Update dependency Akka.TestKit to v1.5.25 - autoclosed

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Akka.TestKit	1.4.46 -> 1.5.25

---

Release Notes

akkadotnet/akka.net (Akka.TestKit)

v1.5.25

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Akka.NET v1.5.25 includes a critical bug fix for logging and some other minor fixes.

Logging Errors Introduced in v1.5.21

Versions [v1.5.21,v1.5.24] are all affected by Akka.Logging: v1.5.21 appears to have truncated log source, timestamps, etc from all log messages - this was a bug introduced when we added the log-filtering feature we shipped in Akka.NET v1.5.21.

This issue has been resolved in v1.5.25 and we've added regression tests to ensure that the log format gets version-checked just like our APIs going forward.

Other fixes:

• Akka.Router: sending a message to a remote actor via IScheduledTellMsg results in serialization error
• Akka.Discovery: Make Akka.Discovery less coupled with Akka.Management

You can see the full set of changes for Akka.NET v1.5.25 here.

COMMITS	LOC+	LOC-	AUTHOR
6	347	44	Aaron Stannard
2	1197	1015	Gregorius Soedharmo

v1.5.24

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Akka.NET v1.5.24 is a patch release for Akka.NET that addresses CVE-2018-8292 and also adds a quality of life improvement to IActorRef serialization.

• Fix invalid serializer was being used when serialize-message is set to true
• Add Serialization.DeserializeActorRef() QoL method
• Resolve CVE-2018-8292 in this PR and this PR

COMMITS	LOC+	LOC-	AUTHOR
3	35	22	Gregorius Soedharmo
1	26	51	Mike Perrin
1	15	2	Aaron Stannard

You can see the full set of changes for Akka.NET v1.5.24 here.

v1.5.23

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• Fix missing HandOverDone handler in ClusterSingletonManager
• Add push mode to ShardedDaemonProcess

COMMITS	LOC+	LOC-	AUTHOR
2	299	44	Aaron Stannard
1	47	49	Gregorius Soedharmo
1	1	1	Hassan Abu Bakar

You can see the full set of changes for Akka.NET v1.5.23 here.

v1.5.22

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Akka.NET v1.5.22 is a patch release for Akka.NET with a few bug fixes and logging improvement.

• Streams: Bump Reactive.Streams to 1.0.4
• Remote: Bump DotNetty.Handlers to 0.7.6
• Core: Resolve CVE-2018-8292 for Akka.Streams and Akka.Remote
• Core: Expose BusLogging EventStream as public API
• Remote: Add cross-platform support to the exception serializer

On Resolving CVE-2018-8292

In order to resolve this CVE, we had to update DotNetty.Handlers to the latest version and unfortunately, this comes with about 10% network throughput performance hit. We are looking into possible replacement for DotNetty to improve this performance lost in the future (see #7225 for updates).

Before

Num clients, Total [msg], Msgs/sec, Total [ms], Start Threads, End Threads  
         1,  200000,    125000,    1600.62,            46,              76  
         5, 1000000,    494072,    2024.04,            84,              95  
        10, 2000000,    713013,    2805.73,           103,             107  
        15, 3000000,    724463,    4141.38,           115,             115  
        20, 4000000,    714669,    5597.66,           123,             123  
        25, 5000000,    684932,    7300.37,           131,             107  
        30, 6000000,    694525,    8639.88,           115,              93  

After

Num clients, Total [msg], Msgs/sec, Total [ms], Start Threads, End Threads
         1,  200000,    123763,    1616.32,            46,              73
         5, 1000000,    386101,    2590.66,            81,              90
        10, 2000000,    662691,    3018.54,            98,             104
        15, 3000000,    666223,    4503.86,           112,             113
        20, 4000000,    669681,    5973.89,           121,             113
        25, 5000000,    669255,    7471.86,           121,             105
        30, 6000000,    669121,    8967.61,           113,              92

COMMITS	LOC+	LOC-	AUTHOR
6	167	188	Aaron Stannard
3	93	10	Gregorius Soedharmo

You can see the full set of changes for Akka.NET v1.5.22 here.

v1.5.21

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Akka.NET v1.5.21 is a significant release for Akka.NET with a major feature additions and bug fixes.

• Core: Fix error logging bug
• Core: Add log filtering feature
• Pub-Sub: Fix missing SendOneMessageToEachGroup property
• Core: Fix incorrect IWrappedMessage deserialization when serialize-messages setting is on
• Core: Bump Akka.Analyzers to 0.2.5

Log Message Filtering

You can now filter out unwanted log messages based on either its source or message content. Documentation can be read in the logging documentation.

