Released package

NuGet Smdn.Fundamental.StandardDateTimeFormat version 3.2.0

Release notes

The full release notes are available at gist.

Change log

Change log in this release:

2026-05-30 update assembly version
2026-05-30 add target framework net10.0
2026-05-30 update dependencies to AOT-compatible versions
2025-07-04 use the default configuration for <Nullable>
2025-07-04 remove redundant <RootNamespace>s
2025-06-30 drop the target framework netstandard1.x and use netstandard2.0 as the baseline instead
2025-06-08 fix typo and replace to more better word
2025-04-21 fix typo in comment
2024-12-12 drop target framework net6.0, or replace it to net8.0
2023-12-24 fix or suppress CA warnings
2023-12-19 fix warning IDE0005: Using directive is unnecessary
2023-12-19 fix warning IDE1006: Naming rule violation
2023-12-19 disable warning CS1591
2023-05-11 compliant IDE0030; empty the root namespace so that the namespace is determined only by the directory name
2023-05-10 specify StringComparison for clarity
2023-01-05 seal the internal classes
2023-01-05 use scoped ref on NET 7.0/C# 11

API changes

API changes in this release:

diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net10.0.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net10.0.apilist.cs
new file mode 100644
index 00000000..a2f72220
--- /dev/null
+++ b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net10.0.apilist.cs
@@ -0,0 +1,84 @@
+// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.2.0)
+//   Name: Smdn.Fundamental.StandardDateTimeFormat
+//   AssemblyVersion: 3.2.0.0
+//   InformationalVersion: 3.2.0+be97624d8e1d0a344a8deba949e46e656edba9cb
+//   TargetFramework: .NETCoreApp,Version=v10.0
+//   Configuration: Release
+//   Metadata: IsTrimmable=True
+//   Metadata: IsAotCompatible=True
+//   Metadata: RepositoryUrl=https://github.com/smdn/Smdn.Fundamentals
+//   Metadata: RepositoryBranch=main
+//   Metadata: RepositoryCommit=be97624d8e1d0a344a8deba949e46e656edba9cb
+//   Referenced assemblies:
+//     System.Memory, Version=10.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
+//     System.Runtime, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
+#nullable enable annotations
+
+using System;
+
+namespace Smdn.Formats {
+  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
+  public static class DateTimeFormat {
+    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
+    public static DateTime FromISO8601DateTimeString(string s) {}
+    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
+    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
+    public static DateTime FromRFC822DateTimeString(string s) {}
+    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
+    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
+    public static DateTime FromW3CDateTimeString(string s) {}
+    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
+    public static string ToISO8601DateTimeString(DateTime dateTime) {}
+    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string ToRFC822DateTimeString(DateTime dateTime) {}
+    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
+    public static string ToW3CDateTimeString(DateTime dateTime) {}
+    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
+  }
+}
+
+namespace Smdn.Formats.DateAndTime {
+  public static class DateAndTimeFormatter {
+    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
+  }
+
+  public static class ISO8601DateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static string ToWeekDateString(DateOnly date) {}
+    public static string ToWeekDateString(DateTime date) {}
+    public static string ToWeekDateString(DateTimeOffset date) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+
+  public static class RFC822DateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+
+  public static class W3CDateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+}
+// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.8.1.0.
+// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.6.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net45.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net45.apilist.cs
index 3d85442c..077c91f1 100644
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net45.apilist.cs
+++ b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net45.apilist.cs
@@ -1,76 +1,79 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
+// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.2.0)
 //   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
+//   AssemblyVersion: 3.2.0.0
+//   InformationalVersion: 3.2.0+be97624d8e1d0a344a8deba949e46e656edba9cb
 //   TargetFramework: .NETFramework,Version=v4.5
 //   Configuration: Release
+//   Metadata: RepositoryUrl=https://github.com/smdn/Smdn.Fundamentals
+//   Metadata: RepositoryBranch=main
+//   Metadata: RepositoryCommit=be97624d8e1d0a344a8deba949e46e656edba9cb
 //   Referenced assemblies:
 //     System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 //     mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
 #nullable enable annotations
 
 using System;
 
 namespace Smdn.Formats {
   [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
   public static class DateTimeFormat {
     public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
     public static DateTime FromISO8601DateTimeString(string s) {}
     public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
     public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
     public static DateTime FromRFC822DateTimeString(string s) {}
     public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
     public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
     public static DateTime FromW3CDateTimeString(string s) {}
     public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
     public static string ToISO8601DateTimeString(DateTime dateTime) {}
     public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
     public static string ToRFC822DateTimeString(DateTime dateTime) {}
     public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
     public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
     public static string ToW3CDateTimeString(DateTime dateTime) {}
     public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
     public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
   }
 }
 
 namespace Smdn.Formats.DateAndTime {
   public static class DateAndTimeFormatter {
     public static string FormatOffset(TimeSpan offset, bool delimiter) {}
   }
 
