diff --git a/omero/sysadmins/config.rst b/omero/sysadmins/config.rst
index 1f739928cd..f75d419c18 100644
--- a/omero/sysadmins/config.rst
+++ b/omero/sysadmins/config.rst
@@ -1230,7 +1230,7 @@ import. Note that if this value is less than min_threads,
 min_threads will limit the number of background
 tasks which can run simultaneously.
 
-Default: `10`
+Default: `5`
 
 .. property:: omero.threads.background_timeout
 
@@ -1279,7 +1279,7 @@ priority level. Internal system threads may still run.
 Note when setting this that these threads do not
 time out.
 
-Default: `5`
+Default: `10`
 
 .. property:: omero.throttling.method_time.error
 
@@ -2044,6 +2044,22 @@ omero.security.filter.bitand
 Default: `(int8and(permissions,
 %s) = %s)`
 
+.. property:: omero.security.ignore_case
+
+omero.security.ignore_case
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+Whether to ignore the case of the username during login (`true` or
+`false`). Default: `false` (JSmith and jsmith will be considered two
+different users).
+
+.. warning::
+
+    Before enabling this feature, lower the case of all usernames in OMERO
+    (`omename` column in the `experimenter` table). It is the system
+    administrator's responsibility to handle any username clashes.
+
+Default: `false`
+
 .. property:: omero.security.keyStore
 
 omero.security.keyStore
diff --git a/omero/users/history.rst b/omero/users/history.rst
index b339b90802..75bfe275ce 100644
--- a/omero/users/history.rst
+++ b/omero/users/history.rst
@@ -32,6 +32,32 @@ omero clients:
 OMERO version history
 =====================
 
+5.6.11 (May 2024)
+-----------------
+
+This release includes the following upgrade of the OMERO.server Java components:
+
+- omero-gateway-java 5.9.1
+- omero-blitz 5.7.3
+- omero-server 5.6.11
+- omero-renderer 5.5.16
+- omero-romio 5.7.6
+- omero-common 5.6.5
+- omero-model 5.6.14
+
+
+Improvements include:
+
+- an upgrade of Bio-Formats to version 7.3.0
+
+**Note:** This upgrade will invalidate the Bio-Formats Memoizer cache. Please
+see the upgrade guide for further information.
+
+This version of the OMERO.server has been tested with:
+
+- OMERO.py 5.19.2
+- OMERO.web 5.25.0
+
 5.6.10 (December 2023)
 ----------------------