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Use <code>Optional#orElseThrow</code> instead of <code>Optional#get</code>

enhancement

Status: Open.

#3976 In mapstruct/mapstruct;

· filiphr opened on Jan 27, 2026

Update tycho-compiler-jdt to 4.0.13 version

build

Status: Open.

Task

#3887 In mapstruct/mapstruct;

· filiphr opened on Jun 14, 2025

Investigate using JUnit JUpter InvocationInterceptor for our testing infrastructure

test

Status: Open.

#3961 In mapstruct/mapstruct;

· filiphr opened on Dec 4, 2025

Extremely slow compilation using mapstruct 1.5.5 with Java 17

Status: Open.

#3435 In mapstruct/mapstruct;

· sween5 opened on Nov 8, 2023

Support for NonNull / Nullable annotations

enhancement

for:team-discussion

Status: Open.

#1243 In mapstruct/mapstruct;

· PCasafont opened on Jul 9, 2017

Allow conditions/filters mapping iterables and maps

feature

Status: Open.

#1610 In mapstruct/mapstruct;

· chris922 opened on Sep 20, 2018

Field with default visibility not found

enhancement

Status: Open.

#1689 In mapstruct/mapstruct;

· gunnarmorling opened on Jan 18, 2019

Lombok's @Wither is affecting MapStruct

enhancement

Status: Open.

#1740 In mapstruct/mapstruct;

· apapenko opened on Mar 1, 2019

Immutables integration not working correctly with custom Value.Style typeImmutable

enhancement

Status: Open.

#1924 In mapstruct/mapstruct;

· ThLeu opened on Sep 24, 2019

ImmutablesBuilderProvider doesn't support inner classes

enhancement

Status: Open.

#2198 In mapstruct/mapstruct;

· massfords opened on Sep 9, 2020

Lombok @Value/@Builder mapping fails when source/target has nested properties

bug

Status: Open.

#2348 In mapstruct/mapstruct;

· dan-lind opened on Jan 30, 2021

Exception: “enum” does not have an accessible constructor

bug

Status: Open.

#2421 In mapstruct/mapstruct;

· khodabandelu opened on Apr 19, 2021

Split Generated Source into assertion for fixtures and checking the generated code

test

Status: Open.

#2427 In mapstruct/mapstruct;

· filiphr opened on Apr 25, 2021

Refactor the way we use ConstructorFragment and SupportingMethod

refactoring

Status: Open.

#2449 In mapstruct/mapstruct;

· filiphr opened on May 16, 2021

Feature request: Support KSP

kotlin

Status: Open.

#2522 In mapstruct/mapstruct;

· Maksim-Novikov opened on Jul 20, 2021

Ambiguous mapping methods found for mapping property error on @Qualifier with the same method type

bug

Status: Open.

#2549 In mapstruct/mapstruct;

· learning-new-things opened on Aug 14, 2021

Mark mapping arguments as plain parameters (instead of treating them as bean)

feature

Status: Open.

#2559 In mapstruct/mapstruct;

· incaseoftrouble opened on Aug 24, 2021

Improve / fix ignoreUnmappedSourceProperties handling of multiple arguments

enhancement

Status: Open.

#2562 In mapstruct/mapstruct;

· incaseoftrouble opened on Aug 24, 2021

Hierarchical object to flat object mappings. Can't define explicit custom mapping of nested object

for:team-discussion

Status: Open.

#2581 In mapstruct/mapstruct;

· linarkou opened on Sep 14, 2021

Null items in collections mapping

enhancement

Status: Open.

#2684 In mapstruct/mapstruct;

· Chuckame opened on Dec 10, 2021

How to map objects when source object has custom method for Getter?

Status: Open.

#2753 In mapstruct/mapstruct;

· wonsuc opened on Feb 15, 2022

Possible to disable Map to Bean auto mapping for backwards compatibility?

bug

Status: Open.

#2764 In mapstruct/mapstruct;

· rlei opened on Feb 22, 2022

nullValueIterableMappingStrategy in 1.5.0.RC1 not working properly

for:team-discussion

Status: Open.

#2843 In mapstruct/mapstruct;

· marialenak opened on May 6, 2022

Rework the implementation of nested target mappings

enhancement

Status: Open.

#2941 In mapstruct/mapstruct;

· filiphr opened on Jul 25, 2022

Allow @MappingTarget to be used with @SubclassMapping

enhancement

Status: Open.

#2946 In mapstruct/mapstruct;

· heanssgen-troy opened on Jul 29, 2022