New Akka.Analyzers Rule

Added AK1006 rule to suggest user to use PersistAll() and PersistAllAsync() when applicable. Documentation can be read in the documentation

COMMITS	LOC+	LOC-	AUTHOR
7	900	53	Aaron Stannard
5	497	1187	Gregorius Soedharmo
1	1	1	Åsmund

You can see the full set of changes for Akka.NET v1.5.21 here.

v1.5.20

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Akka.NET v1.5.20 is a patch release for Akka.NET with a few bug fixes and Akka.Streams quality of life improvement.

• Cluster: Fix split brain resolver downing all nodes when failure detector records are unclean/poisoned
• TestKit: Fix AkkaEqualException message formatting
• Core: Generate Protobuf code automatically during build
• Streams: LogSource quality of life improvement
• Core: Fix HashedWheelTimer startup crash

COMMITS	LOC+	LOC-	AUTHOR
5	360	93	Aaron Stannard
3	187	20	Gregorius Soedharmo
1	81	41827	Yan Pitangui

You can see the full set of changes for Akka.NET v1.5.20 here.

v1.5.19

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Akka.NET v1.5.19 is a patch release for Akka.NET with a few bug fixes.

• Persistence.SQLite: Bump Microsoft.Data.SQLite to 8.0.4
• Core: Bump Google.Protobuf to 3.26.1
• Core: Bump Akka.Analyzer to 0.2.4
• Remote: Improve logging
• Cluster: Improve logging
• Core: Fix resource contention problem with HashedWheelTimerScheduler during start-up
• TestKit: Fix async deadlock by replacing IAsyncQueue with System.Threading.Channel

Akka.Analyzers

We've added 3 new analyzer rules to Akka.Analyzers:

• AK1004

  AK1004 warns users to replace any ScheduleTellOnce() and ScheduleTellRepeatedly() invocation inside an actor to implement IWithTimers interface instead. Documentation can be read here

• AK1005

  AK1005 warns users about improper Sender and Self access from inside an async lambda callbacks inside actor implementation. Documentation can be read here

• AK1007

  AK1007 is an error message for any Timers.StartSingleTimer() and Timers.StartPeriodicTimer() invocation from inside the actor PreRestart() and AroundPreRestart() lifecycle callback methods. Documentation can be read here

COMMITS	LOC+	LOC-	AUTHOR
9	366	1951	Aaron Stannard
9	14	14	dependabot[bot]
2	516	30	Gregorius Soedharmo

You can see the full set of changes for Akka.NET v1.5.19 here.

v1.5.18

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Akka.NET v1.5.18 is a patch release for Akka.NET with a feature addition.

• Migrate all internal dispatchers to default thread pool dispatcher

COMMITS	LOC+	LOC-	AUTHOR
1	9	9	Aaron Stannard
1	1	1	dependabot[bot]

You can see the full set of changes for Akka.NET v1.5.18 here.

v1.5.17.1

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Akka.NET v1.5.17.1 is a patch release for Akka.NET with a bug fix.

• Core: Bump Akka.Analyzers to 0.2.3.1

COMMITS	LOC+	LOC-	AUTHOR
1	1	1	Gregorius Soedharmo
1	1	1	Aaron Stannard

v1.5.17

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Akka.NET v1.5.17.1 is a patch release for Akka.NET with a bug fix.

• Core: Bump Akka.Analyzers to 0.2.3.1

COMMITS	LOC+	LOC-	AUTHOR
1	1	1	Gregorius Soedharmo
1	1	1	Aaron Stannard

v1.5.16

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Akka.NET v1.5.16 is a patch release for Akka.NET with some feature additions and changes.

• Core: Bump Google.Protobuf to 3.25.2
• Core: Remove redundant assembly titles
• Akka.Cluster.Sharding: Fix sharding entity ID extractor nullability
• Akka.Cluster.Sharding: Fix cluster sharding benchmark
• Akka.TestKit: Fix Watch and Unwatch bug
• Akka.Cluster.Metrics: Separate business models and wire format models
• Akka.Analyzer: Bump Akka.Analyzer to 0.2.2

Akka.Analyzers

We have expanded Akka.Analyzer and introduced 2 new rules to the Roslyn analyzer:

• AK1002: Error: Must not await Self.GracefulStop() inside ReceiveAsync<T>() or ReceiveAnyAsync
• AK1003: Warning: ReceiveAsync<T>() or ReceiveAnyAsync() message handler without async lambda body

See the full set of supported Akka.Analyzers rules here

You can see the full set of changes for Akka.NET v1.5.16 here.

COMMITS	LOC+	LOC-	AUTHOR
6	1268	628	Gregorius Soedharmo
5	6	6	dependabot[bot]
2	286	224	Aaron Stannard
1	2120	0	Yan Pitangui
1	2	2	Mattias Jakobsson
1	2	0	Ebere Abanonu
1	0	65	Simon Cropp

v1.5.15

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Akka.NET v1.5.15 is a significant release for Akka.NET with some major feature additions and changes.

