3.18.3 released

Pavel — Mon, 26 Oct 2026 19:39:36 -0000

SymmetricDS 3.18.3 is released!
https://symmetricds.org/news/symmetricds-3-18-3-released/

This release includes 1 bug fix and 1 security patch. Here are some highlights:

Publish the symmetric-stats artifact to Maven Central
Security update: BouncyCastle to version 1.86

3.18.2 released

Pavel — Wed, 21 Oct 2026 13:57:22 -0000

SymmetricDS 3.18.2 is released!
https://symmetricds.org/news/symmetricds-3-18-2-released/

This release includes 5 improvements, 6 bug fixes, 2 maintenance update and 1 security patch. Here are some highlights:

MySQL trigger rebuilds now work smoothly with case-mismatched table names
Skip reservation process, when filtered list of batches to push is empty
Security updates: H2 version 2.5.252, Apache Commons Lang3 to 3.20.1

Note: Please be advised that you must upgrade Java to version 21 before attempting an update from an older version of SymmetricDS.

3.17.10 released

Pavel — Wed, 21 Oct 2026 13:30:49 -0000

SymmetricDS 3.17.9 is released!
https://symmetricds.org/news/symmetricds-3-17-10-released/

Note: This is a maintenance release for an older version of SymmetricDS.
This release includes 7 improvements, 2 bug fixes and 2 security updates. Here are some highlights:

MySQL trigger rebuilds now work smoothly with case-mismatched table names
Skip reservation process, when filtered list of batches to push is empty
Security updates: H2 2.5.252, jackson-databind 2.21.5 and Log4j 2.25.5

SymmetricDS 3.16.20 released

Pavel — Wed, 21 Oct 2026 12:26:54 -0000

SymmetricDS 3.16.20 is released!
https://symmetricds.org/news/symmetricds-3-16-20-released/

This release includes 3 improvements, 1 bug fix and 3 security updates. Here are some highlights:

MySQL trigger rebuilds now work smoothly with case-mismatched table names
Log effective database connection pool size at startup and warn when concurrent workers exceed it
Security updates: H2 library, jackson-databind and Log4j version updates.

3.18.1 released

Pavel — Thu, 17 Sep 2026 19:25:35 -0000

SymmetricDS 3.18.1 is released!
https://symmetricds.org/news/symmetricds-3-18-1-released/

(This is a follow up to an already popular cloud-friendly 3.18.0 release)
This release includes 5 new features, 2 improvements, 4 bug fixes, 1 maintenance update and 1 security patch. Here are some highlights:

Support for STORED GENERATED columns on PostgreSQL, MySQL and MariaDB (also known as RETAINED COMPUTED or PERSISTED COMPUTED columns already supported for MS SQL Server)
Added support for virtual (function-based) indexes on MySQL and MariaDB
More robust Routing job despite misconfiguration of group links (groups without nodes or only disabled nodes)
Drop the obsolete sym_node_channel_ctl table when upgrading from versions older than 3.17 (Known side effect: clears list of Paused nodes, if any)

3.17.9 released

Pavel — Thu, 17 Sep 2026 18:20:45 -0000

SymmetricDS 3.17.9 is released!
https://symmetricds.org/news/symmetricds-3-17-9-released/

Note: This is a maintenance release for an older version of SymmetricDS.
This release includes 1 improvement and 4 bug fixes. Here are some highlights:

More robust Routing job despite misconfiguration of group links (groups without nodes)
Prevent blocking the registration batch acknowledgement call when SyncTriggers runs longer than usual
Restrict unsafe HTTP methods on the error controller to prevent CSRF

SymmetricDS 3.16.19 released

Pavel — Thu, 17 Sep 2026 16:31:40 -0000

SymmetricDS 3.16.19 is released!
https://symmetricds.org/news/symmetricds-3-16-19-released/

Note: This is a maintenance release for an older version of SymmetricDS.
This release includes 1 bug fix:

Validate file sync using check-sums or file sizes

SymmetricDS 3.18.0 released

Pavel — Tue, 01 Sep 2026 23:05:28 -0000

SymmetricDS 3.18.0 is released!
https://symmetricds.org/news/symmetricds-3-18-0-released/

This release includes 8 new features, 29 improvements, 67 bug fixes and 17 security patches. Here are some highlights:

Re-licensed from the GNU GPL to the GNU Affero GPL v3 (AGPL for short), effective September 1, 2026.
New cloud container mode with PID 1 alignment (faster SIGTERM response), liveness and readiness endpoints.
51 new built-in metrics are published through the OpenTelemetry (OTel) API, useful for Prometheus, Grafana Cloud, DataDog, Dynatrace, New Relic, AppDynamics, Splunk, etc.
New database health check pre-flight circuit breaker to skip jobs and reject sync requests during database outages.
Migrated logging framework from Log4j2 to Logback for faster, more advanced logging capabilities.
Java version 21 is now required.

SymmetricDS 3.17.8 released

Pavel — Tue, 01 Sep 2026 21:58:31 -0000

SymmetricDS 3.17.8 is released!
https://symmetricds.org/news/symmetricds-3-17-8-released/

Note: This is a maintenance release for an older version of SymmetricDS.
This release includes 1 improvement, 5 security patches and 9 bug fixes. Here are some highlights:

Fix a slow Routing job caused by repeated node cache flushing when a node list can't be resolved
Sanitize dynamically-built SQL statements
Restrict unsafe HTTP methods on the error controller to prevent CSRF
Avoid blocking the registration batch acknowledgement for long-running SyncTriggers when triggers use template variables

3.16.18 released

Pavel — Tue, 01 Sep 2026 20:08:31 -0000

SymmetricDS 3.16.18 is released!
https://symmetricds.org/news/symmetricds-3-16-18-released/

Note: This is a maintenance release for an older version of SymmetricDS.
This release includes 2 security patches and 1 bug fix:

Fix a slow Routing job caused by repeated node cache flushing when a node list can't be resolved
Restrict unsafe HTTP methods on the error controller to prevent CSRF
Sanitize dynamically-built SQL statements

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