   public static class ISO8601DateTimeFormats {
     public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
     public static DateTime ParseDateTime(string s) {}
     public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
     public static DateTimeOffset ParseDateTimeOffset(string s) {}
     public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
     public static bool TryParseDateTime(string? s, out DateTime result) {}
     public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
     public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
   }
 
   public static class RFC822DateTimeFormats {
     public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
     public static DateTime ParseDateTime(string s) {}
     public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
     public static DateTimeOffset ParseDateTimeOffset(string s) {}
     public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
     public static bool TryParseDateTime(string? s, out DateTime result) {}
     public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
     public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
   }
 
   public static class W3CDateTimeFormats {
     public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
     public static DateTime ParseDateTime(string s) {}
     public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
     public static DateTimeOffset ParseDateTimeOffset(string s) {}
     public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
     public static bool TryParseDateTime(string? s, out DateTime result) {}
     public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
     public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
   }
 }
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
+// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.8.1.0.
+// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.6.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net6.0.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net6.0.apilist.cs
deleted file mode 100644
index a4dd8fc9..00000000
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net6.0.apilist.cs
+++ /dev/null
@@ -1,79 +0,0 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
-//   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
-//   TargetFramework: .NETCoreApp,Version=v6.0
-//   Configuration: Release
-//   Referenced assemblies:
-//     System.Memory, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
-//     System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-#nullable enable annotations
-
-using System;
-
-namespace Smdn.Formats {
-  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
-  public static class DateTimeFormat {
-    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
-    public static DateTime FromISO8601DateTimeString(string s) {}
-    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromRFC822DateTimeString(string s) {}
-    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromW3CDateTimeString(string s) {}
-    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
-    public static string ToISO8601DateTimeString(DateTime dateTime) {}
-    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string ToRFC822DateTimeString(DateTime dateTime) {}
-    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-    public static string ToW3CDateTimeString(DateTime dateTime) {}
-    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-  }
-}
-
-namespace Smdn.Formats.DateAndTime {
-  public static class DateAndTimeFormatter {
-    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
-  }
-
-  public static class ISO8601DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static string ToWeekDateString(DateOnly date) {}
-    public static string ToWeekDateString(DateTime date) {}
-    public static string ToWeekDateString(DateTimeOffset date) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class RFC822DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class W3CDateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-}
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net8.0.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net8.0.apilist.cs
new file mode 100644
index 00000000..074693b5
--- /dev/null
+++ b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-net8.0.apilist.cs
@@ -0,0 +1,83 @@
+// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.2.0)
+//   Name: Smdn.Fundamental.StandardDateTimeFormat
+//   AssemblyVersion: 3.2.0.0
+//   InformationalVersion: 3.2.0+be97624d8e1d0a344a8deba949e46e656edba9cb
+//   TargetFramework: .NETCoreApp,Version=v8.0
+//   Configuration: Release
+//   Metadata: IsTrimmable=True
+//   Metadata: RepositoryUrl=https://github.com/smdn/Smdn.Fundamentals
+//   Metadata: RepositoryBranch=main
+//   Metadata: RepositoryCommit=be97624d8e1d0a344a8deba949e46e656edba9cb
+//   Referenced assemblies:
+//     System.Memory, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
+//     System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
+#nullable enable annotations
+
+using System;
+
+namespace Smdn.Formats {
+  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
+  public static class DateTimeFormat {
+    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
+    public static DateTime FromISO8601DateTimeString(string s) {}
+    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
+    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
+    public static DateTime FromRFC822DateTimeString(string s) {}
+    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
+    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
+    public static DateTime FromW3CDateTimeString(string s) {}
+    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
+    public static string ToISO8601DateTimeString(DateTime dateTime) {}
+    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string ToRFC822DateTimeString(DateTime dateTime) {}
+    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
+    public static string ToW3CDateTimeString(DateTime dateTime) {}
+    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
+  }
+}
+
+namespace Smdn.Formats.DateAndTime {
+  public static class DateAndTimeFormatter {
+    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
+  }
+
+  public static class ISO8601DateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static string ToWeekDateString(DateOnly date) {}
+    public static string ToWeekDateString(DateTime date) {}
+    public static string ToWeekDateString(DateTimeOffset date) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+
+  public static class RFC822DateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+
+  public static class W3CDateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+}
+// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.8.1.0.
+// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.6.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.0.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.0.apilist.cs
deleted file mode 100644
index a1801ad5..00000000
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.0.apilist.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
-//   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
-//   TargetFramework: .NETStandard,Version=v1.0
-//   Configuration: Release
-//   Referenced assemblies:
-//     System.Globalization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-//     System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-#nullable enable annotations
-
-using System;
-
-namespace Smdn.Formats {
-  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
-  public static class DateTimeFormat {
-    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
-    public static DateTime FromISO8601DateTimeString(string s) {}
-    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromRFC822DateTimeString(string s) {}
-    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromW3CDateTimeString(string s) {}
-    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
-    public static string ToISO8601DateTimeString(DateTime dateTime) {}
-    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string ToRFC822DateTimeString(DateTime dateTime) {}
-    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-    public static string ToW3CDateTimeString(DateTime dateTime) {}
-    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-  }
-}
-
-namespace Smdn.Formats.DateAndTime {
-  public static class DateAndTimeFormatter {
-    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
-  }
-
-  public static class ISO8601DateTimeFormats {
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class RFC822DateTimeFormats {
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class W3CDateTimeFormats {
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-}
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.1.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.1.apilist.cs
deleted file mode 100644
index 2866fb0e..00000000
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.1.apilist.cs
+++ /dev/null
@@ -1,77 +0,0 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
-//   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
-//   TargetFramework: .NETStandard,Version=v1.1
-//   Configuration: Release
-//   Referenced assemblies:
-//     System.Globalization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-//     System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
-//     System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-#nullable enable annotations
-
-using System;
-
-namespace Smdn.Formats {
-  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
-  public static class DateTimeFormat {
-    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
-    public static DateTime FromISO8601DateTimeString(string s) {}
-    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromRFC822DateTimeString(string s) {}
