This is the first milestone of Spring Batch 5.0. This milestone contains a number of breaking changes. Please refer to the migration guide for more details about upgrade instructions.

🚀 Enhancements

• Remove the unconditional exposure of the transaction manager as a bean #3981
• SQL Server Auto-generated Schema - TEXT data type deprecated: #864
• Deprecate support classes implementing interfaces with default methods #3925
• Add default methods in interfaces #3924
• JobParameter must not accept null values #3913
• FlatFileItemWriter now uses charset to determine default encoding #3910
• FlatFileItemReader and FlatFileItemWriter don't have the same default encoding #1154
• Avoid string conversion in ExecutionContextSerializer tests #3986
• Make ScopeConfiguration publicly accessible #3958
• In JOB_PARAMS table DATE_VAL column is updated incorrectly Like "1/1/1970 1:00:00.000000 AM" instead to the current date #1577
• Use default methods in TestExecutionListener #3909
• refactor: simplify boolean expression #3945
• Remove Reflection from StepScopeTestExecutionListener #3908
• Replace deprecated TransactionSynchronizationAdapter #3874
• Remove double brace initialization #3868
• Fix some raw types #3803
• Don't call wrapper constructors directly #3800
• Replace Assert.assertThat with MatcherAssert.assertThat #3804
• Replace #initMocks with MockitoRule #3805
• Refactor deprecated extractDatabaseMetaData #3873
• Simplify GET_LAST_STEP_EXECUTION #3997
• Make countStepExecutions access batch_job_execution only once #3876
• Adjust h2 schema to work with v2.0.x #4043
• Adjust H2PagingQueryProvider to work with v2.x #4047
• Require spring-jdbc in core module #4048
• Rename setJobIncrementer to setJobInstanceIncrementer in JdbcJobInstanceDao #3929

⭐ Features

• Upgrade minimum Java version to 17 #3994
• Add setter with a strongly typed parameter for the transaction isolation level type #4032
• Add getDataSource method to DefaultBatchConfigurer #3872

🐞 Bug fixes

• StepExecution counts integer overflow #3650
• Deadlock accessing creating a job on sqlserver when multiple jobs start at once #1448
• Oracle Error on creating new Batch Job #1127
• Oracle clustered environment with cached sequences can lead to Spring Batch thinking new job already exists #2000
• Batch sequences generate unordered ids, which results in unordered instances returned by JobExplorer #1422
• DefaultBatchConfigurer warns about the lack of TransactionManager provided, yet offers no way to supply it #763
• No pom.xml for published artifacts for 5.0.0-SNAPSHOT #4028
• Map.of() cannot be deserialized #4036

🔨 Tasks

• Favour jakarta over javax components #3656
• Upgrade Spring dependencies to major versions #4027
• Deprecate support for Neo4j #3956
• Update maven wrapper version to 3.8.2 #3978
• Clean up schema versions in XML files #913
• Remove deprecated APIs #3836
• Remove usage of deprecated APIs #3838
• Remove SQLFire support #3839
• Remove JSR-352 implementation #3894
• Updated graceful shutdown sample by removing deprecated code #3916
• Replaces deprecated interfaces #3971
• Remove some deprecated APIs from tests #3962
• CI builds against various database platforms #3092
• OptimisticLockingFailureTests.testAsyncStopOfStartingJob fails intermittently #1121
• Intermittent failure in ConcurrentTransactionTests on windows #3851
• Intermittent failure in AsynchronousTests on windows #3852
• FaultTolerantExceptionClassesTests testNoRollbackTaskletRollbackException fails intermittently #1117
• Rename master branch to main #3879
• Update build process to use Maven #3820

🔨 Dependency Upgrades

• Upgrade to Spring Framework 6.0.0-M2
• Upgrade to Spring Data 2022.0.0-M1
• Upgrade to Spring Integration 6.0.0-M1
• Upgrade to Spring AMQP 3.0.0-M1
• Upgrade to Spring for Apache Kafka 3.0.0-M1
• Upgrade to Micrometer 2.0.0-M1

📔 Documentation

• Editing of the job edit changes #3918
• Add EPUB output in documentation #3920
• Restore the dynamic ToC #4019

❤️ Contributors

We'd like to thank all contributors who helped in making this release possible!