Sitelet https://github.com/mapstruct/mapstruct/issues

All issues

Sponsoring MapStruct
#2340 · tiller opened on Jan 22, 2021
5

Collections no longer copied if marked non-null

#4118

· gbodenSolum opened

on Aug 25, 2026

Optional<Map> / Optional<Collection> source property generates unguarded Optional#get, throwing NoSuchElementException when empty

#4111

· surecloud-jleite opened

on Aug 14, 2026

Be able to generate the nullable mapping from the NotNull mapping

#4106

· pkernevez opened

on Aug 4, 2026

Strategy to check at runtime the null value with JSpecifiy

#4105

· pkernevez opened

on Aug 4, 2026

Do not return null when the return value is kown to be @Notnull

#4104

· pkernevez opened

on Aug 4, 2026

Silent default mapping on conflicting ignore properties flags

#4094

· Eliiona opened

on Jul 14, 2026

JSpecify: False positive error for nullable source with nullable-param non-null-return method

#4086

· RaniAgus opened

on Jul 4, 2026

·

Java21 SequencedCollection::getFirst support

#4082

· jbidet-adis opened

on Jun 29, 2026

JSpecify: Missing compile error when reused method returns `@Nullable` to `@NonNull` constructor

#4081

· RaniAgus opened

on Jun 28, 2026

·

JSpecify: Missing null check before reusing non-nullable method

#4077

· RaniAgus opened

on Jun 28, 2026

·

JSpecify: Propagate nullability annotations to mapper implementation

#4076

· RaniAgus opened

on Jun 27, 2026

·

Parallel source and target traversal with `@ParallelSource`

#4066

· wernerdegroot opened

on Jun 6, 2026