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jsundai merged 4 commits into from
Apr 10, 2026
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Nexus april releases #4426

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0d191ee
update release stages for Nexus SDK support and other features
prasek Apr 10, 2026
7ba8142
link to both workflow callback limits
prasek Apr 10, 2026
49970ef
address feedback
prasek Apr 10, 2026
ed8890c
Merge branch 'main' into nexus-april-releases
jsundai Apr 10, 2026
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4 changes: 1 addition & 3 deletions docs/develop/dotnet/nexus/feature-guide.mdx
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Expand Up @@ -18,9 +18,7 @@ import { CaptionedImage } from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal .NET SDK support for Nexus is at [Pre-release](/evaluate/development-production-features/release-stages#pre-release).

All APIs are experimental and may be subject to backwards-incompatible changes.
Temporal .NET SDK support for Nexus is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

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6 changes: 6 additions & 0 deletions docs/develop/dotnet/nexus/index.mdx
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import * as Components from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal .NET SDK support for Nexus is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

![.NET SDK Banner](/img/assets/banner-dotnet-temporal.png)

## Temporal Nexus
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6 changes: 6 additions & 0 deletions docs/develop/dotnet/nexus/quickstart.mdx
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Expand Up @@ -20,6 +20,12 @@ import { SetupSteps, SetupStep, CodeSnippet } from '@site/src/components/element

# Nexus .NET Quickstart

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal .NET SDK support for Nexus is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

[Temporal Nexus](/evaluate/nexus) connects Temporal Applications within and across Namespaces using a Nexus Endpoint, a Nexus Service contract, and Nexus Operations. Build a Nexus Service that wraps an existing Temporal Workflow, then invoke it from a caller Workflow.

:::info NEW TO NEXUS?
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2 changes: 1 addition & 1 deletion docs/develop/go/nexus/feature-guide.mdx
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Expand Up @@ -20,7 +20,7 @@ import { CaptionedImage } from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Go SDK support for Nexus is now [Generally Available](/evaluate/development-production-features/release-stages#general-availability).
Temporal Go SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

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6 changes: 6 additions & 0 deletions docs/develop/go/nexus/index.mdx
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import * as Components from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Go SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

![Go SDK Banner](/img/assets/banner-go-temporal.png)

## Temporal Nexus
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6 changes: 6 additions & 0 deletions docs/develop/go/nexus/quickstart.mdx
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Expand Up @@ -20,6 +20,12 @@ import { SetupSteps, SetupStep, CodeSnippet } from '@site/src/components/element

# Nexus Go Quickstart

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Go SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

[Temporal Nexus](/evaluate/nexus) connects Temporal Applications within and across Namespaces using a Nexus Endpoint, a Nexus Service contract, and Nexus Operations. Build a Nexus Service that wraps an existing Temporal Workflow, then invoke it from a caller Workflow.

:::info NEW TO NEXUS?
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2 changes: 1 addition & 1 deletion docs/develop/java/nexus/feature-guide.mdx
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Expand Up @@ -19,7 +19,7 @@ import { CaptionedImage } from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Java SDK support for Nexus is now
Temporal Java SDK support for Nexus is
[Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::
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7 changes: 7 additions & 0 deletions docs/develop/java/nexus/index.mdx
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import * as Components from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Java SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

![Java SDK Banner](/img/assets/banner-java-temporal.png)

## Temporal Nexus

- [Quickstart](/develop/java/nexus/quickstart)
- [Feature guide](/develop/java/nexus/feature-guide)
- [Nexus sync tutorial](https://learn.temporal.io/tutorials/nexus/nexus-sync-tutorial/)
6 changes: 6 additions & 0 deletions docs/develop/java/nexus/quickstart.mdx
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Expand Up @@ -20,6 +20,12 @@ import { SetupSteps, SetupStep, CodeSnippet } from '@site/src/components/element

# Nexus Java Quickstart

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Java SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

[Temporal Nexus](/evaluate/nexus) connects Temporal Applications within and across Namespaces using a Nexus Endpoint, a Nexus Service contract, and Nexus Operations. Build a Nexus Service that wraps an existing Temporal Workflow, then invoke it from a caller Workflow.

:::info NEW TO NEXUS?
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2 changes: 1 addition & 1 deletion docs/develop/python/nexus/feature-guide.mdx
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Expand Up @@ -19,7 +19,7 @@ import { CaptionedImage } from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Python SDK support for Nexus is now [Generally Available](/evaluate/development-production-features/release-stages#general-availability).
Temporal Python SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

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6 changes: 6 additions & 0 deletions docs/develop/python/nexus/index.mdx
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import * as Components from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Python SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

![Python SDK Banner](/img/assets/banner-python-temporal.png)

## Temporal Nexus
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6 changes: 6 additions & 0 deletions docs/develop/python/nexus/quickstart.mdx
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Expand Up @@ -20,6 +20,12 @@ import { SetupSteps, SetupStep, CodeSnippet } from '@site/src/components/element

# Nexus Python Quickstart

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal Python SDK support for Nexus is [Generally Available](/evaluate/development-production-features/release-stages#general-availability).

:::

[Temporal Nexus](/evaluate/nexus) connects Temporal Applications within and across Namespaces using a Nexus Endpoint, a Nexus Service contract, and Nexus Operations. Build a Nexus Service that wraps an existing Temporal Workflow, then invoke it from a caller Workflow.

