diff --git a/Configuration/Eras/python/Era_Phase2C11T22M9_cff.py b/Configuration/Eras/python/Era_Phase2C11T22M9_cff.py
new file mode 100644
index 0000000000000..d6a43fa593508
--- /dev/null
+++ b/Configuration/Eras/python/Era_Phase2C11T22M9_cff.py
@@ -0,0 +1,7 @@
+import FWCore.ParameterSet.Config as cms
+
+from Configuration.Eras.Era_Phase2C11_cff import Phase2C11
+from Configuration.Eras.Modifier_phase2_squarePixels_cff import phase2_squarePixels
+from Configuration.Eras.Modifier_phase2_GE0_cff import phase2_GE0
+
+Phase2C11T22M9 = cms.ModifierChain(Phase2C11, phase2_squarePixels, phase2_GE0)
diff --git a/Configuration/Eras/python/Era_Phase2C11T23M9_cff.py b/Configuration/Eras/python/Era_Phase2C11T23M9_cff.py
new file mode 100644
index 0000000000000..804f27121b4ba
--- /dev/null
+++ b/Configuration/Eras/python/Era_Phase2C11T23M9_cff.py
@@ -0,0 +1,7 @@
+import FWCore.ParameterSet.Config as cms
+
+from Configuration.Eras.Era_Phase2C11_cff import Phase2C11
+from Configuration.Eras.Modifier_phase2_3DPixels_cff import phase2_3DPixels
+from Configuration.Eras.Modifier_phase2_GE0_cff import phase2_GE0
+
+Phase2C11T23M9 = cms.ModifierChain(Phase2C11, phase2_3DPixels, phase2_GE0)
diff --git a/Configuration/Geometry/README.md b/Configuration/Geometry/README.md
index acb51950850a4..d7183d29425d6 100644
--- a/Configuration/Geometry/README.md
+++ b/Configuration/Geometry/README.md
@@ -99,5 +99,7 @@ Several detector combinations have been generated:
 * D75 = T21+C14+M7+I13+O7+F6
 * D76 = T21+C14+M9+I13+O7+F6
 * D77 = T24+C14+M9+I13+O7+F6
+* D78 = T22+C14+M9+I13+O7+F6
+* D79 = T23+C14+M9+I13+O7+F6
 
 D49 is the HLT TDR baseline.
diff --git a/Configuration/Geometry/python/GeometryDD4hepExtended2026D78Reco_cff.py b/Configuration/Geometry/python/GeometryDD4hepExtended2026D78Reco_cff.py
new file mode 100644
index 0000000000000..4a15652363de3
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryDD4hepExtended2026D78Reco_cff.py
@@ -0,0 +1,59 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Configuration.Geometry.GeometryDD4hepExtended2026D78_cff import *
+
+# tracker
+from Geometry.CommonTopologies.globalTrackingGeometry_cfi import *
+from RecoTracker.GeometryESProducer.TrackerRecoGeometryESProducer_cfi import *
+from Geometry.TrackerGeometryBuilder.trackerParameters_cff import *
+from Geometry.TrackerNumberingBuilder.trackerTopology_cfi import *
+from Geometry.TrackerGeometryBuilder.idealForDigiTrackerGeometry_cff import *
+trackerGeometry.applyAlignment = cms.bool(False)
+
+# calo
+from Geometry.CaloEventSetup.HGCalV9Topology_cfi import *
+from Geometry.HGCalGeometry.HGCalGeometryESProducer_cfi import *
+from Geometry.CaloEventSetup.CaloTopology_cfi import *
+from Geometry.CaloEventSetup.CaloGeometryBuilder_cfi import *
+CaloGeometryBuilder = cms.ESProducer("CaloGeometryBuilder",
+    SelectedCalos = cms.vstring("HCAL",
+                                "ZDC",
+                                "EcalBarrel",
+                                "TOWER",
+                                "HGCalEESensitive",
+                                "HGCalHESiliconSensitive",
+                                "HGCalHEScintillatorSensitive"
+    )
+)
+from Geometry.EcalAlgo.EcalBarrelGeometry_cfi import *
+from Geometry.HcalEventSetup.HcalGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerTopology_cfi import *
+from Geometry.HcalCommonData.hcalDDDRecConstants_cfi import *
+from Geometry.HcalEventSetup.hcalTopologyIdeal_cfi import *
+from Geometry.CaloEventSetup.EcalTrigTowerConstituents_cfi import *
+from Geometry.EcalMapping.EcalMapping_cfi import *
+from Geometry.EcalMapping.EcalMappingRecord_cfi import *
+
+# muon
+from Geometry.MuonNumbering.muonNumberingInitialization_cfi import *
+from RecoMuon.DetLayers.muonDetLayerGeometry_cfi import *
+from Geometry.GEMGeometryBuilder.gemGeometry_cfi import *
+from Geometry.CSCGeometryBuilder.idealForDigiCscGeometry_cff import *
+from Geometry.DTGeometryBuilder.idealForDigiDtGeometry_cff import *
+
+# forward
+from Geometry.ForwardGeometry.ForwardGeometry_cfi import *
+
+# timing
+from RecoMTD.DetLayers.mtdDetLayerGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.mtdParameters_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
+from Geometry.MTDNumberingBuilder.mtdTopology_cfi import *
+from Geometry.MTDGeometryBuilder.mtdGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.idealForDigiMTDGeometry_cff import *
+mtdGeometry.applyAlignment = cms.bool(False)
+
diff --git a/Configuration/Geometry/python/GeometryDD4hepExtended2026D78_cff.py b/Configuration/Geometry/python/GeometryDD4hepExtended2026D78_cff.py
new file mode 100644
index 0000000000000..93f796743f7f0
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryDD4hepExtended2026D78_cff.py
@@ -0,0 +1,16 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Configuration.Geometry.GeometryDD4hep_cff import *
+DDDetectorESProducer.confGeomXMLFiles = cms.FileInPath("Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D78.xml")
+
+from Geometry.TrackerNumberingBuilder.trackerNumberingGeometry_cfi import *
