2.0 M1

⭐ New Features

• Revamp event publication lifecycle for JDBC #1321
• Support to verify application module structure on startup #1287
• Propagate named interface assignments of types to return and parameter types of methods declared #1264

💡 Improvements

• Resolve JUnit warnings regarding nested test classes #1326
• Update version compatibility matrix in reference docs #1289
• Constrain access to internally used methods of ApplicationModuleSource #1283
• Expose additional application module metadata in application-modules.json #1276
• Reflection metadata missing in JSONPath lookup for application module identifiers on GraalVM #1254
• Prevent application module misconfiguration due to invalid additional packages #1251
• Unnecessary context bootstrap triggered for application module tests due to overly constrained equals(…) and hashCode() in ModuleTypeExcludeFilter #1216
• Migrate nullness verification to jSpecify #1192

🪲 Bugs

• Avoid ConcurrentModificationException in PackageName #1319
• Potential stack overflow when looking up a module's dependencies if it's part of a cycle #1299
• Potential ConcurrentModificationException when running @ApplicationModuleTest tests in parallel #1295
• Remove reference to JGraphT from reference documentation #1288
• ApplicationModules.toString() should list *all* dependencies marking bootstrap dependencies #1285
• Named interfaces leaking from submodules into parent ones #1279
• Inconsistent visibility of NamedInterface.of(String name, Classes classes) #1272
• Exception during file creation from APT module #1263
• Incompatible path handling for KAPT with Maven #1209

🔨 Dependency Upgrades

• Upgrade to Micrometer Tracing 1.6 M1 #1318, #1221
• Upgrade to Testcontainers 1.21.3 #1317, #1243
• Upgrade to Cute 1.8.0 #1282
• Upgrade to APTK 0.30.2 #1281
• Update examples to jMolecules 2023.3.2 #1253
• Upgrade to jMolecules 2023.3.2 #1252, #1210
• Upgrade to Flapdoodle MongoDB 4.20.0 #1244
• Upgrade to Structurizr 4.1.0 #1242
• Upgrade to jGit 7.3.0.202506031305-r #1241, #1232
• Upgrade to MongoDB 5.5.1 #1231
• Upgrade to ArchUnit 1.4.1 #1230
• Upgrade to Spring Boot 4 M1 #1191
• Upgrade to Spring Framework 7 M7 #1190, #1240

1.4.2

💡 Improvements

• Update version compatibility matrix in reference docs #1290
• Expose additional application module metadata in application-modules.json #1277
• Unnecessary context bootstrap triggered for application module tests due to overly constrained equals(…) and hashCode() in ModuleTypeExcludeFilter #1261

🪲 Bugs

• Potential ConcurrentModificationException when running @ApplicationModuleTest tests in parallel #1302
• Potential stack overflow when looking up a module's dependencies if it's part of a cycle #1300
• ApplicationModules.toString() should list *all* dependencies marking bootstrap dependencies #1286
• Exception during file creation from APT module #1284
• Named interfaces leaking from submodules into parent ones #1280

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.5.4 #1320
• Upgrade jMolecules to 2023.2.2 in examples #1315
• Upgrade to Testcontainers 1.21.3 #1314
• Upgrade to Micrometer 1.15.2 #1313
• Upgrade to Spring Framework 6.2.9 #1308
• Upgrade to Micrometer Tracing 1.5.2 #1307
• Upgrade to jMolecules 2023.3.2 #1306

1.3.8

💡 Improvements

• Unnecessary context bootstrap triggered for application module tests due to overly constrained equals(…) and hashCode() in ModuleTypeExcludeFilter #1262

🪲 Bugs

• Potential ConcurrentModificationException when running @ApplicationModuleTest tests in parallel #1303
• Potential stack overflow when looking up a module's dependencies if it's part of a cycle #1301

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.4.8 #1305
• Upgrade to Spring Framework 6.2.9 #1304

1.4.1

💡 Improvements

• Reflection metadata missing in JSONPath lookup for application module identifiers on GraalVM #1250
• Prevent application module misconfiguration due to invalid additional packages #1247

🪲 Bugs

• Incompatible path handling for KAPT with Maven #1255
• Fix automatic module name of Moments artifact #1220

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.5.2 #1257
• Upgrade jGit to 7.0.1.202505221510-r #1236
• Upgrade Spring Framework to 6.2.8 #1235
• Upgrade ArchUnit to 1.4.1 #1233
• Upgrade Micrometer Tracing to 1.5.1 #1222

1.3.7

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.4.7 #1256
• Upgrade jGit to 7.0.1.202505221510-r #1239
• Upgrade ArchUnit to 1.3.2 #1238
• Upgrade Spring Framework to 6.2.8 #1237

1.4.0

⭐ New Features

• Support for bean instances located in test sources for @ApplicationModuleTest #202
• Automatically create counters for cross-module application events #1068
• Provide abstraction to access ApplicationModuleIdentifiers in order of module dependency #1066
• Avoid the bootstrap of an ApplicationModules instance to execute ApplicationModuleInitializers #1065
• Documenter should automatically write application module metadata #1063
• Application metadata JSON should list ApplicationModuleInitializer beans #1062
• Avoid dependency on JGraphT #1060
• Migrate to FinishedSpan.localServiceName(…) #935
• Remove AWS integration in favor of Spring Cloud AWS port #1024
• Allow detecting NamedInterfaces programmatically #1009
• Move to Micrometer's Observations API #928

