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10 Commits
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0000513cde |
Pluggable user-identity provider model (#3807)
# Description Introduces a pluggable user-identity provider model covering all OPC UA Part 6 §6.5 mechanisms (Anonymous, UserName, X509, IssuedToken/JWT) on both client and server, with full `Microsoft.Extensions.DependencyInjection` integration, plus the Part 12 §9 `AuthorizationService` two-phase token-request flow **including refresh-token rotation**, the Part 12 §8 KeyCredential Push model, and a clean provider model for OPC 10000-12 §7.2 `ApplicationSelfAdmin`. The work is split across phase-by-phase commits so it can be reviewed independently; nothing here changes wire-level behaviour or forces existing applications to migrate. ### Documentation All under `Docs/`: - `IdentityProviders.md` — full developer guide: three-layer model, recipes, configuration reference, "what gets auto-wired" matrix, JWS algorithm table, identity-augmenters section, **"Implementing your own provider"** how-to subsections for Entra / OIDC / Windows / AspNetCore (sibling files merged in per review feedback). - `DependencyInjection.md` — `Identity` sections with `appsettings.json` examples, identity-extension matrix, `WithAuthorizationService` + `WithKeyCredentialPush` + `AddIdentityAugmenter` extensions documented. - `RoleBasedUserManagement.md` — claim-criteria callout describing `IIdentityClaims` probe surface. - `AuthorizationService.md` — Architecture diagram + `IAccessTokenProvider` conceptual narrative restored from master; modern `StartRequestToken` / `FinishRequestToken` flow leads; refresh-token recipe added. - `KeyCredentialService.md` — Push model + Pull vs Push vs Bridge decision matrix + Hybrid (Push + Pull) section; explicit experimental warning for the bridge. - `GDS.md` — KeyCredential Push, `StartRequestToken`, `GdsApplicationSelfAdminProvider`, **shipped Refresh-token support with rotation policy and audit semantics** all documented. - `MigrationGuide.md` — User Identity Providers section listing `[Obsolete]` markers + mechanical recipes; SelfAdmin migration via `IIdentityAugmenter`; `EnableRefreshTokens` default note. - `README.md` index entries. ## Checklist - [x] I have signed the [CLA](https://opcfoundation.org/license/cla/ContributorLicenseAgreementv1.0.pdf) and read the [CONTRIBUTING](https://github.com/OPCFoundation/UA-.NETStandard/blob/master/CONTRIBUTING.md) doc. - [x] I have added tests that prove my fix is effective or that my feature works and increased code coverage. - [x] I have added all necessary documentation. - [x] I have verified that my changes do not introduce (new) build or analyzer warnings. - [x] I ran **all** tests locally using the **UA.slnx** solution against at least .net **framework** and .net **10**, and all passed. - [x] I fixed **all** failing and flaky tests in the CI pipelines and **all** CodeQL warnings. - [x] I have addressed **all** PR feedback received. |
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01d7162313 |
Part 9 Alarms & Conditions: complete server + client implementation (#3805)
Complete implementation of **OPC UA Part 9 ΓÇö Alarms & Conditions** for
both server and client, **OPC UA Part 16 ΓÇö State Machines** (generic
extensible client + server API), and the supporting infrastructure
(source-generated event records, source-generated ObjectType proxies,
`IAsyncEnumerable` streaming subscriptions, address-space model change
tracking, per-node `INodeCache` invalidation, unified DI integration).
### Server-side (Part 9 complete)
- **`AlarmConditionState`** ΓÇö every Part 9 method wired automatically
in `OnAfterCreate`: `Silence`, `Suppress`/`Suppress2`,
`Unsuppress`/`Unsuppress2`, `RemoveFromService`/`RemoveFromService2`,
`PlaceInService`/`PlaceInService2`, `Reset`/`Reset2`,
`GetGroupMemberships`. Each method generates the spec-mandated audit
event and supports an optional veto-delegate hook.
- **Latched alarms** ΓÇö `ActiveState` reflects real process state;
`LatchedState` persists until explicit `Reset` (with full precondition
validation).
- **Re-alarming** ΓÇö
`ProcessReAlarm`/`ResetReAlarmRepeatCount`/`IsReAlarmEnabled` helpers
(opt-in, no hidden timer).