+from Geometry.EcalCommonData.ecalSimulationParameters_cff import *
+from Geometry.HcalCommonData.hcalDDDSimConstants_cff import *
+from Geometry.HGCalCommonData.hgcalParametersInitialization_cfi import *
+from Geometry.HGCalCommonData.hgcalNumberingInitialization_cfi import *
+from Geometry.MuonNumbering.muonGeometryConstants_cff import *
+from Geometry.MuonNumbering.muonOffsetESProducer_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
diff --git a/Configuration/Geometry/python/GeometryDD4hepExtended2026D79Reco_cff.py b/Configuration/Geometry/python/GeometryDD4hepExtended2026D79Reco_cff.py
new file mode 100644
index 0000000000000..5746f21245a91
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryDD4hepExtended2026D79Reco_cff.py
@@ -0,0 +1,59 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Configuration.Geometry.GeometryDD4hepExtended2026D79_cff import *
+
+# tracker
+from Geometry.CommonTopologies.globalTrackingGeometry_cfi import *
+from RecoTracker.GeometryESProducer.TrackerRecoGeometryESProducer_cfi import *
+from Geometry.TrackerGeometryBuilder.trackerParameters_cff import *
+from Geometry.TrackerNumberingBuilder.trackerTopology_cfi import *
+from Geometry.TrackerGeometryBuilder.idealForDigiTrackerGeometry_cff import *
+trackerGeometry.applyAlignment = cms.bool(False)
+
+# calo
+from Geometry.CaloEventSetup.HGCalV9Topology_cfi import *
+from Geometry.HGCalGeometry.HGCalGeometryESProducer_cfi import *
+from Geometry.CaloEventSetup.CaloTopology_cfi import *
+from Geometry.CaloEventSetup.CaloGeometryBuilder_cfi import *
+CaloGeometryBuilder = cms.ESProducer("CaloGeometryBuilder",
+    SelectedCalos = cms.vstring("HCAL",
+                                "ZDC",
+                                "EcalBarrel",
+                                "TOWER",
+                                "HGCalEESensitive",
+                                "HGCalHESiliconSensitive",
+                                "HGCalHEScintillatorSensitive"
+    )
+)
+from Geometry.EcalAlgo.EcalBarrelGeometry_cfi import *
+from Geometry.HcalEventSetup.HcalGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerTopology_cfi import *
+from Geometry.HcalCommonData.hcalDDDRecConstants_cfi import *
+from Geometry.HcalEventSetup.hcalTopologyIdeal_cfi import *
+from Geometry.CaloEventSetup.EcalTrigTowerConstituents_cfi import *
+from Geometry.EcalMapping.EcalMapping_cfi import *
+from Geometry.EcalMapping.EcalMappingRecord_cfi import *
+
+# muon
+from Geometry.MuonNumbering.muonNumberingInitialization_cfi import *
+from RecoMuon.DetLayers.muonDetLayerGeometry_cfi import *
+from Geometry.GEMGeometryBuilder.gemGeometry_cfi import *
+from Geometry.CSCGeometryBuilder.idealForDigiCscGeometry_cff import *
+from Geometry.DTGeometryBuilder.idealForDigiDtGeometry_cff import *
+
+# forward
+from Geometry.ForwardGeometry.ForwardGeometry_cfi import *
+
+# timing
+from RecoMTD.DetLayers.mtdDetLayerGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.mtdParameters_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
+from Geometry.MTDNumberingBuilder.mtdTopology_cfi import *
+from Geometry.MTDGeometryBuilder.mtdGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.idealForDigiMTDGeometry_cff import *
+mtdGeometry.applyAlignment = cms.bool(False)
+
diff --git a/Configuration/Geometry/python/GeometryDD4hepExtended2026D79_cff.py b/Configuration/Geometry/python/GeometryDD4hepExtended2026D79_cff.py
new file mode 100644
index 0000000000000..4e9e4f72c1241
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryDD4hepExtended2026D79_cff.py
@@ -0,0 +1,16 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Configuration.Geometry.GeometryDD4hep_cff import *
+DDDetectorESProducer.confGeomXMLFiles = cms.FileInPath("Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D79.xml")
+
+from Geometry.TrackerNumberingBuilder.trackerNumberingGeometry_cfi import *
+from Geometry.EcalCommonData.ecalSimulationParameters_cff import *
+from Geometry.HcalCommonData.hcalDDDSimConstants_cff import *
+from Geometry.HGCalCommonData.hgcalParametersInitialization_cfi import *
+from Geometry.HGCalCommonData.hgcalNumberingInitialization_cfi import *
+from Geometry.MuonNumbering.muonGeometryConstants_cff import *
+from Geometry.MuonNumbering.muonOffsetESProducer_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
diff --git a/Configuration/Geometry/python/GeometryExtended2026D78Reco_cff.py b/Configuration/Geometry/python/GeometryExtended2026D78Reco_cff.py
new file mode 100644
index 0000000000000..a3d69d5167bca
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryExtended2026D78Reco_cff.py
@@ -0,0 +1,59 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Configuration.Geometry.GeometryExtended2026D78_cff import *
+
+# tracker
+from Geometry.CommonTopologies.globalTrackingGeometry_cfi import *
+from RecoTracker.GeometryESProducer.TrackerRecoGeometryESProducer_cfi import *
+from Geometry.TrackerGeometryBuilder.trackerParameters_cff import *
+from Geometry.TrackerNumberingBuilder.trackerTopology_cfi import *
+from Geometry.TrackerGeometryBuilder.idealForDigiTrackerGeometry_cff import *
