Blog
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MariaDB Foundation Newsletter – September 2026
August belonged to transparency: MariaDB published its governance framework, and the first contribution statistics report in over a year put numbers on who actually builds the server. Meanwhile the Q3 maintenance releases arrived for all four supported LTS series, the first round without 10.6, and two new sponsors joined along the way. Here’s what happened.
Lead story
MariaDB Server publishes its governance framework
Open source begins with access to the code, but infrastructure that is expected to last for decades […]
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MariaDB at Percona Live Amsterdam 2026: Ecosystem, Plugins, Security, and Community
MariaDB is heading to Percona Live Amsterdam 2026! Join us for sessions on server plugins, protocol security and ecosystem building, hear independent MariaDB experiences, meet Percona’s new General Manager for MariaDB, and visit the MariaDB booth for demos and discussions with our engineers.
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MariaDB Server 12.3, 11.8, 11.4 and 10.11 – Q3 2026 Maintenance Releases, and Goodbye 10.6
MariaDB Server maintenance releases are here!
On August 24, we released updates for our four currently maintained Long Term Support series:
As usual, these maintenance releases include bug fixes, stability improvements, and ongoing work across MariaDB Server.
You can find the complete release notes and changelogs for each version:
MariaDB 12.3.3
MariaDB 11.8.9
MariaDB 11.4.13
MariaDB 10.11.19
If you are running one of these MariaDB Server versions, we recommend reviewing the changelog and planning your upgrade.
Wait… where is MariaDB […]
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MariaDB Contribution Statistics, January-June 2026
After a long break, I will be taking over reporting on the contributions. FYI, the last one was done in Jan 2025.
Server Contributions
Just like last time, I’m going to start with a breakdown of all the organizations who have contributed to MariaDB Server during the above period.
A big thank you to MariaDB Plc!
The interesting entry however is the “independent” section representing the community at large! More contributors than any other entity! Commit number is small, but […]
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Seravo becomes a Silver Sponsor of MariaDB Foundation
MariaDB Foundation is delighted to welcome Seravo as a Silver Sponsor, turning a long-standing relationship in the open-source ecosystem into formal support for the future of MariaDB.
Seravo is a Finland-based specialist in premium hosting and upkeep for WordPress and WooCommerce. Open source sits at the heart of its technology stack and its company culture, and MariaDB has been part of that story for many years.
MariaDB behind the WordPress ecosystem
For hosting providers, databases are not an abstract technology […]
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Extending MariaDB with Native Aggregate Plugins: Laying the Groundwork for HyperLogLog
MariaDB already allows developers to add new Pluggable Data Types and scalar Plugin Functions. One missing piece has been Pluggable Aggregate Functions operating on PDTs. That matters for functionality such as HyperLogLog, where an extension needs to aggregate values into a custom statistical sketch while preserving its native SQL type.
MDEV-40672 closes that architectural gap. Aggregate functions can now participate in MariaDB’s native aggregation infrastructure, including DISTINCT, window execution, prepared statements and Pluggable Data Types.
MariaDB already supports MariaDB_FUNCTION_PLUGIN, a […]
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MariaDB Foundation Advances TAF with HammerDB 6.0 and xt_reservoir Integration
Overview
While validating MariaDB RSS stability under stored procedure workloads, I ran into unexpected memory growth. The goal was straightforward: confirm that MariaDB was not leaking memory when running TPROC-C stored procedure workloads. To do this, I used HammerDB TPROC-C SP and added improved RSS monitoring so I could watch memory usage over long-duration runs.
The results were clear. MariaDB RSS stayed stable. HammerDB 5.0 kept growing, and growing.
This led to a deeper investigation into HammerDB itself, and ultimately […]
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MariaDB 13.1 Feature in Focus: JSON Operators and JSON_TABLE Improvements
JSON support in MariaDB has improved significantly over the years.
We have functions to create JSON documents, extract values, modify objects, inspect arrays, compare documents, and even transform JSON into relational rows using JSON_TABLE().
But sometimes, a very small piece of syntax can make a surprisingly large difference.
With MariaDB 13.1, we can finally write:
and:
Yes, the JSON arrow operators have arrived in MariaDB!!
And MariaDB 13.1 also improves JSON_TABLE() with support for formatted JSON columns, allowing complete JSON […]