Couchbase SDKs have recently introduced transaction support, which has been integrated into Spring Data Couchbase starting from version 5.0.0-M5, allowing developers to manage transactions using the @Transactional annotation. This integration is demonstrated through a spring-data-testapp that utilizes a local Couchbase server's travel-sample bucket for testing. The configuration involves overriding beans in AbstractCouchbaseConfiguration and setting specific transaction parameters, such as durability level, within a single-node cluster. The process includes defining service objects with proxy support for transaction management and executing methods within transactions, as seen in the transferGates method, which transfers resources between entities. Transactions are managed by the CouchbaseCallbackTransactionManager, which handles retries in case of failures. While the new transaction support works smoothly with a single bucket, there remain challenges with its implementation across multiple buckets due to connection constraints. The project is available in the boot-3 branch and requires specific versions of spring-boot-starter-data-couchbase to function correctly.