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Updated NLog from 5.4.0 to 6.0.2.

Release notes

Sourced from NLog's releases.

6.0.2

  • #​5930 XmlParser - Handle XML comments after root-end-tag. (@​snakefoot)
  • #​5929 XmlLoggingConfiguration - Improve handling of invalid XML. (@​snakefoot)
  • #​5933 Handle invalid message template when skipping parameters array. (@​snakefoot)
  • #​5915 ReplaceNewLinesLayoutRendererWrapper - Replace more line ending characters. (@​oikku)
  • #​5911 NLog.Targets.GZipFile - Improve support for ArchiveAboveSize. (@​snakefoot)
  • #​5921 FileTarget - Activate legacy ArchiveFileName when ArchiveSuffixFormat contains legacy placeholder. (@​snakefoot)
  • #​5924 AsyncTargetWrapper - Updated FullBatchSizeWriteLimit default value from 5 to 10. (@​snakefoot)
  • #​5937 Mark Assembly loading with RequiresUnreferencedCodeAttribute for AOT. (@​snakefoot)
  • #​5938 Logger - Align WriteToTargets with WriteToTargetsWithSpan. (@​snakefoot)
  • #​5909 ConfigurationItemFactory - Added extension hints for webservice and activityid. (@​snakefoot)
  • #​5918 Log4JXmlTarget - Removed alias NLogViewer as conflicts with other nuget-packages. (@​snakefoot)
  • #​5926 SplunkTarget - NetworkTarget with SplunkLayout. (@​snakefoot)
  • #​5927 GelfLayout - Align with SplunkLayout. (@​snakefoot)
  • #​5913 NLog.Targets.Network - Updated nuget-package README.md. (@​snakefoot)
  • #​5912 NLog.Targets.Trace - Updated nuget-package README.md. (@​snakefoot)
  • #​5919 XML docs for Targets and Layouts with remarks about default value. (@​snakefoot)
  • #​5922 XML docs for LayoutRenderers with remarks about default value. (@​snakefoot)
  • #​5925 XML docs for Target Wrappers with remarks about default value. (@​snakefoot)
  • #​5935 Improve NLog XSD Schema with better handling of typed Layout. (@​snakefoot)
  • #​5923 Updated unit-tests from NET6 to NET8. (@​snakefoot)

6.0.1

Improvements

  • #​5898 Changed ConditionExpression to be nullable by default since no Condition means no filtering. (@​snakefoot)
  • #​5906 Include ConditionExpression in the static type registration. (@​snakefoot)
  • #​5895 Fixed the new XML parser to handle XML comments just before end-tag. (@​snakefoot)
  • #​5905 Fixed the new XML parser to allow InnerText with greater-than characters. (@​snakefoot)
  • #​5891 Updated NLog.Targets.AtomicFile to support net8.0-windows without dependency on Mono.Posix.NETStandard. (@​snakefoot)

6.0.0

Major changes:

  • Support Ahead-of-Time (AOT) builds without warnings
  • Support Nullable references
  • Support ReadOnlySpan to reduce memory allocations
  • LogFactory supports FlushAsync and IDisposableAsync
  • FileTarget removed support for ConcurrentWrites
  • FileTarget refactored file-archive-logic with ArchiveSuffixFormat

NLog v6 has reduced its footprint by extracting features into separate nuget-packages:

List of all NLog 6.0 Pull Requests

See also List of major changes in NLog v6 for more details.

Thanks to all contributers: @​ana1250, @​Pavan8374, @​smnsht, @​RomanSoloweow, @​wadebaird, @​hangy, @​lavige777, @​jokoyoski, @​saltukkos, @​nih0n, @​michaelplavnik, @​Aaronmsv, @​ShadowDancer, @​Orace, @​tvogel-nid, @​martinzding, @​kurnakovv, @​dance, @​JohnVerheij

6.0.0-rc4

Improvements

  • Mark struct as readonly to allow compiler optimization
  • RegisterObjectTransformation to preserve public properties
  • Log4JXmlEventLayout - Enforce MaxRecursionLimit = 0
  • DatabaseTarget with support for AOT (@​JohnVerheij)
  • DatabaseTarget only assign ConnectionString when specified (@​JohnVerheij)

6.0.0-rc3

Improvements

  • Log4JXmlEventLayout - Fixed IncludeEmptyValue for Parameters

6.0.0-rc2

Improvements

  • Fixed NLog XmlParser to support XML comments within XML processing instructions.
  • NLog.Targets.Network now also supports NET35.
  • Updated structs to be readonly to allow compiler optimizations.
  • Updated interface ILoggingConfigurationElement to support nullable Values.
  • Updated all projects to include <IsAotCompatible>
  • Optimized ConsoleTarget to not use Console.WriteLine, and introduced option ForceWriteLine
  • Added new LogEventInfo constructor that supports ReadOnlySpan<MessageTemplateParameter>
  • Updated NLog.Schema nuget-package to include targets-file to copy NLog.xsd to project-folder.
  • Improved configuration-file loading to advise about NLog nuget-packages for missing types.

6.0.0-rc1

Improvements

  • Updated NLog API with <Nullable>enable</Nullable> and introduced Layout.Empty
  • Marked [RequiredParameter] as obsolete, and replaced with explicit option validation during initialization.
  • Marked LogEventInfo.SequenceID and ${sequenceid} as obsolete, and instead use ${counter:sequence=global}.
  • Added support for params ReadOnlySpan when using C# 13
  • Prioritize generic Logger-methods by marking legacy methods with [OverloadResolutionPriority(-1)] when using C# 13
  • Skip LogEventInfo.Parameters-array-allocation when unable to defer message-template formatting.
  • Renamed ChainsawTarget to Log4JXmlTarget to match Log4JXmlEventLayout
  • Updated NLog.Schema to include intellisense for multiple NLog-assemblies.

Unless something bad is discovered, then this will be the last preview build, before the final release of NLog v6.0

Updated NLog v6.0 release notes: https://nlog-project.org/2025/04/29/nlog-6-0-major-changes.html

6.0.0-preview1

Major Changes

  • Support AOT builds without build warnings.
  • New FileTarget without ConcurrentWrites support, but still support KeepFileOpen (true/false).
  • Moved old FileTarget into the new nuget-package NLog.Targets.ConcurrentFile.
  • Created new nuget-package NLog.Targets.AtomicFile that supports ConcurrentWrites for NET8 on both Windows / Linux.
  • Created new nuget-package NLog.Targets.GZipFile that uses GZipStream for writing directly to compressed files.
  • Moved MailTarget into the new nuget-package NLog.Targets.Mail.
  • Moved NetworkTarget into the new nuget-package NLog.Targets.Network.
  • New GelfTarget introduced for the new nuget-package NLog.Targets.Network.
  • New SyslogTarget introduced for the new nuget-package NLog.Targets.Network.
  • Moved TraceTarget and NLogTraceListener into the new nuget-package NLog.Targets.Trace.
  • Moved WebServiceTarget into the new nuget-package NLog.Targets.WebService
  • Removed dependency on System.Text.RegularExpressions and introduced new nuget-package NLog.RegEx.
  • Removed dependency on System.Xml.XmlReader by implementing own internal basic XML-Parser.