• Introducing Akka.Analyzers - Roslyn Analysis for Akka.NET
• Akka.Cluster.Sharding: perf optimize message extraction, automate StartEntity and ShardEnvelope handling
• Akka.Cluster.Tools: Make ClusterClient messages be serialized using ClusterClientMessageSerializer
• Akka.Persistence: Fix LocalSnapshotStore Metadata Fetch to ensure persistenceid match.
• Akka.Delivery: Fix ProducerControllerImpl<T> state bug
• Change MS.EXT and System package versioning to range - we now support all Microsoft.Extensions packages from (6.0,].
• Akka.Serialization: INoSerializationVerificationNeeded does not handle IWrappedMessage correctly

Akka.Analyzers

The core Akka NuGet package now references Akka.Analyzers, a new set of Roslyn Code Analysis and Code Fix Providers that we distribute via NuGet. You can see the full set of supported Akka.Analyzers rules here.

Akka.Cluster.Sharding Changes

In #​6863 we made some major changes to the Akka.Cluster.Sharding API aimed at helping improve Cluster.Sharding's performance and ease of use. However, these changes may require some effort on the part of the end user in order to take full advantage:

• ExtractEntityId and ExtractShardId have been deprecated as they fundamentally can't be extended and can't benefit from the performance improvements introduced into Akka.NET v1.5.15. It is imperative that you migrate to using the HashCodeMessageExtractor instead.
• You no longer need to handle ShardRegion.StartEntity or ShardingEnvelope inside your IMessageExtractor implementations, and in fact AK2001 (part of Akka.Analyzers) will automatically detect this and remove those handlers for you. Akka.NET automatically handles these two message types internally now.

ClusterClient Serialization Changes

In #​7032 we solved a long-standing serialization problem with the ClusterClient where Send, SendToAll, and Publish were not handled by the correct internal serializer. This has been fixed by default in Akka.NET v1.5.15, but this can potentially cause wire compatibility problems during upgrades - therefore we have introduced a configuration setting to toggle this:

v1.5.14

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Akka.NET v1.5.14 is a maintenance release with several bug fixes.

• Streams: Ensure stream are closed on shutdown
• Akka: Fix PeriodicTimer HashWheelTimerScheduler deadlock during start
• Cluster: Old version of LeastShardAllocationStrategy is now deprecated
• Query: Add a more descriptive ToString() values to Offset types
• Package dependency upgrades
  • MNTR: Bump Akka.Multinode.TestAdapter to 1.5.13
  • Akka: Bump Polyfill to 1.28
  • Akka: Bump Google.Protobuf to 3.24.4
  • DData: Bump LightningDB to 0.16.0
  • Persistence: Bump Microsoft.Data.SQLite to 7.0.13

If you want to see the full set of changes made in Akka.NET v1.5.14, click here.

COMMITS	LOC+	LOC-	AUTHOR
11	25	21	dependabot[bot]
3	14	2	Aaron Stannard
3	114	369	Simon Cropp
2	36	31	Gregorius Soedharmo
1	41	43	Lehonti Ramos
1	38	0	Yaroslav Paslavskiy
1	3	0	Sean Killeen
1	227	25	Drew
1	1	1	szaliszali

v1.5.13

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Akka.NET v1.5.13 is a maintenance release with several bug fixes and also performance and QOL improvements.

• Akka: Clean up and optimize actor name validation
• Akka: Wrap all scheduler Tell messages in IScheduledMessage envelope
• Akka: Fix possible NRE bug in Dispatchers
• Akka.Cluster.Sharding: Log shard coordinator remember entities timeout
• Akka.Cluster.Sharding: Fix shard coordinator throwing NullReferenceException
• Akka.Streams: Log errors inside SelectAsync stage
• Akka.Streams: Add supervisor strategy support for Throttle stage
• Akka: Change HashedWheelTimerScheduler implementation to use PeriodicTimer for net6.0+ builds
• Package dependency upgrades
  • Bump Polyfill to 1.27.1
  • Bump Microsoft.Data.SQLite to 7.0.11
  • Bump Google.Protobuf tp 3.24.3

If you want to see the full set of changes made in Akka.NET v1.5.13, click here.

COMMITS	LOC+	LOC-	AUTHOR
18	25	25	dependabot[bot]
6	435	200	Gregorius Soedharmo
4	512	293	Aaron Stannard
2	3	7	Simon Cropp
1	7	0	Sergey Popov
1	66	17	Ismael Hamed
1	1	1	HamzaAmjad-RG

v1.5.12

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Akka.NET v1.5.12 is a maintenance release with a minor API change and a minor bug fix.

• Persistence.Query: Fix ReadJournalFor() thread safety
• Persistence.Query: Expose new Tags property in EventEnvelope
• Documentation: Fix typo in member-roles.md

If you want to see the full set of changes made in Akka.NET v1.5.12, click here.