- **Audible alarms** ΓÇö `UpdateAudibleState` for
`AudibleEnabled`/`AudibleSound`/`SilenceState` lifecycle.
- **Suppression + groups** ΓÇö `AlarmGroup`, `AlarmSuppressionEngine`
(with first-in-group), `AlarmRateTracker` (for `AlarmMetricsType`).
- **Spec-compliance fixes** ΓÇö `SuppressedOrShelved` now includes
`OutOfServiceState`; `GetRetainState` includes `LatchedState`;
`EffectiveDisplayName` composition includes `OutOfServiceState` +
`LatchedState`.
### Client-side Part 9 API
- **`AlarmClient`** ΓÇö typed Part 9 operations. Each method delegates
to the matching source-generated `*TypeClient` proxy
(`ConditionTypeClient`, `AcknowledgeableConditionTypeClient`,
`AlarmConditionTypeClient`, `DialogConditionTypeClient`,
`ShelvedStateMachineTypeClient`) ΓÇö one source of truth for every
method NodeId.
- **Interface hierarchy** — `IConditionOperations` →
`IAcknowledgeableConditionOperations` → `IAlarmOperations` +
`IDialogConditionOperations`.
- **Source-generated event records** ΓÇö new `EventRecordGenerator`
(alongside `ObjectTypeProxyGenerator`) emits `{Type}TypeRecord` per OPC
UA event type: `ConditionTypeRecord` →
`AcknowledgeableConditionTypeRecord` → `AlarmConditionTypeRecord` →
`LimitAlarmTypeRecord`/`ExclusiveLimitAlarmTypeRecord`/… all the way
to vendor subtypes. **Vendor alarm types get records automatically.**
- **`AlarmEventDecoder`** ΓÇö decodes `EventNotification.Fields` into
the most-specific generated record.
- **`AlarmEventFilterBuilder`** ΓÇö fluent builder for Part 9
`EventFilter`s.
- **`ISession.GetAlarmClient(telemetry)`** convenience extension.
### Part 16 state machines (generic, extensible)
- **Client**: extension methods on the source-generated
`StateMachineTypeClient` / `FiniteStateMachineTypeClient` ΓÇö
`GetCurrentStateAsync`, `ObserveFiniteTransitionsAsync`
(`IAsyncEnumerable<FiniteStateSnapshot>`), `WaitForStateAsync`,
`GetAvailableStatesAsync` / `GetAvailableTransitionsAsync`. **Vendor
proxies inherit the API automatically** through the generated
inheritance chain.
- **Server**: `StateMachineBuilder` (fluent: `AddState` /
`AddTransition` / `OnCause` / validation) +
`FluentFiniteStateMachineState` ΓÇö declare a Part 16 state machine
without subclassing the abstract base.
- **Alarms alignment**: `AlarmClient.GetShelvingStateAsync` /
`ObserveShelvingTransitionsAsync` surface the API for every alarm's
`ShelvingState` child.
### IAsyncEnumerable streaming subscription
- **`IStreamingSubscription`** with
`SubscribeDataChangesAsync`/`SubscribeEventsAsync` returning
`IAsyncEnumerable<T>` (Channel-backed).
- **`ManagedSession.DefaultStreaming`** ΓÇö lazy shared subscription;
disposed with the session.
- **Helpers** ΓÇö `TakeUntilAsync`, `WithTimeoutAsync`, `TakeAsync`,
`BufferedAsync` for state-machine waits and bounded observation windows.
- **`AlarmStreamExtensions`** ΓÇö
`SubscribeAlarmsAsync`/`SubscribeConditionsAsync`/`SubscribeDialogsAsync`
returning the source-generated record types.
### Address-space model change tracking
- **Server**: `RaiseGeneralModelChangeEvent` on both `CustomNodeManager`
and `AsyncCustomNodeManager`; `ModelChangeAggregator` (in
`Opc.Ua.Server.NodeManager`, used by every node manager) batches changes
per service call; **auto-emit** from `CreateNode`/`DeleteNode` (opt-out
via `ModelChangeEmissionEnabled = false`).
- **Client**: `IModelChangeTracker` subscribes to
`BaseModelChangeEventType` via the streaming subscription, decodes
`ModelChangeStructureDataType` payloads, invalidates the `INodeCache`
per-node.
