3.0.0 (2023-08-07)

Bug Fixes

• Nullable<T>.Value is no longer treated as a member (#575) (b238481)
• Add comment (#496) (b3e1657)
• add private does not obscure test (#554) (f6d8d34)
• allow reference handling for generic and runtime target type mapping methods (#508) (34b237f)
• clone array when deepcloning is enabled and target is an IEnumerable (#431) (082d877)
• disable warning when iterating nullable array elements (#592) (8f37f44)
• exclude explicit casts when source type is object (#400) (3af9cc9)
• existing dictionary and enumerable mapping should respect enabled conversion types (#459) (86f48a2)
• generate nameof compatible member access (#539) (92673db)
• handle internal visibility correctly (#597) (5d4596a)
• ignore user implemented generic methods (#423) (408d03f)
• improve performance for member resolution (#603) (641c1bf)
• incorrect initialization for nullable nested memberpath unflattening (#591) (9b74e8f)
• lambdas should use correct scopes to generate names (#411) (e5d9bb2)
• make all attributes sealed (#614) (24614c0)
• map existing target sets correct (#500) (38e6556)
• only use instance constructors to create new object instances (#458) (848fb45)
• prevent ctormapping using inaccessible constructors (#456) (125742e)
• prevent duplicates attributes and base types for nested mappers (#544) (44667c8)
• prevent generation of empty if not null statements (#576) (8cbeff1)
• prevent mapping backing field (#608) (d768dbb)
• prevent throw throw being generated. (#415) (3c41c84)
• remove obsolete MapperIgnoreAttribute (#611) (c7a5099)
• required/init properties not using PropertyNameMappingStrategy (#505) (#556) (564a43e)
• seal all configuration attributes (#403) (cb837e0)
• support queryable projection mappings for derived type mappings (#412) (98a44a0)
• throw NullReferenceException for element access (#414) (78b2736)
• update IsImmutable to identify valid types on framework (#388) (b9a1f19)
• use ToList/ToArray to clone enumerable interfaces (#432) (f947cbf)

Features

• accept destination type as mapping method parameter (#398) (b17f666)
• add AllowNullPropertyAssignment option to disable assigning null values to nullable properties (#584) (0ccc734)
• add IgnoreObsoleteMembers (#392) (def10cf)
• add option to ignore enum values (#536) (3e2a2c8)
• add support for Span and Memory mappings (#425) (ac254ca)
• add support for user defined generic mapping methods (#461) (ddbc516)
• add tuple mapping support (#467) (208e8b4)
• Added MapEnumValueAttribute and support for explicit named enum value mapping (#468) (64e6c9d)
• added source generator benchmark (#419) (b6836b2)
• cache attribute symbols (#478) (fbe8ba1)
• diagnostic if an incompatible language version is used (#566) (38332a6)
• directly assign System.Uri and System.Version when deep cloning (#440) (c845b43)
• explicit enum mappings for byValue enum mappings (#489) (029dae2)
• ISet and IReadOnlySet support (#502) (9550ae4)
• Map all accessible members by default (#597) (#612) (3d2ed69)
• optimize BuildMemberPathCandidates performance (#480) (34b926b)
• optimize enum ByValueCheckDefined strategy and support flags (#510) (602c79d)
• support derived type configuration inheritance (#509) (66124f8)
• support derived type mappings (#366) (11995f0)
• Support enum mapping is defined check and fallback values (#491) (f0065c8)
• support for strict enum mappings (#356) (b13d364)

BREAKING CHANGES

• mark all attributes as sealed
• Include accessible internal and private members in mappings
• Obsolete MapperIgnoreAttribute is removed and needs to be replaced with MapperIgnoreTargetAttribute

An upgrade guide is available here.