diff --git a/CONST_create_template/env.default b/CONST_create_template/env.default
index 06ef94359..476f5de79 100644
--- a/CONST_create_template/env.default
+++ b/CONST_create_template/env.default
@@ -1,5 +1,5 @@
 # Default values for c2cgeoportal
-GEOMAPFISH_VERSION=2.9.rc.27
+GEOMAPFISH_VERSION=2.9.rc.28
 GEOMAPFISH_MAIN_VERSION=2.9
 GEOMAPFISH_MAIN_MINOR_VERSION=2.9.0
 COMPOSE_PROJECT_NAME=geomapfish
diff --git a/CONST_create_template/geoportal/webpack.apps.js b/CONST_create_template/geoportal/webpack.apps.js
index b5ec5a280..7076055c5 100644
--- a/CONST_create_template/geoportal/webpack.apps.js
+++ b/CONST_create_template/geoportal/webpack.apps.js
@@ -23,7 +23,7 @@ for (const filename of ls(
       chunks: [name],
       vars: {
         entry_point: '${VISIBLE_ENTRY_POINT}',
-        version: '2.9.rc.27',
+        version: '2.9.rc.28',
         cache_version: '${CACHE_VERSION}',
       },
     })
diff --git a/env.default b/env.default
index 06ef94359..476f5de79 100644
--- a/env.default
+++ b/env.default
@@ -1,5 +1,5 @@
 # Default values for c2cgeoportal
-GEOMAPFISH_VERSION=2.9.rc.27
+GEOMAPFISH_VERSION=2.9.rc.28
 GEOMAPFISH_MAIN_VERSION=2.9
 GEOMAPFISH_MAIN_MINOR_VERSION=2.9.0
 COMPOSE_PROJECT_NAME=geomapfish
diff --git a/geoportal/CONST_config-schema.yaml b/geoportal/CONST_config-schema.yaml
index df925e8ff..4c7fc9e52 100644
--- a/geoportal/CONST_config-schema.yaml
+++ b/geoportal/CONST_config-schema.yaml
@@ -250,6 +250,11 @@ mapping:
               create_user:
                 type: bool
                 default: false
+              login_extra_params:
+                type: map
+                mapping:
+                  regex;(.+):
+                    type: str
               match_field:
                 type: str
                 enum:
diff --git a/geoportal/webpack.apps.js b/geoportal/webpack.apps.js
index b5ec5a280..7076055c5 100644
--- a/geoportal/webpack.apps.js
+++ b/geoportal/webpack.apps.js
@@ -23,7 +23,7 @@ for (const filename of ls(
       chunks: [name],
       vars: {
         entry_point: '${VISIBLE_ENTRY_POINT}',
-        version: '2.9.rc.27',
+        version: '2.9.rc.28',
         cache_version: '${CACHE_VERSION}',
       },
     })