NLog v6.0 release notes: https://nlog-project.org/2025/04/29/nlog-6-0-major-changes.html

List of all NLog 6.0 Pull Requests

Thanks to all contributers: @​ana1250, @​Pavan8374, @​smnsht, @​RomanSoloweow, @​wadebaird, @​hangy, @​lavige777, @​jokoyoski, @​saltukkos, @​nih0n, @​michaelplavnik, @​Aaronmsv, @​ShadowDancer, @​Orace, @​tvogel-nid, @​martinzding, @​kurnakovv

5.5.1

  • #​5858 ConsoleTarget - Added ForceWriteLine to match NLog v6 Schema (@​snakefoot)
  • #​5866 Layout.FromLiteral to match NLog v6 (@​snakefoot)
  • #​5888 ChainsawTarget with type-alias Log4JXml to match NLog v6 (@​snakefoot)
  • #​5883 AsyncTargetWrapper - LogEventDropped and EventQueueGrow events fixes (@​dance)
  • #​5890 StringBuilderExt - Change Append2DigitsZeroPadded to array-lookup (@​snakefoot)
  • #​5936 XmlLayout - Support MaxRecursionLimit == 0 (@​snakefoot)
  • #​5936 RegisterObjectTransformation so build trimming will keep public properties (@​snakefoot)

5.5.0

Improvements

  • #​5710 Restored LogFactory.Setup().SetupFromEnvironmentVariables() as not obsolete (#​5710) @​snakefoot
  • #​5717 Avoid using MakeGenericType for Dictionary enumeration when AOT (#​5717) @​snakefoot
  • #​5730 Stop using obsolete Assembly.CodeBase for NetStandard (#​5730) @​snakefoot
  • #​5742 ExceptionLayoutRenderer - Handle Exception properties like StackTrace can throw with AOT (#​5742) @​snakefoot
  • #​5743 ExceptionLayoutRenderer - Handle Data-collection-item ToString can throw with AOT (#​5743) @​snakefoot
  • #​5763 ExceptionLayoutRenderer - Handle Exception-properties can throw with AOT (#​5763) @​snakefoot
  • #​5756 ServiceRepository - Improve exception-handling when resolving service-types while disposing (#​5756) @​snakefoot
  • #​5759 LayoutRenderer - Optimize performance by skipping cache result from render Inner Layout (#​5759) @​snakefoot
  • #​5795 ConditionLayoutExpression - Optimize performance by skipping cache result from render Inner Layout (#​5795) @​snakefoot
  • #​5731 Mark IFactory RegisterType as obsolete, since it will be removed with NLog v6 (#​5731) @​snakefoot
  • #​5766 Mark JsonLayout EscapeForwardSlash as obsolete, since disabled with NLog v6 (#​5766) @​snakefoot
  • #​5823 Mark ExceptionLayoutRenderer Formats-List as obsolete, since immutable with NLog v6 (#​5823) @​snakefoot
  • #​5769 Updated API-code examples to not depend on obsolete SimpleConfigurator (#​5769) @​snakefoot
  • #​5776 ObjectReflectionCache - Handle PropertyValue can throw with AOT (#​5776) @​snakefoot
  • #​5780 NetworkTarget - Introduced option NoDelay to disable delayed ACK (#​5780) @​snakefoot
  • #​5788 Fix InternalLogger noise about reflection for FuncLayoutRenderer (#​5788) @​snakefoot
  • #​5792 TargetWithContext - Reduce allocation for RenderLogEvent when SimpleLayout (#​5792) @​snakefoot
  • #​5810 Refactoring to improve null value handling (#​5810) @​snakefoot
  • #​5812 Refactoring to improve null value handling (#​5812) @​snakefoot
  • #​5817 LoggingConfigurationParser - Prioritize LoggingRules from current config (#​5817) @​snakefoot
  • #​5825 WhenEmptyLayoutRendererWrapper - Optimize IStringValueRenderer Logic (#​5825) @​snakefoot

Commits viewable in compare view.

Updated NLog.Config from 4.3.1 to 4.7.15.

Release notes

Sourced from NLog.Config's releases.

4.7.15

Improvements

  • #​4836 Fixed missing initialization of layout-parameters for ConditionMethodExpression (#​4836) (@​snakefoot)
  • #​4821 LogEventInfo - Optimize copy messageTemplateParameters by caching Count (#​4821) (@​snakefoot)
  • #​4820 Improve loading of AppName.exe.nlog with .NET6 single file publish (#​4820) (@​snakefoot)
  • #​4806 NLogConfigurationException - Skip string.Format when no args (#​4806) (@​snakefoot)

4.7.14

Improvements

  • #​4799 Added IncludeEventProperties + IncludeScopeProperties to improve transition (#​4799) (@​snakefoot)
  • #​4786 Refactored code to remove false positives from code analysis (#​4786) (@​snakefoot)

4.7.13

Bugfixes

  • #​4700 AsyncTargetWrapper - Fix performance for OverflowAction Block on NetCore (#​4700) (@​snakefoot)
  • #​4644 AsyncTargetWrapper - Swallow OutOfMemoryException instead of crashing (#​4644) (@​snakefoot)

Improvements

  • #​4649 Fix broken XML doc comment (#​4649) (@​GitHubPang)

New Contributors

4.7.12

Bugfixes

  • #​4627 PropertiesDictionary - Fixed threading issue in EventProperties (#​4627) (@​snakefoot)
  • #​4631 FileTarget - Failing to CleanupInitializedFiles should not stop logging (#​4631) (@​snakefoot)

Features

  • #​4629 LogEventInfo constructor with eventProperties as IReadOnlyList (#​4629) (@​snakefoot)

4.7.11

Bugfixes

  • #​4519 JsonSerializer - Fix CultureNotFoundException with Globalization Invariant Mode (#​4519) (@​snakefoot)

Features

  • #​4475 WebServiceTarget - Added support for assigning UserAgent-Header (#​4475) (@​snakefoot)

4.7.10

Bugfixes

  • #​4401 JsonSerializer - Fixed bug when handling custom IConvertible returning TypeCode.Empty (#​4401) (@​snakefoot)

Improvements

  • #​4391 Support TargetDefaultParameters and TargetDefaultWrapper (#​4391) (@​snakefoot)
  • #​4403 JsonLayout - Apply EscapeForwardSlash for LogEventInfo.Properties (#​4403) (@​snakefoot)
  • #​4393 NLog.Config package: Updated hyperlink (#​4393) (@​snakefoot)

4.7.9

Bugfixes

  • #​4349 Fixed TrimDirectorySeparators to not use the root-path on Linux (#​4349) (@​snakefoot)
  • #​4353 Fixed FileTarget archive cleanup within same folder at startup (#​4353) (@​snakefoot)
  • #​4352 Fixed FileTarget archive cleanup when using short filename (#​4352) (@​snakefoot)

Improvements

  • #​4326 Make it possible to extend the FuncLayoutRenderer (#​4326) (@​304NotModified)
  • #​4369 + #​4375 LoggingConfigurationParser - Recognize LoggingRule.FilterDefaultAction (#​4369 + #​4375) (@​snakefoot)

