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Update RELEASE_NOTES.md for 1.5.57-beta1 release#7956

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Aaronontheweb merged 1 commit into
akkadotnet:v1.5from
Arkatufus:release/Update-RELEASE_NOTES-for-1.5.57-beta1
Dec 2, 2025
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Update RELEASE_NOTES.md for 1.5.57-beta1 release#7956
Aaronontheweb merged 1 commit into
akkadotnet:v1.5from
Arkatufus:release/Update-RELEASE_NOTES-for-1.5.57-beta1

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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 - Fixes issue #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

@Aaronontheweb Aaronontheweb merged commit 5e4e5de into akkadotnet:v1.5 Dec 2, 2025
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2 participants