-    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromW3CDateTimeString(string s) {}
-    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
-    public static string ToISO8601DateTimeString(DateTime dateTime) {}
-    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string ToRFC822DateTimeString(DateTime dateTime) {}
-    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-    public static string ToW3CDateTimeString(DateTime dateTime) {}
-    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-  }
-}
-
-namespace Smdn.Formats.DateAndTime {
-  public static class DateAndTimeFormatter {
-    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
-  }
-
-  public static class ISO8601DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class RFC822DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class W3CDateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-}
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.3.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.3.apilist.cs
deleted file mode 100644
index 2e7ab5b9..00000000
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.3.apilist.cs
+++ /dev/null
@@ -1,77 +0,0 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
-//   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
-//   TargetFramework: .NETStandard,Version=v1.3
-//   Configuration: Release
-//   Referenced assemblies:
-//     System.Globalization, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-//     System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
-//     System.Runtime, Version=4.0.20.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-#nullable enable annotations
-
-using System;
-
-namespace Smdn.Formats {
-  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
-  public static class DateTimeFormat {
-    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
-    public static DateTime FromISO8601DateTimeString(string s) {}
-    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromRFC822DateTimeString(string s) {}
-    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromW3CDateTimeString(string s) {}
-    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
-    public static string ToISO8601DateTimeString(DateTime dateTime) {}
-    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string ToRFC822DateTimeString(DateTime dateTime) {}
-    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-    public static string ToW3CDateTimeString(DateTime dateTime) {}
-    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-  }
-}
-
-namespace Smdn.Formats.DateAndTime {
-  public static class DateAndTimeFormatter {
-    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
-  }
-
-  public static class ISO8601DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class RFC822DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class W3CDateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-}
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.6.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.6.apilist.cs
deleted file mode 100644
index 1433317d..00000000
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard1.6.apilist.cs
+++ /dev/null
@@ -1,77 +0,0 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
-//   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
-//   TargetFramework: .NETStandard,Version=v1.6
-//   Configuration: Release
-//   Referenced assemblies:
-//     System.Globalization, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-//     System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
-//     System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
-#nullable enable annotations
-
-using System;
-
-namespace Smdn.Formats {
-  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
-  public static class DateTimeFormat {
-    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
-    public static DateTime FromISO8601DateTimeString(string s) {}
-    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromRFC822DateTimeString(string s) {}
-    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
-    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
-    public static DateTime FromW3CDateTimeString(string s) {}
-    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
-    public static string ToISO8601DateTimeString(DateTime dateTime) {}
-    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string ToRFC822DateTimeString(DateTime dateTime) {}
-    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-    public static string ToW3CDateTimeString(DateTime dateTime) {}
-    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
-    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
-  }
-}
-
-namespace Smdn.Formats.DateAndTime {
-  public static class DateAndTimeFormatter {
-    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
-  }
-
-  public static class ISO8601DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class RFC822DateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-
-  public static class W3CDateTimeFormats {
-    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
-    public static DateTime ParseDateTime(string s) {}
-    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
-    public static DateTimeOffset ParseDateTimeOffset(string s) {}
-    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
-    public static bool TryParseDateTime(string? s, out DateTime result) {}
-    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
-    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
-  }
-}
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.0.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.0.apilist.cs
new file mode 100644
index 00000000..093005a9
--- /dev/null
+++ b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.0.apilist.cs
@@ -0,0 +1,79 @@
+// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.2.0)
+//   Name: Smdn.Fundamental.StandardDateTimeFormat
+//   AssemblyVersion: 3.2.0.0
+//   InformationalVersion: 3.2.0+be97624d8e1d0a344a8deba949e46e656edba9cb
+//   TargetFramework: .NETStandard,Version=v2.0
+//   Configuration: Release
+//   Metadata: RepositoryUrl=https://github.com/smdn/Smdn.Fundamentals
+//   Metadata: RepositoryBranch=main
+//   Metadata: RepositoryCommit=be97624d8e1d0a344a8deba949e46e656edba9cb
+//   Referenced assemblies:
+//     System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
+//     netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
+#nullable enable annotations
+
+using System;
+
+namespace Smdn.Formats {
+  [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
+  public static class DateTimeFormat {
+    public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
+    public static DateTime FromISO8601DateTimeString(string s) {}
+    public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
+    public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
+    public static DateTime FromRFC822DateTimeString(string s) {}
+    public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
+    public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
+    public static DateTime FromW3CDateTimeString(string s) {}
+    public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
+    public static string ToISO8601DateTimeString(DateTime dateTime) {}
+    public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string ToRFC822DateTimeString(DateTime dateTime) {}
+    public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
+    public static string ToW3CDateTimeString(DateTime dateTime) {}
+    public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
+    public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
+  }
+}
+
+namespace Smdn.Formats.DateAndTime {
+  public static class DateAndTimeFormatter {
+    public static string FormatOffset(TimeSpan offset, bool delimiter) {}
+  }
+
+  public static class ISO8601DateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+
+  public static class RFC822DateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+
+  public static class W3CDateTimeFormats {
+    public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
+    public static DateTime ParseDateTime(string s) {}
+    public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
+    public static DateTimeOffset ParseDateTimeOffset(string s) {}
+    public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
+    public static bool TryParseDateTime(string? s, out DateTime result) {}
+    public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
+    public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
+  }
+}
+// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.8.1.0.
+// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.6.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
diff --git a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.1.apilist.cs b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.1.apilist.cs
index faeebeb7..616552f8 100644
--- a/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.1.apilist.cs
+++ b/doc/api-list/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat-netstandard2.1.apilist.cs
@@ -1,77 +1,80 @@
-// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.1.0)
+// Smdn.Fundamental.StandardDateTimeFormat.dll (Smdn.Fundamental.StandardDateTimeFormat-3.2.0)
 //   Name: Smdn.Fundamental.StandardDateTimeFormat
-//   AssemblyVersion: 3.1.0.0
-//   InformationalVersion: 3.1.0+e70d21c3633ec38bff9bacbccb59b3fb48138896
+//   AssemblyVersion: 3.2.0.0
+//   InformationalVersion: 3.2.0+be97624d8e1d0a344a8deba949e46e656edba9cb
 //   TargetFramework: .NETStandard,Version=v2.1
 //   Configuration: Release
+//   Metadata: RepositoryUrl=https://github.com/smdn/Smdn.Fundamentals
+//   Metadata: RepositoryBranch=main
+//   Metadata: RepositoryCommit=be97624d8e1d0a344a8deba949e46e656edba9cb
 //   Referenced assemblies:
 //     netstandard, Version=2.1.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
 #nullable enable annotations
 