Performance

  • #​4337 JsonLayout - Avoid constant string-escape of JsonAttribute Name-property (#​4337) (@​snakefoot)

4.7.8

Bugfixes

  • #​4316 Fix TrimDirectorySeparators to handle root-path on Windows and Linux to load Nlog.config from root-path (#​4316) (@​snakefoot)

Improvements

  • #​4273 Handle Breaking change with string.IndexOf(string) in .NET 5 (#​4273) (@​snakefoot)
  • #​4301 Update docs, remove ArrayList in docs (#​4301) (@​304NotModified)

4.7.7

Bugfixes

  • #​4229 Skip lookup MainModule.FileName on Android platform to avoid crash (#​4229) (@​snakefoot)
  • #​4202 JsonLayout - Generate correct json for keys that contain quote (#​4202) (@​virgilp)
  • #​4245 JsonLayout - Unwind after invalid property value to avoid invalid Json (#​4245) (@​snakefoot)

Improvements

  • #​4222 Better handling of low memory (#​4222) (@​snakefoot)
  • #​4221 JsonLayout - Added new ExcludeEmptyProperties to skip GDC/MDC/MLDC properties with null or empty values (#​4221) (@​pruiz)

Performance

  • #​4207 Skip allocation of SingleCallContinuation when ThrowExceptions = false (#​4207) (@​snakefoot)

4.7.6

Bugfixes

  • #​4142 JsonSerializer - Ensure invariant formatting of DateTimeOffset (#​4142) (@​snakefoot)
  • #​4172 AsyncTaskTarget - Flush when buffer is full should not block forever (#​4172) (@​snakefoot)
  • #​4182 Failing to lookup ProcessName because of Access Denied should fallback to Win32-API (#​4182) (@​snakefoot)

Features

  • #​4153 ExceptionLayoutRenderer - Added FlattenException option (#​4153) (@​snakefoot)

Improvements

  • #​4141 NetworkTarget - Improve handling of synchronous exceptions from UdpClient.SendAsync (#​4141) (@​snakefoot)
  • #​4176 AsyncTaskTarget - Include TaskScheduler in ContinueWith (#​4176) (@​snakefoot)
  • #​4190 Improving debugger-display for Logger.Properties and LogEventInfo.Properties (@​snakefoot)

Performance

  • #​4132 Improve thead concurrency when using wrapper cached=true (#​4132) (@​snakefoot)
  • #​4171 ConditionLayoutExpression - Skip allocating StringBuilder for every condition check (#​4171) (@​snakefoot)

4.7.5

Bugfixes

  • #​4106 FileTarget - New current file should write start header, when archive operation is performed on previous file (#​4106) (@​snakefoot)

Improvements

  • #​4102 LoggingConfiguration - ValidateConfig should only throw when enabled (#​4102) (@​snakefoot)
  • #​4114 Fix VerificationException Operation could destabilize the runtime (#​4114) (@​snakefoot)

Performance

  • #​4115 Removed EmptyDefaultDictionary from MappedDiagnosticsContext (#​4115) (@​snakefoot)

Other

  • #​4109 Fix root .editorconfig to use end_of_line = CRLF. Remove local .editorconfig (#​4109) (@​snakefoot)
  • #​4097 Improve docs (#​4097) (@​304NotModified)

4.7.4

Features

  • #​4076 DatabaseTarget - Added AllowDbNull for easier support for nullable parameters (#​4076) (@​snakefoot)

Bugfixes

  • #​4069 Fluent LogBuilder should suppress exception on invalid callerFilePath (#​4069) (@​snakefoot)

Improvements

  • #​4073 FileTarget - Extra validation of the LogEvent-timestamp before checking time to archive (#​4073) (@​snakefoot)
  • #​4068 FileTarget - Improve diagnostic logging to see reason for archiving (@​snakefoot)

4.7.3

Features

  • #​4017 Allow to change the RuleName of a LoggingRule (#​4017) (@​304NotModified)
  • #​3974 logging of AggregrateException.Data to prevent it from losing it after Flatten call (#​3974) (@​chaos0307)

Bugfixes

  • #​4011 LocalIpAddressLayoutRenderer - IsDnsEligible and PrefixOrigin throws PlatformNotSupportedException on Linux (#​4011) (@​snakefoot)

Improvements

  • #​4057 ObjectReflectionCache - Reduce noise from properties that throws exceptions like Stream.ReadTimeout (#​4057) (@​snakefoot)
  • #​4053 MessageTemplates - Changed Literal.Skip to be Int32 to support message templates longer than short.MaxValue (#​4053) (@​snakefoot)
  • #​4043 ObjectReflectionCache - Skip reflection for Stream objects (#​4043) (@​snakefoot)
  • #​3999 LogFactory Shutdown is public so it can be used from NLogLoggerProvider (#​3999) (@​snakefoot)
  • #​3972 Editor config with File header template (#​3972) (@​304NotModified)

Performance

  • #​4058 FileTarget - Skip delegate capture in GetFileCreationTimeSource. Fallback only necessary when appender has been closed. (#​4058) (@​snakefoot)
  • #​4021 ObjectReflectionCache - Reduce initial memory allocation until needed (#​4021) (@​snakefoot)
  • #​3977 FilteringTargetWrapper - Remove delegate allocation (#​3977) (@​snakefoot)

4.7.2

Bugfixes

  • #​3969 FileTarget - ArchiveOldFileOnStartup not working together with ArchiveAboveSize (@​snakefoot)

Improvements

  • #​3962 XSD: Added Enabled attribute for (@​304NotModified)

4.7.1

Features

  • #​3871 LogManager.Setup().LoadConfigurationFromFile("NLog.config") added to fluent setup (@​snakefoot + @​304NotModified)
  • #​3909 LogManager.Setup().GetCurrentClassLogger() added to fluent setup (@​snakefoot + @​304NotModified)
  • #​3861 LogManager.Setup().SetupInternalLogger(s => s.AddLogSubscription()) added to fluent setup (@​snakefoot + @​304NotModified)
  • #​3891 ColoredConsoleTarget - Added Condition option to control when to do word-highlight (@​snakefoot)
  • #​3915 Added new option CaptureStackTrace to ${stacktrace} and ${callsite} to skip implicit capture by Logger (@​snakefoot)
  • #​3940 Exception-LayoutRenderer with new option BaseException for rendering innermost exception (@​snakefoot)