+trackerGeometry.applyAlignment = cms.bool(False)
+
+# calo
+from Geometry.CaloEventSetup.HGCalV9Topology_cfi import *
+from Geometry.HGCalGeometry.HGCalGeometryESProducer_cfi import *
+from Geometry.CaloEventSetup.CaloTopology_cfi import *
+from Geometry.CaloEventSetup.CaloGeometryBuilder_cfi import *
+CaloGeometryBuilder = cms.ESProducer("CaloGeometryBuilder",
+    SelectedCalos = cms.vstring("HCAL",
+                                "ZDC",
+                                "EcalBarrel",
+                                "TOWER",
+                                "HGCalEESensitive",
+                                "HGCalHESiliconSensitive",
+                                "HGCalHEScintillatorSensitive"
+    )
+)
+from Geometry.EcalAlgo.EcalBarrelGeometry_cfi import *
+from Geometry.HcalEventSetup.HcalGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerTopology_cfi import *
+from Geometry.HcalCommonData.hcalDDDRecConstants_cfi import *
+from Geometry.HcalEventSetup.hcalTopologyIdeal_cfi import *
+from Geometry.CaloEventSetup.EcalTrigTowerConstituents_cfi import *
+from Geometry.EcalMapping.EcalMapping_cfi import *
+from Geometry.EcalMapping.EcalMappingRecord_cfi import *
+
+# muon
+from Geometry.MuonNumbering.muonNumberingInitialization_cfi import *
+from RecoMuon.DetLayers.muonDetLayerGeometry_cfi import *
+from Geometry.GEMGeometryBuilder.gemGeometry_cfi import *
+from Geometry.CSCGeometryBuilder.idealForDigiCscGeometry_cff import *
+from Geometry.DTGeometryBuilder.idealForDigiDtGeometry_cff import *
+
+# forward
+from Geometry.ForwardGeometry.ForwardGeometry_cfi import *
+
+# timing
+from RecoMTD.DetLayers.mtdDetLayerGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.mtdParameters_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
+from Geometry.MTDNumberingBuilder.mtdTopology_cfi import *
+from Geometry.MTDGeometryBuilder.mtdGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.idealForDigiMTDGeometry_cff import *
+mtdGeometry.applyAlignment = cms.bool(False)
+
diff --git a/Configuration/Geometry/python/GeometryExtended2026D78_cff.py b/Configuration/Geometry/python/GeometryExtended2026D78_cff.py
new file mode 100644
index 0000000000000..0c7535a9b8345
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryExtended2026D78_cff.py
@@ -0,0 +1,14 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Geometry.CMSCommonData.cmsExtendedGeometry2026D78XML_cfi import *
+from Geometry.TrackerNumberingBuilder.trackerNumberingGeometry_cfi import *
+from Geometry.EcalCommonData.ecalSimulationParameters_cff import *
+from Geometry.HcalCommonData.hcalDDDSimConstants_cff import *
+from Geometry.HGCalCommonData.hgcalParametersInitialization_cfi import *
+from Geometry.HGCalCommonData.hgcalNumberingInitialization_cfi import *
+from Geometry.MuonNumbering.muonGeometryConstants_cff import *
+from Geometry.MuonNumbering.muonOffsetESProducer_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
diff --git a/Configuration/Geometry/python/GeometryExtended2026D79Reco_cff.py b/Configuration/Geometry/python/GeometryExtended2026D79Reco_cff.py
new file mode 100644
index 0000000000000..feaaab90d27cf
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryExtended2026D79Reco_cff.py
@@ -0,0 +1,59 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Configuration.Geometry.GeometryExtended2026D79_cff import *
+
+# tracker
+from Geometry.CommonTopologies.globalTrackingGeometry_cfi import *
+from RecoTracker.GeometryESProducer.TrackerRecoGeometryESProducer_cfi import *
+from Geometry.TrackerGeometryBuilder.trackerParameters_cff import *
+from Geometry.TrackerNumberingBuilder.trackerTopology_cfi import *
+from Geometry.TrackerGeometryBuilder.idealForDigiTrackerGeometry_cff import *
+trackerGeometry.applyAlignment = cms.bool(False)
+
+# calo
+from Geometry.CaloEventSetup.HGCalV9Topology_cfi import *
+from Geometry.HGCalGeometry.HGCalGeometryESProducer_cfi import *
+from Geometry.CaloEventSetup.CaloTopology_cfi import *
+from Geometry.CaloEventSetup.CaloGeometryBuilder_cfi import *
+CaloGeometryBuilder = cms.ESProducer("CaloGeometryBuilder",
+    SelectedCalos = cms.vstring("HCAL",
+                                "ZDC",
+                                "EcalBarrel",
+                                "TOWER",
+                                "HGCalEESensitive",
+                                "HGCalHESiliconSensitive",
+                                "HGCalHEScintillatorSensitive"
+    )
+)
+from Geometry.EcalAlgo.EcalBarrelGeometry_cfi import *
+from Geometry.HcalEventSetup.HcalGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerGeometry_cfi import *
+from Geometry.HcalEventSetup.CaloTowerTopology_cfi import *
+from Geometry.HcalCommonData.hcalDDDRecConstants_cfi import *
+from Geometry.HcalEventSetup.hcalTopologyIdeal_cfi import *
+from Geometry.CaloEventSetup.EcalTrigTowerConstituents_cfi import *
+from Geometry.EcalMapping.EcalMapping_cfi import *
+from Geometry.EcalMapping.EcalMappingRecord_cfi import *
+
+# muon
+from Geometry.MuonNumbering.muonNumberingInitialization_cfi import *
+from RecoMuon.DetLayers.muonDetLayerGeometry_cfi import *
