Issues

• Annotation-driven null-guard strategy for user-defined conversions (with a configurable override)

  enhancement
  riok/mapperly#2317 · Filter by author fdipuma opened on Jun 12, 2026
  2

• Mapping a nested list onto a readonly list can lead to nullreference exception when the source list is null.

  bug
  riok/mapperly#2303 · Filter by author wieke-osw opened on Jun 2, 2026

• Support flattening collections

  enhancement
  riok/mapperly#2253 · Filter by author mhartmair-cubido opened on Apr 22, 2026
  2

• Allow mapper configurations on expression & queryable projection mappings

  enhancement
  riok/mapperly#2252 · Filter by author mhartmair-cubido opened on Apr 22, 2026
  3

• Bug Report: Mapperly generates incomplete mapping for List<T> derived types

  bug
  riok/mapperly#2152 · Filter by author gkardava opened on Feb 16, 2026

• Give the possibility to clone objects without UseDeepCloning

  enhancement
  riok/mapperly#2113 · Filter by author samusaran opened on Jan 13, 2026
  9

• Allow configurable "Umlaut" property name matching

  enhancement
  riok/mapperly#2039 · Filter by author Chimaine opened on Dec 1, 2025
  4

• Automatically include base class mapping configurations

  enhancement
  Feature

  riok/mapperly#2000 · Filter by author latonz opened on Oct 22, 2025
  2

• Simple way to exclude all properties of source or target class except explicitly mapped

  enhancement
  riok/mapperly#1981 · Filter by author vin-igor opened on Oct 13, 2025
  2

• Merge multiple source into one destination

  enhancement
  riok/mapperly#1978 · Filter by author Chaosflo opened on Oct 9, 2025
  1

• Report a diagnostic if the source and target types are equal but the method has MapProperty attributes and deep cloning is disabled

  enhancement
  riok/mapperly#1952 · Filter by author Shiko1st opened on Sep 17, 2025
  1

• RMG089 should not be reported when mapping from types with disabled nullability

  bug
  riok/mapperly#1942 · Filter by author Dreamescaper opened on Sep 8, 2025
  1

• Extract exception throwing to throw helper

  enhancement
  riok/mapperly#1827 · Filter by author jnyrup opened on May 4, 2025
  4

  

• Elide redundant null checks

  enhancement
  riok/mapperly#1826 · Filter by author jnyrup opened on May 4, 2025
  1

• Inheriting Attributes from an abstract method

  enhancement
  riok/mapperly#1780 · Filter by author gajo357 opened on Apr 3, 2025
  3

• IQueryable ProjectTo Recursion | Stackoverflow Exception after adding a recursive property

  enhancement
  riok/mapperly#1751 · Filter by author joel-dev-qc opened on Mar 11, 2025
  2

• Support mapping nested object properties directly from mapping function parameters

  enhancement
  riok/mapperly#1719 · Filter by author TeckTn opened on Feb 12, 2025
  1

• Allow additional MapPropertyAttributes on cast mappings

  enhancement
  riok/mapperly#1684 · Filter by author brutaldev opened on Jan 15, 2025
  2

• Derived types: Type descriminator support

  enhancement
  riok/mapperly#1652 · Filter by author TonEnfer opened on Dec 23, 2024
  4

• The navigation properties of IQueryable ProjectTo do not require null checks.

  enhancement
  riok/mapperly#1651 · Filter by author ldqk opened on Dec 21, 2024
  3

• Increased support for XML/WSDL generated model mappings

  enhancement
  riok/mapperly#1636 · Filter by author jcbExp opened on Dec 12, 2024
  2

• Add mapping Source Method Call To Target Property

  enhancement
  riok/mapperly#1617 · Filter by author TonEnfer opened on Dec 1, 2024
  3

• Improve null handling

  bug
  riok/mapperly#1614 · Filter by author latonz opened on Nov 27, 2024
  4

  

• Invalid mapping for nullable arrays

  bug
  riok/mapperly#1611 · Filter by author TonEnfer opened on Nov 26, 2024
  1

• Support mapping from a DTO to an object's factory create method

  enhancement
  riok/mapperly#1502 · Filter by author skuirrels opened on Sep 21, 2024
  1