diff --git a/releng/download/releases/12.4/compositeArtifacts.xml b/releng/download/releases/12.4/compositeArtifacts.xml
new file mode 100644
index 00000000000..ac264c9b536
--- /dev/null
+++ b/releng/download/releases/12.4/compositeArtifacts.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<?compositeArtifactRepository version='1.0.0'?>
+<repository name='CDT 12.4 Update Site'
+    type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
+  <properties size='1'>
+    <!-- timestamp made with date +%s%3N -->
+    <property name='p2.timestamp' value='1773240665169'/>
+  </properties>
+  <children size='1'>
+    <child location='cdt-12.4.0'/>
+  </children>
+</repository>
diff --git a/releng/download/releases/12.4/compositeContent.xml b/releng/download/releases/12.4/compositeContent.xml
new file mode 100644
index 00000000000..5854cddfc1a
--- /dev/null
+++ b/releng/download/releases/12.4/compositeContent.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<?compositeMetadataRepository version='1.0.0'?>
+<repository name='CDT 12.4 Update Site'
+    type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
+  <properties size='1'>
+    <!-- timestamp made with date +%s%3N -->
+    <property name='p2.timestamp' value='1773240665169'/>
+  </properties>
+  <children size='1'>
+    <child location='cdt-12.4.0'/>
+  </children>
+</repository>
diff --git a/releng/download/releases/cdt-lsp-3.5/compositeArtifacts.xml b/releng/download/releases/cdt-lsp-3.5/compositeArtifacts.xml
new file mode 100644
index 00000000000..8b3d865fe4d
--- /dev/null
+++ b/releng/download/releases/cdt-lsp-3.5/compositeArtifacts.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<?compositeArtifactRepository version='1.0.0'?>
+<repository name='CDT LSP 3.5 Update Site'
+    type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
+  <properties size='1'>
+    <!-- timestamp made with date +%s%3N -->
+    <property name='p2.timestamp' value='1773240665169'/>
+  </properties>
+  <children size='1'>
+    <child location='cdt-lsp-3.5.0'/>
+  </children>
+</repository>
diff --git a/releng/download/releases/cdt-lsp-3.5/compositeContent.xml b/releng/download/releases/cdt-lsp-3.5/compositeContent.xml
new file mode 100644
index 00000000000..458fa0ba71a
--- /dev/null
+++ b/releng/download/releases/cdt-lsp-3.5/compositeContent.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<?compositeMetadataRepository version='1.0.0'?>
+<repository name='CDT LSP 3.5 Update Site'
+    type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
+  <properties size='1'>
+    <!-- timestamp made with date +%s%3N -->
+    <property name='p2.timestamp' value='1773240665169'/>
+  </properties>
+  <children size='1'>
+    <child location='cdt-lsp-3.5.0'/>
+  </children>
+</repository>
diff --git a/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml b/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml
index 225af0fbe0a..fb0382776af 100644
--- a/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml
+++ b/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml
@@ -4,9 +4,9 @@
     type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
   <properties size='1'>
     <!-- timestamp made with date +%s%3N -->
-    <property name='p2.timestamp' value='1765415582790'/>
+    <property name='p2.timestamp' value='1773240665169'/>
   </properties>
   <children size='1'>
-    <child location='../cdt-lsp-3.4'/>
+    <child location='../cdt-lsp-3.5'/>
   </children>
 </repository>
diff --git a/releng/download/releases/cdt-lsp-latest/compositeContent.xml b/releng/download/releases/cdt-lsp-latest/compositeContent.xml
index c810a6648cf..48dba58ee14 100644
--- a/releng/download/releases/cdt-lsp-latest/compositeContent.xml
+++ b/releng/download/releases/cdt-lsp-latest/compositeContent.xml
@@ -4,9 +4,9 @@
     type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
   <properties size='1'>
     <!-- timestamp made with date +%s%3N -->
-    <property name='p2.timestamp' value='1765415582790'/>
+    <property name='p2.timestamp' value='1773240665169'/>
   </properties>
   <children size='1'>
-    <child location='../cdt-lsp-3.4'/>
+    <child location='../cdt-lsp-3.5'/>
   </children>
 </repository>
diff --git a/releng/download/releases/latest/compositeArtifacts.xml b/releng/download/releases/latest/compositeArtifacts.xml
index 1998b218888..d03f127e6e5 100644
--- a/releng/download/releases/latest/compositeArtifacts.xml
+++ b/releng/download/releases/latest/compositeArtifacts.xml
@@ -4,9 +4,9 @@
     type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
   <properties size='1'>
     <!-- timestamp made with date +%s%3N -->
-    <property name='p2.timestamp' value='1765415582790'/>
+    <property name='p2.timestamp' value='1773240665169'/>
   </properties>
   <children size='1'>
-    <child location='../12.3'/>
+    <child location='../12.4'/>
   </children>
 </repository>
diff --git a/releng/download/releases/latest/compositeContent.xml b/releng/download/releases/latest/compositeContent.xml
index d0ccf273c58..d3bfe1b692e 100644
--- a/releng/download/releases/latest/compositeContent.xml
+++ b/releng/download/releases/latest/compositeContent.xml
@@ -4,9 +4,9 @@
     type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
   <properties size='1'>
     <!-- timestamp made with date +%s%3N -->
-    <property name='p2.timestamp' value='1765415582790'/>
+    <property name='p2.timestamp' value='1773240665169'/>
   </properties>
   <children size='1'>
-    <child location='../12.3'/>
+    <child location='../12.4'/>
   </children>
 </repository>
diff --git a/releng/scripts/promote-files-to-download.sh b/releng/scripts/promote-files-to-download.sh
index 65410a4aea8..cd045f87bc4 100755
--- a/releng/scripts/promote-files-to-download.sh
+++ b/releng/scripts/promote-files-to-download.sh
@@ -26,6 +26,7 @@ $ECHO $SCP ./releng/download/releases/12.0/* "${SSHUSER}:${DOWNLOAD}/releases/12
 $ECHO $SCP ./releng/download/releases/12.1/* "${SSHUSER}:${DOWNLOAD}/releases/12.1/"
 $ECHO $SCP ./releng/download/releases/12.2/* "${SSHUSER}:${DOWNLOAD}/releases/12.2/"
 $ECHO $SCP ./releng/download/releases/12.3/* "${SSHUSER}:${DOWNLOAD}/releases/12.3/"
+$ECHO $SCP ./releng/download/releases/12.4/* "${SSHUSER}:${DOWNLOAD}/releases/12.4/"
 
 $ECHO $SSH mkdir -p "${DOWNLOAD}/releases/cdt-lsp-latest/"
 $ECHO $SCP ./releng/download/releases/cdt-lsp-latest/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-latest/"
@@ -35,6 +36,7 @@ $ECHO $SCP ./releng/download/releases/cdt-lsp-3.1/* "${SSHUSER}:${DOWNLOAD}/rele
 $ECHO $SCP ./releng/download/releases/cdt-lsp-3.2/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-3.2/"
 $ECHO $SCP ./releng/download/releases/cdt-lsp-3.3/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-3.3/"
 $ECHO $SCP ./releng/download/releases/cdt-lsp-3.4/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-3.4/"
+$ECHO $SCP ./releng/download/releases/cdt-lsp-3.5/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-3.5/"
 
 # Issue #235 - some of the old archived releases had bad composites. For those
 # ones we started maintaining the files here as it was the easiest way to edit