+from Geometry.GEMGeometryBuilder.gemGeometry_cfi import *
+from Geometry.CSCGeometryBuilder.idealForDigiCscGeometry_cff import *
+from Geometry.DTGeometryBuilder.idealForDigiDtGeometry_cff import *
+
+# forward
+from Geometry.ForwardGeometry.ForwardGeometry_cfi import *
+
+# timing
+from RecoMTD.DetLayers.mtdDetLayerGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.mtdParameters_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
+from Geometry.MTDNumberingBuilder.mtdTopology_cfi import *
+from Geometry.MTDGeometryBuilder.mtdGeometry_cfi import *
+from Geometry.MTDGeometryBuilder.idealForDigiMTDGeometry_cff import *
+mtdGeometry.applyAlignment = cms.bool(False)
+
diff --git a/Configuration/Geometry/python/GeometryExtended2026D79_cff.py b/Configuration/Geometry/python/GeometryExtended2026D79_cff.py
new file mode 100644
index 0000000000000..602856b757895
--- /dev/null
+++ b/Configuration/Geometry/python/GeometryExtended2026D79_cff.py
@@ -0,0 +1,14 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+from Geometry.CMSCommonData.cmsExtendedGeometry2026D79XML_cfi import *
+from Geometry.TrackerNumberingBuilder.trackerNumberingGeometry_cfi import *
+from Geometry.EcalCommonData.ecalSimulationParameters_cff import *
+from Geometry.HcalCommonData.hcalDDDSimConstants_cff import *
+from Geometry.HGCalCommonData.hgcalParametersInitialization_cfi import *
+from Geometry.HGCalCommonData.hgcalNumberingInitialization_cfi import *
+from Geometry.MuonNumbering.muonGeometryConstants_cff import *
+from Geometry.MuonNumbering.muonOffsetESProducer_cff import *
+from Geometry.MTDNumberingBuilder.mtdNumberingGeometry_cff import *
diff --git a/Configuration/Geometry/python/dict2026Geometry.py b/Configuration/Geometry/python/dict2026Geometry.py
index 619a1a1bbbf00..0678d0ecc90e1 100644
--- a/Configuration/Geometry/python/dict2026Geometry.py
+++ b/Configuration/Geometry/python/dict2026Geometry.py
@@ -1277,6 +1277,8 @@
     ("O7","T21","C14","M7","F6","I13") : "D75",
     ("O7","T21","C14","M9","F6","I13") : "D76",
     ("O7","T24","C14","M9","F6","I13") : "D77",
+    ("O7","T22","C14","M9","F6","I13") : "D78",
+    ("O7","T23","C14","M9","F6","I13") : "D79",
  }
 
 deprecatedDets = set([ "D1", "D2", "D3", "D5", "D6" , "D7", "D4", "D8" , "D9", "D12", "D13", "D15", "D10", "D11", "D14", "D16", "D17", "D18", "D19", "D20", "D21", "D22", "D23", "D24", "D25", "D26", "D27", "D28", "D29", "D30", "D31", "D32", "D33", "D34", "D36", "D37", "D38", "D39", "D40", "D42", "D35", "D41", "D43", "D44", "D45", "D46", "D48", "D47", "D51", "D52", "D53", "D54", "D55", "D56", "D57", "D58", "D59", "D61", "D62", "D63", "D73" ])
diff --git a/Configuration/PyReleaseValidation/python/relval_2026.py b/Configuration/PyReleaseValidation/python/relval_2026.py
index 1ce5372d72090..25af487902691 100644
--- a/Configuration/PyReleaseValidation/python/relval_2026.py
+++ b/Configuration/PyReleaseValidation/python/relval_2026.py
@@ -34,6 +34,8 @@
 numWFIB.extend([34234.0]) #2026D75
 numWFIB.extend([34634.0]) #2026D76
 numWFIB.extend([35034.0]) #2026D77
+numWFIB.extend([35434.0]) #2026D78
+numWFIB.extend([35834.0]) #2026D79
 
 for numWF in numWFIB:
     workflows[numWF] = _upgrade_workflows[numWF]
diff --git a/Configuration/PyReleaseValidation/python/upgradeWorkflowComponents.py b/Configuration/PyReleaseValidation/python/upgradeWorkflowComponents.py
index 6545432c743c3..b83c22ebcac66 100644
--- a/Configuration/PyReleaseValidation/python/upgradeWorkflowComponents.py
+++ b/Configuration/PyReleaseValidation/python/upgradeWorkflowComponents.py
@@ -58,6 +58,10 @@
     '2026D76PU',
     '2026D77',
     '2026D77PU',
+    '2026D78',
+    '2026D78PU',
+    '2026D79',
+    '2026D79PU',
 ]
 
 # pre-generation of WF numbers
@@ -1216,6 +1220,22 @@ def condition(self, fragment, stepList, key, hasHarvest):
         'Era' : 'Phase2C11M9',
         'ScenToRun' : ['GenSimHLBeamSpot','DigiTrigger','RecoGlobal', 'HARVESTGlobal'],
     },
+    '2026D78' : {
+        'Geom' : 'Extended2026D78', # N.B.: Geometry with square 50x50 um2 pixels in the Inner Tracker.
+        'HLTmenu': '@fake2',
+        'GT' : 'auto:phase2_realistic_T22',
+        'ProcessModifier': 'PixelCPEGeneric',   # This swaps template reco CPE for generic reco CPE
+        'Era' : 'Phase2C11T22M9', # customized for square pixels and Muon M9
+        'ScenToRun' : ['GenSimHLBeamSpot','DigiTrigger','RecoGlobal', 'HARVESTGlobal'],
+    },
+    '2026D79' : {
+        'Geom' : 'Extended2026D79', # N.B.: Geometry with 3D pixels in the Inner Tracker.
+        'HLTmenu': '@fake2',
+        'GT' : 'auto:phase2_realistic_T23',
+        'ProcessModifier': 'PixelCPEGeneric',   # This swaps template reco CPE for generic reco CPE
+        'Era' : 'Phase2C11T23M9', # customizes for 3D Pixels and Muon M9
+        'ScenToRun' : ['GenSimHLBeamSpot','DigiTrigger','RecoGlobal', 'HARVESTGlobal'],
+    },
 }
 
 # standard PU sequences
diff --git a/Configuration/StandardSequences/python/GeometryConf.py b/Configuration/StandardSequences/python/GeometryConf.py
index 9b8d1a9654e2b..da3db6f1b32f8 100644
--- a/Configuration/StandardSequences/python/GeometryConf.py