COMMITS	LOC+	LOC-	AUTHOR
5	34	18	Aaron Stannard
2	150	51	Gregorius Soedharmo
1	1	1	dependabot[bot]
1	1	1	Jim Aho

v1.5.11

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Akka.NET v1.5.11 is a maintenance release with a minor API change and internal code modernization/cleanup.

• Remote: Modernize DotNettyTransportSettings class and add support for a SSL Setup class
• PubSub: Make CountSubscriber query command public

If you want to see the full set of changes made in Akka.NET v1.5.11, click here.

COMMITS	LOC+	LOC-	AUTHOR
1	465	321	Gregorius Soedharmo
1	22	2	Aaron Stannard

v1.5.10

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Akka.NET v1.5.10 is a maintenance release with a minor API change.

• Persistence.TCK: Add constructor overload that takes ActorSystemSetup argument

If you want to see the full set of changes made in Akka.NET v1.5.10, click here.

COMMITS	LOC+	LOC-	AUTHOR
1	70	12	Gregorius Soedharmo

v1.5.9

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Akka.NET v1.5.9 is a maintenance release that introduces some performance improvements and internal code cleanup/modernization.

Changes:

• Remoting: Make transport adapter component public

Improvements:

• Memory optimization, use Array.Empty instead of creating empty arrays
• Remoting: Log all wrapped message layers during errors
• Port #​6805 and #​6807, Improve Stream and Pattern.Backoff instance creation time performance
• DData: Harden LWWDictionary serialization null check

Code modernization:

• Use C# 9.0 target-typed new()
• Use C# 8.0 null-coalescing operator

Update dependency versions:

• Bump Google.Protobuf to 3.23.4
• Bump Akka.MultiNode.TestAdapter to 1.5.8
• Bump Microsoft.Data.SQLite to 7.0.9
• Bump Microsoft.Extensions.ObjectPool to 7.0.8
• Bump Xunit to 2.5.0

Akka.TestKit.Xunit Changes

Due to breaking API change in Xunit 2.5.0, updating to Akka.NET 1.5.9 might break your unit tests. Some of the breaking change that we've noticed are:

• AkkaEqualException constructor has been changed due to changes in Xunit API. If you're using this class, please use the AkkaEqualException.ForMismatchedValues() static method instead of using the constructor.
• Testing for exception types by calling async code inside a sync delegate will not unwrap the AggregateException thrown. Either use async all the way or manually unwrap the exception.
• Xunit Asset.Equal() does not automatically check for collection item equality anymore, that means doing Assert.Equal() between two dictionary or list would not work anymore.
• Some Xunit classes have been changed from public to private. If you're using these classes, you will need to refactor your code.
• FsCheck.Xunit: Xunit Roslyn analyzer has become a bit too overzealous and insists that all unit test method can only return either void or Task and will raise a compilation error if you tried to return anything else. If you're using FsCheck.Xunit, you will need to use a pragma to disable this check: #pragma warning disable xUnit1028.

If you want to see the full set of changes made in Akka.NET v1.5.9, click here.

COMMITS	LOC+	LOC-	AUTHOR
12	171	155	dependabot[bot]
7	466	165	Aaron Stannard
4	1648	1725	Simon Cropp
1	9	4	Gregorius Soedharmo
1	7	1	Michael Buck

v1.5.8

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Akka.NET v1.5.8 is a maintenance release that introduces some new features and fixes some bugs with Akka.NET v1.5.7 and earlier.

• Akka.Streams: Added Source/Flow Setup operator
• Akka.Cluster.Sharding: fixed potential wire format problem when upgrading from v1.4 to v1.5 with state-store-mode=ddata and remember-entities=on
• Akka.Remote.TestKit: Fix MNTR crashing because it is using PolyFill extension method

If you want to see the full set of changes made in Akka.NET v1.5.8, click here.

COMMITS	LOC+	LOC-	AUTHOR
9	11	11	dependabot[bot]
2	8	0	Aaron Stannard
2	75	4	Gregorius Soedharmo
2	132	158	Simon Cropp
1	431	1	Ismael Hamed
1	1	1	Andrea Di Stefano

v1.5.7

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Akka.NET v1.5.7 is a significant release that introduces a major new reliable message delivery feature to Akka.NET and Akka.Cluster.Sharding: Akka.Delivery.

Akka.Delivery

Akka.Delivery is a reliable delivery system that leverages built-in actors, serialization, and persistence to help guarantee that all messages sent from one producer to one consumer will be delivered, in-order, even across process restarts / actor restarts / network outages.

Akka.Delivery's functionality is divded across four libraries:

• Akka - defines the base definitions for all messages, the ProducerController type, and the ConsumerController type;
• Akka.Cluster - contains the serialization definitions for Akka.Delivery;
• Akka.Persistence - contains the EventSourcedProducerQueue implementation, an optional feature that can be used to make the ProducerController's outbound delivery queue persisted to the Akka.Persistence Journal and SnapshotStore; and
• Akka.Cluster.Sharding - contains the definitions for the ShardingProducerController and ShardingConsumerController.

