
 		ScheduleToCloseTimeout: 10 * time.Second,
 	}
 

@@ -11,12 +11,6 @@ tags:
 description: Execute Activities independently without a Workflow using the Temporal Go SDK.
 ---
 
-import { ReleaseNoteHeader } from '@site/src/components';
-
-<ReleaseNoteHeader
-  featureName="standaloneActivity"
-/>
-
 Standalone Activities are Activity Executions that run independently, without being orchestrated by a Workflow. Instead
 of starting an Activity from within a Workflow Definition using `workflow.ExecuteActivity()`, you start a Standalone
 Activity directly from a Temporal Client using `client.ExecuteActivity()`.

@@ -56,7 +56,7 @@ An Activity implementation is a Java class that implements an Activity annotated
   }
 ```
 
-## Define Activity parameters {/* #activity-parameters */}
+## Activity parameters {/* #activity-parameters */}
 
 There is no explicit limit to the total number of parameters that an [Activity Definition](/activity-definition) may support.
 However, there is a limit to the total size of the data that ends up encoded into a gRPC message Payload.

@@ -54,10 +54,10 @@ Prerequisites:
 
 - **Java** 8+
 
-- **Temporal Java SDK** (v1.35.0 or higher). See the [Java Quickstart](/develop/java/set-up-your-local-java) for
+- **Temporal Java SDK** (v1.39.0 or higher). See the [Java Quickstart](/develop/java/set-up-your-local-java) for
   install instructions.
 
-- **Temporal CLI** v1.7.0 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
+- **Temporal CLI** v1.9.1 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
 
 Start the Temporal development server with `temporal server start-dev`.
 
@@ -200,7 +200,7 @@ String result = client.execute("ComposeGreeting", String.class, options, "Hello"
 {`./gradlew -q execute -PmainClass=io.temporal.samples.standaloneactivities.ExecuteActivity`}
 </CodeSnippet>
 <CodeSnippet language="bash">
-{`./temporal activity execute \\
+{`temporal activity execute \\
   --type ComposeGreeting \\
   --activity-id standalone-activity-id \\
   --task-queue standalone-activity-task-queue \\

@@ -11,12 +11,6 @@ tags:
 description: Execute Activities independently without a Workflow using the Temporal Java SDK.
 ---
 
-import { ReleaseNoteHeader } from '@site/src/components';
-
-<ReleaseNoteHeader
-  featureName="standaloneActivity"
-/>
-
 [Standalone Activities](/standalone-activity) are Activities that run independently, without being orchestrated by a
 Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
 Activity directly from a Temporal Client using `ActivityClient`.

@@ -36,7 +36,7 @@ interface FileProcessingActivities
 }
 ```
 
-### How to develop Activity Parameters {/* #activity-parameters */}
+### Activity parameters {/* #activity-parameters */}
 
 There is no explicit limit to the total number of parameters that an [Activity Definition](/activity-definition) may support.
 However, there is a limit to the total size of the data that ends up encoded into a gRPC message Payload.