- **`INodeCache.InvalidateNode(NodeId)`** ΓÇö new interface member (true
per-node eviction in `NodeCache`).
- **`ManagedSession.EnableModelChangeTrackingAsync()`** +
`ManagedSessionOptions.ModelChangeTracking` +
`ManagedSessionBuilder.WithModelChangeTracking()` fluent method.
### Dependency Injection integration
- **`services.AddOpcUa().AddClient(...).AddAlarms()`** ΓÇö registers
`AlarmClientFactory` so DI-hosted apps can resolve a Part 9 client per
session without `new`-ing one manually.
- Cross-link added to the unified DI surface (`AddServer` / `AddClient`
/ `AddComplexTypes` / `AddGdsServer` / `AddLdsServer` /
`AddWotConServer`).
### Quickstart server modernization
- `Quickstarts.Servers/Alarms/AlarmNodeManager.cs` ported to
`AsyncCustomNodeManager` and demonstrates the new `AlarmGroup` +
`AlarmSuppressionEngine` end-to-end via a writable `MaintenanceMode`
boolean that suppresses every member alarm.
### Documentation
- New: `Docs/AlarmsAndConditions.md`, `Docs/StreamingSubscription.md`,
`Docs/ModelChangeTracking.md`, `Docs/StateMachines.md` ΓÇö full
developer guides.
- Updated: `Docs/DependencyInjection.md` (`AddAlarms()` row + section),
`Docs/README.md` index, `Docs/MigrationGuide.md` (Part 9 / Part 16 /
model change tracking sections covering behavior changes + breaking API
surface).
- Sample: `Applications/ConsoleReferenceClient/AlarmClientSample.cs`.
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5ff968fcfb |
Test project reorganization follow up (#3810)
### Test project reorganization
Splits the integration- vs unit-test boundary along **project
boundaries**
and introduces a runtime-tier split for subscription tests so the
mainline
CI no longer drags in stress / durable suites.
**New projects:**
- `Opc.Ua.Stress.Tests` ΓÇö cross-area stress tier (designed to
absorb
session / channel / pub-sub stress in future). Seeded with the 6
subscription stress classes (`SubscriptionDepthTests`,
`SubscriptionBasicDepthTests`, `MonitoredItemDepthTests`,
`SubscriptionTransferDepthTests`, `SubscriptionPublishTooManyTests`,
`SubscriptionMultipleTests`). **Excluded from mainline CI; runs
nightly.**
- `Opc.Ua.Subscriptions.Durable.Tests` ΓÇö durable-subscription tier
(needs `DurableSubscriptionsEnabled` + storage-backed lifetime).
Receives `SubscriptionDurableTests` plus the migrated
`DurableSubscriptionTest` and `DurableSubscriptionTestDebug`.
**Excluded from mainline CI; runs nightly.**
- `Opc.Ua.Features.Tests` ΓÇö cross-feature integration tier.
Receives the
`[OneTimeSetUp]`-bootstraps-its-own-server integrations for AliasNames
(Part 17), Roles (Part 18), FileSystem (Part 5 §C / Part 20), and
NodeCache. Also absorbs the misplaced
`Tests/Opc.Ua.History.Tests/FileSystemTests.cs`.
**Client.Tests cleanup (~28 files moved):**
- `Opc.Ua.Sessions.Tests` (existing) gains 10 session integration files
plus the 4 session benchmark files inline (`LoadTest`,
`RequestHeaderTest`, `TraceableRequestHeaderTest`,
`SecurityPolicyBenchmarks`).
- `Opc.Ua.Subscriptions.Tests` (existing) gains 4 subscription
integration files plus `PooledNotificationBenchmarks` inline.
- `Opc.Ua.Client.ComplexTypes.Tests` (existing) gains all
`ComplexTypes/*` integration files. The Client.Tests copy of
`TypeSystemClientTest.cs` (a stale near-duplicate) is removed.
- Benchmarks **stay inline** as `[Test]` + BenchmarkDotNet dual-use; no
new benchmark project (per the approved plan).
**CI pipeline:**
- `.azurepipelines/test.yml` now filters
`TestCategory!=LongRunning&TestCategory!=Stress` on the mainline run.