We've documented how these features work in the following two detailed articles official website:

• "Reliable Message Delivery with Akka.Delivery"
• "Reliable Delivery over Akka.Cluster.Sharding"

If you want to see the full set of changes made in Akka.NET v1.5.7, click here.

| COMMITS | LOC+ | LOC- | AUTHOR |
| --- | --- | --- | --- |
| 9 | 13972 | 135 | Aaron Stannard |
| 6 | 92 | 88 | Ebere Abanonu |
| 4 | 803 | 807 | Simon Cropp |
| 3 | 70 | 53 | Gregorius Soedharmo |
| 3 | 3 | 3 | dependabot[bot] |

v1.5.6

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Version 1.5.6 is a patch with a few minor bug fix

• TestKit: Remove duplicate info log for unhandled messages
• Core: Change logging DateTime formatter from 12 hour to 24 hour format

If you want to see the full set of changes made in Akka.NET v1.5.6, click here.

COMMITS	LOC+	LOC-	AUTHOR
2	4	4	Aaron Stannard
2	33	84	Simon Cropp
2	2	2	dependabot[bot]
2	2	2	Richard Smith
1	2	2	Gregorius Soedharmo
1	2	12	Sergey Popov

v1.5.5

Compare Source

• TestKit: Add new variant of ExpectAll that accepts predicates
• FSharp: Downgrade FSharp to v6.0.5
• Core: Bump Google.Protobuf from 3.22.1 to 3.22.3
• Core: Fix ByteString to check for index bounds
• Core: Fix ReceiveActor ReceiveAsync ReceiveTimeout bug
• Core: Fix race condition inside FastLazy

If you want to see the full set of changes made in Akka.NET v1.5.5, click here.

7 contributors since release 1.5.4

COMMITS	LOC+	LOC-	AUTHOR
16	68	34	Ebere Abanonu
9	598	1053	Simon Cropp
4	4	4	dependabot[bot]
2	229	5	Gregorius Soedharmo
1	33	28	Aaron Stannard
1	256	3	Malcolm Learner
1	148	140	Sergey Popov

v1.5.4

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• Akka: Enhance IStash API and configuration
• Akka: Add bounded IStash configuration

IStash Enhancements

IStash API have been improved with metrics API and its bound/capacity can be programatically set. Documentation can be read here

If you want to see the full set of changes made in Akka.NET v1.5.4, click here.

5 contributors since release 1.5.3

COMMITS	LOC+	LOC-	AUTHOR
7	477	486	Ebere Abanonu
4	627	143	Aaron Stannard
2	2	2	dependabot[bot]
1	87	0	Sergey Popov
1	0	1	Gregorius Soedharmo

v1.5.3

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• Persistence.Sqlite: Bump Microsoft.Data.SQLite to 7.0.5
• Serialization.Hyperion: Fix bug: surrogate and known type provider not applied correctly by Setup
• Akka: Bump Microsoft.Extensions.ObjectPool to 7.0.5
• Persistence.Sql.Common: Add transaction isolation level to SQL queries

SQL Transaction Isolation Level Setting

In 1.5.3, we're introducing fine-grained control over transaction isolation level inside the Akka.Persistence.Sql.Common common library. This setting will be propagated to the rest of the SQL persistence plugin ecosystem and the Akka.Hosting package in their next release version.

Four new HOCON settings are introduced:

• akka.persistence.journal.{plugin-name}.read-isolation-level
• akka.persistence.journal.{plugin-name}.write-isolation-level
• akka.persistence.snapshot-store.{plugin-name}.read-isolation-level
• akka.persistence.snapshot-store.{plugin-name}.write-isolation-level

you can go to the official Microsoft documentation to read more about these isolation level settings.

If you want to see the full set of changes made in Akka.NET v1.5.3, click here.

COMMITS	LOC+	LOC-	AUTHOR
23	1284	1248	Ebere Abanonu
4	7	7	dependabot[bot]
3	933	267	Gregorius Soedharmo
2	4498	4407	Aaron Stannard

v1.5.2

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Placeholder for nightlies

v1.5.1

Compare Source

Akka.NET v1.5.19 is a patch release for Akka.NET with a few bug fixes.