Improvements

  • #​3857 FileTarget - Batch write to filestream in max chunksize of 100 times BufferSize (@​snakefoot)
  • #​3867 InternalLogger include whether NLog comes from GlobalAssemblyCache when logging NLog version (@​snakefoot)
  • #​3862 InternalLogger LogToFile now support ${processdir} to improve support for single-file-publish (@​snakefoot)
  • #​3877 Added ${processdir} that matches ${basedir:processDir=true} for consistency with InternalLogger (@​snakefoot)
  • #​3881 Object property reflection now support IReadOnlyDictionary as expando object (@​snakefoot)
  • #​3884 InternalLogger include more details like FilePath when loading NLog.config file (@​snakefoot)
  • #​3895 Added support for Nullable when doing conversion of property types (@​304NotModified)
  • #​3896 InternalLogger Warnings when skipping unrecognized LayoutRenderer options (@​snakefoot)
  • #​3901 MappedDiagnosticsLogicalContext - SetScoped with IReadOnlyList also for Xamarin (@​snakefoot)
  • #​3904 Object property reflection automatically performs ToString for System.Reflection.Module (@​snakefoot)
  • #​3921 Improve ${basedir:fixtempdir=true} to work better on Linux when TMPDIR not set (@​snakefoot)
  • #​3928 NetworkTarget respect MaxQueueSize for http- / https-protocol (@​snakefoot)
  • #​3930 LogFactory.LoadConfiguration() reports searched paths when throwing FileNotFoundException (@​304NotModified)
  • #​3949 ReplaceNewLines-LayoutRenderer will also remove windows newlines on the Linux platform (@​Silvenga)

Bugfixes

  • #​3868 SplitGroup Target Wrapper should not skip remaining targets when single target fails (@​snakefoot)
  • #​3918 ColoredConsoleTarget - Fix bug in handling of newlines without word-highlight (@​snakefoot)
  • #​3941 ${processid} will no longer fail because unable to lookup ${processdir} on Mono Android (@​snakefoot)

Performance

  • #​3855 FileTarget - Skip checking file-length when only using ArchiveEvery (@​snakefoot)
  • #​3898 ObjectGraphScanner performs caching of property reflection for NLog config items (@​snakefoot)
  • #​3894 Condition expressions now handles operator like '==' without memory boxing (@​snakefoot)
  • #​3903 ObjectGraphScanner should only check for layout-attributes on Layouts and LayoutRenderers (@​snakefoot)
  • #​3902 MessageTemplate parsing of properties skips unnecessary array allocation (@​snakefoot)

4.7

Features

  • #​3686 + #​3740 LogManager.Setup() allows fluent configuration of LogFactory options (@​snakefoot + @​304NotModified)
  • #​3610 LogManager.Setup().SetupSerialization(s => s.RegisterObjectTransformation(...)) for overriding default property reflection (@​snakefoot + @​304NotModified + @​Giorgi + @​mmurrell)
  • #​3787 LogManager.Setup().SetupExtensions(s => s.RegisterConditionMethod(...)) can use lambda methods and not just static methods (@​snakefoot)
  • #​3713 ${level:format=FullName} will expand Info + Warn to their full name (@​snakefoot)
  • #​3714 + #​3734 FileTarget - Supports MaxArchiveDays for cleanup of old files based on their age (@​snakefoot)
  • #​3737 + #​3769 Layout.FromMethod to create Layout directly from a lambda method (@​snakefoot)
  • #​3771 Layout.FromString to create Layout directly from string along with optional parser validation (@​snakefoot)
  • #​3793 ${dir-separator} for rendering platform specific directory path separator (@​304NotModified)
  • #​3755 FileTarget - Supports ArchiveOldFileOnStartupAboveSize for cleanup of existing file when above size (@​Sam13)
  • #​3796 + #​3823 InternalLogger - Added LogMessageReceived event (@​304NotModified + @​snakefoot)
  • #​3829 DatabaseTarget - Assign connection properties like SqlConnection.AccessToken (@​304NotModified + @​snakefoot)
  • #​3839 DatabaseTarget - Assign command properties like SqlCommand.CommandTimeout (@​snakefoot)
  • #​3833 ${onHasProperties} for only rendering when logevent includes properties from structured logging (@​snakefoot)

Improvements

  • #​3521 XmlLoggingConfiguration - Marked legacy constructors with ignoreErrors parameter as obsolete (@​snakefoot)
  • #​3689 LoggingConfiguration - Perform checking of unused targets during initialization for better validation (@​snakefoot)
  • #​3704 EventLogTarget - Improve diagnostics logging when using dynamic EventLog source (@​snakefoot)
  • #​3706 ${longdate} now also supports raw value for use as DatabaseTarget parameter with DbType (@​snakefoot)
  • #​3728 SourceLink for GitHub for easy debugging into the NLog source code (@​304NotModified)
  • #​3743 JsonLayout - EscapeForwardSlash now automatically applies to sub-attributes (@​snakefoot)
  • #​3742 TraceTarget - Introduced EnableTraceFail=false to avoid Environment.FailFast (@​snakefoot)
  • #​3750 ExceptionLayoutRenderer - Improved error message when Format-token parsing fails (@​snakefoot)
  • #​3747 AutoFlushWrapper - Set AutoFlush=false for AsyncTaskTarget by default (@​snakefoot)
  • #​3754 LocalIpAddressLayoutRenderer - Higher priority to network-addresses that has valid gateway adddress (@​snakefoot)
  • #​3762 LogFactory - Flush reports to InternalLogger what targets produces timeouts (@​snakefoot)

Bugfixes

  • #​3758 LogFactory - Fix deadlock issue with AutoReload (@​snakefoot)
  • #​3766 JsonLayout - Fixed ThreadAgnostic to correctly capture context when using nested JsonLayout (@​snakefoot)
  • #​3700 ExceptionLayoutRenderer - Fixed so Format option HResult also works for NetCore (@​snakefoot)
  • #​3761 + #​3784 Log4JXml Layout will render NDLC + NDC scopes in correct order (@​adanek + @​304NotModified)
  • #​3821 Logger - Added exception handler for CallSite capture for platform that fails to capture StackTrace (@​snakefoot)
  • #​3835 StringSplitter - Fixed quote handling when reading elements for config list-properties (@​snakefoot)
  • #​3828 Utilities: fix ConversionHelpers.TryParseEnum for white space (@​304NotModified)

Performance

  • #​3683 ObjectGraphScanner - Avoid holding list.SyncRoot lock while scanning (@​snakefoot)
  • #​3691 FileTarget - ConcurrentWrites=true on NetCore now much faster when archive enabled (@​snakefoot)
  • #​3694 + #​3705 JsonConverter - Write DateTime directly without string allocation (@​snakefoot)
  • #​3692 XmlLayout - Removed unnecessary double conversion to string (@​snakefoot)
  • #​3735 WebServiceTarget - Reduced memory allocations by removing unnecessary delegate capture (@​snakefoot)
  • #​3739 NetworkTarget - Reduced memory allocation for encoding into bytes without string allocation (@​snakefoot)
  • #​3748 AsyncTaskTarget - Skip default AsyncWrapper since already having internal queue (@​snakefoot)
  • #​3767 Mark Condition Expressions as ThreadSafe to improve concurrency in Layouts (@​snakefoot)
  • #​3764 DatabaseTarget - Added IsolationLevel option that activates transactions for better batching performance (@​snakefoot)
  • #​3779 SimpleLayout - Assignment of string-reference with null-value will translate into FixedText (@​304NotModified)
  • #​3790 AsyncWrapper - Less aggressive with scheduling timer events for background writing (@​snakefoot)
    ... (truncated)