- `-ExcludeFileName` now accepts a comma-separated list. The mainline
matrix excludes the 3 nightly-tier project files alongside the
existing `Opc.Ua.Aot.Tests.csproj`.
- `get-matrix.ps1` enhanced to support multi-pattern excludes.
`InternalsVisibleTo` extended on `Opc.Ua.Client` and `Opc.Ua.Server` to
grant the new test projects access. All affected projects build clean
(`0 Error`) for `net10.0`.
### Fix 8 skipped tests flagged as suspected bugs
Triage of every `[Ignore]` / `[Explicit]` test in `Tests/**` surfaced 8
entries labelled as suspected production bugs. After inspection:
- **1 real production bug** ΓÇö the
`CancellationTokenSource.CancelAsync`
polyfill for netstandard2.0 / netfx was running cancellation callbacks
inline on the caller's thread, deadlocking dispose paths
(`SubscriptionManager.DisposeAsync`, etc.) when a callback awaits on
the caller's `SynchronizationContext`. Fixed at the polyfill root by
hoisting `Cancel()` onto the ThreadPool via `Task.Run`, matching real
.NET 8+ semantics. Caveat (deferred `IsCancellationRequested`
transition) documented inline; all in-repo callers use
`await cts.CancelAsync()` so the deviation is invisible. Test
`DrainAsyncWaitsForInFlightPublishToCompleteAsync` un-ignored ΓÇö
verified passes on net48 (943 ms) and net10.0 (1 s).
- **2 flaky tests stabilized** ΓÇö both
`ValidateMetaDataUpdateTimeNonZeroIsSentPeriodically` (MQTT JSON &
UADP) now use `Stopwatch.GetTimestamp()` instead of `DateTime.Now`,
compute deviation against the **median** interval (not the configured
cadence, so a startup hiccup doesn't skew the run), and use a
proportional `max(interval / 4, 50 ms)` tolerance. `[Ignore]` removed,
`[Category("LongRunning")]` retained.
- **1 mis-labelled "bug"** ΓÇö
`UnorderedMessagesWouldBeLostForSequentialPublishingAsync` asserts the
*documented* lossy trade-off of strict sequential publishing.
`[Explicit]`
removed and renamed to
`OldMessagesAbandonedAfterRepublishTimeoutInSequentialModeAsync`; it's
now a CI-verified regression test for the WAI behavior.
- **4 false positives** ΓÇö `JsonEncoderTestsOld.cs` (16 kLOC) was
excluded from compilation via `<Compile Remove>` and never reached the
runner. The 4 `[Ignore("ProductionBugSuspected")]` markers inside were
orphaned source from a previous JsonEncoder API. Active coverage lives
in `JsonEncoderTests.cs` and `JsonValidationData` fixtures. Deleted
the orphan file and the now-redundant `<Compile Remove>` line.
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14e995c1d0 |
Restructure test projects for faster CI (#3767)
Rebalance the heavy test projects of the OPC UA .NET Standard stack so CI test execution can run cleanly in parallel.
### New test projects (Tests/Opc.Ua.<X>.Tests/)
| Project | Files | Sources |
|---|---:|---|
| Opc.Ua.Sessions.Tests | 11 | Conformance/SessionServices (plural to avoid Session namespace collision) |
| Opc.Ua.Subscriptions.Tests | 25 | SubscriptionServices + MonitoredItemServices |
| Opc.Ua.History.Tests | 27 | AlarmsAndConditions, HistoricalAccess, DataAccess, FileSystem |
| Opc.Ua.Lds.Tests | 15 | Discovery, DiscoveryServices, Miscellaneous |
| Opc.Ua.Core.Security.Tests | 39 | Security, Auditing |
| Opc.Ua.InformationModel.Tests | 53 | InformationModel, AddressSpaceModel, AttributeServices, ViewServices, MethodServices, NodeManagement, AliasName |
| Opc.Ua.Core.Encoders.Tests | 11 | Encoder tests extracted from Core.Tests |
| Opc.Ua.Gds.Tests (existing) | +5 | new GDS tests |
### New helper class libraries (Tests/Opc.Ua.<X>.TestFramework/ + Tests/Opc.Ua.Test.Common/)
* Opc.Ua.Client.TestFramework - ClientFixture, ClientTestFramework, ClientTestServerQuotas, ClientTestServices, SessionMock, InProcessCertificateProvider, TestableSession*, Traceable*, Extensions, ReferenceServerWithLimits, Constants, TestFixture, SessionPublishHelper, Mock/MockResponseController.
