diff --git a/JenkinsJobs/Builds/I_build.groovy b/JenkinsJobs/Builds/I_build.groovy
index fc5c4f4edb9..c152fe8262e 100644
--- a/JenkinsJobs/Builds/I_build.groovy
+++ b/JenkinsJobs/Builds/I_build.groovy
@@ -17,17 +17,14 @@ for (STREAM in STREAMS){
 # format: Minute Hour Day Month Day of the week (0-7)
 
 # - - - Integration Eclipse SDK builds - - - 
-# 2023-09 Release Schedule
+# 2023-12 Release Schedule
 # Normal : 6 PM every day (1/6 - 2/9)
 # 0 18 * * *
 
 
-# Milestone/RC Schedule 5/12 - 5/31
+# Milestone/RC Schedule 
 # Post M1, no nightlies, I-builds only. (Be sure to "turn off" for tests and sign off days)
-# 0 6 1-7 7 5-7,1-3
-# 0 18 30,1-7 6-7 5-7,1-3
-0 6 11-30 8 5-7,1-3
-0 18 11-30 8 5-7,1-3
+
             """)
           }
         }
diff --git a/cje-production/buildproperties.txt b/cje-production/buildproperties.txt
index cad0e54a35b..0792837851d 100644
--- a/cje-production/buildproperties.txt
+++ b/cje-production/buildproperties.txt
@@ -38,8 +38,8 @@ BUILD_TO_COMPARE_SITE="ftp.osuosl.org/pub/eclipse/eclipse/updates"
 LOCAL_REPO="localMavenRepo"
 
 # Base builder parameters
-BASEBUILDER_TAG="4.28"
-API_PREV_REF_LABEL="4.28"
+BASEBUILDER_TAG="4.29"
+API_PREV_REF_LABEL="4.29"
 #API_FREEZE_REF_LABEL="4.30RC1"
 API_FREEZE_REF_LABEL=""
 # Change to appropriate versions and uncomment when entering API freeze
@@ -47,12 +47,12 @@ API_FREEZE_REF_LABEL=""
 # Otherwise set to a blank space
 FREEZE_PARAMS=" "
 
-PREVIOUS_RELEASE_VER="4.28"
-PREVIOUS_RELEASE_REPO_ID="4.28"
+PREVIOUS_RELEASE_VER="4.29RC2a"
+PREVIOUS_RELEASE_REPO_ID="4.29-I-builds"
 #build id for getting repo
-BASEBUILD_ID="R-4.28-202306050440"
+BASEBUILD_ID="I20230903-1000"
 #release id for downloading eclipse
-PREVIOUS_RELEASE_ID="R-4.28-202306050440"
+PREVIOUS_RELEASE_ID="S-4.29RC2a-202309031000"
 
 BUILDTOOLS_REPO="https://download.eclipse.org/eclipse/updates/buildtools/"
 WEBTOOLS_REPO="https://download.eclipse.org/webtools/downloads/drops/R3.30.0/R-3.30.0-20230603084739/repositoryunittests/"
diff --git a/cje-production/cleaners/cleanupNightlyRepo.sh b/cje-production/cleaners/cleanupNightlyRepo.sh
index 8f75d9c012a..8c16fcd5a90 100755
--- a/cje-production/cleaners/cleanupNightlyRepo.sh
+++ b/cje-production/cleaners/cleanupNightlyRepo.sh
@@ -222,9 +222,9 @@ function cleanRepo ()
 workspace=$1
 remoteBase="/home/data/httpd/download.eclipse.org"
 
-eclipseIRepo="${remoteBase}/eclipse/updates/4.29-I-builds"
-eclipseYRepo="${remoteBase}/eclipse/updates/4.29-Y-builds"
-eclipsePRepo="${remoteBase}/eclipse/updates/4.29-P-builds"
+eclipseIRepo="${remoteBase}/eclipse/updates/4.30-I-builds"
+eclipseYRepo="${remoteBase}/eclipse/updates/4.30-Y-builds"
+eclipsePRepo="${remoteBase}/eclipse/updates/4.30-P-builds"
 eclipseBuildTools="${remoteBase}/eclipse/updates/buildtools"
 
