diff --git a/jenkins-scripts/dsl/dsl_checks.bash b/jenkins-scripts/dsl/dsl_checks.bash
index e4dfe8f25..876750389 100755
--- a/jenkins-scripts/dsl/dsl_checks.bash
+++ b/jenkins-scripts/dsl/dsl_checks.bash
@@ -6,7 +6,9 @@ if [[ -z $(ls -- *.xml) ]]; then
   exit 1
 fi
 
-not_null=$(grep -3 'null' -- *.xml || true)
+# Some XML generated files include valid Groovy code using null
+# like the _outdated_jobs job. Do not search for null unconditionally
+not_null=$(grep -3 '>.*null.*<' -- *.xml || true)
 if [[ -n ${not_null} ]]; then
   echo "Found a null value in a configuration file:"
   echo "${not_null}"
@@ -50,16 +52,27 @@ if [[ -n ${non_github_orgs} ]]; then
   exit 1
 fi
 
+# Check that whiteListedTargetBranches are non empty in all generated gazebo_libs
+# see https://github.com/gazebo-tooling/release-tools/pull/1144
+# For other jobs the use case is valid since pr can be enabled on all branches
+empty_branches_on_github_triggered=$(grep '<whiteListTargetBranches></whiteListTargetBranches>' \
+                                      -- {gz_,sdformat}*{-abichecker-,-pr_any-}*.xml || true)
+if [[ -n ${empty_branches_on_github_triggered} ]]; then
+  echo "Unexpected whiteListTargetBranches without values. It will trigger all branches:"
+  echo "${empty_branches_on_github_triggered}"
+  exit 1
+fi
+
 # re-enable after https://github.com/gazebo-tooling/release-tools/issues/1095
 
 # Filter out the previous auto jobs
-# filtered_dir=$(mktemp -d)
-# cp -- *-abichecker-*.xml "${filtered_dir}"
-# rm -f "${filtered_dir}"/*-ubuntu_auto*.xml
-# repeated=$(grep '\<branch>' "${filtered_dir}"/*-abichecker-*.xml | awk '{ print $2 }' | sort | uniq -d)
-# if [[ -n ${repeated} ]]; then
-#   echo "Found a duplicate in an abichecker branch:"
-#   echo "${repeated}"
-#   echo "please exclude one of the versions in the yaml file to reduce the server workload"
-#   exit 1
-# fi
+filtered_dir=$(mktemp -d)
+cp -- *-abichecker-*.xml "${filtered_dir}"
+rm -f "${filtered_dir}"/*-ubuntu_auto*.xml
+repeated=$(grep '\<branch>' "${filtered_dir}"/*-abichecker-*.xml | awk '{ print $2 }' | sort | uniq -d)
+if [[ -n ${repeated} ]]; then
+   echo "Found a duplicate in an abichecker branch:"
+   echo "${repeated}"
+   echo "please exclude one of the versions in the yaml file to reduce the server workload"
+   exit 1
+fi
diff --git a/jenkins-scripts/dsl/gazebo_libs.dsl b/jenkins-scripts/dsl/gazebo_libs.dsl
index 3b3b18a0b..b56f6b99c 100644
--- a/jenkins-scripts/dsl/gazebo_libs.dsl
+++ b/jenkins-scripts/dsl/gazebo_libs.dsl
@@ -345,6 +345,7 @@ gz_collections_yaml.collections.each { collection ->
           branch_index[lib_name][platform]['pr'] << [branch: branch_name, ci_name: config_name]
       }
       if (categories_enabled.contains('pr_abichecker') &&
+         (branch_name != 'main') &&
          (! ci_config.exclude.abichecker?.contains(lib_name)))
       {
         branch_index[lib_name][platform]['pr_abichecker'].contains(branch_name) ?:
@@ -482,7 +483,7 @@ branch_index.each { lib_name, distro_configs ->
       OSRFLinuxABIGitHub.create(abi_job)
       GenericAnyJobGitHub.create(abi_job,
                         "gazebosim/${lib_name}",
-                        branch_names - [ 'main'])
+                        branch_names)
       generate_label_by_requirements(abi_job, lib_name, ci_config.requirements)
       abi_job.with
       {
diff --git a/jenkins-scripts/dsl/gz-collections.yaml b/jenkins-scripts/dsl/gz-collections.yaml