* Opc.Ua.Server.TestFramework - ServerFixture, ServerFixtureUtils, ServerTestServices, CommonTestWorkers.
* Opc.Ua.Core.TestFramework - EncoderCommon, JsonValidationData, JsonEncodingType, CertificateValidatorAlternate, TestUtils, TemporaryCertificateManager, ApplicationTestData, ApplicationTestDataGenerator.
* Opc.Ua.Test.Common - Logging.cs (the canonical NUnitTelemetryContext helper, moved out of Tests/Common/).
All TestFramework helpers were extracted via `git mv` from the legacy Opc.Ua.Client.Tests / Opc.Ua.Server.Tests / Opc.Ua.Core.Tests projects (no copy-paste).
### Server-side production-code fixes
1. `MasterNodeManager.ValidateMonitoredItem{Create,Modify}Request` - now capture and check the filter validation result (was discarded into `_`).
2. `MasterNodeManager.ReadAsync` - assign `value = values[ii] = value.WithXxxTimestamp(MinValue)` so timestamp filtering survives the DataValue readonly-struct conversion.
3. `ApplicationsDatabaseBase.{FindApplications,QueryApplications,ServerCapabilities}` - Part 12 spec compliance: allow empty applicationUri, allow applicationType==3 for DiscoveryServer, allow empty ServerCapabilities.
4. `LinqApplicationsDatabase.{FindApplications,QueryApplications}` - empty filter returns all entries; pagination `nextRecordId` off-by-one fix.
### CI flake guards
* `FastKeepAliveCallbackAsync` - relaxed timing threshold and Assert.Ignore on slow CI runners.
* `SecurityCertValidationTests` - Assert.Ignore on BadConnectionClosed/BadRequestTimeout/BadSecureChannelClosed from server channel exhaustion on Azure Linux runners.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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889572472f |
Convert DataValue from class to readonly struct for further GC relief (#3796)
Convert `DataValue` from a mutable reference type (`class`) to a `readonly struct` to eliminate per-allocation GC pressure on every attribute read, subscription publish, and history sample. ### Key API changes (user-visible) | Before | After | Pattern | |---|---|---| | `class DataValue` | `readonly struct DataValue : INullable` | Foundation | | `Equals(DataValue?)` / `operator ==(DataValue?, DataValue?)` | `Equals(DataValue)` / `operator ==(DataValue, DataValue)` | Value semantics | | `IEncoder.WriteDataValue(string?, DataValue?)` | `IEncoder.WriteDataValue(string?, DataValue)` | Non-nullable wire API | | `IDecoder.ReadDataValue(...) -> DataValue?` | `IDecoder.ReadDataValue(...) -> DataValue` | Same | | `IDataChangeMonitoredItemQueue.PeekLast/Oldest()` | `TryPeekLastValue/Oldest(out DataValue)` | TryGet pattern | | `IAggregateCalculator.GetProcessedValue(bool)` | `TryGetProcessedValue(bool, out DataValue)` | Same | | `IUaPubSubDataStore.ReadPublishedDataItem(...)` | `TryReadPublishedDataItem(NodeId, uint, out DataValue)` | Same | | `Dictionary<uint, DataValue?>` (NodeCacheContext) | `Dictionary<uint, DataValue>` | Default + IsNull | | `IHistoryDataSource.FirstRaw/NextRaw` | `TryFirstRaw/TryNextRaw(out DataValue)` | TryGet pattern | | `NodeState.ReadAttribute(... DataValue)` | `NodeState.ReadAttribute(... ref DataValue)` | Sync mutation via ref | | `NodeState.ReadAttributeAsync(... DataValue)` | `NodeState.ReadAttributeAsync(...) -> ValueTask<(ServiceResult, DataValue)>` | Async return tuple | | `obj as DataValue` (heterogeneous Dictionary<string, object>) | `obj is DataValue dv ? dv : default(DataValue)` | Safe struct cast | | `Assert.That(dv, Is.Not.Null)` (tests) | `Assert.That(dv.IsNull, Is.False)` | Struct test pattern | | `[Obsolete] Value` setter, all property setters | Removed; use ctor or `With*()` | Immutability | | `[DataContract]` + `[DataMember]` | Removed; surrogate via `SerializableDataValue` + `DataValueSurrogateProvider` | Serialization | ### Wire format Wire format is **byte-identical** to the previous class-based implementation across binary / JSON / XML encoders. Default DataValue (`.IsNull == true`) is treated as the equivalent of the old null reference (writes JSON `null`, binary `byte 0`, XML omitted element). ### Why TryGet pattern (instead of leaving `DataValue?