💡 Improvements

• Remove deprecated support for Spring AutoRestDocs for Javadoc extraction #1193^*
• Deprecate @CheckReturnValue in favor of the Spring Framework variant #1189^*
• Support to disable automatic additional verifications executed by ApplicationModules.verify() #1185^*
• Improve rendering of tree structures in reference documentation #1171
• Removed deprecated FormatableType #1153
• ApplicationModules should expose root packages #1152
• ApplicationModule should expose internal types #1150
• Module observability listener performance issue on publishEvent #1149
• Performance problem with event publication lookup #1146
• State change detection for Scenarios should only accept non-empty collections by default #1131
• Event externalization bootstrap should log which event types it's configured to externalize. #1130
• Align automatic module names with project portfolio #1122
• Register AssertablePublishedEvents in test ApplicationContext if AssertJ is on the classpath #1110
• ModuleTestExecution should use ApplicationModulesFactory to create ApplicationModules instance #1090
• Set up DCO infrastructure #1087
• Move AOT processor generating application module metadata to runtime module #1064
• Structurally identical events cause the wrong publication to be selected for completion #1056
• Avoid dependency on Apache Commons Logging from spring-modulith-docs artifact #1055
• ModulithMetadata.of(String) should pick up classes annotated with @Modulithic in the given package #1015
• Allow filtering Violations #995
• Allow registering skin parameters in generated PlantUML diagrams #983
• Provide a Spring Boot compatibility matrix #971
• Improve Application Module Canvas rendering #968
• Improve documentation when to add the Spring Modulith Core artifact in compile scope #943
• Controllers implementing interfaces not mapped when the observability module is used #933

🪲 Bugs

• FormattableType.getAbbreviatedTypeName(…) skips containing class for nested ones #1151
• @NamedInterface not detected on composed annotation #1139
• Fix Kotlin examples for module and named interfaces declarations and … #1138
• Severe performance regression in JavaPackage #1098
• Complete description for Neo4j index property #1084
• Application module identifier not picked up on package marker types #1052
• Resubmission of publications must not unregister in-progress publications in case of successful invocation #1051
• @ApplicationModuleTest in separate test files does not cache the ApplicationContext #1050
• ApplicationModuleSource picks up module identifier from nested modules #1042
• NamedInterfaces.Builder excludes all packages by default #1040
• JavaPackage.getSubPackages() does not include empty intermediate packages #1039
• ApplicationModuleInformation needs to be public #1038
• Proxy creation in observability support should use the original bean's classloader #1016
• IllegalArgumentException in AsciiDoc generation for Spring @EventListeners without parameters #1006
• Prevent compile time dependency of APT on docs artifact #984
• Asciidoctor.toInlineCode(String) does not handle local method references correctly #965
• Archiving JPA entity causes unnecessary need to set up archive table #964

🔨 Dependency Upgrades

• Upgrade Micrometer Tracing to 1.5.0 #1205^*, #1169, #1104, #1072, #1036
• Upgrade to Spring Boot 3.5 #1203, #1176, #1073, #1037
• Upgrade Spring Framework to 6.2.7 #1202, #1168, #1116, #1103, #1071, #1046
• Upgrade jMolecules to 2023.3.1 #1167, #1045
• Upgrade to ArchUnit 1.4 #1097
• Upgrade to APTK 0.29 #992
• Upgrade to Structurizr 3.1 #961

❤️ Contributors

Thank you to all the contributors who worked on this release:

@Alexander-Miller @ciberkleid @marcingrzejszczak @lukasdo @dtsaryov @sangjun121

^* – Added between RC1 and GA.

1.3.6

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.4.6 #1201
• Upgrade Spring Framework to 6.2.7 #1200

1.2.13

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.3.12 #1199
• Upgrade Spring Framework to 6.1.20 #1198

1.4 RC1

💡 Improvements

• Improve rendering of tree structures in reference documentation #1171
• Removed deprecated FormatableType #1153
• ApplicationModules should expose root packages #1152
• ApplicationModule should expose internal types #1150
• Module observability listener performance issue on publishEvent #1149
• Performance problem with event publication lookup #1146
• State change detection for Scenarios should only accept non-empty collections by default #1131
• Event externalization bootstrap should log which event types it's configured to externalize. #1130
• Align automatic module names with project portfolio #1122

🪲 Bugs

• FormattableType.getAbbreviatedTypeName(…) skips containing class for nested ones #1151
• @NamedInterface not detected on composed annotation #1139
• Fix Kotlin examples for module and named interfaces declarations and … #1138

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.5 RC1 #1176
• Upgrade to Micrometer Tracing 1.5 RC1 #1169
• Upgrade Spring Framework to 6.2.6 #1168
• Upgrade jMolecules to 2023.3.1 #1167

❤️ Contributors

Thank you to all the contributors who worked on this release:

@dtsaryov @sangjun121

1.3.5

💡 Improvements

• Improve rendering of tree structures in reference documentation #1173
• Performance problem with event publication lookup #1160
• Event externalization bootstrap should log which event types it's configured to externalize. #1136

🪲 Bugs

• FormattableType.getAbbreviatedTypeName(…) skips containing class for nested ones #1161
• @NamedInterface not detected on composed annotation #1142
• Fix Kotlin examples for module and named interfaces declarations and … #1140

🔨 Dependency Upgrades

• Upgrade to Spring Boot 3.4.5 #1175
• Upgrade Spring Framework to 6.2.6 #1165
• Upgrade jMolecules to 2023.2.2 #1164

❤️ Contributors

Thank you to all the contributors who worked on this release:

@sangjun121