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Update migration for Spring Boot 4 #2455

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Update migration for Spring Boot 4 #2455

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78e68d6
Update migration for Spring Boot 4
StefanHenke Mar 16, 2026
dfecbdd
Update migration.md
StefanHenke Mar 16, 2026
ce71251
Update migration.md
StefanHenke Mar 19, 2026
6053cb5
Update migration details from CAP Java 4.10 to 5.0
StefanHenke Mar 19, 2026
4e3067d
Update migration notes for Spring Boot 4 compatibility
StefanHenke Mar 23, 2026
db69514
Merge branch 'main' into StefanHenke-patch-2
rjayasinghe Mar 23, 2026
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8 changes: 5 additions & 3 deletions java/migration.md
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Expand Up @@ -53,16 +53,18 @@ Here, the *migration* `com.sap.cds.services.migrations.MigrateStatements` from C

### Spring Boot 4

CAP Java 5 uses Spring Boot 4 as underlying framework. Consult the [Spring Boot 4.0 Migration Guide](https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-4.0-Migration-Guide) for changes between Spring Boot 3.5 and Spring Boot 4.0.
CAP Java 5 uses Spring Boot 4 and Spring Security 7 as underlying framework. Unless a CAP Java application is not using native Spring APIs, Spring Boot 4 incompatibilities should only affect renaming of maven dependencies and smaller changes in test classes (e.g. changed package name of `AutoConfigureMockMvc`). Consult the [Spring Boot 4.0 Migration Guide](https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-4.0-Migration-Guide) for changes between Spring Boot 3.5 and Spring Boot 4.0. For changes between Spring Security 6.5 and 7 refer to the [Spring Security 7 Migration Guide](https://docs.spring.io/spring-security/reference/migration/).

In any case, it is required to upgrade the [BTP Security Library](https://github.com/SAP/cloud-security-services-integration-library) to version > 4.0.0.

### Minimum Versions

CAP Java 4.0 increased some minimum required versions:
CAP Java 5.0 increased some minimum required versions:

| Dependency | Minimum Version |
| --- | --- |
| Spring Boot | 4.0 |
| XSUAA | TBD |
| XSUAA (BTP Security Library) | 4.0.0 |

## CAP Java 3.10 to CAP Java 4.0 { #three-to-four }

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