 using System;
 
 namespace Smdn.Formats {
   [TypeForwardedFrom("Smdn, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null")]
   public static class DateTimeFormat {
     public static DateTimeOffset FromISO8601DateTimeOffsetString(string s) {}
     public static DateTime FromISO8601DateTimeString(string s) {}
     public static DateTimeOffset FromRFC822DateTimeOffsetString(string s) {}
     public static DateTimeOffset? FromRFC822DateTimeOffsetStringNullable(string? s) {}
     public static DateTime FromRFC822DateTimeString(string s) {}
     public static DateTimeOffset FromW3CDateTimeOffsetString(string s) {}
     public static DateTimeOffset? FromW3CDateTimeOffsetStringNullable(string? s) {}
     public static DateTime FromW3CDateTimeString(string s) {}
     public static string GetCurrentTimeZoneOffsetString(bool delimiter) {}
     public static string ToISO8601DateTimeString(DateTime dateTime) {}
     public static string ToISO8601DateTimeString(DateTimeOffset dateTimeOffset) {}
     public static string ToRFC822DateTimeString(DateTime dateTime) {}
     public static string ToRFC822DateTimeString(DateTimeOffset dateTimeOffset) {}
     public static string? ToRFC822DateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
     public static string ToW3CDateTimeString(DateTime dateTime) {}
     public static string ToW3CDateTimeString(DateTimeOffset dateTimeOffset) {}
     public static string? ToW3CDateTimeStringNullable(DateTimeOffset? dateTimeOffset) {}
   }
 }
 
 namespace Smdn.Formats.DateAndTime {
   public static class DateAndTimeFormatter {
     public static string FormatOffset(TimeSpan offset, bool delimiter) {}
   }
 
   public static class ISO8601DateTimeFormats {
     public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
     public static DateTime ParseDateTime(string s) {}
     public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
     public static DateTimeOffset ParseDateTimeOffset(string s) {}
     public static string ToWeekDateString(DateTime date) {}
     public static string ToWeekDateString(DateTimeOffset date) {}
     public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
     public static bool TryParseDateTime(string? s, out DateTime result) {}
     public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
     public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
   }
 
   public static class RFC822DateTimeFormats {
     public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
     public static DateTime ParseDateTime(string s) {}
     public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
     public static DateTimeOffset ParseDateTimeOffset(string s) {}
     public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
     public static bool TryParseDateTime(string? s, out DateTime result) {}
     public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
     public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
   }
 
