diff --git a/.github/workflows/manual-deploy-main-tag.yml b/.github/workflows/manual-deploy-main-tag.yml
index f73143e38..f70a6a1ab 100644
--- a/.github/workflows/manual-deploy-main-tag.yml
+++ b/.github/workflows/manual-deploy-main-tag.yml
@@ -63,9 +63,9 @@ jobs:
         # We do a build first to ensure that building works as expected.
         # We don't use --strict as we do want to ignore some warnings.
         run: |
-          cd LUMI-EasyBuild-docs && make build
+          cd LUMI-EasyBuild-docs && make build TAG=${{ inputs.use_tag }}
 
       - name: deploy docs
         run: |
-          cd LUMI-EasyBuild-docs && make deploy-origin
+          cd LUMI-EasyBuild-docs && make deploy-origin TAG=${{ inputs.use_tag }}
 
diff --git a/Makefile b/Makefile
index 35b51ce16..837805852 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,7 @@
+#
+# Note: call as "make serve" or "make preview" to get the "Last processed" line,
+# or "make serve TAG=<mytag>"etc. to get the line "RElease: <mytag>" instead.
+#
 all: preview
 
 gendoc = docs-generated
@@ -7,7 +11,7 @@ clean-gen:
 	/bin/rm -rf $(gendoc)
 
 rebuild-gen:
-	$(buildscript)
+	$(buildscript) $(TAG)
 
 build: clean-gen rebuild-gen
 	mkdocs build --config-file $(gendoc)/mkdocs.yml
diff --git a/docs/whats_new.md b/docs/whats_new.md
new file mode 100644
index 000000000..c6168686e
--- /dev/null
+++ b/docs/whats_new.md
@@ -0,0 +1,43 @@
+---
+title: Known issues with the LUMI software stacks
+hide:
+- navigation
+---
+
+# What's new in the LUMI software stack
+
+## Release 20231215
+
+-   [rocm/5.6.1](r/rocm/index.md) and [amd/5.6.1](a/amd/index.md) 
+    modules installed in `CrayEnv` and `LUMI/23.09 partition/G`.
+-   Updated user-installable recipes for Java, including [Java/21](j/Java/index.md).
+-   User-installable recipe for the [UNICORE UFTP client](u/unicore-uftp/index.md).
+-   User-installable recipe for the installation of [SIESTA (CPU version)](s/Siesta/index.md)
+
+
+## Release 20231208
+
+-   [GROMACS](g/GROMACS/index.md) with [hipSYCL](h/hipSYCL/index.md) and dependencies, including a version with heFFT.
+-   [nvtop](n/nvtop/index.md)
+-   Extra user-installable version of [SCOTCH](s/SCOTCH/index.md) (64-bit integers)
+-   Update of the [aws-ofi-rccl plugin](a/aws-ofi-rccl/index.md)
+-   Fix for [ELPA](e/ELPA/index.md)
+-   Improved [Open MPI](o/OpenMPI/index.md) with [OSU micro-benchmarks](o/OSU-Micro-Benchmarks/index.md)
+    as test code and user-installable adapted versions of [lumi-CPEtools](l/lumi-CPEtools/index.md)
+    for checking task and thread distribution and pinning.
+
+
+## Release 20231121
+
+-   Bug fixes for the module view
+-   More container recipes
+
+
+## Release 20231116
+
+-   Initial release of the `LUMI/23.09` central software stack, including a first
+    selection of user-installable build recipes
+-   Initial support for creating modules that ease working with containers
+    provided on LUMI.
+-   New version of the [cotainr](c/cotainr/index.md) module
+-   Bug fix for the `lumi-ldap-projectinfo` command.
diff --git a/scripts/build_docs.sh b/scripts/build_docs.sh
index 415260668..43bf77cd1 100755
--- a/scripts/build_docs.sh
+++ b/scripts/build_docs.sh
@@ -47,6 +47,7 @@ container_archived_module_preamble="This software is archived in the\n\
 [easybuild/easyconfigs/\_\_archive\_\_/<file_with_prefix>](https://github.com/Lumi-supercomputer/LUMI-EasyBuild-contrib/blob/main/easybuild/easyconfigs/__archive__/<file_with_prefix>).\n\
 The corresponding module would be <name>/<version>. The containers are likely no longer available on LUMI though."
 other_info_label="Issues"
+whatsnew_label="New"
 
 >&2 echo "Working in repo $repo in $repodir."
 
@@ -127,7 +128,13 @@ prefix_other="$repodir/docs/other_packages"
 package_list="$gendoc/docs/index.md"
 
 echo -e "---\ntitle: Package overview\nhide:\n- navigation\n---\n" >$package_list
-echo -e "# Package list\n" >>$package_list
+echo -e "# Package list\n"                                                                                                     >> $package_list
+if (( $# == 1 ))
+then
+    echo -e "Lumi software stack release: $1\n"                                                                                >> $package_list
+else
+    echo -e "Last processed: $(date -u)\n"                                                                                     >> $package_list
+fi
 echo -e "<span class='lumi-software-smallbutton-userdoc'></span>: Specific user documentation available\n"                     >> $package_list
 echo -e "<span class='lumi-software-smallbutton-techdoc'></span>: Technical documentation available\n"                         >> $package_list
 echo -e "<span class='lumi-software-smallbutton-archive'></span>: Archived application\n"                                      >> $package_list
@@ -971,7 +978,8 @@ do
 done
 
 #
-# Add a navigation item for the other information such as issues.
+# Add a navigation items for the other information such as issues and what's new.
 #
 
 echo "- $other_info_label: known_issues.md"  >>$gendoc/mkdocs.yml
+echo "- $whatsnew_label: whats_new.md"  >>$gendoc/mkdocs.yml