What's Changed

• ci: Pinning third party GitHub Actions sha by @guitarrapc in #383
• chore: add README.md to nuget package by @guitarrapc in #416
• chore: Specify IsPackable=false on Directory.Build.props, explicitly true for target packages. by @guitarrapc in #423
• ci: add id-token: write for NuGet Trusted Publish by @guitarrapc in #424
• ci: use OIDC for NuGet package push authentication by @guitarrapc in #445
• ci: add pr harness check by @guitarrapc in #449
• chore: add "Build succeeded!" when export completed. by @guitarrapc in #461
• ci: Improve consistency for nuget publish by @guitarrapc in #462
• Delete .github/workflows/stale.yaml by @guitarrapc in #463
• Fix some security issues and stability for data types by @neuecc in #477

Full Changelog: 1.21.4...1.22.0

What's Changed

• Support for mutable structs as BufferWriter. by @haqoff in #361
• Fix for generic struct deserialization when using ReadOnlySequence by @nathanAjacobs in #352

New Contributors

• @haqoff made their first contribution in #361
• @nathanAjacobs made their first contribution in #352

Full Changelog: 1.21.3...1.21.4

What's Changed

• Added support for nested classes by @pixsperdavid in #333

New Contributors

• @pixsperdavid made their first contribution in #333

Full Changelog: 1.21.2...1.21.3

What's Changed

• feat: MemoryPackSerializer.ResetState, ResetReaderState, ResetWriterState by @alexyakunin in #288
• Adds pragma warning disable CS0618 to generated *.MemoryPackFormatter.g.cs file by @crui3er in #295
• ci: Change Unity UnitTest from Mono to IL2CPP and enabled on CI by @guitarrapc in #312
• (Hopefully) Fixed issue 309. by @synapticnoise in #313
• [issue-300] Fix for Unmanaged Structs Using GenerateType.VersionTolerant (MEMPACK041) by @kostasbesson in #331

New Contributors

• @alexyakunin made their first contribution in #288
• @crui3er made their first contribution in #295
• @synapticnoise made their first contribution in #313
• @kostasbesson made their first contribution in #331

Full Changelog: 1.21.1...1.21.2

What's Changed

• Nit: Fix markdown double `` by @rauhs in #273
• Fix BrotliEncoder compress cause infinite loop

New Contributors

• @rauhs made their first contribution in #273

Full Changelog: 1.21.0...1.21.1

What's Changed

• Add attr to not overwrite Member with default value by @hadashiA in #268

Full Changelog: 1.20.5...1.21.0

What's Changed

• Remove default value detection by @hadashiA in #267

Full Changelog: 1.20.4...1.20.5

What's Changed

• Fix default value detection by @hadashiA in #262
• Add note about unity by @hadashiA in #264
• Fix infinite loop in BrotliEncoder by @hadashiA in #263

Full Changelog: 1.20.3...1.20.4

What's Changed

• Fix a problem with enum default value references by @hadashiA in #260

Full Changelog: 1.20.2...1.20.3

What's Changed

• Fix problem when default value expression contains namespace by @hadashiA in #253

Full Changelog: 1.20.1...1.20.2