> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/connectors/r2dbc/changelogs/1.4.2.md).

# Connector/R2DBC 1.4.2 Changelog

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<p align="center">The most recent release of <a href="/spaces/CjGYMsT2MVP4nd3IyW2L/pages/lmhByeB79IW85WGFN3cF">MariaDB Connector/R2DBC</a> is: <a href="/pages/Ign8FZIuXb2rbUGIfT1v"><strong>1.4.2</strong></a></p>

<p align="center"><a href="https://mariadb.com/downloads/connectors/connectors-data-access/r2dbc-connector" class="button primary">Download Connector/R2DBC 1.4.2</a></p>
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<a href="https://mariadb.com/downloads/connectors/connectors-data-access/r2dbc-connector" class="button primary">Download</a> <a href="/pages/Ign8FZIuXb2rbUGIfT1v" class="button secondary">Release Notes</a> <a class="button secondary">Changelog</a> <a href="/spaces/CjGYMsT2MVP4nd3IyW2L/pages/6re7sVSZ3MuRkvHDK2b4" class="button secondary">Connector/R2DBC Overview</a>

**Release date:** 2 Sep 2026

For the highlights of this release, see the [release notes](/docs/release-notes/connectors/r2dbc/1.4.2.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 #7c44158](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/7c44158) \[misc] Connection.close() must not fail when QUIT cannot be sent
* [Revision #15328d5](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/15328d5) bump 1.4.2
* [Revision #46d5948](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/46d5948) \[misc] merge develop into master
* [Revision #05e440c](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/05e440c) \[[R2DBC-131](https://jira.mariadb.org/browse/R2DBC-131)] close connection when the server sends a response without command
* [Revision #8082adb](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/8082adb) \[[R2DBC-129](https://jira.mariadb.org/browse/R2DBC-129)] Bound server-given parsec PBKDF2 iteration factor by connectTimeout, and derive keys off the event loop
* [Revision #d61a2da](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/d61a2da) \[[R2DBC-131](https://jira.mariadb.org/browse/R2DBC-131)] close connection when the server sends a response without command
* [Revision #234419d](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/234419d) \[[R2DBC-128](https://jira.mariadb.org/browse/R2DBC-128)] Add maxAllowedPacket connection option (send/receive limit)
* [Revision #27c4ffc](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/27c4ffc) \[[R2DBC-127](https://jira.mariadb.org/browse/R2DBC-127)] Reject multipart (>16 MB) packets before authentication to prevent pre-auth OOM from a rogue server
* [Revision #89290ca](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/89290ca) \[misc] test code stability improvement
* [Revision #7f98a1d](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/7f98a1d) \[misc] add netty kqueue native transport for Apple Silicon (osx-aarch\_64)
* [Revision #b4b19a2](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/b4b19a2) \[[R2DBC-125](https://jira.mariadb.org/browse/R2DBC-125)] CI infer reliability correction
* [Revision #6d40d86](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/6d40d86) \[misc] google format version bump
* [Revision #065ec4c](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/065ec4c) \[misc] replace deprecated reactor.util.annotation.Nullable by org.jspecify.annotations.Nullable
* [Revision #c544597](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/c544597) \[[R2DBC-125](https://jira.mariadb.org/browse/R2DBC-125)] add infer to CI
* [Revision #734e986](https://github.com/mariadb-corporation/mariadb-connector-r2dbc/commit/734e986) \[misc] correcting possible NPE

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