• Persistence.SQLite: Bump Microsoft.Data.SQLite to 8.0.4
• Core: Bump Google.Protobuf to 3.26.1
• Core: Bump Akka.Analyzer to 0.2.4
• Remote: Improve logging
• Cluster: Improve logging
• Core: Fix resource contention problem with HashedWheelTimerScheduler during start-up
• TestKit: Fix async deadlock by replacing IAsyncQueue with System.Threading.Channel

Akka.Analyzers

We've added 3 new analyzer rules to Akka.Analyzers:

• AK1004

  AK1004 warns users to replace any ScheduleTellOnce() and ScheduleTellRepeatedly() invocation inside an actor to implement IWithTimers interface instead. Documentation can be read here

• AK1005

  AK1005 warns users about improper Sender and Self access from inside an async lambda callbacks inside actor implementation. Documentation can be read here

• AK1007

  AK1007 is an error message for any Timers.StartSingleTimer() and Timers.StartPeriodicTimer() invocation from inside the actor PreRestart() and AroundPreRestart() lifecycle callback methods. Documentation can be read here

COMMITS	LOC+	LOC-	AUTHOR
9	366	1951	Aaron Stannard
9	14	14	dependabot[bot]
2	516	30	Gregorius Soedharmo

You can see the full set of changes for Akka.NET v1.5.19 here.

v1.5.0

Version 1.5.0 is a major new release of Akka.NET that is now marked as stable and ready for production use.

You can read the full notes about what's changed in Akka.NET v1.5 here. We also encourage you to watch our video: "Akka NET v1.5 New Features and Upgrade Guide"

If you want to see the full set of changes made in Akka.NET v1.5.0 so far, click here.

COMMITS	LOC+	LOC-	AUTHOR
95	25041	24976	Gregorius Soedharmo
85	89784	18362	Aaron Stannard
76	95	95	dependabot[bot]
18	3201	908	Ismael Hamed
5	230	251	Sergey Popov
2	77	7	Vagif Abilov
2	38	8	Brah McDude
1	92	92	nabond251
1	843	0	Drew
1	7	6	Tjaart Blignaut
1	5	4	Sean Killeen
1	32	1	JonnyII
1	26	4	Thomas Stegemann
1	203	5	Ebere Abanonu
1	2	2	Popov Sergey
1	2	2	Denis
1	16	0	Damian
1	11	2	Nicolai Davies
1	101	3	aminchenkov
1	1	1	zbynek001
1	1	1	Michel van Os
1	1	1	Adrian D. Alvarez

v1.4.51: Akka.NET v1.4.51

1.4.51 June 28th 2023

• Perf: Backoff Supervisor uses Expression based Props
• Akka.Streams: Do not use expression based props for long lived streams

1.4.50 March 15th 2023

• Query.Sql: Fix PersistenceIdPublisher froze on failure messages
• Akka: Improve DeadLetter log message
• Akka: Fix StackOverflow exception in NewtonsoftJsonSerializer
• Akka.Persistence: Add Persistence.Query support to InMemory journal
• Akka: Fix bugs reported by PVS-Studio static analyzer

COMMITS	LOC+	LOC-	AUTHOR
6	2402	241	Gregorius Soedharmo

1.4.49 January 26th 2023

Akka.NET v1.4.49 includes some new core Akka.NET APIs and bug fixes to fundamental Akka.Actor behavior.

• Akka.Actor: Read stash capacity from actor's mailbox or dispatcher configuration
• Akka.Actor: Added support for UnrestrictedStash
• Akka.Actor: Add API for UntypedActorWithStash types
• Akka.Actor: set default PoolRouter.SupervisorStrategy to Restart
• Akka.Persistence.Sql.Common: FailChunkExecution does not handle DbExceptions wrapped in an AggregateException

You can see the full set of tracked issues for Akka.NET v1.4.49 here.

COMMITS	LOC+	LOC-	AUTHOR
2	711	186	Ismael Hamed
2	41	182	Aaron Stannard

1.4.48 January 5th 2023

Akka.NET v1.4.48 is a minor release that introduces some additional APIs to Akka.NET.

• Akka.Streams: ChannelSource<T> and ChannelSink<T> moved from Alpakka into main project - these stages are now part of the normal Akka.Streams.Dsl.
• Akka: make FutureActorRef<T> unsealed

You can see the full set of tracked issues for Akka.NET v1.4.48 here.

COMMITS	LOC+	LOC-	AUTHOR
3	846	29	Aaron Stannard

1.4.47 December 9th 2022

Akka.NET v1.4.47 is a maintenance patch for Akka.NET v1.4.46 that includes a variety of bug fixes, performance improvements, and new features.

