Bump Serilog and Serilog.Sinks.TextWriter #11

dependabot · 2025-11-12T02:39:29Z

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Updated Serilog from 2.0.0 to 4.0.0.

Release notes

4.0.0 What's new in Serilog 4.0.0?

If you're deploying to .NET Framework, note that Serilog's assembly version number has been unpinned from the long-running historical 2.0.0 default, and now matches the package version precisely. If you encounter issues, ensure your build is generating valid assembly binding redirects.

Simple, robust, built-in batching support

Sinks that need batching functionality can now be easily written, without any additional package dependencies, by implementing IBatchedLogEventSink:

class MyBatchedSink: IBatchedLogEventSink
{
    public Task EmitBatchAsync(IReadOnlyCollection<LogEvent> batch)
    {
        // Send a batch of log events...
    }
}

Batched sinks can be added using WriteTo.Sink(IBatchedLogEventSink, ...) - they're given first-class consideration just like regular un-batched sinks.

The built-in batching implementation is based on System.Threading.Channels and draws on the original Serilog.Sinks.PeriodicBatching package (now in maintenance-mode), to provide a full-featured, efficient, async-native batching implementation.

Experimental dotted name capturing

By setting an experimental AppContext switch, message templates can be used to capture dotted names, which are required when using some logging schemas.

AppContext.SetSwitch("Serilog.Parsing.MessageTemplateParser.AcceptDottedPropertyNames", true);

Log.Information("Running as {user.name}", Environment.UserName);
// Captures {"user.name": "nblumhardt"}

While currently experimental and unsupported, this flag is intended to help the ecosystem evaluate and prepare for dotted name support in a future Serilog release.

Changes

#2015 — breaking unpin assembly version (@nblumhardt)
#2045 — breaking use case-insensitive matching for level overrides (@tillig)
#2051 — breaking recognize UtcTimestamp as a built-in token in output templates (@MatthewHays)
#1979 — add tests for ReusableStringWriter (@nblumhardt)
#2016 — update TFMs (@nblumhardt, @bartelink)
#2018 — add LogEvent.UnstableAssembleFromParts() (@nblumhardt)
#2044 — build updates for compatibility (@tillig)
#2027 — improve trimming annotations, compatibility switch for compiler-generated type support (@agocke)
#2055 — introduce IBatchedLogEventSink and WriteTo.Sink(IBatchedLogEventSink) (@nblumhardt)
#2060 — introduce LoggerSinkConfiguration.CreateSink() and redesign .Wrap() (@nblumhardt, @bartelink)
#2063 — improve MessageTemplateParser performance, switch to allow . in captured property names (@nblumhardt)
#2064 — make message template alignment parsing match spec (@Insomniak47)
#2065 — allow any character except } in message template format specifiers (@Insomniak47)
... (truncated)

3.1.1

#1977 - don't stack overflow when disposing ReusableStringWriter with large renderings (@nblumhardt)

This is a bugfix for release 3.1.0.

3.1.0

#1935 - remove CHANGES.md (@sungam3r)
#1936, #1922 - README.md updates (@nblumhardt)
#1942 - remove redundant GetTypeInfo() calls (@SimonCropp)
#1947 - message template caching performance improvements (@epeshk)
#1948 - reduce allocations in Logger.Write() (@epeshk)
#1955 breaking - collect and propagate Activity.Current.TraceId and SpanId automatically in Logger.Write() (@nblumhardt)
#1959 - breaking - property value converter optimizations (@epeshk)
#1964 - don't cache reusable string writers with large buffer sizes (@Jakimar)
#1969 - README.md updates (@bartelink)
#1971 - drop test coverage for unsupported .NET Core versions (@bartelink)

Built-in trace and span id support

This release adds two new first-class properties to LogEvent: TraceId and SpanId. These are set automatically in Logger.Write() to the corresponding property values from System.Diagnostics.Activity.Current.