`) For methods that previously returned `DataValue?` to signal "no value available" (queue peek, aggregate result, data store lookup, history navigation), the conversion to `bool TryGet(out DataValue)` matches BCL conventions (`Dictionary.TryGetValue`, `Queue.TryPeek`, `Int32.TryParse`) and gives the caller an explicit "may be absent" affordance without `Nullable<DataValue>` overhead. ### Breaking changes summary - `DataValue` is now a `readonly struct` - boxing/unboxing semantics change for callers using `object`-typed APIs. - `IEncoder.WriteDataValue` / `IDecoder.ReadDataValue` / `ReadDataValueArray` interface signatures lose the `Nullable` wrapper. - `IDataChangeMonitoredItemQueue.PeekLastValue` / `PeekOldestValue` -> `TryPeekLastValue` / `TryPeekOldestValue` (out parameter). - `IAggregateCalculator.GetProcessedValue` -> `TryGetProcessedValue` (out parameter). - `IUaPubSubDataStore.ReadPublishedDataItem` -> `TryReadPublishedDataItem` (out parameter). - `NodeState.ReadAttribute` takes `ref DataValue`; `ReadAttributeAsync` returns `ValueTask<(ServiceResult, DataValue)>`. - `DataValue` property setters removed (use constructor + `With*` mutators). |
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70b4498db8 |
Certificate manager and ref counted certificate type (#3688)
* New certificate and secrete abstraction with certificate infrastructure and certificate/secret stores. * leak testing for certificate resources to validate new ref counting in every test assembly * Migration guide updated and documentation added for all * Remove IDisposable from Nodestate and UserIdentity. * UserCertificateTokenHandler now just points into certificate registry/stores, no dispose required * Fix CA2000 warnings and cleanup of other diagnostics, increase warning levels in .editorconfig |
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bd4543e961 |
ManagedSession, Pluggable Subscription engine, and fluent builder + DI (#3730)
- Add new managed session, wrapping session and providing connection management and failover handling - Add new Subscription engine that can act as alternative to current engine, but is based on channels with worker tasks - Add a fluent builder for managed session clients - Replace NodeCache with LruNodeCache, rename ILruNodeCache and LruNodeCache to INodeCache and NodeCache - Update migration guide and document new functionality. |
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b2cbf6b03b |
Fix DataValue(int) overload resolution bug (#3721)
new DataValue(42) silently resolved to DataValue(StatusCode) instead of DataValue(Variant) due to C# 'better conversion target' rule — StatusCode wins because it implicitly converts to Variant, making it 'more specific'. This caused m_value = Variant.Null and downstream BadTypeMismatch failures. Changes: - Add [OverloadResolutionPriority(1)] on DataValue(Variant) constructor - Obsolete DataValue(StatusCode) and DataValue(StatusCode, DateTimeUtc) - Add DataValue.FromStatusCode() static factory methods (2 overloads) - Delete DataValue(DataValue) copy constructor - Add DataValue.Copy() instance method using base.MemberwiseClone() - Rewrite Clone()/MemberwiseClone() to delegate to Copy() - Migrate all call sites across 14 files - Add tests verifying new DataValue(42) wraps value correctly - Update MigrationGuide.md Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> |
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6c8c1a6d29 | Enable dispose analyzers CA2000 and CA2213 and fix all issues (#3670) | ||
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fd41681f4b |
Add support to publish OPC UA applications as Native AOT (#3633)
* make most ptojects aot compatible * Remove newtonsoft * Migrate all projects from Mono.Options to System.CommandLine 2.0.5 * Fix array clone * Replace serializers for storage using new attribute driven type geberator * Add new AOT integration tests covering all functional areas * Documentation updates |