   public static class W3CDateTimeFormats {
     public static DateTime ParseDateTime(ReadOnlySpan<char> s) {}
     public static DateTime ParseDateTime(string s) {}
     public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s) {}
     public static DateTimeOffset ParseDateTimeOffset(string s) {}
     public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result) {}
     public static bool TryParseDateTime(string? s, out DateTime result) {}
     public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result) {}
     public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result) {}
   }
 }
-// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.1.7.0.
-// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.2.0.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)
+// API list generated by Smdn.Reflection.ReverseGenerating.ListApi.MSBuild.Tasks v1.8.1.0.
+// Smdn.Reflection.ReverseGenerating.ListApi.Core v1.6.1.0 (https://github.com/smdn/Smdn.Reflection.ReverseGenerating)

Full changes

Full changes in this release:

diff --git a/src/Smdn.Fundamental.StandardDateTimeFormat/CompatibilitySuppressions.xml b/src/Smdn.Fundamental.StandardDateTimeFormat/CompatibilitySuppressions.xml
new file mode 100644
index 00000000..9809ad89
--- /dev/null
+++ b/src/Smdn.Fundamental.StandardDateTimeFormat/CompatibilitySuppressions.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- https://learn.microsoft.com/dotnet/fundamentals/package-validation/diagnostic-ids -->
+<Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <Suppression>
+    <DiagnosticId>PKV006</DiagnosticId>
+    <Target>.NETStandard,Version=v1.6</Target>
+  </Suppression>
+</Suppressions>
\ No newline at end of file
diff --git a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/DateAndTimeParser.cs b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/DateAndTimeParser.cs
index 51b7bc8d..bd47c6f0 100644
--- a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/DateAndTimeParser.cs
+++ b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/DateAndTimeParser.cs
@@ -112,8 +112,8 @@ internal static class DateAndTimeParser {
       : throw CreateInvalidInputException();
   }
 
-  private static Exception CreateInvalidInputException()
-    => new FormatException("The input string was not recognized as a valid DateTime/DateTimeOffset");
+  private static FormatException CreateInvalidInputException()
+    => new("The input string was not recognized as a valid DateTime/DateTimeOffset");
 
 #if SYSTEM_READONLYSPAN
   internal static bool TryParseDateTime(
@@ -344,6 +344,9 @@ internal static class DateAndTimeParser {
     [DisallowNull]
 #endif
     IReadOnlyList<TimeZoneDefinition> timeZoneDefinitions,
+#if LANG_VERSION_11_OR_GREATER
+    scoped
+#endif
     ref DateTimeStyles dateTimeStylesOfTimeZone,
     out TimeZoneDefinition? timeZone
   )
diff --git a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/ISO8601DateTimeFormats.cs b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/ISO8601DateTimeFormats.cs
index 0794f0ee..14769bf2 100644
--- a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/ISO8601DateTimeFormats.cs
+++ b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/ISO8601DateTimeFormats.cs
@@ -2,7 +2,9 @@
 // SPDX-License-Identifier: MIT
 using System;
 using System.Collections.Generic;
+#if SYSTEM_GLOBALIZATION_ISOWEEK
 using System.Globalization;
+#endif
 
 namespace Smdn.Formats.DateAndTime;
 
@@ -95,8 +97,9 @@ public static class ISO8601DateTimeFormats {
 
   internal static readonly string[] DateAndTimeFormatStrings = new string[] {
     "o",
-    // "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffffzzz", // is coverd by format string 'o'
-    // "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffff", // is coverd by format string 'o'
+    // cSpell:disable
+    // "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffffzzz", // is covered by format string 'o'
+    // "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffff", // is covered by format string 'o'
     "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'ffffffzzz",
     "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'ffffff",
     "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffzzz",
@@ -135,6 +138,7 @@ public static class ISO8601DateTimeFormats {
     "yyyy'-'MM'-'dd' 'HH':'mm",
     "yyyy'-'MM'-'dd' 'HHzzz",
     "yyyy'-'MM'-'dd' 'HH",
+    // cSpell:enable
   };
 
   internal static readonly string[] DateOnlyFormatStrings = new string[] {
diff --git a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/RFC822DateTimeFormats.cs b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/RFC822DateTimeFormats.cs
index c4d4622a..e888442a 100644
--- a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/RFC822DateTimeFormats.cs
+++ b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/RFC822DateTimeFormats.cs
@@ -16,35 +16,45 @@ public static class RFC822DateTimeFormats {
     );
 
   internal static string ToString(DateTimeOffset dateTimeOffset)
+#pragma warning disable SA1001, SA1113
     => string.Concat(
       dateTimeOffset.ToString("ddd, d MMM yyyy HH:mm:ss ", CultureInfo.InvariantCulture.DateTimeFormat),
-      dateTimeOffset.ToString("zzz", CultureInfo.InvariantCulture.DateTimeFormat).Replace(":", string.Empty)
+      dateTimeOffset
+        .ToString("zzz", CultureInfo.InvariantCulture.DateTimeFormat)
+        .Replace(
+          ":",
+          string.Empty
+#if SYSTEM_STRING_REPLACE_STRING_STRING_STRINGCOMPARISON
+          , StringComparison.Ordinal
+#endif
+        )
     );
+#pragma warning restore SA1001, SA1113
 
   public static DateTime ParseDateTime(string s)
     => DateAndTimeParser.ParseDateTime(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions
+      TimeZoneDefinitions
     );
 