The major benefit of this change is that sinks, once updated, can reliably propagate trace and span ids through to back-ends that support them (in much the same way that first-class timestamps, messages, levels, and exceptions are used today).

The sinks maintained under serilog/serilog, along with formatting helpers such as Serilog.Formatting.Compact and Serilog.Expressions, are already compatible with this change or have pending releases that add compatibility.

Dropped .NET Core 2.1 and 3.0 support

On .NET Core 2.1 and 3.0, projects targeting Serilog 3.1+ will fail to build, with:

/project/packages/system.runtime.compilerservices.unsafe/6.0.0/buildTransitive/netcoreapp2.0
/System.Runtime.CompilerServices.Unsafe.targets(4,5): error : System.Runtime.CompilerServices.Unsafe
doesn't support netcoreapp2.1. Consider updating your TargetFramework to netcoreapp3.1 or later.

Affected consumers should continue to use Serilog 3.0 or earlier. See serilog/serilog#1983 for a discussion of this issue.

Technical breaking changes

Trace and span id placeholders

Trace and span id collection includes support for {TraceId} and {SpanId} placeholders in output templates (commonly used when formatting text log files). Where previously these names resolved to user-defined properties, they now resolve to the built-in LogEvent.TraceId and LogEvent.SpanId values, respectively.

Impact is expected to be low/zero, because the trace and span id values in any user-added properties are almost certainly identical to the built-in ones.

`nint` and `nuint` (`IntPtr` and `UIntPtr`) handling

These integer types were previously logged as structures. They're now correctly logged as scalars.

3.0.1

#1926 - fix JsonFormatter output for renderMessage = true (@nblumhardt)

3.0.0 What's new in 3.0.0?

Target framework changes - Serilog no longer targets netstandard1.x or .NET Framework versions earlier than .NET 4.6.2. Users on affected frameworks should continue to target Serilog 2.12.x.

Removed obsolete APIs - Many deprecated/obsolete types and functions have been removed. Notably, JsonFormatter can no longer be subclassed (either port to JsonValueFormatter, use Serilog.Expressions, or copy the original JsonFormatter code into your project).

Added APIs - LevelAlias.Off is now provided as an equivalent to Microsoft.Extensions.Logging's LogLevel.Off; Destructure.AsDictionary<T>() can now be used to mark dictionary types.

Fewer allocations on many hot paths - A lot of work has gone into avoiding heap allocations wherever possible.