4.7-rc1

See https://github.com/NLog/NLog/blob/master/CHANGELOG.md

4.6.8

Bugfixes

  • #​3566 DatabaseTarget - Auto escape special chars in password, and improve handling of empty username/password (@​304NotModified)
  • #​3584 LoggingRule - Fixed IndexOutOfRangeException for SetLoggingLevels with LogLevel.Off (@​snakefoot)
  • #​3609 FileTarget - Improved handling of relative path in ArchiveFileName (@​snakefoot)
  • #​3631 ExceptionLayoutRenderer - Fixed missing separator when Format-value gives empty result (@​brinko99)
  • #​3647 ${substring} - Length should not be mandatory (@​304NotModified)
  • #​3653 SimpleLayout - Fixed NullReferenceException in PreCalculate during TryGetRawValue optimization (@​snakefoot)

Features

  • #​3578 LogFactory - AutoShutdown can be configured to unhook from AppDomain-Unload, and avoid premature shutdown with IHostBuilder (@​snakefoot)
  • #​3579 PerformanceCounterLayoutRenderer - Added Layout-support for Instance-property (@​snakefoot)
  • #​3583 ${local-ip} Layout Renderer for local machine ip-address (@​snakefoot + @​304NotModified)
  • #​3583 CachedLayoutRendererWrapper - Added CachedSeconds as ambient property. Ex. ${local-ip:cachedSeconds=60} (@​snakefoot)
  • #​3586 JsonLayout - Added EscapeForwardSlash-option to skip Json-escape of forward slash (@​304NotModified)
  • #​3593 AllEventPropertiesLayoutRenderer - Added Exclude-option that specifies property-keys to skip (@​snakefoot)
  • #​3611 ${Exception} - Added new Format-option values HResult and Properties (@​snakefoot)

Improvements

  • #​3622 + #​3651 ConcurrentRequestQueue refactoring to reduce code complexity (@​snakefoot)
  • #​3636 AsyncTargetWrapper now fallback to clearing internal queue if flush fails to release blocked writer threads (@​snakefoot)
  • #​3641 ${CallSite} - Small improvements for recognizing async callsite cases (@​snakefoot)
  • #​3642 LogManager.GetCurrentClassLogger - Improved capture of Logger name when called within lambda_method (@​snakefoot)
  • #​3649 ${BaseDir:FixTempDir=true} fallback to process directory for .NET Core 3 Single File Publish (@​snakefoot)
  • #​3649 Auto-loading NLog configuration from process.exe.nlog will priotize process directory for .NET Core 3 Single File Publish (@​snakefoot)
  • #​3654 ObjectPathRendererWrapper minor refactorings (@​snakefoot)
  • #​3660 ObjectHandleSerializer.GetObjectData includes SerializationFormatter=true for use in MDLC + NDLC (@​snakefoot)
  • #​3662 FileTarget - Extra logging when FileName Layout renders empty string (@​snakefoot)

Performance

  • #​3618 LogFactory - Faster initial assembly reflection and config loading (@​snakefoot)
  • #​3635 ConsoleTarget - Added WriteBuffer option that allows batch writing to console-stream with reduced allocations (@​snakefoot)
  • #​3635 ConsoleTarget - Added global lock to prevent any threadsafety issue from unsafe console (@​snakefoot)

4.6.7

Features

  • #​3531 Added ${object-path} / ${exception:objectpath=PropertyName}, for rendering a property of an object (e.g. an exception) (#​3531) (@​304NotModified)
  • #​3560 WhenMethodFilter - Support dynamic filtering using lambda (#​3560) (@​snakefoot)
  • #​3184 Added support for dynamic layout renderer in log level filters (e.g. minLevel, maxLevel) (#​3184) (@​snakefoot)
  • #​3558 ExceptionLayoutRenderer - Added Source as new format parameter. (@​snakefoot)
  • #​3523 ColoredConsoleTarget - Added DetectOutputRedirected to skip coloring on redirect (@​snakefoot)

Improvements

  • #​3541 MessageTemplateParameters - Improve validation of parameters when isPositional (#​3541) (@​snakefoot)
  • #​3546 NetworkTarget - HttpNetworkSender no longer sends out-of-order (@​snakefoot)
  • #​3522 NetworkTarget - Fix InternalLogger.Trace to include Target name (#​3522) (@​snakefoot)
  • #​3562 XML config - Support ThrowConfigExceptions=true even when xml is invalid (@​snakefoot)
  • #​3532 Fix summary of NoRawValueLayoutRendererWrapper class (#​3532) (@​304NotModified)

Performance

  • #​3540 MessageTemplateParameters - Skip object allocation when no parameters (@​snakefoot)
  • #​3527 XmlLayout - Defer allocation of ObjectReflectionCache until needed (#​3527) (@​snakefoot)

4.6.6

Features

  • #​3514 Added XmlLoggingConfiguration(XmlReader reader) ctor, improved docs and annotations (@​dmitrychilli, @​304NotModified)
  • #​3513 AutoFlushTargetWrapper - Added FlushOnConditionOnly property (@​snakefoot)

Performance

  • #​3492 FileTarget - improvements when ConcurrentWrites=false (@​snakefoot)

4.6.5

Bugfixes

  • #​3476 Fix broken XSD schema - NLog.Schema package (@​snakefoot, @​304NotModified)

Features

  • #​3478 XSD: Support <value> in <variable> (@​304NotModified)
  • #​3477 ${AppSetting} - Added support for ConnectionStrings Lookup (@​snakefoot)
  • #​3469 LogLevel - Added support for TypeConverter (@​snakefoot)
  • #​3453 Added null terminator line ending for network target (@​Kahath)
  • #​3442 Log4JXmlEventLayout - Added IncludeCallSite + IncludeSourceInfo (@​snakefoot)

Improvements

  • #​3482 Fix typos in docs and comments (@​304NotModified)

Performance

  • #​3444 RetryingMultiProcessFileAppender - better init BufferSize (@​snakefoot)

4.6.4

Fixes

  • #​3392 NLog.Schema: Added missing defaultAction attribute on filters element in XSD (@​304NotModified)
  • #​3415 AsyncWrapper in Blocking Mode can cause deadlock (@​snakefoot)

Features

  • #​3430 Added "Properties" property on Logger for reading and editing properties.(@​snakefoot, @​304NotModified)
  • #​3423 ${all-event-properties}: Added IncludeEmptyValues option (@​304NotModified)
  • #​3394 ${when}, support for non-string values (@​304NotModified)
  • #​3398 ${whenEmpty} support for non-string values (@​snakefoot, @​304NotModified)
  • #​3391 Added ${environment-user} (@​snakefoot)
  • #​3389 Log4JXmlEventLayout - Added support for configuration of Parameters (@​snakefoot)
  • #​3411 LoggingConfigurationParser - Recognize LoggingRule.RuleName property (@​snakefoot)

Improvements

  • #​3393 Update package descriptions to note the issues with <PackageReference> (@​304NotModified)
  • #​3409 Various XSD improvements (NLog.Schema package) (@​304NotModified)