Actor Telemetry

Starting in Akka.NET v1.4.47 local and remotely deployed actors will now emit events when being started, stopped, and restarted:

public interface IActorTelemetryEvent : INoSerializationVerificationNeeded, INotInfluenceReceiveTimeout
{
    /// <summary>
    /// The actor who emitted this event.
    /// </summary>
    IActorRef Subject {get;}
    
    /// <summary>
    /// The implementation type for this actor.
    /// </summary>
    Type ActorType { get; }
}

/// <summary>
/// Event emitted when actor starts.
/// </summary>
public sealed class ActorStarted : IActorTelemetryEvent
{
    public IActorRef Subject { get; }
    public Type ActorType { get; }
}

/// <summary>
/// Event emitted when actor shuts down.
/// </summary>
public sealed class ActorStopped : IActorTelemetryEvent
{
    public IActorRef Subject { get; }
    public Type ActorType { get; }
}

/// <summary>
/// Emitted when an actor restarts.
/// </summary>
public sealed class ActorRestarted : IActorTelemetryEvent
{
    public IActorRef Subject { get; }
    public Type ActorType { get; }
    
    public Exception Reason { get; }
}

These events will be consumed from popular Akka.NET observability and management tools such as Phobos and Petabridge.Cmd to help provide users with more accurate insights into actor workloads over time, but you can also consume these events yourself by subscribing to them via the EventStream:

// subscribe to all actor telemetry events
Context.System.EventStream.Subscribe(Self, typeof(IActorTelemetryEvent));

By default actor telemetry is disabled - to enable it you'll need to turn it on via the following HOCON setting:

akka.actor.telemetry.enabled = on

The performance impact of enabling telemetry is negligible, as you can see via our benchmarks.

Fixes and Updates

• Akka.Streams: Fixed System.NotSupportedException when disposing stage with materialized IAsyncEnumerable
• Akka.Streams: ReuseLatest stage to repeatedly emit the most recent value until a newer one is pushed
• Akka.Remote: eliminate ActorPath.ToSerializationFormat UID allocations - should provide a noticeable Akka.Remote performance improvement.
• Akka.Remote: Remoting and an exception as a payload message - Exception types are now serialized properly inside Status.Failure messages over the wire. Status.Failure and Status.Success messages are now managed by Protobuf - so you might see some deserialization errors while upgrading if those types are being exchanged over the wire.
• Akka.TestKit: TestActorRef can not catch exceptions on asynchronous methods

You can see the full set of tracked issues for Akka.NET v1.4.47 here.

COMMITS	LOC+	LOC-	AUTHOR
10	2027	188	Aaron Stannard
1	157	10	Gregorius Soedharmo

1.4.46 November 15th 2022

Akka.NET v1.4.46 is a security patch for Akka.NET v1.4.45 but also includes some other fixes.

Security Advisory: Akka.NET v1.4.45 and earlier depend on an old System.Configuration.ConfigurationManager version 4.7.0 which transitively depends on System.Common.Drawing v4.7.0. The System.Common.Drawing v4.7.0 is affected by a remote code execution vulnerability GHSA-ghhp-997w-qr28.

We have separately created a security advisory for Akka.NET Versions < 1.4.46 and < 1.5.0-alpha3 to track this issue.

Fixes and Updates

• Akka: Upgrade to Newtonsoft.Json 13.0.1 as minimum version
• Akka: Upgrade to System.Configuration.ConfigurationManager 6.0.1 - resolves security issue.
• Akka.IO: Report cause for Akka/IO TCP CommandFailed events
• Akka.Cluster.Tools: Make sure that DeadLetters published by DistributedPubSubMediator contain full context of topic
• Akka.Cluster.Metrics: Improve CPU/Memory metrics collection at Akka.Cluster.Metrics - built-in metrics are now much more accurate.

You can see the full set of tracked issues for Akka.NET v1.4.46 here.

1.4.45 October 19th 2022

Akka.NET v1.4.45 is a patch release for Akka.NET v1.4 for a bug introduced in v1.4.44.

Patch

• Akka.NET: Revert change to ConfigurationException that is causing binary backward compatibility problem

1.4.44 October 17th 2022

Akka.NET v1.4.44 is a maintenance release for Akka.NET v1.4 that contains numerous performance improvements in critical areas, including core actor message processing and Akka.Remote.

Performance Fixes

• remove delegate allocation from ForkJoinDispatcher and DedicatedThreadPool
• eliminate Mailbox delegate allocations
• Reduce FSM<TState, TData> allocations
• removed boxing allocations inside FSM.State.Equals
• Eliminate DefaultLogMessageFormatter allocations

In sum you should expect to see total memory consumption, garbage collection, and throughput improve when you upgrade to Akka.NET v1.4.44.

Other Features and Improvements

• Akka.Cluster and Akka.Cluster.Sharding: should throw human-friendly exception when accessing cluster / sharding plugins when clustering is not running
• Akka.Cluster.Sharding: Add HashCodeMessageExtractor factory
• Akka.Persistence.Sql.Common: Fix DbCommand.CommandTimeout in BatchingSqlJournal

You can see the full list of fixes in Akka.NET v1.4.44 here.

COMMITS	LOC+	LOC-	AUTHOR
10	651	69	@​Aaronontheweb
4	275	17	@​Arkatufus

1.4.42 September 23 2022

Akka.NET v1.4.42 is a minor release that contains some minor bug fixes.