Changes

Change exception message by @sungam3r in Change exception message serilog/serilog#1762
Avoided IEnumerator allocation (#1769) by @igor84 in Avoided IEnumerator allocation (#1769) serilog/serilog#1770
Avoid iterator allocations when working with SequenceValue by @sungam3r in Avoid iterator allocations when working with SequenceValue serilog/serilog#1785
Add API approval test by @sungam3r in Add API approval test serilog/serilog#1783
Bump Newtonsoft.Json from 13.0.1 to 13.0.2 in /test/Serilog.Tests by @dependabot in Bump Newtonsoft.Json from 13.0.1 to 13.0.2 in /test/Serilog.Tests serilog/serilog#1787
Introduce ScalarValue.Null by @sungam3r in Introduce ScalarValue.Null serilog/serilog#1774
Tokens -> TokenArray by @sungam3r in Tokens -> TokenArray serilog/serilog#1778
Drop netstandard1.3 and netstandard1.0 support by @SimonCropp in Drop netstandard1.3 and netstandard1.0 support serilog/serilog#1807
Remove JsonFormatter.Escape by @SimonCropp in Remove JsonFormatter.Escape serilog/serilog#1804
Use WriteLine(char) by @SimonCropp in use WriteLine char serilog/serilog#1803
Remove extension of JsonFormatter by subclassing by @SimonCropp in Remove Extension of JsonFormatter by subclassing serilog/serilog#1801
Remove redundant overrides from LoggerSinkConfiguration by @SimonCropp in Remove redundant overrides from LoggerSinkConfiguration serilog/serilog#1800
Avoid StringWriter.ToString() calls by @sungam3r in Avoid StringWriter.ToString() calls serilog/serilog#1782
Remove the obsolete RawFormatter type by @nblumhardt in Remove the obsolete RawFormatter type serilog/serilog#1808
.NET 7 SDK by @SimonCropp in Attempt 4 at SDK 7 serilog/serilog#1806
Remove OutputProperties.GetOutputProperties() by @SimonCropp in Remove OutputProperties.GetOutputProperties serilog/serilog#1805
Verify API by @SimonCropp in re verify API serilog/serilog#1809
Remove redundant nullable suppressions by @SimonCropp in remove redundant nullable suppressions serilog/serilog#1810
Remove duplicate Where() calls in FindConfigurationMethods() by @SimonCropp in Remove duplicate Wheres in FindConfigurationMethods serilog/serilog#1812
Remove net45 support by @SimonCropp in Remove net45 support serilog/serilog#1811
Remove redundant GetTypeInfo() in LoadConfigurationAssemblies by @SimonCropp in Remove redundant GetTypeInfo in LoadConfigurationAssemblies serilog/serilog#1817
Remove GetTypeInfo() from FindConfigurationMethods(() by @SimonCropp in Remove typeinfo from FindConfigurationMethods serilog/serilog#1815
Remove redundant GetTypeInfo() in EnumScalarConversionPolicy by @SimonCropp in Remove redundant GetTypeInfo in EnumScalarConversionPolicy serilog/serilog#1816
Remove obsolete PropertyToken constructor by @SimonCropp in Remove obsolete PropertyToken constructor serilog/serilog#1819
switch expressions by @SimonCropp in thoughts on switch expressions? serilog/serilog#1818
Do not allocate strings for TextWriter.Write() by @sungam3r in Do not allocate strings for TextWriter.Write serilog/serilog#1775
Simplify reflection in SettingValueConversions by @SimonCropp in Simplify reflection in SettingValueConversions serilog/serilog#1814
Improve GetPropertiesRecursive() performance by @SimonCropp in Improve GetPropertiesRecursive performance serilog/serilog#1813
Use Convert.ToHexString() in ByteArrayScalarConversionPolicy() by @sungam3r in Use Convert.ToHexString in ByteArrayScalarConversionPolicy serilog/serilog#1776
Remove FEATURE_ASYNCLOCAL by @SimonCropp in remove FEATURE_ASYNCLOCAL serilog/serilog#1822
Remove FEATURE_HASHTABLE by @SimonCropp in remove FEATURE_HASHTABLE serilog/serilog#1823
Use IsEnum for enum check in EnumScalarConversionPolicy by @SimonCropp in use is Enum for enum check in EnumScalarConversionPolicy serilog/serilog#1825
Comments on Hashtable use in MessageTemplateCache by @SimonCropp in comments on Hashtable in MessageTemplateCache serilog/serilog#1828
Remove GetTypeInfo() from PropertyValueConverter by @SimonCropp in Remove GetTypeInfo from PropertyValueConverter serilog/serilog#1824
Avoid repeated GetType() in PropertyValueConverter by @SimonCropp in avoid repeated GetType in PropertyValueConverter serilog/serilog#1832
Leverage dictionary TryAdd() and items constructor by @SimonCropp in Leverage dictionary TryAdd and items constructor serilog/serilog#1830
Use array instead of list when we know the size in PropertyValueConverter by @SimonCropp in Use array instead of list when we know the size in PropertyValueConverter serilog/serilog#1831
Move net46 target to net461 by @SimonCropp in Move net46 to net461 serilog/serilog#1827
... (truncated)

2.12.0 Highlights of 2.12.0

Improved and expanded `<Nullable>enable</Nullable>` support

A huge number of commits have gone into completing and refining non-null reference type annotations, which now cover the entire public Serilog API. The Serilog project itself now builds with non-null reference type checking globally enabled 🎉

`IAsyncDisposable` support

Sinks that need to flush changes using asynchronous APIs can now implement IAsyncDisposable and prevent the possibility of deadlocking while waiting for tasks to complete.

