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Merged
Aaronontheweb merged 1 commit into from
Oct 17, 2025
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Prepare v1.5.54 release #7913

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18 changes: 8 additions & 10 deletions Directory.Build.props
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<PropertyGroup>
<Copyright>Copyright © 2013-$([System.DateTime]::Now.Year) Akka.NET Team</Copyright>
<Authors>Akka.NET Team</Authors>
<VersionPrefix>1.5.53</VersionPrefix>
<VersionPrefix>1.5.54</VersionPrefix>
<PackageIcon>akkalogo.png</PackageIcon>
<PackageProjectUrl>https://getakka.net/</PackageProjectUrl>
<PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
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<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
</PropertyGroup>
<PropertyGroup>
<PackageReleaseNotes>Akka.NET v1.5.53 is a security patch containing important fixes for TLS/SSL hostname validation and improved error diagnostics for certificate authentication issues.
<PackageReleaseNotes>Akka.NET v1.5.54 is a patch release containing important bug fixes for Akka.Streams and Akka.DistributedData.

**Security Fixes:**
**Bug Fixes:**

* [Fix TLS hostname validation bug and add configurable validation](https://github.com/akkadotnet/akka.net/pull/7897) - Fixes a critical bug where TLS clients validated against their own certificate DNS name instead of the remote server address, particularly affecting mutual TLS scenarios. This release also adds a new `validate-certificate-hostname` configuration option to `akka.remote.dot-netty.tcp` (defaults to `false` for backward compatibility) and introduces type-safe validation APIs through the new `TlsValidationCallbacks` factory class.
* [Fix SourceRef.Source and SinkRef.Sink non-idempotent property bug](https://github.com/akkadotnet/akka.net/pull/7907) - Fixes [issue #7895](https://github.com/akkadotnet/akka.net/issues/7895) where `ISourceRef&lt;T&gt;.Source` and `ISinkRef&lt;T&gt;.Sink` properties created new stage instances on every access, causing race conditions and intermittent subscription timeouts. These properties are now idempotent using `Lazy&lt;T&gt;`, preventing failures from accidental property access (debugger inspection, logging, serialization frameworks).

**Improvements:**
* [Fix LWWDictionary.Delta ArgumentNullException when underlying delta is null](https://github.com/akkadotnet/akka.net/pull/7912) - Fixes [issue #7910](https://github.com/akkadotnet/akka.net/issues/7910) where `LWWDictionary.Delta` would throw `ArgumentNullException` when the underlying `ORDictionary.Delta` was `null`, which is a legitimate state after initialization or calling `ResetDelta()`.

* [Improve TLS/SSL certificate error messages during handshake failures](https://github.com/akkadotnet/akka.net/pull/7891) - Provides human-readable, actionable error messages for TLS/SSL certificate validation failures with detailed troubleshooting guidance, significantly improving the developer experience when configuring certificate-based authentication.

1 contributor since release 1.5.52
1 contributor since release 1.5.53

| COMMITS | LOC+ | LOC- | AUTHOR |
| --- | --- | --- | --- |
| 2 | 1060 | 77 | Aaron Stannard |
| 2 | 159 | 20 | Aaron Stannard |


To [see the full set of changes in Akka.NET v1.5.53, click here](https://github.com/akkadotnet/akka.net/milestone/136?closed=1)</PackageReleaseNotes>
To [see the full set of changes in Akka.NET v1.5.54, click here](https://github.com/akkadotnet/akka.net/milestone/137?closed=1)</PackageReleaseNotes>
</PropertyGroup>
<ItemGroup Label="Analyzers" Condition="'$(MSBuildProjectName)' != 'Akka'">
<PackageReference Include="Akka.Analyzers" Version="$(AkkaAnalyzerVersion)" PrivateAssets="all" />
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19 changes: 19 additions & 0 deletions RELEASE_NOTES.md
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#### 1.5.54 October 17th, 2025 ####

Akka.NET v1.5.54 is a patch release containing important bug fixes for Akka.Streams and Akka.DistributedData.

**Bug Fixes:**

* [Fix SourceRef.Source and SinkRef.Sink non-idempotent property bug](https://github.com/akkadotnet/akka.net/pull/7907) - Fixes [issue #7895](https://github.com/akkadotnet/akka.net/issues/7895) where `ISourceRef<T>.Source` and `ISinkRef<T>.Sink` properties created new stage instances on every access, causing race conditions and intermittent subscription timeouts. These properties are now idempotent using `Lazy<T>`, preventing failures from accidental property access (debugger inspection, logging, serialization frameworks).

* [Fix LWWDictionary.Delta ArgumentNullException when underlying delta is null](https://github.com/akkadotnet/akka.net/pull/7912) - Fixes [issue #7910](https://github.com/akkadotnet/akka.net/issues/7910) where `LWWDictionary.Delta` would throw `ArgumentNullException` when the underlying `ORDictionary.Delta` was `null`, which is a legitimate state after initialization or calling `ResetDelta()`.

1 contributor since release 1.5.53

| COMMITS | LOC+ | LOC- | AUTHOR |
| --- | --- | --- | --- |
| 2 | 159 | 20 | Aaron Stannard |


To [see the full set of changes in Akka.NET v1.5.54, click here](https://github.com/akkadotnet/akka.net/milestone/137?closed=1)

#### 1.5.53 October 9th, 2025 ####

Akka.NET v1.5.53 is a security patch containing important fixes for TLS/SSL hostname validation and improved error diagnostics for certificate authentication issues.
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