 doDryrun=
diff --git a/cje-production/scripts/checkComposites/checkComposites.sh b/cje-production/scripts/checkComposites/checkComposites.sh
index 370538dcc9b..1f22724b8d6 100755
--- a/cje-production/scripts/checkComposites/checkComposites.sh
+++ b/cje-production/scripts/checkComposites/checkComposites.sh
@@ -26,11 +26,11 @@ repoHttpAccess=https://download.eclipse.org
 repoAccess=${repoHttpAccess}
 # TODO: reduce this list soon
 repoList="\
-/eclipse/updates/4.28/ \
-/eclipse/updates/4.29-Y-builds/ \
-/eclipse/updates/4.29-P-builds/ \
 /eclipse/updates/4.29/ \
-/eclipse/updates/4.29-I-builds/ \
+/eclipse/updates/4.30-Y-builds/ \
+/eclipse/updates/4.30-P-builds/ \
+/eclipse/updates/4.30/ \
+/eclipse/updates/4.30-I-builds/ \
 "
 
 
diff --git a/eclipse-platform-parent/pom.xml b/eclipse-platform-parent/pom.xml
index faa68f9eadb..d4e2d49123f 100644
--- a/eclipse-platform-parent/pom.xml
+++ b/eclipse-platform-parent/pom.xml
@@ -49,7 +49,7 @@
       such as Version: Mars (4.5), for main features.
       See bug 328139.
     -->
-    <releaseName>2023-09</releaseName>
+    <releaseName>2023-12</releaseName>
     <!--
       The releaseNumbers below, for SDK and Platform, might be
       thought of as the "marketing number" or "branding number",
diff --git a/eclipse.jdt b/eclipse.jdt
index c2aaaf5a03b..dc27baa9643 160000
--- a/eclipse.jdt
+++ b/eclipse.jdt
@@ -1 +1 @@
-Subproject commit c2aaaf5a03bec17e7f070b8b3d64d925a20df4d0
+Subproject commit dc27baa964323c7d1cdebd7cb1ba8a575bff81c8
diff --git a/eclipse.jdt.core b/eclipse.jdt.core
index 816bc73d6b0..405d1e2f87f 160000
--- a/eclipse.jdt.core
+++ b/eclipse.jdt.core
@@ -1 +1 @@
-Subproject commit 816bc73d6b044d55043601b9e3a4e00f08551df4
+Subproject commit 405d1e2f87f469da2d24e78b7dfeaa72ebc09f8d
diff --git a/eclipse.jdt.core.binaries b/eclipse.jdt.core.binaries
index 6722ed230ae..c779286c0ac 160000
--- a/eclipse.jdt.core.binaries
+++ b/eclipse.jdt.core.binaries
@@ -1 +1 @@
-Subproject commit 6722ed230aed3afe9042d76f45cd0c1f80c5e21f
+Subproject commit c779286c0acb9dbab2aeed9d4eb6d41bc80792b3
diff --git a/eclipse.jdt.debug b/eclipse.jdt.debug
index d79833b8a1f..60024cf7036 160000
--- a/eclipse.jdt.debug
+++ b/eclipse.jdt.debug
@@ -1 +1 @@
-Subproject commit d79833b8a1f87738a040b2c5a576781a628fdffc
+Subproject commit 60024cf70361fe853c584bd29b8a270c6f388cba
diff --git a/eclipse.jdt.ui b/eclipse.jdt.ui
index 055a935ec3f..5d727303ae7 160000
--- a/eclipse.jdt.ui
+++ b/eclipse.jdt.ui
@@ -1 +1 @@
-Subproject commit 055a935ec3f04c17f5b1ba6a2a8c95380ca5226c
+Subproject commit 5d727303ae755540647ecad984a9e8c551e7d607
diff --git a/eclipse.pde b/eclipse.pde
index 2a3e9e421dc..7915cc4476e 160000
--- a/eclipse.pde
+++ b/eclipse.pde
@@ -1 +1 @@
-Subproject commit 2a3e9e421dc866c29173cd6d3479a3f73abd605d
+Subproject commit 7915cc4476e6fc34405adb3408eb0c6efc0cf5f1
diff --git a/eclipse.platform b/eclipse.platform
index 0b7aa258309..c1e556cdfe6 160000
--- a/eclipse.platform
+++ b/eclipse.platform
@@ -1 +1 @@
-Subproject commit 0b7aa258309d3dfd066958a80c2fe94983d67947
+Subproject commit c1e556cdfe60f25f455b623b32c97ede44f1e8ff
diff --git a/eclipse.platform.common/bundles/org.eclipse.jdt.doc.isv/jdtOptions.txt b/eclipse.platform.common/bundles/org.eclipse.jdt.doc.isv/jdtOptions.txt
index ee07c0e220c..7224a3a9fc6 100644
--- a/eclipse.platform.common/bundles/org.eclipse.jdt.doc.isv/jdtOptions.txt
+++ b/eclipse.platform.common/bundles/org.eclipse.jdt.doc.isv/jdtOptions.txt
@@ -100,7 +100,7 @@
 -splitIndex
 -windowtitle "Eclipse JDT API Specification"
 -doctitle "Eclipse JDT API Specification"
--header "<span style='font-size:small'><b>Eclipse JDT</b><br>2023-09 (4.29)</span>"
+-header "<span style='font-size:small'><b>Eclipse JDT</b><br>2023-12 (4.30)</span>"
 -bottom "<br><span style='font-size:small;float:right'>Copyright (c) 2000, 2023 Eclipse Contributors and others. All rights reserved.</span><span style='font-size:small'><a href='{@docRoot}/../misc/api-usage-rules.html'>Guidelines for using Eclipse APIs.</a></span>"
 -group "Java development tools core packages" "org.eclipse.jdt.core
 ;org.eclipse.jdt.core.*"
diff --git a/eclipse.platform.common/bundles/org.eclipse.pde.doc.user/pdeOptions.txt b/eclipse.platform.common/bundles/org.eclipse.pde.doc.user/pdeOptions.txt
index 12b3147fd99..513ddb11749 100644
--- a/eclipse.platform.common/bundles/org.eclipse.pde.doc.user/pdeOptions.txt
+++ b/eclipse.platform.common/bundles/org.eclipse.pde.doc.user/pdeOptions.txt
@@ -87,7 +87,7 @@
 