+++ b/Configuration/StandardSequences/python/GeometryConf.py
@@ -66,4 +66,6 @@
     'Extended2026D76' : 'Extended2026D76,Extended2026D76Reco',
     'Extended2026D77' : 'Extended2026D77,Extended2026D77Reco',
     'DD4hepExtended2026D77' : 'DD4hepExtended2026D77,DD4hepExtended2026D77Reco',
+    'Extended2026D78' : 'Extended2026D78,Extended2026D78Reco',
+    'Extended2026D79' : 'Extended2026D79,Extended2026D79Reco',
     }
diff --git a/Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D78.xml b/Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D78.xml
new file mode 100644
index 0000000000000..7b1f1d65d03e1
--- /dev/null
+++ b/Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D78.xml
@@ -0,0 +1,126 @@
+<?xml version="1.0"?>
+<DDDefinition>
+  <open_geometry/>
+  <close_geometry/>
+
+  <IncludeSection>
+    <Include ref='Geometry/CMSCommonData/data/materials/2021/v1/materials.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/rotations.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/extend/v2/cmsextent.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cavernData/2021/v1/cavernData.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cms/2026/v5/cms.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsMother.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/eta3/etaMax.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsTracker.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/caloBase/2026/v5/caloBase.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsCalo.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/muonBase/2026/v5/muonBase.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsMuon.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/mgnt.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/beampipe/2026/v3/beampipe.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsBeam/2026/v1/cmsBeam.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/muonMB.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/muonMagnet.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cavern/2021/v1/cavern.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cavernFloor/2017/v1/cavernFloor.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/trackerParameters.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/pixfwdCommon.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixfwd.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixbar.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/trackermaterial.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/otst.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker800_2020_07/tracker.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker615/pixel.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerbar.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerfwd.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerStructureTopology.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/InnerTracker621_50x50_2020_07/pixelStructureTopology.xml'/>
+    <Include ref='SimTracker/TrackerMaterialAnalysis/data/trackingMaterialGroups_ForPhaseII.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackersens.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/pixelsens.xml'/>
+    <Include ref='Geometry/TrackerRecoData/data/PhaseII/OuterTracker616_2020_04/trackerRecoMaterial.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackerProdCuts.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/pixelProdCuts.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/trackerProdCutsBEAM.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/eregalgo/2026/v2/eregalgo.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ectkcable/2026/v1/ectkcable.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ectkcablemat/2026/v1/ectkcablemat.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ebalgo.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ebcon.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ebrot.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalrotations.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcal/v2/hcalalgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalbarrelalgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalcablealgo/v2/hcalcablealgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalouteralgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalforwardalgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalSimNumbering/NoHE/hcalSimNumbering.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalRecNumbering/NoHE/hcalRecNumbering.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/average/hcalforwardmaterial.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalMaterial/v1/hgcalMaterial.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcal/v14/hgcal.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalcell/v9/hgcalcell.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalwafer/v9/hgcalwafer.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalEE/v14/hgcalEE.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalHEsil/v14/hgcalHEsil.