Notable PRs in this milestone: https://github.com/shouldly/shouldly/pulls?q=is%3Apr+is%3Aclosed+milestone%3A4.3.0

What's Changed

• remove some obsoletes by @SimonCropp in https://github.com/shouldly/shouldly/pull/931
• Add support for ImmutableArray for ShouldBeEquivalentTo by @larsiver in https://github.com/shouldly/shouldly/pull/930
• update sdk to 8.0.301 by @SimonCropp in https://github.com/shouldly/shouldly/pull/942
• sdk 8.0.302 by @SimonCropp in https://github.com/shouldly/shouldly/pull/943
• remove sourcelink by @SimonCropp in https://github.com/shouldly/shouldly/pull/944
• move tests projects to net8 by @SimonCropp in https://github.com/shouldly/shouldly/pull/947
• update MarkdownSnippets by @SimonCropp in https://github.com/shouldly/shouldly/pull/949
• update PublicApiGenerator by @SimonCropp in https://github.com/shouldly/shouldly/pull/950
• update Microsoft.NET.Test.Sdk by @SimonCropp in https://github.com/shouldly/shouldly/pull/951
• update Microsoft.CodeAnalysis.CSharp by @SimonCropp in https://github.com/shouldly/shouldly/pull/952
• Improve some of the flaky tests by @slang25 in https://github.com/shouldly/shouldly/pull/954
• avoid task waiting in ShouldCompleteInTests by @SimonCropp in https://github.com/shouldly/shouldly/pull/945
• update xunit by @SimonCropp in https://github.com/shouldly/shouldly/pull/946
• Extend timeout for CI by @slang25 in https://github.com/shouldly/shouldly/pull/961
• Assortment of Minor Improvements by @slang25 in https://github.com/shouldly/shouldly/pull/962
• Switch from AppVeyor to GitHub Actions by @slang25 in https://github.com/shouldly/shouldly/pull/965
• update xunit 2.9 by @SimonCropp in https://github.com/shouldly/shouldly/pull/966
• sdk 8.0.303 by @SimonCropp in https://github.com/shouldly/shouldly/pull/968
• Fix name allBe.md by @bas-mulder in https://github.com/shouldly/shouldly/pull/972
• Support IReadOnlyDictionary<K, V> by @martincostello in https://github.com/shouldly/shouldly/pull/984
• Drop .NET 5 and add .NET 8 by @martincostello in https://github.com/shouldly/shouldly/pull/997
• Removing previous maintainers in README to avoid confusion/spam by @slang25 in https://github.com/shouldly/shouldly/pull/1032
• fix descriminate -> discriminate by @CaringDev in https://github.com/shouldly/shouldly/pull/1038
• move to stable net9 sdk 9.0.102 by @SimonCropp in https://github.com/shouldly/shouldly/pull/1039
• remove redundant verbatum strings by @SimonCropp in https://github.com/shouldly/shouldly/pull/1042
• fix docs snippets by @SimonCropp in https://github.com/shouldly/shouldly/pull/1040
• remove appveyor.yml from sln by @SimonCropp in https://github.com/shouldly/shouldly/pull/1041
• Add NRT annotation to ShouldBeAssignableTo by @Shane32 in https://github.com/shouldly/shouldly/pull/933
• fix PackageLicenseExpression in nuget by @SimonCropp in https://github.com/shouldly/shouldly/pull/1043
• fix link and add license name license.txt by @SimonCropp in https://github.com/shouldly/shouldly/pull/1044
• Add xunit v3 marker interfaces by @slang25 in https://github.com/shouldly/shouldly/pull/1045
• Fix handling of zero tolerances by @martincostello in https://github.com/shouldly/shouldly/pull/1049
• Housekeeping changes by @slang25 in https://github.com/shouldly/shouldly/pull/1052
• Add a git-blame-ignore-revs file by @slang25 in https://github.com/shouldly/shouldly/pull/1053
• Support Nullable in ShouldBeAssignableTo by @slang25 in https://github.com/shouldly/shouldly/pull/1054
• Relax missing actual argument expression by @slang25 in https://github.com/shouldly/shouldly/pull/1056
• Many dependabot updates

New Contributors

• @larsiver made their first contribution in https://github.com/shouldly/shouldly/pull/930
• @bas-mulder made their first contribution in https://github.com/shouldly/shouldly/pull/972
• @CaringDev made their first contribution in https://github.com/shouldly/shouldly/pull/1038
• @Shane32 made their first contribution in https://github.com/shouldly/shouldly/pull/933

Full Changelog: https://github.com/shouldly/shouldly/compare/4.2.1...4.3.0