TestKit integration, CI/CD speed boosts, connection-pooling improvements, and the removal of legacy HTTP support.

What’s new: TestKit integration, CI/CD speed boosts, connection-pooling improvements, and the removal of legacy HTTP support.

Re-enabled Features

• Full TestKit backend for running Neo4j integration tests in CI.

Improvements
CI/CD optimizations

• Enabled Docker image caching and Composer caching across workflows.
• Refactored GitHub Actions to speed up builds (docker build cache, service-restart logic, down-flags, etc.).
• Flexible logging tests to support Neo4j 4.x & 5.x.

Connection pooling

• Simplify acquiring and reusing Bolt connections for better performance and resource usage.

Bug Fixes

• Uncovered by testkit: Resolved failures in ResultSummary, authentication, bookmarks, authentication and timeout management.
• Neo4jConnectionPool: Fixed advertised address and routing logic.

⚠️ Breaking Changes

• HTTP support removed. Use Neo4j Query API instead.

📚 Miscellaneous

• Minor typo fixes
• object-model cleanup

3.2.0: Update bolt, added Logger and improved error handling

Features

• Integrated PSR LoggerInterface for enhanced logging.
• Improved error handling in connection and connectivity verification.
• Updated to Bolt version 7.1.4.
• Addressed PHP 8.4 deprecations.

CI/Testing

• Updated test environments to PHP 8.3.

3.1.3: fix critical bug and optimise ci

• optimised ci to use docker compose instead of github service containers
• fix critical bug #232 where a single backslash crashes the driver

3.1.2 - Hotfix

What's Changed

• fix: Double results when iterating after deserialization by @exaby73 in #221
• fix: Protocol violations by @exaby73 in #219

Full Changelog: 3.1.1...3.1.2

3.1.1 - Added Bolt 5.1 and 5.2 and some bug fixes

• Added support for Bolt 5.1 and 5.2
• Fixed a bug with SSL hostname being incorrect
• Fixed a bug where the cache limit goes over the max float value in PHP

3.1.0 - Upgraded Bolt library and fixed CI

• Fix CI
• Upgraded Bolt version to v7
• Fixed bug in address name resolution
• Improved usage of Bolt messages
• Upgrade PHP to 8.1
• Improve extension requirements in composer.json

Small bugfixes

Fixed some typing issues
Fixed correct passing of driver configuration in client and client builder

Updated Deprecated dependencies

• updated psalm and introduced a baseline
• removed deprecated dependencies in #183

Added hasDriver method in client and updated documentation

• Added a hasDriver method to query the client of an existence of a driver with a given alias
• Improved CI
• Updated documentation

Simplified Config and Performance Optimisations

• Simplified configuration
• Added functionality for binding transactions and sessions to optimise performance