add entry to history

history.rst

@@ -5,6 +5,30 @@
 OMERO version history
 =====================
 
+5.6.12 (July 2024)
+------------------
+
+This release includes the following upgrade of the OMERO.server Java components:
+
+- omero-gateway-java 5.9.2
+- omero-blitz 5.7.3
+- omero-server 5.6.12
+- omero-renderer 5.5.17
+- omero-romio 5.7.7
+- omero-common 5.6.7
+- omero-model 5.6.15
+
+
+Improvements include:
+
+- an update of IceGrid templates to make OMERO.tables more configurable
+- an upgrade of Bio-Formats to version 7.3.1
+
+This version of the OMERO.server has been tested with:
+
+- OMERO.py 5.19.4
+- OMERO.web 5.27.0
+
 5.6.11 (May 2024)
 -----------------