To drive this, Logger can now be disposed via using async:

await using var log = new LoggerConfiguration().CreateLogger();

and the Log class provides Log.CloseAndFlushAsync():

await Log.CloseAndFlushAsync();

`DateOnly` and `TimeOnly` support

The DateOnly and TimeOnly types introduced in .NET 6 are now correctly handled as scalar values when capturing.

Merged PRs

#1713, #1716, #1715, #1722, #1721, #1720, #1729 - improved non-null reference type annotations (@SimonCropp)
#1702 - DateOnly and TimeOnly support (@SimonCropp)
#1764, #1703, #1708, #1709, #1712, #1724, #1730, #1747 - build and dependency updates (@SimonCropp)
#1723, #1728, #1731, #1732, #1734, #1735, #1733, #1736, #1739, #1746, #1745, #1741, #1742 - code clean-up and modernization (@SimonCropp)
#1750 - IAsyncDisposable support for Logger and sinks (@nblumhardt)
#1699 - fix some XDOC documentation (@sungam3r)
#1719 - remove redundant ! operator from null in conditions (@sungam3r)
#1725 - introduce file-scoped namespaces (@sungam3r)
#1700, #1704, #1707 - more nulllable annotation updates (@nblumhardt)
#1711 - fix support for ValueTuple (@SimonCropp)

2.11.0

#1503 - make some local functions static to avoid scope capture (@SimonCropp)
#1561 - add support for collections/string[] to key-value settings (@stochmal)
#1588, #1591, #1593, #1594, #1597 - nullable reference type annotations and language version updates (@SimonCropp)
#1595 - net5.0 target (@nblumhardt)
#1652 - fix capturing of anonymous types in .NET interactive (@KZedan)
#1641 - corrected documentation comments for MessageTemplateFormatMethod (@JinsPeter)
#1635 - fix destructuring of Memory<T>/ReadOnlyMemory<T> and non-reflection-compatible properties e.g. of type Span<T> (@skomis-mm)
#1625 - update issue template (@augustoproiete)
#1664 - update ILogger documentation (@erichiller)

2.10.0

#1370, #1374 - improve test coverage (@rafaelsc)
#1371, #1377, #1429, #1445 - documentation updates (@perjahn, @morgankenyon, @rafaelsc, @JakenVeina)
#1378, #1392 - build fixes (@nblumhardt)
#1477 - don't fail to log when ToString() throws an exception (@rafaelsc)
#1435 - netstandard2.1 support and default implementations for ILogger methods (@skomis-mm)
#1442 - MinimumLevel.Override() runtime optimizations (@skomis-mm)
#1463 - fix disposal of wrapped sinks through LoggerSinkConfiguration.Wrap()
#1449 - allow exceptions to bubble up through wrapped aggregate sinks (@augustoproiete)
#1466 - internal wrapper sink refactoring (@nblumhardt)
#1427, #1452, #1467 - when ToString() on a logged object returns null, serialize as "" (@rafaelsc, @nblumhardt)
#1472 - improve handling of minimum level overrides in sub-loggers (@skomis-mm)