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalHEmix/v14/hgcalHEmix.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalCons/v14/hgcalCons.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalConsData/v13/hgcalConsData.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mbCommon/2021/v1/mbCommon.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb1/2015/v2/mb1.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb2/2015/v2/mb2.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb3/2015/v2/mb3.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb4/2015/v2/mb4.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb4Shield/2021/v1/mb4Shield.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/muonYoke/2026/v1/muonYoke.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mf/2026/v7/mf.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/csc/2021/v2/csc.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/rpcf/2026/v3/rpcf.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/gemf/TDR_BaseLine/gemf.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/gem11/TDR_BaseLine/gem11.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/gem21/TDR_Eta16/gem21.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mfshield/2026/v5/mfshield.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/ge0/TDR_Dev/v3/ge0.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/forwardshield/2026/v4/forwardshield.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/brmrotations.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/brm/2026/v1/brm.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdcmaterials.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/lumimaterials.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdcrotations.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/lumirotations.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdc.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdclumi.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/cmszdc.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/mtdMaterial/v2/mtdMaterial.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/btl/v1/btl.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/etl/v5/etl.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/mtdParameters/v3/mtdStructureTopology.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/mtdParameters/v2/mtdParameters.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/muonNumbering/TDR_DeV/v3/muonNumbering.xml'/>
+    <Include ref='Geometry/EcalSimData/data/PhaseII/ecalsens.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalsens/NoHE/hcalsenspmf.xml'/>
+    <Include ref='Geometry/HcalSimData/data/hf.xml'/>
+    <Include ref='Geometry/HcalSimData/data/hfpmt.xml'/>
+    <Include ref='Geometry/HcalSimData/data/hffibrebundle.xml'/>
+    <Include ref='Geometry/HcalSimData/data/CaloUtil/2026/v2/CaloUtil.xml'/>
+    <Include ref='Geometry/HGCalSimData/data/hgcsensv9.xml'/>
+    <Include ref='Geometry/MuonSimData/data/PhaseII/v2/muonSens.xml'/>
+    <Include ref='Geometry/DTGeometryBuilder/data/dtSpecsFilter.xml'/>
+    <Include ref='Geometry/CSCGeometryBuilder/data/cscSpecsFilter.xml'/>
+    <Include ref='Geometry/CSCGeometryBuilder/data/cscSpecs.xml'/>
+    <Include ref='Geometry/RPCGeometryBuilder/data/2026/v1/RPCSpecs.xml'/>
+    <Include ref='Geometry/GEMGeometryBuilder/data/v12/GEMSpecsFilter.xml'/>
+    <Include ref='Geometry/GEMGeometryBuilder/data/v12/GEMSpecs.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/brmsens.xml'/>
+    <Include ref='Geometry/ForwardSimData/data/zdcsens.xml'/>
+    <Include ref='Geometry/MTDSimData/data/v2/mtdsens.xml'/>
+    <Include ref='Geometry/HcalSimData/data/HcalProdCuts/2021/v1/HcalProdCuts.xml'/>
+    <Include ref='Geometry/EcalSimData/data/EcalProdCuts.xml'/>
+    <Include ref='Geometry/HGCalSimData/data/hgcProdCutsv9.xml'/>
+    <Include ref='Geometry/MuonSimData/data/PhaseII/muonProdCuts.xml'/>
+    <Include ref='Geometry/ForwardSimData/data/zdcProdCuts.xml'/>
+    <Include ref='Geometry/ForwardSimData/data/ForwardShieldProdCuts.xml'/>
+    <Include ref='Geometry/MTDSimData/data/v2/mtdProdCuts.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/FieldParameters.xml'/>
+  </IncludeSection>
+</DDDefinition>
diff --git a/Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D79.xml b/Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D79.xml
new file mode 100644
index 0000000000000..9a3abbe4c62f6
--- /dev/null
+++ b/Geometry/CMSCommonData/data/dd4hep/cmsExtendedGeometry2026D79.xml
@@ -0,0 +1,125 @@
+<?xml version="1.0"?>
+<DDDefinition>
+  <open_geometry/>
+  <close_geometry/>
+
+  <IncludeSection>