Performance

  • #​3398 ${whenEmpty} faster rendering of string values (@​snakefoot, @​304NotModified)
  • #​3405 FilteringTargetWrapper: Add support for batch writing (@​snakefoot, @​304NotModified)
  • #​3405 PostFilteringTargetWrapper: performance optimizations (@​snakefoot, @​304NotModified)
  • #​3435 Async / buffering wrapper: Improve performance when blocking (@​snakefoot)
  • #​3434 ObjectReflectionCache - Skip property-reflection for IFormattable (@​snakefoot)

4.6.3

Bugfixes

  • #​3345 Fixed potential memory issue and message duplication with large strings (@​snakefoot)
  • #​3316 TargetWithContext - serialize MDC and MDLC values properly (@​304NotModified)

Features

  • #​3298 Added WithProperty and SetProperty on Logger (@​snakefoot)
  • #​3329 ${EventProperties} - Added ObjectPath for rendering nested property (@​snakefoot, @​304NotModified)
  • #​3337 ${ShortDate} added support for IRawValue + IStringValueRenderer (@​snakefoot)
  • #​3328 Added truncate ambient property, e.g. ${message:truncate=80} (@​snakefoot)
  • #​3278 ConsoleTarget & ColoredConsoleTarget - Added AutoFlush and improve default flush behavior (@​snakefoot)

Improvements

  • #​3322 FileTarget - Introduced EnableFileDeleteSimpleMonitor without FileSystemWatcher for non-Windows (@​snakefoot)
  • #​3332 LogFactory - GetLogger should validate name of logger (@​snakefoot)
  • #​3320 FallbackGroupTarget - Fixed potential issue with WINDOWS_PHONE (@​snakefoot)
  • #​3261 NLog config file loading: use process name (e.g. applicationname.exe.nlog) when app.config is not available (@​snakefoot)

Performance

  • #​3311 Split string - avoid allocation of object array. Added StringHelpers.SplitAndTrimTokens (@​snakefoot)
  • #​3305 AppSettingLayoutRenderer - Mark as ThreadSafe and ThreadAgnostic (@​snakefoot)

Misc

  • #​3338 Update docs of various context classes (@​304NotModified)
  • #​3288 Move NLogPackageLoaders for better unittest debugging experience of NLog (@​304NotModified)
  • #​3274 Make HttpNetworkSender mockable, add unit test, introduce NSubsitute (@​304NotModified)
  • 10 pull requests with refactorings (@​snakefoot, @​304NotModified)

4.6.2

Bugfixes

  • #​3260 Fix escaping nested close brackets when parsing layout renderers (@​lobster2012-user)
  • #​3271 NLog config - Fixed bug where empty xml-elements were ignored (@​snakefoot, @​jonreis)

4.6.1

Bugfixes

  • #​3199 LoggingConfigurationParser - Fixed bug in handling of extensions prefix (@​snakefoot)
  • #​3253 Fix wrong warnings on <nlog> element (only wrong warnings) (#​3253) (@​snakefoot, @​304NotModified)
  • #​3195 SimpleStringReader: fix DebuggerDisplay value (#​3195) (@​lobster2012-user)
  • #​3198 XmlLayout - Fixed missing encode of xml element value (@​snakefoot)
  • #​3191 VariableLayoutRenderer - Fixed format-string for internal logger warning (@​snakefoot, @​lobster2012-user)
  • #​3258 Fix error with Embedded Assembly in LogAssemblyVersion (@​snakefoot)

Improvements

  • #​3255 Auto-flush on process exit improvements (@​snakefoot)
  • #​3189 AsyncTaskTarget - Respect TaskDelayMilliseconds on low activity (@​snakefoot)

Performance

  • #​3256 ${NDLC} + ${NDC} - Faster checking when TopFrames = 1 (@​snakefoot)
  • #​3201 ${GDC} reading is now lockfree (#​3201) (@​snakefoot)

4.6

See https://nlog-project.org/2019/03/20/nlog-4-6-is-live.html

Features

Main Feature

  • Database target: support for DbType for parameters (including SqlDbType) - #​2363 + #​2899 + #​3085 + #​3091 (@​hubo0831, @​ObikeDev, @​sorvis, @​304NotModified, @​snakefoot)

XML config features

  • Added support for constant variable in level attributes - #​2709 (level, minlevel, etc) (@​304NotModified)
  • Added defaultAction option for - #​2848 (@​304NotModified)
  • Rules now support multiple '*' and '?' wildcards and in any position - #​3098 (@​beppemarazzi)
  • Added Support ${currentdir}, ${basedir}, ${tempdir} and environment variables in internalLogFile value - #​3031 + #​3092 (@​snakefoot)

New targets, layouts and layout renderers

  • Added XmlLayout - Render LogEventInfo.Properties as XML - #​2670 + #​3014 (@​snakefoot)
  • Added ${db-null} layout renderer - #​2849 (@​304NotModified)
  • Added New ${substring}, ${left} & ${right} layoutrenderer wrappers - #​2907 (@​304NotModified)
  • Added ${HostName} Layout Renderer for full computer DNS name - #​3071 (@​amitsaha)
  • Added ${AppSetting} Layout Renderer (app.config + web.config) moved from NLog.Extended for NetFramework - #​3053 (@​snakefoot)
  • Added noRawValue layout wrapper - #​3165 (@​snakefoot)

Additions to targets, layouts and layout renderers

  • AsyncTargetWrapper: added LogEventDropped + LogEventQueueGrow events - #​2610 (@​Pomoinytskyi)
  • NetworkTarget - Support for SSL & TLS - #​2678 (@​snakefoot)
  • JsonLayout: support for System.Dynamic-objects - #​2902 (@​304NotModified)
  • AsyncTaskTarget: Added support for BatchSize and RetryCount - #​2909 (@​snakefoot)
  • ColoredConsoleTarget - Added EnableAnsiOutput option (VS Code support) - #​3018 (@​jp7677 + @​snakefoot)
  • Added IncludeGdc property in JsonLayout - #​3050 (@​casperc89)
  • TargetWithContext - Support for PropertyType using IRawValue-interface - #​3060 (@​snakefoot)

Enhancements

  • JsonLayout includes Type-property when rendering Exception-object - #​2989 (@​snakefoot)
  • LoggingConfigurationParser - Extracted from XmlLoggingConfiguration - #​2891 (Prepare for appsettings.json) (@​snakefoot)
  • Added support for complex objects in MDLC and NDLC on Net45 - #​2910 (@​snakefoot)
  • PerformanceCounter - Improve behavior for CPU usage calculation - #​2918 (@​snakefoot)
  • TargetWithContext - Include all properties even when duplicate names - #​2941 (@​snakefoot)
  • Updated resharper annotations for better validation - #​2974 (@​imanushin)
  • Improve default reflection support on .NET Core Native - #​2979 (@​snakefoot)
  • EventLogTarget with better support for MaximumKilobytes configuration - #​3017 (@​Coriolanuss)
  • Added Xamarin PreserveAttribute for the entire Assembly to improve AOT-linking - #​3039 (@​snakefoot)
  • Create snupkg packages and use portable PDB - #​3045 (@​snakefoot)
  • KeepFileOpen + ConcurrentWrites on Xamarin + UWP - #​3079 - #​3048 (@​304NotModified)
  • WebService Target allow custom override of SoapAction-header for Soap11 - #​3082 + #​3100 (@​AlexeyRokhin)
  • Various refactorings (15 pull requests) (@​beppemarazzi, @​304NotModified, @​snakefoot)

... (truncated)

4.6-rc3

Changes since RC2

Breaking

Oops, again a breaking change with the previous NLog 4.6 RC

  • Database target: dropped UseRawValue option on parameters (introduced in NLog 4.6 RC1), introduced ${myRenderer:noRawValue=true} (@​snakefoot)

Note, there are no breaking changes with NLog 4.5.11. Semver is important!

