Connector/R2DBC 1.4.1 Release Notes

Connector/R2DBC 1.4.1 is a Stable (GA) release of MariaDB Connector/R2DBC, released on 2026-06-15

Download Changlog Connector/R2DBC Overview

Overview

MariaDB Connector/R2DBC is a non-blocking interface between Java applications and MariaDB Server. MariaDB Connector/R2DBC enables the development of Java 8+ applications for MariaDB database products.

Release date: 16 Jun 2026

MariaDB Connector/R2DBC 1.4.1 is a Stable (GA) release.

Notable Changes

• R2DBC-116 Add GraalVM native-image configuration and CI coverage

• Update dependencies (Project Reactor 2025.0.6, Netty 4.2.15.Final)

Bugs Fixed

• R2DBC-115 Clear-text authentication plugins (PAM, mysql_clear_password) must require a secure connection (report by fg0x0)

• R2DBC-117 Cap BigDecimal/BigInteger string parsing length to prevent CPU exhaustion if MitM (report by tonghuaroot)

• R2DBC-119 Fail closed when a classpath: SSL certificate is missing

• R2DBC-120 Stored-procedure CALL detection wrongly matched any query containing "call" (thanks to yunhobb)

• R2DBC-121 caching_sha2_password/sha256_password login fails with passwords of 20 characters or more (report by 4UjwXc)

• R2DBC-124 Ensure a non-UTF8 charset cannot be used for protocol exchanges (report by fg0x0)

• R2DBC-122 Fix SQL parser to correctly handle '--' in expressions

• R2DBC-123 Pin Locale.ROOT on locale-sensitive wire-format codec sites (thanks to jmestwa-coder)

Changelog

For a complete list of changes made in this release, with links to detailed information on each push, see the changelog.

Resources

• Download

• Documentation

• Install MariaDB Connector/R2DBC

• Install MariaDB Connector/R2DBC with Spring Data

• Report Issues

• Source code

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