 -windowtitle "Eclipse PDE API Specification"
 -doctitle "Eclipse PDE API Specification"
--header "<span style='font-size:small'><b>Eclipse PDE</b><br>2023-09 (4.29)</span>"
+-header "<span style='font-size:small'><b>Eclipse PDE</b><br>2023-12 (4.30)</span>"
 -bottom "<br><span style='font-size:small;float:right'>Copyright (c) 2000, 2023 Eclipse Contributors and others. All rights reserved.</span><span style='font-size:small'><a href='{@docRoot}/../misc/api-usage-rules.html'>Guidelines for using Eclipse APIs.</a></span>"
 -link https://docs.oracle.com/en/java/javase/17/docs/api
 -link https://docs.osgi.org/javadoc/osgi.core/8.0.0/
diff --git a/eclipse.platform.common/bundles/org.eclipse.platform.doc.isv/platformOptions.txt b/eclipse.platform.common/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
index d28423f384a..b5ba9d1d4d6 100644
--- a/eclipse.platform.common/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
+++ b/eclipse.platform.common/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
@@ -191,7 +191,7 @@
 -splitIndex
 -windowtitle "Eclipse Platform API Specification"
 -doctitle "Eclipse Platform API Specification"
--header "<span style='font-size:small'><b>Eclipse Platform</b><br>2023-09 (4.29)</span>"
+-header "<span style='font-size:small'><b>Eclipse Platform</b><br>2023-12 (4.30)</span>"
 -bottom "<br><span style='font-size:small;float:right'>Copyright (c) 2000, 2023 Eclipse Contributors and others. All rights reserved.</span><span style='font-size:small'><a href='{@docRoot}/../misc/api-usage-rules.html'>Guidelines for using Eclipse APIs.</a></span>"
 -link https://docs.oracle.com/en/java/javase/17/docs/api
 -link https://docs.osgi.org/javadoc/osgi.core/8.0.0/
diff --git a/eclipse.platform.releng.tychoeclipsebuilder/java21patch/eclipse.releng.repository.java21patch/category.xml b/eclipse.platform.releng.tychoeclipsebuilder/java21patch/eclipse.releng.repository.java21patch/category.xml
index cb7f031522a..1685dbd4e46 100644
--- a/eclipse.platform.releng.tychoeclipsebuilder/java21patch/eclipse.releng.repository.java21patch/category.xml
+++ b/eclipse.platform.releng.tychoeclipsebuilder/java21patch/eclipse.releng.repository.java21patch/category.xml
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
    <feature id="org.eclipse.jdt.java21patch" version="0.0.0" patch="true">
-      <category name="Eclipse Java 21 support for 2023-09 development stream"/>
+      <category name="Eclipse Java 21 support for 2023-12 development stream"/>
    </feature>
    <feature id="org.eclipse.jdt.java21patch.source" version="0.0.0" patch="true">
-      <category name="Eclipse Java 21 support for 2023-09 development stream"/>
+      <category name="Eclipse Java 21 support for 2023-12 development stream"/>
    </feature>
-   <category-def name="Eclipse Java 21 support for 2023-09 development stream" label="Eclipse Java 21 support for 2023-09 development stream">
+   <category-def name="Eclipse Java 21 support for 2023-12 development stream" label="Eclipse Java 21 support for 2023-12 development stream">
       <description>
-         Eclipse Java 21 support for 2023-09 development stream.
+         Eclipse Java 21 support for 2023-12 development stream.
       </description>
    </category-def>
 </site>
diff --git a/eclipse.platform.releng.tychoeclipsebuilder/java21patch/org.eclipse.jdt.java21patch/sourceTemplateFeature/feature.properties b/eclipse.platform.releng.tychoeclipsebuilder/java21patch/org.eclipse.jdt.java21patch/sourceTemplateFeature/feature.properties
index 64abc0a7372..07f28714b14 100644
--- a/eclipse.platform.releng.tychoeclipsebuilder/java21patch/org.eclipse.jdt.java21patch/sourceTemplateFeature/feature.properties
+++ b/eclipse.platform.releng.tychoeclipsebuilder/java21patch/org.eclipse.jdt.java21patch/sourceTemplateFeature/feature.properties
@@ -18,13 +18,13 @@
 # This file should be translated.
 