 #if SYSTEM_READONLYSPAN
   public static DateTime ParseDateTime(ReadOnlySpan<char> s)
     => DateAndTimeParser.ParseDateTime(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions
+      TimeZoneDefinitions
     );
 #endif
 
   public static bool TryParseDateTime(string? s, out DateTime result)
     => DateAndTimeParser.TryParseDateTime(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions,
+      TimeZoneDefinitions,
       out result
     );
 
@@ -52,9 +62,9 @@ public static class RFC822DateTimeFormats {
   public static bool TryParseDateTime(ReadOnlySpan<char> s, out DateTime result)
     => DateAndTimeParser.TryParseDateTime(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions,
+      TimeZoneDefinitions,
       out result
     );
 #endif
@@ -62,27 +72,27 @@ public static class RFC822DateTimeFormats {
   public static DateTimeOffset ParseDateTimeOffset(string s)
     => DateAndTimeParser.ParseDateTimeOffset(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions
+      TimeZoneDefinitions
     );
 
 #if SYSTEM_READONLYSPAN
   public static DateTimeOffset ParseDateTimeOffset(ReadOnlySpan<char> s)
     => DateAndTimeParser.ParseDateTimeOffset(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions
+      TimeZoneDefinitions
     );
 #endif
 
   public static bool TryParseDateTimeOffset(string? s, out DateTimeOffset result)
     => DateAndTimeParser.TryParseDateTimeOffset(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions,
+      TimeZoneDefinitions,
       out result
     );
 
@@ -90,14 +100,14 @@ public static class RFC822DateTimeFormats {
   public static bool TryParseDateTimeOffset(ReadOnlySpan<char> s, out DateTimeOffset result)
     => DateAndTimeParser.TryParseDateTimeOffset(
       s,
-      formatStrings,
+      FormatStrings,
       formatsDateOnly: null,
-      timeZoneDefinitions,
+      TimeZoneDefinitions,
       out result
     );
 #endif
 
-  private static readonly IReadOnlyList<TimeZoneDefinition> timeZoneDefinitions = new TimeZoneDefinition[] {
+  private static readonly IReadOnlyList<TimeZoneDefinition> TimeZoneDefinitions = new TimeZoneDefinition[] {
     new UniversalTimeZoneDefinition(" GMT"),
     new UniversalTimeZoneDefinition(" UT"),
     new RFC5322EasternTimeZoneDefinition(" EST"),
@@ -135,7 +145,7 @@ public static class RFC822DateTimeFormats {
     new RFC5322MilitaryTimeZoneDefinition(" Z"),
   };
 
-  private class RFC5322MilitaryTimeZoneDefinition : TimeZoneDefinition {
+  private sealed class RFC5322MilitaryTimeZoneDefinition : TimeZoneDefinition {
     public override StringComparison SuffixComparison => StringComparison.OrdinalIgnoreCase;
 
     public RFC5322MilitaryTimeZoneDefinition(string suffix)
@@ -157,9 +167,9 @@ public static class RFC822DateTimeFormats {
   }
 
   // EST(-05:00)/EDT(-04:00)
-  private class RFC5322EasternTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
+  private sealed class RFC5322EasternTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
 #if SYSTEM_TIMEZONEINFO_FINDSYSTEMTIMEZONEBYID
-    private static readonly IReadOnlyList<string> timeZoneIds = new[] {
+    private static readonly IReadOnlyList<string> TimeZoneIds = new[] {
       "US/Eastern",
       "Eastern Standard Time",
       "America/New_York",
@@ -167,7 +177,7 @@ public static class RFC822DateTimeFormats {
     };
 
     public RFC5322EasternTimeZoneDefinition(string prefix)
-      : base(prefix, "EST", timeZoneIds)
+      : base(prefix, "EST", TimeZoneIds)
     {
     }
 #else
@@ -184,9 +194,9 @@ public static class RFC822DateTimeFormats {
   }
 
   // CST(-06:00)/CDT(-05:00)
-  private class RFC5322CentralTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
+  private sealed class RFC5322CentralTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
 #if SYSTEM_TIMEZONEINFO_FINDSYSTEMTIMEZONEBYID
-    private static readonly IReadOnlyList<string> timeZoneIds = new[] {
+    private static readonly IReadOnlyList<string> TimeZoneIds = new[] {
       "US/Central",
       "Central Standard Time",
       "America/Chicago",
@@ -194,7 +204,7 @@ public static class RFC822DateTimeFormats {
     };
 
     public RFC5322CentralTimeZoneDefinition(string prefix)
-      : base(prefix, "CST", timeZoneIds)
+      : base(prefix, "CST", TimeZoneIds)
     {
     }
 #else
@@ -211,9 +221,9 @@ public static class RFC822DateTimeFormats {
   }
 