@@ -56,7 +56,7 @@ async def your_activity(input: YourParams) -> str:
     return f"{input.greeting}, {input.name}!"
 ```
 
-### Develop Activity Parameters {/* #activity-parameters */}
+### Activity parameters {/* #activity-parameters */}
 
 There is no explicit limit to the total number of parameters that an [Activity Definition](/activity-definition) may
 support. However, there is a limit to the total size of the data that ends up encoded into a gRPC message Payload.

@@ -56,13 +56,13 @@ This documentation uses source code from the [hello_standalone_activity](https:/
 
 Prerequisites:
 
-- **Python 3.9+**
+- **Python 3.10+**
 
 - **[uv](https://docs.astral.sh/uv/)** - Python package manager. Install with Homebrew, or see the [uv installation guide](https://docs.astral.sh/uv/getting-started/installation/) for other platforms.
 
-- **Temporal Python SDK** (v1.23.0 or higher)
+- **Temporal Python SDK** (v1.33.0 or higher)
 
-- **Temporal CLI** v1.7.0 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
+- **Temporal CLI** v1.9.1 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
 
 Start the Temporal development server with `temporal server start-dev`.
 

@@ -11,14 +11,8 @@ tags:
 description: Execute Activities independently without a Workflow using the Temporal Python SDK.
 ---
 
-import { ReleaseNoteHeader } from '@site/src/components';
-
-<ReleaseNoteHeader
-  featureName="standaloneActivity"
-/>
-
-Standalone Activities are Activities that run independently, without being orchestrated by a
-Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
+[Standalone Activities](/standalone-activity) are Activities that run independently, without being orchestrated
+by a Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
 Activity directly from a Temporal Client.
 
 The way you write the Activity and register it with a Worker is identical to [Workflow
@@ -33,6 +27,7 @@ New to Standalone Activities? Start with the [Standalone Activities Quickstart](
 
 This page covers the following:
 
+- [Prerequisites](#prerequisites)
 - [Start a Standalone Activity without waiting for the result](#start-activity)
 - [Get a handle to an existing Standalone Activity](#get-activity-handle)
 - [Wait for the result of a Standalone Activity](#get-activity-result)
@@ -46,6 +41,17 @@ This documentation uses source code from the [hello_standalone_activity](https:/
 
 :::
 
+## Prerequisites {/* #prerequisites */}
+
+Standalone Activities require:
+
+- **Python** 3.10+
+- **Temporal Python SDK** v1.33.0 or higher
+- **[Temporal CLI](/cli/setup-cli)** v1.9.1 or higher
+
+The [Standalone Activities Quickstart](/develop/python/activities/standalone-activities-quickstart)
+walks through installing these.
+
 ## Start a Standalone Activity without waiting for the result {/* #start-activity */}
 
 Starting a Standalone Activity means sending a request to the Temporal Server to durably enqueue

@@ -54,10 +54,10 @@ Prerequisites:
 
 - **Ruby** 3.3+
 
-- **Temporal Ruby SDK** (v1.5.0 or higher). See the [Ruby Quickstart](/develop/ruby/set-up-local-ruby) for
+- **Temporal Ruby SDK** (v1.9.0 or higher). See the [Ruby Quickstart](/develop/ruby/set-up-local-ruby) for
   install instructions.
 
-- **Temporal CLI** v1.7.0 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
+- **Temporal CLI** v1.9.1 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
 
 Start the Temporal development server with `temporal server start-dev`.
 

@@ -11,12 +11,8 @@ tags:
 description: Execute Activities independently without a Workflow using the Temporal Ruby SDK.
 ---
 
-import { ReleaseNoteHeader } from '@site/src/components';
-
-<ReleaseNoteHeader featureName="standaloneActivity" />
-
-Standalone Activities are Activities that run independently, without being orchestrated by a
-Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
+[Standalone Activities](/standalone-activity) are Activities that run independently, without being orchestrated
+by a Workflow. Instead of starting an Activity from within a Workflow Definition, you start a Standalone
 Activity directly from a [`Temporalio::Client`](https://ruby.temporal.io/Temporalio/Client.html).
 
 The way you write the Activity and register it with a Worker is identical to [Workflow
@@ -31,6 +27,7 @@ New to Standalone Activities? Start with the [Standalone Activities Quickstart](
 
 This page covers the following:
 
+- [Prerequisites](#prerequisites)
 - [Start a Standalone Activity without waiting for the result](#start-activity)
 - [Get a handle to an existing Standalone Activity](#get-activity-handle)
 - [Wait for the result of a Standalone Activity](#get-activity-result)
@@ -46,6 +43,17 @@ sample.
 
 :::
 
+## Prerequisites {/* #prerequisites */}
+
+Standalone Activities require:
+
+- **Ruby** 3.3+
+- **Temporal Ruby SDK** v1.9.0 or higher
+- **[Temporal CLI](/cli/setup-cli)** v1.9.1 or higher
+
+The [Standalone Activities Quickstart](/develop/ruby/activities/standalone-activities-quickstart)
+walks through installing these.
+
 ## Start a Standalone Activity without waiting for the result {/* #start-activity */}
 
 Starting a Standalone Activity means sending a request to the Temporal Server to durably enqueue

@@ -40,7 +40,7 @@ impl GreetingActivities {
 }
 ```
 
-### Define Activity parameters {/* #activity-parameters */}
+### Activity parameters {/* #activity-parameters */}
 
 There is a limit of 6 parameters that an [Activity Definition](/activity-definition) may support. There is also a limit to the total size of the data that ends up encoded into a gRPC message Payload.
 

@@ -38,7 +38,7 @@ export async function greet(name: string): Promise<string> {
 ```
 <!--SNIPEND-->
 
-## How to develop Activity Parameters {/* #activity-parameters */}
+## Activity parameters {/* #activity-parameters */}
 
 There is no explicit limit to the total number of parameters that an [Activity Definition](/activity-definition) may
 support. However, there is a limit to the total size of the data that ends up encoded into a gRPC message Payload.

@@ -50,9 +50,11 @@ This documentation uses source code from the [standalone-activity](https://githu
 
 Prerequisites:
 
-- **Temporal TypeScript SDK** (v1.17.0 or higher). See the [TypeScript Quickstart](/develop/typescript/set-up-your-local-typescript) for install instructions.
+- **[Node.js](https://nodejs.org/en/download/)** 20+
 
-- **Temporal CLI** v1.7.0 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
+- **Temporal TypeScript SDK** (v1.24.0 or higher). See the [TypeScript Quickstart](/develop/typescript/set-up-your-local-typescript) for install instructions.
+
+- **Temporal CLI** v1.9.1 or higher. Install with Homebrew, or see the [Temporal CLI install guide](/cli/setup-cli) for other platforms. Verify the installation with `temporal --version`.
 
 Start the Temporal development server with `temporal server start-dev`.
 
@@ -125,7 +127,7 @@ async function run() {
   try {
     const worker = await Worker.create({
       connection,
-      namespace: 'default',
+      namespace: config.namespace ?? 'default',
       taskQueue: 'hello-standalone-activities',
       activities,
     });
@@ -193,7 +195,7 @@ import { nanoid } from 'nanoid';
 
 const config = loadClientConnectConfig();
 const connection = await Connection.connect(config.connectionOptions);
-const client = new Client({ connection });
+const client = new Client({ connection, namespace: config.namespace });
 
 const activitiesClient = client.activity.typed<typeof activities>();`}
 </CodeSnippet>
-Original file line number
+Diff line change
@@ Expand Up @@
     :::note Standalone Activities
-    Standalone Activities are Activity Executions that are started independently, without an associated Workflow. For Activity metrics that include the `temporal_workflow_type` label, Standalone Activities use the placeholder value `"__standalone_activity"`.
+    [Standalone Activities](/standalone-activity) are Activity Executions that are started independently, without an associated Workflow. For Activity metrics that include the `temporal_workflow_type` label, Standalone Activities use the placeholder value `"__standalone_activity"`.
     :::
@@ Expand Down @@