chore(release): prepare for 1.6.0 release

- Update CHANGELOG.md: set version 1.6.0 and release date 2026-04-01
- Update README.md: bump version from 1.5.0 to 1.6.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ArtDu

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+## [1.6.0] - 2026-04-01
+
 ### BOM Module
 
 - Add `tarantool-java-sdk-bom` module providing centralized dependency management for all Tarantool Java SDK modules and their dependencies
@@ -18,6 +20,16 @@
 ### Spring-data
 - Add `tarantool-spring-data-35` module with support for Spring Boot 3.5.x and Spring Data 3.5 
 
+### Client
+- Add `TupleMapper` utility class for easy tuple-to-POJO mapping using field format
+- Update CRUD operations (select, insert, get) to propagate format metadata from `CrudResponse`
+- Add `Handlers` class with 4 lifecycle callbacks for request/response tracing:
+  - `onBeforeSend`: called before sending request
+  - `onSuccess`: called on successful response
+  - `onTimeout`: called when request times out
+  - `onIgnoredResponse`: called when response arrives after timeout
+- Handlers are configured at client level via `withHandlers()` builder method
+
 ### Dependencies
 - Updated dependencies:
   Compile:

README.md

@@ -17,7 +17,7 @@ You need to download and install the library according to the [instructions](INS
 <dependency>
     <groupId>io.tarantool</groupId>
     <artifactId>tarantool-client</artifactId>
-    <version>1.5.0</version>
+    <version>1.6.0</version>
 </dependency>
 ```