2.9.0

#1296 - switch from TravisCI to AppVeyor for Linux builds (@merbla)
#1254, #1255 - reduce allocations in hot path (@Pliner)
#1300 - link Pluralsight courses (@dahlsailrunner)
#1312 - code clean-up (@sungam3r)
#1314, #1317 - code clean-up (@SimonCropp)
#1315 - reduce allocations in hot path (@nblumhardt)
#1266 - update package license declaration to the new format (@tsimbalar)
#1316 - support wrapped enrichers, conditional sinks, and conditional enrichers (@nblumhardt)
#1320 - publish snupkg symbol packages (@teo-tsirpanis)
#1325 - respect explicit format specifiers when using JSON formatting defaults (@nblumhardt)
#1330 - make the nullable format provider syntactically optional when constructing MessageTemplateTextFormatter (@bender2k14)
#1341 - remove redundant System.Collections.NonGeneric dependency from netstandard2.0 target (@WeihanLi)
#1348 - add INFLUENCES.md (@nblumhardt)
#1357 - fix API documentation for default destructuring depth (@rob-earwaker)
#1366 - fix message template parsing of custom format strings that contain + (@martinh2011)

2.8.0

#1179 - support for Destructure.AsScalar(type) in key-value settings (@tsimbalar)
#1174 - partial support for Destructure.Xxx() in key-value settings (@tsimbalar)
#1192 - support for Destructure.With(policy) in key-value settings (@tsimbalar)
#1189 - renew certificate to fix UWP integration tests (@skomis-mm)
#1197 - make it simple to compare Logger.Instance with Logger.None (@ie-zero)
#1198 - support *.With(...) and AuditTo.Sink(sink)/WriteTo.Sink(sink) in key-value settings (@tsimbalar)
#1220 - include repositoryUrl in the NuGet package (@MaximRouiller)
#1233 - fix padding of non-string values in output templates (@nblumhardt)
#1169 - update performance tests to netcoreapp2.0 (@merbla)
#1234 - add tests for custom IFormatProvider support (@tsimbalar)
#1236 - fix failure/exception thrown when calling ForContext() to destructure some generated proxy types (@balayoglu)
#1269 - add netstandard2.0 target to shrink dependency graph on compatible platforms (@nblumhardt)

2.7.1

Version 2.7.0 was skipped due to a versioning mistake.

#1075 - overload of LoggerSinkConfiguration.Wrap() accepting LoggingLevelSwitch
#1083 - update package metadata, including https:// project and icon URLs
#1091 - make {Properties:j} work consistently with the console sink
#1110 - expose an efficient Logger.None
#1113 - (tooling) improve tests for LogContext
#1136 - (tooling) fix build.sh exit code
#1141 - fix logging of byte[] smaller than 1 KB
#1157 - (tooling) update .gitignore
#1158 - (tooling) re-enable macOS builds
#1163 - SourceLink v2 support
#1165 - fix a number of issues with LoggerSinkConfiguration.Wrap() affecting WriteTo.Async()
#1134 - (tooling) add README badges for downloads/stats
#1166 - allow LoggerConfiguration to be garbage collected after logger is created
#1160 - (tooling) update NuGet.org API key
(tooling) Update to use the latest .NET SDK

2.6.0

#992 - fix LogContext remoting issue on .NET Framework 4.5
#1007 - LogContext.Suspend() and LogContext.Reset() to pass or drop context from child tasks
#1018 - include source in NUPKGs
#1020 - support for LoggingLevelSwitch in key-value/<appSettings> settings
#1033 - warn when MinimumLevel.Override() is used in a sub-logger
#1034 - more efficient levelled ILogger.ForContext()/Log.ForContext()
#1051 - handle duplicate keys in key-value/<appSettings> settings (last-in wins)
#1064 - support static member references as key-value/<appSettings> values
#1059 - support for abstract class parameters in settings
#1068 - handle parsing of token width more robustly

Plus build/documentation items #988, #994, #996, #1019, #842, #1042, #1050, #1055, #1063.

2.5.0

#939, #946, #972 - RTM .NET Standard/Core tooling
#955 - LoggerSinkConfiguration.Wrap()
#944 - {Properties} in output templates
#961 - fix parser exeception when property tokens with zero-length names are encountered
#773 - LogContext.Clone() and LogContext.Push(ILogEventEnricher)
#976 - support for logging C# 7 ValueTuple<> values
#977 - output formatting performance improvements, {Message:l} (unquoted string) and {Message:j} (JSON structure) support in output templates
#981 - reduced allocations required for structured data capturing

Plus multiple build/test/configuration improvements.