All changes NLog 4.6

Features

Main Feature

  • Database target: support for DbType for parameters (including SqlDbType) - #​2363 + #​2899 + #​3085 + #​3091 (@​hubo0831, @​ObikeDev, @​sorvis, @​304NotModified, @​snakefoot)

XML config features

  • Added support for constant variable in level attributes - #​2709 (level, minlevel, etc) (@​304NotModified)
  • Added defaultAction option for - #​2848 (@​304NotModified)
  • Rules now support multiple '*' and '?' wildcards and in any position - #​3098 (@​beppemarazzi)
  • Added Support ${currentdir}, ${basedir}, ${tempdir} and environment variables in internalLogFile value - #​3031 + #​3092 (@​snakefoot)

New targets, layouts and layout renderers

  • Added XmlLayout - Render LogEventInfo.Properties as XML - #​2670 + #​3014 (@​snakefoot)
  • Added ${db-null} layout renderer - #​2849 (@​304NotModified)
  • Added New ${substring}, ${left} & ${right} layoutrenderer wrappers - #​2907 (@​304NotModified)
  • Added ${HostName} Layout Renderer for full computer DNS name - #​3071 (@​amitsaha)
  • Added ${AppSetting} Layout Renderer (app.config + web.config) moved from NLog.Extended for NetFramework - #​3053 (@​snakefoot)
  • Added noRawValue layout wrapper - #​3165 (@​snakefoot)

Additions to targets, layouts and layout renderers

  • AsyncTargetWrapper: added LogEventDropped + LogEventQueueGrow events - #​2610 (@​Pomoinytskyi)
  • NetworkTarget - Support for SSL & TLS - #​2678 (@​snakefoot)
  • JsonLayout: support for System.Dynamic-objects - #​2902 (@​304NotModified)
  • AsyncTaskTarget: Added support for BatchSize and RetryCount - #​2909 (@​snakefoot)
  • ColoredConsoleTarget - Added EnableAnsiOutput option (VS Code support) - #​3018 (@​jp7677 + @​snakefoot)
  • Added IncludeGdc property in JsonLayout - #​3050 (@​casperc89)
  • TargetWithContext - Support for PropertyType using IRawValue-interface - #​3060 (@​snakefoot)

Enhancements

  • JsonLayout includes Type-property when rendering Exception-object - #​2989 (@​snakefoot)
  • LoggingConfigurationParser - Extracted from XmlLoggingConfiguration - #​2891 (Prepare for appsettings.json) (@​snakefoot)
    ... (truncated)

4.6-rc2

Changes since RC1

Breaking

Breaking changes since NLog 4.6 RC1, no breaking changes with 4.5.11

  • #​3131 DatabaseTarget - Removed logEvent-parameter from CreateDatabaseParameter (@​snakefoot)
  • #​3138 Split XML layout to XMLELement and XmlElementBase (#​3138) (@​304NotModified)

Features

  • #​3124 NetworkTarget - Added support for KeepAliveTimeSeconds (@​snakefoot)
  • #​3129 ConfigSetting - Preregister so it can be accessed without extension registration (#​3129) (@​snakefoot)

Improvements

  • #​3162 ContextProperty with IncludeEmptyValue means default value for ValueType (#​3162) (@​snakefoot)
  • #​3160 Refactor filetarget + target to reduce code complexity (@​snakefoot)
  • #​3159 AppSettingLayoutRenderer - Include Item for NLog.Extended (@​snakefoot)
  • #​3155 PlatformDetector - Introduced detection of MacOSX, and removed WindowsCE (@​snakefoot)
  • #​3144 TryGetRawValue instead of GetRawValue (@​304NotModified)
  • #​3141 AppSettingLayoutRenderer2 - Use Item instead of Name as it matches GDC + MDC + MDLC (#​3141) (@​snakefoot)
  • #​3121 All Hyperlinks to https (@​304NotModified)

All changes NLog 4.6

See https://github.com/NLog/NLog/blob/dev/CHANGELOG.md

4.6-rc1

Features:

  • #​2363 + #​2899 + #​3085 + #​3091 Database target: support for DbType for parameters (including SqlDbType) - (@​hubo0831,@​ObikeDev,@​sorvis, @​304NotModified, @​snakefoot)
  • #​2610 AsyncTargetWrapper with LogEventDropped- + LogEventQueueGrow-events (@​Pomoinytskyi)
  • #​2670 + #​3014 XmlLayout - Render LogEventInfo.Properties as XML (@​snakefoot)
  • #​2678 NetworkTarget - Support for SSL & TLS (@​snakefoot)
  • #​2709 XML Config: Support for constant variable in level attributes (level, minlevel, etc) (@​304NotModified)
  • #​2848 Added defaultAction for (@​304NotModified)
  • #​2849 IRawValue-interface and ${db-null} layout renderer (@​304NotModified)
  • #​2902 JsonLayout with support for System.Dynamic-objects (@​304NotModified)
  • #​2907 New Substring, Left & Right Wrappers (@​304NotModified)
  • #​3098 support for one or more '*' and '?' wildcards and in any position (@​beppemarazzi)
  • #​2909 AsyncTaskTarget - BatchSize + RetryCount (@​snakefoot)
  • #​3018 ColoredConsoleTarget - Added EnableAnsiOutput option (VS Code support) (@​jp7677 + @​snakefoot)
  • #​3031 + #​3092 Support ${currentdir},${basedir},${tempdir} and Environment Variables for internalLogFile when parsing nlog.config (@​snakefoot)
  • #​3050 Added IncludeGdc property in JsonLayout (@​casperc89)
  • #​3071 ${HostName} Layout Renderer for full computer DNS name (@​amitsaha)
  • #​3053 ${AppSetting} Layout Renderer (app.config + web.config) moved from NLog.Extended for NetFramework (@​snakefoot)
  • #​3060 TargetWithContext - Support for PropertyType using IRawValue-interface (@​snakefoot)

Enhancements:

  • #​2989 JsonLayout includes Type-property when rendering Exception-object (@​snakefoot)
  • #​2891 LoggingConfigurationParser - Extracted from XmlLoggingConfiguration (Prepare for appsettings.json) (@​snakefoot)
  • #​2910 Added support for complex objects in MDLC and NDLC on Net45 (@​snakefoot)
  • #​2918 PerformanceCounter - Improve behavior for CPU usage calculation (@​snakefoot)
  • #​2941 TargetWithContext - Include all properties even when duplicate names (@​snakefoot)
  • #​2974 Updated resharper annotations for better validation (@​imanushin)
  • #​2979 Improve default reflection support on NetCore Native (@​snakefoot)
  • #​3017 EventLogTarget with better support for MaximumKilobytes configuration (@​Coriolanuss)
  • #​3039 Added Xamarin PreserveAttribute for the entire Assembly to improve AOT-linking (@​snakefoot)
  • #​3045 Create snupkg packages and use portable PDB (@​snakefoot)
  • #​3048 KeepFileOpen + ConcurrentWrites on Xamarin + UWP - #​3079 (@​304NotModified)
  • #​3082 + #​3100 WebService Target allow custom override of SoapAction-header for Soap11 (@​AlexeyRokhin)
  • Various refactorings (15 pull requests) (@​beppemarazzi, @​304NotModified, @​snakefoot)

Performance:

  • #​2650 AsyncTargetWrapper using ConcurrentQueue for NetCore2 for better thread-concurrency (@​snakefoot)
  • #​2890 AsyncTargetWrapper - TimeToSleepBetweenBatches changed default to 1ms (@​snakefoot)
  • #​2897 InternalLogger performance optimization when LogLevel.Off (@​snakefoot)
  • #​2935 InternalLogger LogLevel changes to LogLevel.Off by default unless being used. (@​snakefoot)
  • #​2934 CsvLayout - Allocation optimizations and optional skip quoting-check for individual columns. (@​snakefoot)
  • #​2949 MappedDiagnosticsLogicalContext - SetScoped with IReadOnlyList (Prepare for MEL BeginScope) (@​snakefoot)
  • #​2973 IRenderString-interface to improve performance for Layout with single LayoutRenderer (@​snakefoot)
  • #​3103 StringBuilderPool - Reduce memory overhead until required (@​snakefoot)

LibLog Breaking change

  • damianh/LibLog#​181 - Sub-components using LibLog ver. 5.0.3 (or newer) will now use MDLC + NDLC (Instead of MDC + NDC) when detecting application is using NLog ver. 4.6. Make sure to update NLog.config to match this change. Make sure that all sub-components have upgraded to LibLog ver. 5.0.3 (or newer) if they make use of OpenNestedContext or OpenMappedContext.
    ... (truncated)

4.5.11

Enhancements

  • #​2985 LogBuilder - Support fluent assignment of message-template after properties (@​snakefoot)
  • #​2983 JsonSerializer - Use ReferenceEquals instead of object.Equals when checking for cyclic object loops (#​2983) (@​snakefoot)
  • #​2988 NullAppender - Added missing SecuritySafeCritical (@​snakefoot)

Fixes

  • #​2987 JSON encoding should create valid JSON for non-string dictionary-keys (@​snakefoot)

4.5.10

  • #​2883 Fix LoadConfiguration for not found config file (@​snakefoot, @​304NotModified)

4.5.9

Fixes

  • #​2865 JSON encoding should create valid JSON for special double values (hotfix) (@​snakefoot)

Enhancements

  • #​2846 Include Entry Assembly File Location when loading candidate NLog.config (#​2846) (@​snakefoot)

4.5.8

Features

  • #​2809 MethodCallTarget - Support for Lamba method (@​snakefoot)
  • #​2816 MessageTemplates - Support rendering of alignment + padding (@​snakefoot)

Fixes

  • #​2827 FileTarget - Failing to CreateArchiveMutex should not stop logging (@​snakefoot)
  • #​2830 Auto loading of assemblies was broken in some cases (@​snakefoot)

Enhancements

  • #​2814 LoggingConfiguration - Improves CheckUnusedTargets to handle target wrappers (@​snakefoot)

Performance

  • #​2817 Optimize LayoutRendererWrappers to reduce string allocations (#​2817) (@​snakefoot)

4.5.7

Features

  • #​2792 OutputDebugStringTarget - Support Xamarin iOS and Android (@​snakefoot)
  • #​2776 FileTarget - Introduced OpenFileFlushTimeout to help when AutoFlush = false (@​snakefoot)

Fixes

  • #​2761 ${Callsite} fix class naming when includeNamespace=false and cleanNamesOfAnonymousDelegates=true (@​Azatey)
  • #​2752 JSON: Fixes issue where char types are not properly escaped (#​2752) (@​smbecker)

Enhancements

  • #​2804 FileTarget - Do not trust Last File Write TimeStamp when AutoFlush=false (@​snakefoot)
  • #​2763 Throw better error when target name is null (@​masters3d)
  • #​2788 ${Assembly-version} make GetAssembly protected and virtual (@​alexangas)
  • #​2756 LongDateLayoutRenderer: Improve comments (@​stic)
  • #​2749 NLog.WindowsEventLog: Update dependency System.Diagnostics.EventLog to RTM version (@​304NotModified)

Performance

  • #​2797 Better performance with Activator.CreateInstance (@​tangdf)

4.5.6

Fixes

Enhancements

  • #​2745 FileTarget - Improve support for Linux FileSystem without BirthTime (@​snakefoot)

Performance

  • #​2744 LogEventInfo - HasProperties should allocate PropertiesDicitonary when needed (@​snakefoot)
  • #​2743 JsonLayout - Reduce allocations when needing to escape string (44% time improvement) (@​snakefoot)

4.5.5

Fixes

  • #​2736 FileTarget - Calculate correct archive date when multiple file appenders (@​snakefoot)

Features

  • #​2726 WhenRepeated - Support logging rules with multiple targets (@​snakefoot)
  • #​2727 Support for custom targets that implements IUsesStackTrace (@​snakefoot)
  • #​2719 DatabaseTarget: use parameters on install (@​Jejuni)

Enhancements

  • #​2718 JsonLayout - Always stringify when requested (@​snakefoot)
  • #​2739 Target.WriteAsyncLogEvents(IList) to public

Performance

  • #​2704 Allocation improvement in precalculating layouts (@​snakefoot)

4.5.4

Fixes

  • #​2688 Faulty invalidate of FormattedMessage when getting PropertiesDictionary (@​snakefoot)
  • #​2687 Fix: NLog.config build-action and copy for non-core projects, it's now "copy if newer" (@​304NotModified)
  • #​2698 FileTarget - Calculate correct archive date, when using Monthly archive (@​snakefoot)

Enhancements

  • #​2673 TargetWithContext - Easier to use without needing to override ContextProperties (@​snakefoot)
  • #​2684 DatabaseTarget - Skip static assembly lookup for .Net Standard (@​snakefoot)
  • ...

Description has been truncated

@dependabot
Bump NLog and 3 others
6b7f240 
Bumps NLog from 5.4.0 to 6.0.2
Bumps NLog.Config from 4.3.1 to 4.7.15
Bumps NLog.Schema to 4.7.15, 6.0.2
Bumps System.Configuration.ConfigurationManager from 9.0.4 to 9.0.7

---
updated-dependencies:
- dependency-name: NLog
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: NLog.Config
  dependency-version: 4.7.15
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: NLog.Schema
  dependency-version: 4.7.15
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: NLog.Schema
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: System.Configuration.ConfigurationManager
  dependency-version: 9.0.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Aug 1, 2025
@dependabot dependabot bot mentioned this pull request Aug 1, 2025
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