 # "featureName" property - name of the feature
-featureName=Eclipse JDT (Java Development Tools) Source Patch with Java 21 support for 2023-09 development stream
+featureName=Eclipse JDT (Java Development Tools) Source Patch with Java 21 support for 2023-12 development stream
 
 # "providerName" property - name of the company that provides the feature
 providerName=Eclipse.org
 
 # "description" property - description of the feature
-description=Eclipse Java 21 support for 2023-09 development stream.\n
+description=Eclipse Java 21 support for 2023-12 development stream.\n
 
 # "copyright" property - text of the "Feature Update Copyright"
 copyright=\
diff --git a/eclipse.platform.swt b/eclipse.platform.swt
index 4daf005a457..d4e44314a85 160000
--- a/eclipse.platform.swt
+++ b/eclipse.platform.swt
@@ -1 +1 @@
-Subproject commit 4daf005a457fb50b929719cb5b3616e55cc2e5c4
+Subproject commit d4e44314a852a332c09041873ae847d71d1df4f0
diff --git a/eclipse.platform.swt.binaries b/eclipse.platform.swt.binaries
index a5e9fea6a60..8a37bab19ea 160000
--- a/eclipse.platform.swt.binaries
+++ b/eclipse.platform.swt.binaries
@@ -1 +1 @@
-Subproject commit a5e9fea6a60d77e7e90298a35aafc02e3c72ee2e
+Subproject commit 8a37bab19ea2dc433a30fe82ef188fea834ceee8
diff --git a/eclipse.platform.ui b/eclipse.platform.ui
index 81e76792790..f4989c93f6e 160000
--- a/eclipse.platform.ui
+++ b/eclipse.platform.ui
@@ -1 +1 @@
-Subproject commit 81e7679279080525779750c0415907d7326015b6
+Subproject commit f4989c93f6e599d977cabf7b039836a771a3b035
diff --git a/equinox b/equinox
index cfed903b766..c91db89ef4a 160000
--- a/equinox
+++ b/equinox
@@ -1 +1 @@
-Subproject commit cfed903b766475c1710d7ae208853f0ba5f1d9cd
+Subproject commit c91db89ef4ada8c48c912b01024f9f4f6622895b
diff --git a/rt.equinox.p2 b/rt.equinox.p2
index 7699a795266..519e6b0aa7b 160000
--- a/rt.equinox.p2
+++ b/rt.equinox.p2
@@ -1 +1 @@
-Subproject commit 7699a7952660c03676d1aeb4f6bfd85c1ca3956e
+Subproject commit 519e6b0aa7b0361b8f21727233776c74b08ca449