2.4.0

#866 and #877- additional event payload limiting controls
#833 - improve performance of message template cache lookup
#885 - fix JSON formatting of NaN and infinity values
#888 - allow minimum level overrides to be specified by configuration providers like Serilog.Settings.AppSettings
#903 - add further Log static methods to match ILogger methods
#907 - properly dispose audit sinks
#913 - include commit hash in AssemblyInformationalVersion
#925 - allow configuration providers to specify filter directives

Plus build and test coverage work in #821, #824, #896, etc.

2.3.0

#870 - fix dispose for level-restricted sinks
#852 - fix dictionary capturing when key/value are anonymous types
#835 - avoid RemotingException via LogContext
#855 - allow custom enum rendering (better ICustomFormatter support
#841 - audit-to in key-value settings

2.2.1

#835 (fix for .NET 4.6+ only)

2.2.0

#826 - Audit-style logging
#819 - Deprecate virtual extension points on JsonFormatter

2.1.0

#782 - provide Destructure.ByTransformingWhere()
#779 - capture additional parameters even when template is malformed
#798 - fix overload selection in KeyValueSettings
#815 - allow level to be lowered by overrides, in addition to being raised

Commits viewable in compare view.

Updated Serilog.Sinks.TextWriter from 2.0.0 to 3.0.0.

Release notes

Sourced from Serilog.Sinks.TextWriter's releases.

3.0.0

#6 - update to new project format (@danielchalmers)
#7 - fix README.md header (@danielchalmers)
Build on VS2022 (@SimonCropp)
#8 - breaking - update for Serilog 4 (@Numpsy)

Breaking changes

TFMs prior to netstandard2.0 are no longer supported; use the 2.x series of packages on these platforms.

2.1.0

#3 - custom ITextFormatter support (@krajek)

Commits viewable in compare view.

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Bumps Serilog from 2.0.0 to 4.0.0 Bumps Serilog.Sinks.TextWriter from 2.0.0 to 3.0.0 --- updated-dependencies: - dependency-name: Serilog dependency-version: 4.0.0 dependency-type: direct:production update-type: version-update:semver-major - dependency-name: Serilog.Sinks.TextWriter dependency-version: 3.0.0 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <[email protected]>

dependabot bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Nov 12, 2025

MjrTom merged commit 9584ff4 into master Nov 12, 2025
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MjrTom deleted the dependabot/nuget/src/Castle.Core.Tests/multi-7bc09f723c branch November 12, 2025 11:22

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Bump Serilog and Serilog.Sinks.TextWriter #11

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4.0.0

What's new in Serilog 4.0.0?

Simple, robust, built-in batching support

Experimental dotted name capturing

Changes

3.1.1

3.1.0

Built-in trace and span id support

Dropped .NET Core 2.1 and 3.0 support

Technical breaking changes

Trace and span id placeholders

nint and nuint (IntPtr and UIntPtr) handling

3.0.1

3.0.0

What's new in 3.0.0?

Changes

2.12.0

Highlights of 2.12.0

Improved and expanded <Nullable>enable</Nullable> support

IAsyncDisposable support

DateOnly and TimeOnly support

Merged PRs

2.11.0

2.10.0

2.9.0

2.8.0

2.7.1

2.6.0

2.5.0

2.4.0

2.3.0

2.2.1

2.2.0

2.1.0

3.0.0

Breaking changes

2.1.0

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`nint` and `nuint` (`IntPtr` and `UIntPtr`) handling

Improved and expanded `<Nullable>enable</Nullable>` support

`IAsyncDisposable` support

`DateOnly` and `TimeOnly` support