:::info NEW TO NEXUS?
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4 changes: 1 addition & 3 deletions docs/develop/typescript/nexus/feature-guide.mdx
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Expand Up @@ -18,9 +18,7 @@ import { CaptionedImage } from "@site/src/components";

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal TypeScript SDK support for Nexus is at [Pre-release](/evaluate/development-production-features/release-stages#pre-release).

All APIs are experimental and may be subject to backwards-incompatible changes.
Temporal TypeScript SDK support for Nexus is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

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6 changes: 6 additions & 0 deletions docs/develop/typescript/nexus/index.mdx
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import * as Components from '@site/src/components';

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal TypeScript SDK support for Nexus is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

![TypeScript SDK Banner](/img/assets/banner-typescript-temporal.png)

## Temporal Nexus
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6 changes: 6 additions & 0 deletions docs/develop/typescript/nexus/quickstart.mdx
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Expand Up @@ -20,6 +20,12 @@ import { SetupSteps, SetupStep, CodeSnippet } from '@site/src/components/element

# Nexus TypeScript Quickstart

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Temporal TypeScript SDK support for Nexus is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

[Temporal Nexus](/evaluate/nexus) connects Temporal Applications within and across Namespaces using a Nexus Endpoint, a Nexus Service contract, and Nexus Operations. Build a Nexus Service that wraps an existing Temporal Workflow, then invoke it from a caller Workflow.

:::info NEW TO NEXUS?
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5 changes: 0 additions & 5 deletions docs/encyclopedia/nexus/nexus-operations.mdx
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Expand Up @@ -346,11 +346,6 @@ Callers migrate to the new version on their own deployment schedule.

## Attaching multiple Nexus callers to a handler Workflow {#attaching-multiple-nexus-callers}

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

Using a [Conflict-Policy of Use-Existing](/workflow-execution/workflowid-runid#workflow-id-conflict-policy) with [New-Workflow-Run-Operation](/nexus/operations#sdk-support) is in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

Operations started with [New-Workflow-Run-Operation](/nexus/operations#sdk-support) automatically attach a completion Callback to the handler Workflow.
Additional callers can attach to the same handler Workflow using a [Conflict-Policy of Use-Existing](/workflow-execution/workflowid-runid#workflow-id-conflict-policy).
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9 changes: 0 additions & 9 deletions docs/encyclopedia/nexus/nexus.mdx
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Expand Up @@ -124,12 +124,3 @@ Each step is a separate, durable Operation with its own retries and failure hand
- [Nexus error handling](/nexus/error-handling) - Error types and how they surface in caller Workflows.
- [Nexus metrics](/nexus/metrics) - SDK, Cloud, and OSS cluster metrics.

## Public Preview features

:::tip SUPPORT, STABILITY, and DEPENDENCY INFO

The following Nexus features are currently in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).

:::

- [Attaching multiple Nexus callers to a handler Workflow](/nexus/operations#attaching-multiple-nexus-callers)
6 changes: 3 additions & 3 deletions docs/encyclopedia/workflow/workflow-execution/limits.mdx
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Expand Up @@ -45,9 +45,9 @@ These limits are set with the following [dynamic configuration keys](https://git
There is a limit to the total number of Workflow Callbacks that may be attached to a single Workflow Execution.
Attaching [multiple Nexus callers to a handler Workflow](/nexus/operations#attaching-multiple-nexus-callers) may exceed these limits.

These limits can be set with the following [dynamic configuration keys](https://github.com/temporalio/temporal/blob/main/common/dynamicconfig/constants.go#L924):

- MaxCallbacksPerWorkflow
These limits can be set with the following dynamic configuration keys:
- [MaxCallbacksPerWorkflow](https://github.com/temporalio/temporal/blob/3b626075691c483871630d4a4df266e783f86328/common/dynamicconfig/constants.go#L998)
- [MaxCHASMCallbacksPerWorkflow](https://github.com/temporalio/temporal/blob/3b626075691c483871630d4a4df266e783f86328/common/dynamicconfig/constants.go#L1005)

## Workflow Execution Nexus Operation Limits {#workflow-execution-nexus-operation-limits}

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3 changes: 1 addition & 2 deletions docs/evaluate/development-production-features/temporal-nexus.mdx
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Expand Up @@ -95,9 +95,8 @@ Join the [#nexus](https://temporalio.slack.com/archives/C07LQN0JK9B) channel in

<RelatedReadContainer>
<RelatedReadItem path="/nexus" text="Nexus concepts and architecture" archetype="encyclopedia" />
<RelatedReadItem path="/develop/go/nexus/quickstart" text="Go SDK - Nexus quick start" archetype="feature-guide" />
<RelatedReadItem path="/develop/go/nexus" text="Go SDK - Nexus quick start" archetype="feature-guide" />
<RelatedReadItem path="/develop/java/nexus" text="Java SDK - Nexus quick start" archetype="feature-guide" />
<RelatedReadItem path="https://learn.temporal.io/tutorials/nexus/nexus-sync-tutorial/" text="Java SDK - Nexus sync tutorial" archetype="feature-guide" />
<RelatedReadItem path="/develop/python/nexus" text="Python SDK - Nexus quick start" archetype="feature-guide" />
<RelatedReadItem path="/develop/typescript/nexus" text="TypeScript SDK - Nexus quick start" archetype="feature-guide" />
<RelatedReadItem path="/develop/dotnet/nexus" text=".NET SDK - Nexus quick start" archetype="feature-guide" />
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