   // MST(-07:00)/MDT(-06:00)
-  private class RFC5322MountainTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
+  private sealed class RFC5322MountainTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
 #if SYSTEM_TIMEZONEINFO_FINDSYSTEMTIMEZONEBYID
-    private static readonly IReadOnlyList<string> timeZoneIds = new[] {
+    private static readonly IReadOnlyList<string> TimeZoneIds = new[] {
       "US/Mountain",
       "Mountain Standard Time",
       "America/Denver",
@@ -221,7 +231,7 @@ public static class RFC822DateTimeFormats {
     };
 
     public RFC5322MountainTimeZoneDefinition(string prefix)
-      : base(prefix, "MST", timeZoneIds)
+      : base(prefix, "MST", TimeZoneIds)
     {
     }
 #else
@@ -238,9 +248,9 @@ public static class RFC822DateTimeFormats {
   }
 
   // PST(-08:00)/PDT(-07:00)
-  private class RFC5322PacificTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
+  private sealed class RFC5322PacificTimeZoneDefinition : RFC5322NorthAmericanTimeZoneDefinition {
 #if SYSTEM_TIMEZONEINFO_FINDSYSTEMTIMEZONEBYID
-    private static readonly IReadOnlyList<string> timeZoneIds = new[] {
+    private static readonly IReadOnlyList<string> TimeZoneIds = new[] {
       "US/Pacific",
       "Pacific Standard Time",
       "America/Los_Angeles",
@@ -248,7 +258,7 @@ public static class RFC822DateTimeFormats {
     };
 
     public RFC5322PacificTimeZoneDefinition(string prefix)
-      : base(prefix, "PST", timeZoneIds)
+      : base(prefix, "PST", TimeZoneIds)
     {
     }
 #else
@@ -328,7 +338,7 @@ public static class RFC822DateTimeFormats {
       => new(dateAndTime.DateTime, GetUtcOffset(dateAndTime.DateTime));
   }
 
-  private static readonly string[] formatStrings = new[]
+  private static readonly string[] FormatStrings = new[]
   {
     // "r", // RFC1123 "ddd, dd MMM yyyy HH':'mm':'ss 'GMT'"
     "ddd',' d MMM yyyy H':'m':'s'.'fffffff zzz",
diff --git a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/UniversalTimeZoneDefinition.cs b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/UniversalTimeZoneDefinition.cs
index f40fa2cb..4b89a564 100644
--- a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/UniversalTimeZoneDefinition.cs
+++ b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Formats.DateAndTime/UniversalTimeZoneDefinition.cs
@@ -4,7 +4,7 @@ using System;
 
 namespace Smdn.Formats.DateAndTime;
 
-internal class UniversalTimeZoneDefinition : TimeZoneDefinition {
+internal sealed class UniversalTimeZoneDefinition : TimeZoneDefinition {
   public override bool IsUniversal => true;
 
   public UniversalTimeZoneDefinition(string suffix)
diff --git a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat.csproj b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat.csproj
index 4c7b5fad..566c4ce1 100644
--- a/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat.csproj
+++ b/src/Smdn.Fundamental.StandardDateTimeFormat/Smdn.Fundamental.StandardDateTimeFormat.csproj
@@ -1,14 +1,18 @@
-<!--
+<!--
 SPDX-FileCopyrightText: 2021 smdn <smdn@smdn.jp>
 SPDX-License-Identifier: MIT
 -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net45;netstandard2.1;netstandard1.6;netstandard1.3;netstandard1.1;netstandard1.0</TargetFrameworks>
-    <VersionPrefix>3.1.0</VersionPrefix>
+    <TargetFrameworks>net10.0;net8.0;net45;netstandard2.1;netstandard2.0</TargetFrameworks>
+    <VersionPrefix>3.2.0</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <PackageValidationBaselineVersion>3.0.0</PackageValidationBaselineVersion>
-    <Nullable>enable</Nullable>
+    <DefineConstants
+      Condition="$([MSBuild]::VersionGreaterThanOrEquals('$(NETCoreSdkVersion)', '7.0.0'))"
+    >$(DefineConstants);LANG_VERSION_11_OR_GREATER</DefineConstants> <!-- required to use the 'scoped' keyword in C# 11 -->
+    <LangVersion>latest</LangVersion> <!-- clarify to use the latest lang version -->
+    <NoWarn>CS1591;$(NoWarn)</NoWarn> <!-- CS1591: Missing XML comment for publicly visible type or member 'Type_or_Member' -->
   </PropertyGroup>
 
   <PropertyGroup Label="assembly attributes">

Notes

What's Changed

Notable changes (may include changes not directly related)

Revert "Release main/Smdn.Fundamental.RuntimeInformation-3.0.2" by @smdn in #114
Migrate to NUnit 4.0 by @smdn in #201
Smdn.Fundamental.UInt24n: enable the 'generic math' feature on .NET 8.0 or over by @smdn in #205