index fdf0ba837..7dc3f4f3c 100644
--- a/jenkins-scripts/dsl/gz-collections.yaml
+++ b/jenkins-scripts/dsl/gz-collections.yaml
@@ -1,4 +1,4 @@
-#
+
 # SPEC: not yet approved, used as draft
 #
 #---
@@ -256,7 +256,7 @@ collections:
           current_branch: main
     ci:
       configs:
-        - focal
+        - focal_exclude_harmonic_abi_dups
         - brew
         - win
     packaging:
@@ -413,6 +413,10 @@ collections:
         major_version: 8
         repo:
           current_branch: main
+      - name: gz-ionic
+        major_version: 1
+        repo:
+          current_branch: main
     ci:
       configs:
         - noble
@@ -503,6 +507,43 @@ ci_configs:
       - pr_abichecker
       - stable_branches
       - stable_branches_asan
+  - name: focal_exclude_harmonic_abi_dups
+    system:
+      so: linux
+      distribution: ubuntu
+      version: focal
+      arch: amd64
+    requirements:
+      large_memory:
+        - gz-physics
+      nvidia_gpu:
+        - gz-sim
+        - gz-gui
+        - gz-rendering
+        - gz-sensors
+    exclude:
+      all:
+        - gz-citadel
+        - gz-fortress
+        - gz-garden
+      abichecker:
+        - gz-cmake
+        - gz-tools
+        # Exclude the abichecker that are duplicate with Harmonic
+        # The ones on Harmonic run on jammy
+        - gz-common
+        - gz-math
+        - gz-plugin
+        - gz-utils
+    pre_setup_script_hook:
+      gz-physics:
+        - "export MAKE_JOBS=1"
+    tests_disabled:
+    ci_categories_enabled:
+      - pr
+      - pr_abichecker
+      - stable_branches
+      - stable_branches_asan
   - name: noble
     system:
       so: linux
@@ -520,6 +561,7 @@ ci_configs:
     exclude:
       all:
         - gz-harmonic
+        - gz-ionic
         - __upcoming__
       abichecker:
         - gz-cmake
diff --git a/jenkins-scripts/dsl/ignition_collection.dsl b/jenkins-scripts/dsl/ignition_collection.dsl
index 43018c8df..e00232093 100644
--- a/jenkins-scripts/dsl/ignition_collection.dsl
+++ b/jenkins-scripts/dsl/ignition_collection.dsl
@@ -62,25 +62,6 @@ void generate_install_job(prefix, gz_collection_name, distro, arch)
 // Testing compilation from source
 gz_collections_yaml.collections.each { collection ->
   gz_collection_name = collection.name
-
-  if (! collection.packaging.exclude?.contains(gz_collection_name)) {
-    // DEBBUILD: linux package builder
-    // --------------------------------------------------------------
-    def build_pkg_job = job("gz-${gz_collection_name}-debbuilder")
-    OSRFLinuxBuildPkg.create(build_pkg_job)
-    build_pkg_job.with
-    {
-      steps {
-        shell("""\
-              #!/bin/bash -xe
-
-              /bin/bash -x ./scripts/jenkins-scripts/docker/multidistribution-ignition-debbuild.bash
-              """.stripIndent())
-      }
-    }
-  }
-
-
   collection.ci.configs.each { ci_config_name ->
     ci_config = gz_collections_yaml.ci_configs.find { it.name == ci_config_name }
     distro = ci_config.system.version
@@ -153,74 +134,6 @@ gz_collections_yaml.collections.each { collection ->
              """.stripIndent())
       }
     }
-
-    // COLCON - Windows
-    Globals.gazebodistro_branch = true
-    def gz_win_ci_job = job("ign_${gz_collection_name}-ci-win")
-    OSRFWinCompilation.create(gz_win_ci_job, false)
-    gz_win_ci_job.with
-    {
-        steps {
-          batchFile("""\
-                set IGNITION_COLLECTION=${gz_collection_name}
