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Aaronontheweb merged 1 commit into from
Dec 2, 2025
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Update RELEASE_NOTES.md for 1.5.57-beta1 release #7956

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21 changes: 21 additions & 0 deletions RELEASE_NOTES.md
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#### 1.5.57-beta1 December 2nd, 2025 ####

Akka.NET v1.5.57-beta1 is a beta release containing a significant new feature for structured/semantic logging.

**New Features:**

* [Add native semantic logging support with property extraction](https://github.com/akkadotnet/akka.net/pull/7955) - Fixes [issue #7932](https://github.com/akkadotnet/akka.net/issues/7932). This release adds comprehensive structured logging support to Akka.NET with both positional (`{0}`) and named (`{PropertyName}`) message template parsing, enabling seamless integration with modern logging frameworks like Serilog, NLog, and Microsoft.Extensions.Logging. Key capabilities include:
- New `LogMessage.PropertyNames` and `GetProperties()` APIs for property extraction
- `SemanticLogMessageFormatter` as the new default formatter
- Performance optimized with 75% allocation reduction compared to the previous implementation
- Zero new dependencies and fully backward compatible
- EventFilter support for semantic templates in unit tests

1 contributor since release 1.5.56

| COMMITS | LOC+ | LOC- | AUTHOR |
| --- | --- | --- | --- |
| 1 | 2317 | 14 | Aaron Stannard |

To [see the full set of changes in Akka.NET v1.5.57-beta1, click here](https://github.com/akkadotnet/akka.net/milestone/140?closed=1)

#### 1.5.56 November 25th, 2025 ####

Akka.NET v1.5.56 is a patch release containing important bug fixes for Akka.Remote and Akka.Streams.
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