+    <Include ref='Geometry/CMSCommonData/data/materials/2021/v1/materials.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/rotations.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/extend/v2/cmsextent.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cavernData/2021/v1/cavernData.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cms/2026/v5/cms.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsMother.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/eta3/etaMax.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsTracker.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/caloBase/2026/v5/caloBase.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsCalo.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/muonBase/2026/v5/muonBase.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsMuon.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/mgnt.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/beampipe/2026/v3/beampipe.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cmsBeam/2026/v1/cmsBeam.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/muonMB.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/muonMagnet.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cavern/2021/v1/cavern.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/cavernFloor/2017/v1/cavernFloor.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/trackerParameters.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/pixfwdCommon.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixfwd.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixbar.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/trackermaterial.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/otst.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/OuterTracker800_2020_07/tracker.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker700/pixel.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerbar.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerfwd.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerStructureTopology.xml'/>
+    <Include ref='Geometry/TrackerCommonData/data/PhaseII/TiltedTracker700/pixelStructureTopology.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackersens.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker700/pixelsens.xml'/>
+    <Include ref='Geometry/TrackerRecoData/data/PhaseII/TiltedTracker700/trackerRecoMaterial.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackerProdCuts.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/PhaseII/TiltedTracker700/pixelProdCuts.xml'/>
+    <Include ref='Geometry/TrackerSimData/data/trackerProdCutsBEAM.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/eregalgo/2026/v2/eregalgo.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ectkcable/2026/v1/ectkcable.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ectkcablemat/2026/v1/ectkcablemat.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ebalgo.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ebcon.xml'/>
+    <Include ref='Geometry/EcalCommonData/data/ebrot.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalrotations.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcal/v2/hcalalgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalbarrelalgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalcablealgo/v2/hcalcablealgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalouteralgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalforwardalgo.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalSimNumbering/NoHE/hcalSimNumbering.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalRecNumbering/NoHE/hcalRecNumbering.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/average/hcalforwardmaterial.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalMaterial/v1/hgcalMaterial.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcal/v14/hgcal.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalcell/v9/hgcalcell.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalwafer/v9/hgcalwafer.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalEE/v14/hgcalEE.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalHEsil/v14/hgcalHEsil.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalHEmix/v14/hgcalHEmix.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalCons/v14/hgcalCons.xml'/>
+    <Include ref='Geometry/HGCalCommonData/data/hgcalConsData/v13/hgcalConsData.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mbCommon/2021/v1/mbCommon.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb1/2015/v2/mb1.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb2/2015/v2/mb2.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb3/2015/v2/mb3.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb4/2015/v2/mb4.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mb4Shield/2021/v1/mb4Shield.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/muonYoke/2026/v1/muonYoke.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mf/2026/v7/mf.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/csc/2021/v2/csc.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/rpcf/2026/v3/rpcf.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/gemf/TDR_BaseLine/gemf.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/gem11/TDR_BaseLine/gem11.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/gem21/TDR_Eta16/gem21.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/mfshield/2026/v5/mfshield.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/ge0/TDR_Dev/v3/ge0.