-                call "./scripts/jenkins-scripts/lib/ign_collection-base.bat"
-                """.stripIndent())
-        }
-    }
-    Globals.gazebodistro_branch = false
-
-    // MAC Brew CI job
-    // --------------------------------------------------------------
-    def gz_brew_ci_job = job("ignition_${gz_collection_name}-ci-main-homebrew-amd64")
-    OSRFBrewCompilation.create(gz_brew_ci_job, DISABLE_TESTS)
-    OSRFGitHub.create(gz_brew_ci_job,
-                      "gazebosim/gz-${gz_collection_name}",
-                      "main",
-                      "ign-${gz_collection_name}")
-    gz_brew_ci_job.with
-    {
-        steps {
-          shell("""\
-                #!/bin/bash -xe
-
-                /bin/bash -xe
-                "./scripts/jenkins-scripts/lib/project-default-devel-homebrew-amd64.bash" "gz-${gz_collection_name}"
-                """.stripIndent())
-        }
-    }
-
-    // MAC Brew bottle install job
-    // --------------------------------------------------------------
-    def gz_brew_install_bottle_job = job("ignition_${gz_collection_name}-install_bottle-homebrew-amd64")
-    OSRFBrewInstall.create(gz_brew_install_bottle_job)
-
-    gz_brew_install_bottle_job.with
-    {
-      triggers {
-        cron('@daily')
-      }
-
-      def bottle_name = "ignition-${gz_collection_name}"
-
-      steps {
-       shell("""\
-             #!/bin/bash -xe
-
-             /bin/bash -x ./scripts/jenkins-scripts/lib/project-install-homebrew.bash ${bottle_name}
-             """.stripIndent())
-      }
-
-      publishers
-      {
-        configure { project ->
-          project / publishers << 'hudson.plugins.logparser.LogParserPublisher' {
-              unstableOnWarning true
-              failBuildOnError false
-              parsingRulesPath('/var/lib/jenkins/logparser_warn_on_mark_unstable')
-          }
-        }
-      }
-    }
   }
 }
 
diff --git a/jenkins-scripts/dsl/logs/generated_jobs.txt b/jenkins-scripts/dsl/logs/generated_jobs.txt
index bfbf662a7..a41368dcf 100644
--- a/jenkins-scripts/dsl/logs/generated_jobs.txt
+++ b/jenkins-scripts/dsl/logs/generated_jobs.txt
@@ -476,6 +476,8 @@ install_ci ionic gz_fuel_tools10-install-pkg-jammy-amd64
 install_ci ionic gz_fuel_tools10-install_bottle-homebrew-amd64
 install_ci ionic gz_gui9-install-pkg-jammy-amd64
 install_ci ionic gz_gui9-install_bottle-homebrew-amd64
+install_ci ionic gz_ionic-install-pkg-jammy-amd64
+install_ci ionic gz_ionic-install_bottle-homebrew-amd64
 install_ci ionic gz_launch8-install-pkg-jammy-amd64
 install_ci ionic gz_launch8-install_bottle-homebrew-amd64
 install_ci ionic gz_math8-install-pkg-jammy-amd64
diff --git a/jenkins-scripts/dsl/sdformat.dsl b/jenkins-scripts/dsl/sdformat.dsl
deleted file mode 100644
index 01f9803b9..000000000
--- a/jenkins-scripts/dsl/sdformat.dsl
+++ /dev/null
@@ -1,200 +0,0 @@
-import _configs_.*
-import javaposse.jobdsl.dsl.Job
-
-def sdformat_supported_versions = [ 'sdformat6' , 'sdformat9', 'sdformat12', 'sdformat13', 'sdformat14' ]
-def sdformat_gz11_versions = [ 'sdformat9', 'sdformat12', 'sdformat13', 'sdformat14', 'main' ]
-// nightly and prereleases
-def extra_sdformat_debbuilder = ['sdformat15']
-
-// Main platform using for quick CI
-def ci_distro               = Globals.get_ci_distro()
-def abi_distro              = Globals.get_abi_distro()
-// Other supported platform to be checked but no for quick
-// CI integration.
