Summary

Welcome to the January 2026 Akka.NET Community Standup! Since our last meetup in November 2025, we've had 8 releases across the Akka.NET ecosystem with significant new features and stability improvements:

Key Highlights:

• 🔧 .NET 10 Compatibility: v1.5.58 includes critical fix for .NET 10 CLR shutdown hook changes
• 📝 Native Semantic Logging: v1.5.57 adds comprehensive structured logging with named property templates and 75% allocation reduction
• ⚡ Async Persistence: New completion callbacks and async handler support for Persist, PersistAsync, PersistAll, and PersistAllAsync
• 🐛 Remoting Stability: Fixed critical bug where invalid TLS traffic could terminate the entire ActorSystem
• 🔬 Race Condition Fixes: Multiple race condition fixes in cluster sharding, QueueSink, and streams
• 📊 New Telemetry Commands: Petabridge.Cmd 1.5.0 adds actor telemetry for live actor monitoring and leak detection

Looking Ahead:

• v1.6 development continues with 31 open issues remaining
• Focus on AOT compilation, Artery transport, and dropping .NET Standard 2.0

Join us as we discuss these updates, share future plans, and showcase community projects!

Recent Akka.NET Releases (since November 19, 2025)

Akka.NET v1.5.56 - November 25, 2025

Critical Bug Fixes

• [ ] Fixed Akka.Remote shutdown on invalid TLS traffic (#7952)
  • Previously, invalid traffic (like HTTP requests) hitting a TLS-enabled port would terminate the entire ActorSystem
  • Server now rejects invalid connections gracefully
  • Fixes #7938
• [ ] Fixed race condition in ChannelSource on channel completion (#7951)
  • Prevented NullReferenceException when completing ChannelWriter while stream waits for data
  • Fixes #7940

Akka.NET v1.5.57 - December 11, 2025