GeoServer 2.20.4 release is now available with downloads (bin, war, windows), along with docs and extensions.

This is a stable release of the 2.20.x series recommended for production systems. This release was made in conjunction with GeoTools 26.4.

Thanks to everyone who contributed, and to Andrea Aime (GeoSolutions) and Jody Garnett (GeoCat) for making this release.

Security Considerations

This release includes several security enhancements and is a recommended upgrade for production systems.

This release includes two improvements addressing Jiffle and GeoTools RCE vulnerabilities:

This release also includes:

  • GEOS-10445 Upgrade springframework from 5.1.20.RELEASE to 5.2.20.RELEASE

    Although GeoServer assessment did not identify any issue we have now updated the the spring framework library.

Add Styles support to LayerGroup

Allows layer group (layer mode SINGLE or OPAQUE) list alternate styles in addition to the default one. Each alternate style is defined by a named configuration of layers and styles providing a unique visual representation.

  • GEOS-10252 Add Styles support to LayerGroup
  • GEOS-10274 Geofence follow up LayerGroup Style addition

For more information see GSIP-205 Add Styles support to LayerGroup proposa.

Improvements and Fixes


  • GEOS-10434 Externalized GeoServer environment properties

  • GEOS-10427 Improve access check in ImportProcess

  • GEOS-10409 Improve deletion of WPS Execute input temp files


  • GEOS-10437 Breaking SLD 1.1 style by REST upload

  • GEOS-10419 NullPointerException from GeoServerOAuthAuthenticationFilter

  • GEOS-10418 Bad request sent to GeoFence when matching roles only

  • GEOS-10401 WPS GetExecutionResult doesn’t validate the mimetype parameter

  • GEOS-10400 Disabling WMS dynamic styling does not affect GetLegendGraphic requests

  • GEOS-10393 WFS-T deletes the wrong features (and further BatchManager issues)

  • GEOS-9978 WMS vendor parameter CLIP - ignores TIME/CQL_FILTER and other parameters when using with ImageMosaic


  • GEOS-10445 Upgrade springframework from 5.1.20.RELEASE to 5.2.20.RELEASE

  • GEOS-10303 Upgrade to jackson 2.13.2

For more information see 2.20.4 release notes.

About GeoServer 2.20

Additional information on GeoServer 2.20 series:

Release notes: ( 2.20.4 | 2.20.3 | 2.20.2 | 2.20.1 | 2.20.0 | 2.20-RC )