• DData: Suppress gossip message from showing up in debug log unless verbose debug logging is turned on

• TestKit: TestKit automatically injects the default TestKit default configuration if an ActorSystem is passed into its constructor

• Sharding: Added a new GetEntityLocation query message to retrieve an entity address location in the shard region

  In order to use this query, "remember entities" should be turned on or the provided shard IMessageExtractor supports the ShardRegion.StartEntity message. Complete documentation can be read here

If you want to see the full set of changes made in Akka.NET v1.4.42, click here.

COMMITS	LOC+	LOC-	AUTHOR
3	66	3	Gregorius Soedharmo
1	557	118	Aaron Stannard

1.4.41 August 31 2022

Akka.NET v1.4.41 is a minor release that contains some minor bug fix and throughput performance improvement for Akka.Remote

• Akka: Fix AddLogger in LoggingBus

  Akka loggers are now loaded asynchronously by default. The ActorSystem will wait at most akka.logger-startup-timeout period long (5 seconds by default) for all loggers to report that they are ready before continuing the start-up process.

  A warning will be logged on each loggers that did not report within this grace period. These loggers will still be awaited upon inside a detached Task until either it is ready or the ActorSystem is shut down.

  These late loggers will not capture all log events until they are ready. If your logs are missing portion of the start-up events, check that the logger were loaded within this grace period.

• Akka: Log Exception cause inside Directive.Resume SupervisorStrategy warning log

• DData: Add "verbose-debug-logging" setting to suppress debug message spam

• Akka: Regenerate protobuf codes

  All protobuf codes were re-generated, causing a significant improvement in message deserialization, increasing Akka.Remote throughput.

Before

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19041.1415 (2004/May2020Update/20H1)
AMD Ryzen 9 3900X, 1 CPU, 24 logical and 12 physical cores
.NET SDK=6.0.200
  [Host]     : .NET 6.0.2 (6.0.222.6406), X64 RyuJIT
  DefaultJob : .NET 6.0.2 (6.0.222.6406), X64 RyuJIT

Method	Mean	Error	StdDev	Gen 0	Gen 1	Allocated
WritePayloadPdu	1,669.6 ns	21.10 ns	19.74 ns	0.2156	-	1,808 B
DecodePayloadPdu	2,039.7 ns	12.52 ns	11.71 ns	0.2156	0.0031	1,816 B
DecodePduOnly	131.3 ns	1.32 ns	1.11 ns	0.0563	0.0002	472 B
DecodeMessageOnly	1,665.0 ns	15.03 ns	14.05 ns	0.1406	-	1,184 B
DeserializePayloadOnly	151.2 ns	1.88 ns	1.76 ns	0.0199	-	168 B

After

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19041.1415 (2004/May2020Update/20H1)
AMD Ryzen 9 3900X, 1 CPU, 24 logical and 12 physical cores
.NET SDK=6.0.200
  [Host]     : .NET 6.0.2 (6.0.222.6406), X64 RyuJIT
  DefaultJob : .NET 6.0.2 (6.0.222.6406), X64 RyuJIT

Method	Mean	Error	StdDev	Gen 0	Gen 1	Allocated
WritePayloadPdu	1,623.4 ns	19.95 ns	18.66 ns	0.2219	0.0031	1,880 B
DecodePayloadPdu	1,738.6 ns	22.79 ns	21.31 ns	0.2250	-	1,888 B
DecodePduOnly	175.1 ns	2.31 ns	1.93 ns	0.0572	-	480 B
DecodeMessageOnly	1,296.8 ns	11.89 ns	10.54 ns	0.1469	0.0016	1,232 B
DeserializePayloadOnly	143.6 ns	1.59 ns	1.33 ns	0.0199	0.0002	168 B

If you want to see the full set of changes made in Akka.NET v1.4.41, click here.

COMMITS	LOC+	LOC-	AUTHOR
4	13003	1150	Gregorius Soedharmo
1	3	4	Aaron Stannard

1.4.40 July 19 2022

Akka.NET v1.4.40 is a minor release that contains a bug fix for DotNetty SSL support.

• Akka.Remote: SSL Configuration Fails even EnbleSsl property is set to false
• Akka.Streams: Add IAsyncEnumerable Source

If you want to see the full set of changes made in Akka.NET v1.4.40, click here.

COMMITS	LOC+	LOC-	AUTHOR
8	544	64	Gregorius Soedharmo
1	669	3	Aaron Stannard
1	123	26	Ebere Abanonu
1	101	3	aminchenkov

1.4.39 June 1 2022

Akka.NET v1.4.39 is a minor release that contains some very important bug fixes for Akka.Remote and Akka.Cluster users.

• Akka.Cluster: Error in SplitBrainResolver.PreStart when using ChannelTaskScheduler for internal-dispatcher
• Akka.Cluster.Sharding: make PersistentShardCoordinator a tolerant reader - Akka.Persistence-backed sharding is more lenient when recovering state.
• [Akka.Remote: Trap all `Except

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