Dependencies

Bump dawidd6/action-download-artifact from 3.0.0 to 6 in /.github/workflows by @dependabot[bot] in #230
Bump dawidd6/action-download-artifact from 7 to 8 by @dependabot[bot] in #237
Bump smdn/Smdn.Fundamentals/.github/workflows/generate-release-target.yml@workflows/release-target/v1.10.1 from 1.10.1 to 1.10.2 by @dependabot[bot] in #238
Bump smdn/Smdn.Fundamentals/.github/workflows/publish-release.yml@workflows/release-target/v1.10.1 from 1.10.1 to 1.10.2 by @dependabot[bot] in #240
Bump smdn/Smdn.Fundamentals/.github/workflows/publish-release-target.yml@workflows/release-target/v1.10.1 from 1.10.1 to 1.10.2 by @dependabot[bot] in #239
Bump actions/setup-dotnet from 4.2.0 to 4.3.0 by @dependabot[bot] in #241
Bump actions/cache from 4.2.0 to 4.2.1 by @dependabot[bot] in #242
Bump actions/upload-artifact from 4.6.0 to 4.6.1 by @dependabot[bot] in #243
Bump actions/cache from 4.2.1 to 4.2.2 by @dependabot[bot] in #244
Bump dawidd6/action-download-artifact from 8 to 9 by @dependabot[bot] in #245
Bump actions/setup-dotnet from 4.3.0 to 4.3.1 by @dependabot[bot] in #246
Bump actions/upload-artifact from 4.6.1 to 4.6.2 by @dependabot[bot] in #248
Bump actions/cache from 4.2.2 to 4.2.3 by @dependabot[bot] in #247
Bump dawidd6/action-download-artifact from 9 to 10 by @dependabot[bot] in #250
Bump dawidd6/action-download-artifact from 10 to 11 by @dependabot[bot] in #256
Bump smdn/Smdn.Fundamentals/.github/workflows/test.yml@workflows/test/v1.4.1 from 1.4.1 to 1.4.2 by @dependabot[bot] in #259
Bump smdn/Smdn.Fundamentals/.github/workflows/publish-release.yml@workflows/release-target/v1.10.2 from 1.10.2 to 1.10.3 by @dependabot[bot] in #261
Bump smdn/Smdn.Fundamentals/.github/workflows/generate-release-target.yml@workflows/release-target/v1.10.2 from 1.10.2 to 1.10.3 by @dependabot[bot] in #260
Bump smdn/Smdn.Fundamentals/.github/workflows/publish-release-target.yml@workflows/release-target/v1.10.2 from 1.10.2 to 1.10.3 by @dependabot[bot] in #258
Bump the smdn-fundamentals-workflows group with 4 updates by @dependabot[bot] in #268
Bump the actions group with 2 updates by @dependabot[bot] in #273
Bump actions/setup-dotnet from 4.3.1 to 5.0.0 in the github-actions-workflows group by @dependabot[bot] in #274
Bump actions/cache from 4.2.4 to 4.3.0 in the github-actions-workflows group by @dependabot[bot] in #275
Bump github/codeql-action from 3 to 4 by @dependabot[bot] in #276
Bump actions/upload-artifact from 4.6.2 to 5.0.0 in the github-actions-workflows group by @dependabot[bot] in #277
Bump the github-actions-workflows group with 2 updates by @dependabot[bot] in #279
Bump actions/cache from 4.3.0 to 5.0.0 in the github-actions-workflows group by @dependabot[bot] in #289
Bump actions/cache from 5.0.0 to 5.0.1 in the github-actions-workflows group by @dependabot[bot] in #294
Bump actions/cache from 5.0.1 to 5.0.2 in the github-actions-workflows group by @dependabot[bot] in #311
Bump actions/cache from 5.0.2 to 5.0.3 in the github-actions-workflows group by @dependabot[bot] in #313
Bump the smdn-workflows-dotnet group with 2 updates by @dependabot[bot] in #325
Bump actions/cache from 5.0.3 to 5.0.4 in the github-actions-workflows group by @dependabot[bot] in #326
Bump smdn/workflows-dotnet/.github/workflows/nuget-await-package-publishing.yml from 1.1.1 to 1.2.0 in the smdn-workflows-dotnet group by @dependabot[bot] in #327
Bump smdn/workflows-dotnet/.github/workflows/publish-release.yml from 1.14.1 to 1.15.0 in the smdn-workflows-dotnet group by @dependabot[bot] in #329
Bump actions/cache from 5.0.4 to 5.0.5 in the github-actions-workflows group by @dependabot[bot] in #330
Bump github/codeql-action from 4.35.1 to 4.36.0 in the github-codeql-action group by @dependabot[bot] in #333

New Contributors

@dependabot[bot] made their first contribution in #230

Full Changelog: releases/Smdn.Fundamental.StandardDateTimeFormat-3.1.0...releases/Smdn.Fundamental.StandardDateTimeFormat-3.2.0

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