-def other_supported_distros = Globals.get_other_supported_distros()
-def all_supported_distros   = Globals.get_all_supported_distros()
-def supported_arches        = Globals.get_supported_arches()
-def experimental_arches     = Globals.get_experimental_arches()
-
-String ci_distro_str = ci_distro[0]
-
-// Need to be used in ci_pr
-String abi_job_name = ''
-
-// Helper function
-String get_sdformat_branch_name(String full_branch_name)
-{
-  String sdf_branch = full_branch_name.replace("ormat",'')
-
-  return sdf_branch
-}
-
-// ABI Checker job
-// Need to be the before ci-pr_any so the abi job name is defined
-abi_branches = sdformat_supported_versions.collect { it -> get_sdformat_branch_name(it) }
-abi_distro.each { distro ->
-  supported_arches.each { arch ->
-    abi_job_name = "sdformat-abichecker-any_to_any-ubuntu_auto-${arch}"
-    def abi_job = job(abi_job_name)
-    OSRFLinuxABIGitHub.create(abi_job)
-    GenericAnyJobGitHub.create(abi_job, 'gazebosim/sdformat', abi_branches)
-    abi_job.with
-    {
-      steps {
-        shell("""\
-              #!/bin/bash -xe
-
-              export DISTRO=${distro}
-
-              export ARCH=${arch}
-              export DEST_BRANCH=\${DEST_BRANCH:-\$ghprbTargetBranch}
-              export SRC_BRANCH=\${SRC_BRANCH:-\$ghprbSourceBranch}
-              export SRC_REPO=\${SRC_REPO:-\$ghprbAuthorRepoGitUrl}
-
-              /bin/bash -xe ./scripts/jenkins-scripts/docker/sdformat-abichecker.bash
-	      """.stripIndent())
-      } // end of steps
-    }  // end of with
-  } // end of arch
-} // end of distro
-
-void generate_asan_ci_job(sdformat_ci_job, version, distro, arch)
-{
-  generate_ci_job(sdformat_ci_job, version, distro, arch,
-                  '-DGZ_SANITIZER=Address',
-                  Globals.MAKETEST_SKIP_GZ,
-                  'export ASAN_OPTIONS=check_initialization_order=true:strict_init_order=true')
-}
-
-
-void generate_ci_job(sdformat_ci_job, version, distro, arch,
-                     extra_cmake = '', extra_test = '', extra_cmd = '')
-{
-  OSRFLinuxCompilation.create(sdformat_ci_job)
-  OSRFGitHub.create(sdformat_ci_job, "gazebosim/sdformat",
-                    get_sdformat_branch_name(version))
-  sdformat_ci_job.with
-  {
-    steps {
-      shell("""\
-      #!/bin/bash -xe
-
-      ${extra_cmd}
-      export BUILDING_EXTRA_CMAKE_PARAMS="${extra_cmake}"
-      export BUILDING_EXTRA_MAKETEST_PARAMS="${extra_test}"
-      export DISTRO=${distro}
-      export ARCH=${arch}
-      /bin/bash -xe ./scripts/jenkins-scripts/docker/sdformat-compilation.bash
-      """.stripIndent())
-    }
-  }
-}
-
-// BRANCHES CI JOB @ SCM
-sdformat_supported_versions.each { version ->
-  ci_distro.each { distro ->
-    supported_arches.each { arch ->
-      // ci_asan job for the rest of arches / scm@weekend
-      def sdformat_ci_asan_job = job("sdformat-ci_asan-${version}-${distro}-${arch}")
-      generate_asan_ci_job(sdformat_ci_asan_job, version, distro, arch)
-      sdformat_ci_asan_job.with
-      {
-        triggers {
-          scm(Globals.CRON_ON_WEEKEND)
-        }
-      }
-    }
-  }
-}
-
-// INSTALL LINUX -DEV PACKAGES ALL PLATFORMS @ CRON/DAILY
-sdformat_supported_versions.each { version ->
-  ci_distro.each { distro ->
-    supported_arches.each { arch ->
-      // --------------------------------------------------------------
-      def install_default_job = job("sdformat-install-${version}_pkg-${distro}-${arch}")
