The most recent release of MariaDB Connector/R2DBC is: 1.4.1
Download Connector/R2DBC 1.4.1
{% endhint %} Download Release Notes Changlog Connector/R2DBC Overview **Release date:** 17 Jun 2026 For the highlights of this release, see the [release notes](/docs/release-notes/connectors/r2dbc/1.2.3.md). The revision number links will take you to the revision's page on GitHub. On [GitHub](https://github.com/mariadb-corporation/mariadb-connector-r2dbc) you can view more\ details of the revision and view diffs of the code modified in that revision. * [Revision #091d630](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/091d630) \[misc] bump 1.2.3 * [Revision #093708d](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/093708d) \[misc] fix flaky PrepareResultSetTest.cacheReuse under load * [Revision #e413a36](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/e413a36) \[misc] test correction about pamOtherPwd sanitization * [Revision #1066fb2](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/1066fb2) \[misc] code style correction * [Revision #0b95bae](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/0b95bae) \[[R2DBC-121](https://jira.mariadb.org/browse/R2DBC-121)] caching\_sha2\_password/sha256\_password login fails with passwords ≥ 20 characters #84 * [Revision #a3e9a11](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/a3e9a11) \[[R2DBC-120](https://jira.mariadb.org/browse/R2DBC-120)] Stored-procedure CALL detection wrongly matched any query containing "call" * [Revision #1d0e651](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/1d0e651) improve stored procedure call detection with robust SQL scanning * [Revision #dac6ee3](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/dac6ee3) fix incorrect stored procedure call detection in createStatement * [Revision #0f298ad](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/0f298ad) \[misc] mask pamOtherPwd in MariadbConnectionConfiguration.toString() * [Revision #ee5d5ac](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/ee5d5ac) \[misc] reject malformed auth-switch seed and column-definition packets cleanly * [Revision #c515e75](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/c515e75) \[misc] bound row field length before allocating to avoid OOM * [Revision #394e4e4](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/394e4e4) \[[R2DBC-119](https://jira.mariadb.org/browse/R2DBC-119)] fail closed when a classpath: SSL certificate is missing * [Revision #4a3a6a8](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/4a3a6a8) \[misc] update license header years * [Revision #0c21757](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/0c21757) \[misc] code style correction * [Revision #05d68c7](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/05d68c7) \[[R2DBC-115](https://jira.mariadb.org/browse/R2DBC-115)] clear-text authentication plugins require a secure connection * [Revision #1867d9a](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/1867d9a) \[misc] make temporal parameter tests version-aware for MySQL 9.7 * [Revision #f3bca8a](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/f3bca8a) \[misc] pin Locale.ROOT on locale-sensitive wire-format codec sites * [Revision #2c0c979](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/2c0c979) \[[R2DBC-116](https://jira.mariadb.org/browse/R2DBC-116)] CI: Refactor native image test configuration to use environment variables for database connection settings * [Revision #8ae3deb](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/8ae3deb) \[[R2DBC-117](https://jira.mariadb.org/browse/R2DBC-117)] Cap numeric-string length before BigDecimal/BigInteger parsing to prevent CPU-exhaustion DoS * [Revision #2dd21ec](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/2dd21ec) \[[R2DBC-116](https://jira.mariadb.org/browse/R2DBC-116)] add GraalVM native-image configuration and CI testing * [Revision #f00dd70](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/f00dd70) \[misc] fix SQL parser to correctly handle '--' in expressions * [Revision #a0c8719](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/a0c8719) \[misc] ensure connection error wrapper are correctly set * [Revision #2e96d52](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/2e96d52) \[misc] bump CI dependencies to recent version * [Revision #e9b40ac](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/e9b40ac) \[misc] ensure non utf8 charset cannot be used for exchanges * [Revision #79e6fd7](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/79e6fd7) \[[R2DBC-114](https://jira.mariadb.org/browse/R2DBC-114)] implement Wrapped interface to expose EventLoop scheduler for r2dbc-pool optimization * [Revision #c300a8c](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/c300a8c) \[misc] code style correction * [Revision #e62fcc4](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/e62fcc4) \[[R2DBC-113](https://jira.mariadb.org/browse/R2DBC-113)] support inline RSA public key for sha256\_password and caching\_sha2\_password authentication * [Revision #fc3aae2](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/fc3aae2) \[misc] refactor Sha256PluginTest to reduce code duplication in user creation statements * [Revision #52cc3bd](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/52cc3bd) \[misc] code style correction and test improvement for client abort scenario * [Revision #869fb6a](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/869fb6a) \[[R2DBC-112](https://jira.mariadb.org/browse/R2DBC-112)] test correction for CI * [Revision #a851b13](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/a851b13) \[[R2DBC-112](https://jira.mariadb.org/browse/R2DBC-112)] failed authentication when using `caching_sha2_password` with passwords longer than 18 characters * [Revision #6297991](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/6297991) \[misc] code style correction * [Revision #3745e9e](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/3745e9e) \[[R2DBC-111](https://jira.mariadb.org/browse/R2DBC-111)] potential hang when upstream subscription is cancelled before demand #89 * [Revision #9e7f603](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/9e7f603) Always release a lock of buf.readRetainedSlice in MariadbFrameDecoder to avoid 'LEAK: ByteBuf.release() was not called before it's garbage-collected' * [Revision #cbbb971](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/cbbb971) \[[R2DBC-109](https://jira.mariadb.org/browse/R2DBC-109)] Add fallbackToSystemTrustStore and fallbackToSystemKeyStore options * [Revision #f1cd414](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/f1cd414) \[misc] use system trust store if serverSslCert is not set * [Revision #3dff57b](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/3dff57b) Check MaxScale version * [Revision #f29ea99](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/f29ea99) \[misc] changing test for MariaDB 12.2 server changing timeout error message * [Revision #2ca4eec](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/2ca4eec) \[[R2DBC-108](https://jira.mariadb.org/browse/R2DBC-108)] Handle authentication plugin multi-exchange prefix (0x01) introduced in MDEV-37554 * [Revision #c413267](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/c413267) \[misc] update github action test * [Revision #a96cef5](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/a96cef5) \[misc] update github action test * [Revision #e2097d2](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/e2097d2) \[misc] use DOCKER\_LOGIN as user if secret available * [Revision #a84f6ea](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/a84f6ea) \[misc] correcting readme link * [Revision #6fb238b](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/6fb238b) \[TODO-5373] add github action CI * [Revision #2caf657](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/2caf657) \[TODO-5373] add github action CI * [Revision #dc98b4a](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/dc98b4a) \[misc] badge image correction * [Revision #00590e0](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/00590e0) \[misc] code style correction * [Revision #d207dd9](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/d207dd9) \[misc] update test for mysql 9 * [Revision #60ea636](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/60ea636) \[misc] code style correction * [Revision #6bf3098](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/6bf3098) \[misc] improve error text *This page is: Copyright © 2025 MariaDB. 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