What's Changed

• (feat): Dapr.Messaging full implementation by @WhitWaldo in #1906
• Update Dapr.Actors.Next to use latest Dapr.Messaging pubsub bits instead of recreating streaming pubsub impl by @WhitWaldo in #1907

Dapr.Messaging Overhaul

Prior to this release, Dapr.Client provided basis publish and dynamic streaming subscription methods, Dapr.AspNetCore offered controller-based programmatic topic subscription and Dapr.Messaging offered streaming subscription support. In this release. Dapr.Messaging now unifies and modernizes the approach:

1. Unified publishing and subscribing: Publish events with IDaprPublishSubscribeClient (including single events, raw byte streams, and bulk publishing) and author subscribers using a single ITopicHandler<TMessage> interface.
2. Three unified delivery modes: Subscriptions support DeliveryMode.Streaming (streaming subscriptions), DeliveryMode.Programmatic (programmatic subscriptions), and DeliveryMode.Http (declarative subscriptions), all configured through the same [DaprTopic] attribute.
3. Source generators eliminate reflection: The Dapr.Messaging.Generators source generator inspects [DaprTopic] handlers at compile time and emits typed dispatchers, subscriber registries, and dependency injection wiring. No runtime reflection or runtime code generation is performed on the invocation path, dramatically improving startup times.
4. AOT and trimming considerations: Like other modern Dapr packages, this package was also built with AOT in mind, but with some considerations. Handler discovery and dispatch registration are generated at compile time, but the current generated subscriber dispatchers use runtime System.Text.Json metadata. Native AOT and trimming scenarios require explicit validation with the target SDK version.
5. Roslyn analyzers and diagnostics: The SDK includes 8 new analyzers DAPR1610 through DAPR1617 that catch misconfigurations directly in your IDE at you write code
6. Standard options and simplified DI: Uses IOptions<DaprMessagingOptions> and a single services.AddDaprMessaging() method that registers options, the publishing client, source-generated subscriber dispatches, and required hosting services in a single atomic operation.

Read more about this new functionality in the docs!

Full Changelog: v1.18.7...v1.18.8

Signed-off-by: Whit Waldo whit.waldo@innovian.net

What's Changed

• Promoting Dapr.Actors.Next to 1.18 patch release by @WhitWaldo in #1865
• Added support for actor retry failure policies by @WhitWaldo in #1872
• Fixing workflow tracing + adding observability integration testing by @WhitWaldo in #1870
• Can now pass environment variables into daprd container during integration tests by @WhitWaldo in #1871
• No longer swallows exceptions for anything except NotFound error when retrieving workflow state from runtime by @WhitWaldo in #1877
• Propagate trace context for gRPC calls by @mtaghavi2005 in #1858

Miscellaneous infrastructure changes:

• Restoring 1.17 to CI testing by @WhitWaldo in #1856
• Auto open issue on ci failure during release by @cicoyle in #1864

New Contributors

• @cicoyle made their first contribution in #1864

Full Changelog: v1.18.4...v1.18.5

What's Changed

• Fix build warnings about analyzer version in Dapr.Workflow by @WhitWaldo in #1851
• FIx for Dapr.Common not being transiently referenced by project by @WhitWaldo in #1852
• Downgrading analyzer assembly version to fix workflow registration issues by @WhitWaldo in #1854
• Updating the runtime version numbers selection script by @WhitWaldo in #1855

Full Changelog: v1.18.2...v1.18.4

What's Changed

• Fixing workflow versioning out-of-order registration bug by @WhitWaldo in #1850
• GetWorkflowStateAsync should always return WorkflowState by @WhitWaldo in #1847

Full Changelog: v1.18.1...v1.18.2

What's Changed

• Removed 1.17 from CI testing temporarily by @WhitWaldo in #1848

Full Changelog: v1.18.0...v1.18.1

What's Changed

General

• ADDED Dapr.SecretsManagement package #1794 to split secret management into its own client
• ADDED Dapr.StateManagement package #1806 to split state management into its own client
• ADDED Rich backwards-compatibility support added to the SDK to better support runtime API maturation lifecycles #1816
• ADDED Serializer refactored from Dapr.Workflow to Dapr.Common #1805 as a precursor to having common serialization across .NET SDK
• ADDED Add optional parameter to configuration providers for non-blocking startup #1844
• UPDATED Making DaprDefaults public #1845
• FIXED Prevent race condition during GrpcProtocolHandler disposal #1798

Actors

• ADDED UnloadStateAsync implementation #1750 to force actors to unload their currently cached in-memory state (no impact to persisted state). The next time GetStateAsync is called, the cache is repopulated as normal.

PubSub

• FIXED Subscriber resilience: SubscribeAsync now throws DaprException when the sidecar is unavailable instead of failing silently #1803

Metadata

• ADDED Added new Dapr.Metadata package for retrieving strongly typed data from the Dapr Metadata API #1846.
  To use, add Dapr.Metadata package from NuGet, register in DI with builder.Services.AddDaprMetadata() and simply inject IOptions<DaprMetadata>, IOptionsSnapshot<DaprMetadata> or IOptionsMonitor<DaprMetadata> and read the values out of the injected value.

Service Invocation

• UPDATED InvokeMethodAsync family marked [Obsolete] aligning SDK with prior runtime guidance — recommended guidance is to use a native HTTP/gRPC client for service invocation #1698.

Jobs

• UPDATED Jobs API marked stable #1804.
• UPDATED Minimum-version tags adjusted to reflect broader test coverage (#1811).

Workflows

• ADDED Workflow history context propagation (#1802)
• UPDATED Combined Dapr.Workflow meta-project (#1822) and automatic workflow/activity registration (#1823)
  This means that there is no longer a need to install Dapr.Workflow.Versioning or Dapr.Workflow.Analyzers separately. All are bundled in the one Dapr.Workflow package, no refactoring necessary (though you might want to remove the stale packages).
• UPDATED No longer logging connection closed exception when app closes #1841
• UPDATED Use server-blocking WaitForInstnace* RPCs instead of client polling #1843
• ADDED Timer origins and backwards-compatible optional timers (#1790)
• ADDED Add workflow analyzer diagnostics on versioning (#1815
• ADDED Expose name on workflow state #1836
• ADDED Support history propagation API #1825, #1833
• ADDED Expose workflow name on state #1836
• FIXED Workflow patch ordering #1807, #1809
• FIXED Trace propagation fix for downstream calls from workflow user activities #1808
• FIXED Addressing "no such instance exists" errors #1818, #1812
• FIXED Fix workflow trace correlation #1829
• FIXED add missing FailureDetails property to proto converter #1831

Miscellaneous/Testing

• ADDED Integration test project for Actors.Generators #1791.
• ADDED Adding gRPC probe with HTTP/2 preface to eliminate some transient Unavailable errors during integration testing via Testcontainers #1821
• UPDATED Stabilization of flaky integration tests #1813.
• UPDATED CI script more accurately auto-detects valid Dapr runtime versions to support automatic N-2 validation #1810
• REMOVED Removing deprecated analyzers/codefixes #1834

New Contributors

• @olitomlinson made their first contribution in #1750
• @Eckii24 made their first contribution in #1831
• @nelson-parente made their first contribution in #1825

Full Changelog: v1.17.9...v1.18.1