-      OSRFLinuxInstall.create(install_default_job)
-      install_default_job.with
-      {
-         triggers {
-           cron(Globals.CRON_EVERY_THREE_DAYS)
-         }
-
-         def dev_package = "lib${version}-dev"
-
-         steps {
-          shell("""\
-                #!/bin/bash -xe
-
-                export DISTRO=${distro}
-                export ARCH=${arch}
-                export INSTALL_JOB_PKG=${dev_package}
-                export GZDEV_PROJECT_NAME="${version}"
-                /bin/bash -x ./scripts/jenkins-scripts/docker/generic-install-test-job.bash
-                """.stripIndent())
-          }
-      } // end of with
-    } // end of arch
-  } // end of distro
-} // end of version
-
-// --------------------------------------------------------------
-// DEBBUILD: linux package builder
-
-all_debbuild_versions = sdformat_supported_versions + extra_sdformat_debbuilder
-all_debbuild_versions.each { version ->
-  def build_pkg_job = job("${version}-debbuilder")
-  OSRFLinuxBuildPkg.create(build_pkg_job)
-
-  extra_cmd_str = ""
-  if (version in sdformat_gz11_versions)
-     extra_cmd_str = "export NEED_C17_COMPILER=true"
-
-  build_pkg_job.with
-  {
-      steps {
-        shell("""\
-              #!/bin/bash -xe
-
-              ${extra_cmd_str}
-              export ENABLE_ROS=false
-              /bin/bash -x ./scripts/jenkins-scripts/docker/multidistribution-debbuild.bash
-              """.stripIndent())
-      }
-  }
-}
-
-// --------------------------------------------------------------
-// BREW: CI jobs
-
-// install jobs to test bottles
-sdformat_supported_versions.each { version ->
-  def install_default_job = job("${version}-install_bottle-homebrew-amd64")
-  OSRFBrewInstall.create(install_default_job)
-
-  install_default_job.with
-  {
-    triggers {
-      cron('@daily')
-    }
-
-    steps {
-     shell("""\
-           #!/bin/bash -xe
-
-           /bin/bash -x ./scripts/jenkins-scripts/lib/project-install-homebrew.bash ${version}
-           """.stripIndent())
-    }
-
-    publishers
-    {
-       configure { project ->
-         project / publishers << 'hudson.plugins.logparser.LogParserPublisher' {
-            unstableOnWarning true
-            failBuildOnError false
-            parsingRulesPath('/var/lib/jenkins/logparser_warn_on_mark_unstable')
-          }
-       }
-    }
-  }
-}
diff --git a/jenkins-scripts/tools/outdated-job-runner.groovy b/jenkins-scripts/tools/outdated-job-runner.groovy
index 7165da8d6..69e2ea469 100644
--- a/jenkins-scripts/tools/outdated-job-runner.groovy
+++ b/jenkins-scripts/tools/outdated-job-runner.groovy
@@ -88,8 +88,8 @@ long fourDaysAgoMillis = System.currentTimeMillis() - 4 * 24 * 60 * 60 * 1000; /
 Date fourDaysAgoDate = new Date(fourDaysAgoMillis);
 
 jenkinsJobs.getItems(Project).each { project ->
-    // Filter jobs that have not been updated in the last 8 days
-    if (!project.disabled && trackedJobs.contains(project.displayName) && project.lastBuild.getTime().before(fourDaysAgoDate)) {
+    // Filter jobs that have not been run in 4 days (or that have not yet run)
+    if (!project.disabled && trackedJobs.contains(project.displayName) && (project.lastBuild == null || project.lastBuild.getTime().before(fourDaysAgoDate))) {
         if (project.displayName.contains('homebrew')) {
             jobsToRun.osx << project.displayName
         } else if (project.displayName.contains('win')) {