GeoWebCache 2.0.0

GeoWebCache 1.28.4 (2026-05-25)

GeoWebCache 2.0 was migrated to Jakarta EE 11, Spring 7 and Jackson 3. Other dependencies have been updated to follow up as well, along with cleanups such as removing obsolete H2 and gwc-distributed references, as well as the in memory cache. GeoWebCache 2.0 requires Java 17 as the minimum version, along with a Tomcat 11.

Since the 2.0-RC, the following additions have been made:

• Upgrade to GeoTools 35.0
• GWC improvements:better resolution choice and Support HintsLevel
• chore(deps): bump org.springframework:spring-framework-bom
• Do not close JNDI-resolved DataSource in JDBCQuotaStore.close()
• diskquota/jdbc: Testcontainers-backed integration tests + CI workflow
• diskquota/jdbc: fix renameLayer leaving TILESET.KEY stale (#1526)
• Improve logging message
• GWC make use of XMLUtils to make better use of GeoTools Hints (#1534)
• Improve dispatcher error logging for client errors
• Refactor seeder pool config: bean injection instead of SpEL
• Make seeder thread pool sizes configurable
• diskquota/jdbc: retry SERIALIZABLE aborts (#1527)
• diskquota/jdbc: make TILEPAGE FK migration crash- and race-safe
• Make use of XMLUtils.supportDTD to maintain WMS DTD support
• Align geowebcache.xml schema namespace to 2.0.0

GeoWebCache 1.28.4

GeoWebCache 1.28.4 (2026-05-25)

Improvements:

• GWC improvements:better resolution choice and Support HintsLevel (#1519)
• Resolve Jackson 2.21.0 builder deprecation warning
• Do not close JNDI-resolved DataSource in JDBCQuotaStore.close()
• diskquota/jdbc: Testcontainers-backed integration tests + CI workflow
• diskquota/jdbc: fix renameLayer leaving TILESET.KEY stale (#1526)
• GeoTools 34.4

2.0-RC

Release candidate:

• Spring Framework 7
• Requires Java 17
• Requires Tomcat 11 environment

Full Changelog: 1.28-M0...2.0-RC

1.28.3

Improvements

• Removed in-memory caching options (actually harmful, could cause deadlocks)
• Tile locking has timeouts

GeoWebCache 1.27.5

GeoWebCache 1.27.5 (2026-02-18)

Maintenance release

Fixes:

• Don't hold locks forever, use a configurable timeout instead (#1472)

Update:

• Update to GeoTools 33.5

GeoWebCache 1.28.2

What's Changed

• [Backport 1.28.x] fix(gwc-core): srs equals(..) should allow one-directional aliases by @geoserver-bot in #1454
• [Backport 1.28.x] Revised AzureBlobStore deletions. by @geoserver-bot in #1457
• [1.28.x] FullWMS: support fusing transparent tiles and generating an opaque output by @aaime in #1461
• [Backport 1.28.x] Removing debug console logging response by @geoserver-bot in #1464

Full Changelog: 1.28.1...1.28.2

GeoWebCache 1.27.4

Java 11 Maintenance release of GeoWebCache.

Improvements:

• FullWMS: support fusing transparent tiles and generating an opaque output

Fixes:

• fix(gwc-core): srs equals(..) should allow one-directional aliases
• Revised AzureBlobStore deletions.
• Removing debug console logging response (#1463)

Full Changelog: 1.27.3...1.27.4

GeoWebCache 1.27.3

Java 11 Maintenance release of GeoWebCache.

Bug fixes:

• Fix loadFromEmptyReadOnlyDirectoryFails test

Updates:

• Updating GWC to imageio-ext 1.4.16

What's Changed

• [GEOT-7796]: Updating GWC to imageio-ext 1.4.16 by @dromagnoli in #1423
• Fix loadFromEmptyReadOnlyDirectoryFails test by @geoserver-bot in #1426

Full Changelog: 1.27.2...1.27.3

GeoWebCache 1.28.0

Release Notes

2025-10-12

Initial release, this is the first release requiring a Java 17 enviornment.

Improvements:

• Update to Java 17 minimum, and apply OpenRewrite Improvements to codebase
• Migrate from JAI 1.1.3 to ImageN 0.9.0 image processing engine
• Use GeoTools ImageWorker transition to ImageN operators
• Use GeoTools bill-of-materials to manage library dependencies and third party dependencies

Full Changelog: https://github.com/GeoWebCache/geowebcache/compare/1.27.1..1.28.0

GeoWebCache 1.28-M0

Milestone release, GeoNetwork 1.28-M0 is the first release requiring a Java 17 environment.

Improvements:

• Update to Java 17 minimum, and apply OpenRewrite Improvements to codebase
• Migrate from JAI to ImageN image processing engine
• Use GeoTools ImageWorker transition to ImageN operators

Updates:

• Upgrade to GeoTools 34.x
• Migrate to ImageN 0.4.0

Full Changelog: 1.27.1...1.28-M0