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/forwardshield/2026/v4/forwardshield.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/brmrotations.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/brm/2026/v1/brm.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdcmaterials.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/lumimaterials.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdcrotations.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/lumirotations.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdc.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/zdclumi.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/cmszdc.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/mtdMaterial/v2/mtdMaterial.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/btl/v1/btl.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/etl/v5/etl.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/mtdParameters/v3/mtdStructureTopology.xml'/>
+    <Include ref='Geometry/MTDCommonData/data/mtdParameters/v2/mtdParameters.xml'/>
+    <Include ref='Geometry/MuonCommonData/data/muonNumbering/TDR_DeV/v3/muonNumbering.xml'/>
+    <Include ref='Geometry/EcalSimData/data/PhaseII/ecalsens.xml'/>
+    <Include ref='Geometry/HcalCommonData/data/hcalsens/NoHE/hcalsenspmf.xml'/>
+    <Include ref='Geometry/HcalSimData/data/hf.xml'/>
+    <Include ref='Geometry/HcalSimData/data/hfpmt.xml'/>
+    <Include ref='Geometry/HcalSimData/data/hffibrebundle.xml'/>
+    <Include ref='Geometry/HcalSimData/data/CaloUtil/2026/v2/CaloUtil.xml'/>
+    <Include ref='Geometry/HGCalSimData/data/hgcsensv9.xml'/>
+    <Include ref='Geometry/MuonSimData/data/PhaseII/v2/muonSens.xml'/>
+    <Include ref='Geometry/DTGeometryBuilder/data/dtSpecsFilter.xml'/>
+    <Include ref='Geometry/CSCGeometryBuilder/data/cscSpecsFilter.xml'/>
+    <Include ref='Geometry/CSCGeometryBuilder/data/cscSpecs.xml'/>
+    <Include ref='Geometry/RPCGeometryBuilder/data/2026/v1/RPCSpecs.xml'/>
+    <Include ref='Geometry/GEMGeometryBuilder/data/v12/GEMSpecsFilter.xml'/>
+    <Include ref='Geometry/GEMGeometryBuilder/data/v12/GEMSpecs.xml'/>
+    <Include ref='Geometry/ForwardCommonData/data/brmsens.xml'/>
+    <Include ref='Geometry/ForwardSimData/data/zdcsens.xml'/>
+    <Include ref='Geometry/MTDSimData/data/v2/mtdsens.xml'/>
+    <Include ref='Geometry/HcalSimData/data/HcalProdCuts/2021/v1/HcalProdCuts.xml'/>
+    <Include ref='Geometry/EcalSimData/data/EcalProdCuts.xml'/>
+    <Include ref='Geometry/HGCalSimData/data/hgcProdCutsv9.xml'/>
+    <Include ref='Geometry/MuonSimData/data/PhaseII/muonProdCuts.xml'/>
+    <Include ref='Geometry/ForwardSimData/data/zdcProdCuts.xml'/>
+    <Include ref='Geometry/ForwardSimData/data/ForwardShieldProdCuts.xml'/>
+    <Include ref='Geometry/MTDSimData/data/v2/mtdProdCuts.xml'/>
+    <Include ref='Geometry/CMSCommonData/data/FieldParameters.xml'/>
+  </IncludeSection>
+</DDDefinition>
diff --git a/Geometry/CMSCommonData/python/cmsExtendedGeometry2026D78XML_cfi.py b/Geometry/CMSCommonData/python/cmsExtendedGeometry2026D78XML_cfi.py
new file mode 100644
index 0000000000000..4e70f291ef00c
--- /dev/null
+++ b/Geometry/CMSCommonData/python/cmsExtendedGeometry2026D78XML_cfi.py
@@ -0,0 +1,130 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+XMLIdealGeometryESSource = cms.ESSource("XMLIdealGeometryESSource",
+    geomXMLFiles = cms.vstring(
+        'Geometry/CMSCommonData/data/materials/2021/v1/materials.xml',
+        'Geometry/CMSCommonData/data/rotations.xml',
+        'Geometry/CMSCommonData/data/extend/v2/cmsextent.xml',
+        'Geometry/CMSCommonData/data/cavernData/2021/v1/cavernData.xml',
+        'Geometry/CMSCommonData/data/cms/2026/v5/cms.xml',
+        'Geometry/CMSCommonData/data/cmsMother.xml',
+        'Geometry/CMSCommonData/data/eta3/etaMax.xml',
+        'Geometry/CMSCommonData/data/cmsTracker.xml',
+        'Geometry/CMSCommonData/data/caloBase/2026/v5/caloBase.xml',
+        'Geometry/CMSCommonData/data/cmsCalo.xml',
+        'Geometry/CMSCommonData/data/muonBase/2026/v5/muonBase.xml',
+        'Geometry/CMSCommonData/data/cmsMuon.xml',
+        'Geometry/CMSCommonData/data/mgnt.xml',
+        'Geometry/CMSCommonData/data/beampipe/2026/v3/beampipe.xml',
+        'Geometry/CMSCommonData/data/cmsBeam/2026/v1/cmsBeam.xml',
+        'Geometry/CMSCommonData/data/muonMB.xml',
+        'Geometry/CMSCommonData/data/muonMagnet.xml',
+        'Geometry/CMSCommonData/data/cavern/2021/v1/cavern.xml',
+        'Geometry/CMSCommonData/data/cavernFloor/2017/v1/cavernFloor.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/trackerParameters.xml',
+        'Geometry/TrackerCommonData/data/pixfwdCommon.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixfwd.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixbar.xml',
+        'Geometry/TrackerCommonData/data/trackermaterial.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/otst.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker800_2020_07/tracker.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker615/pixel.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerbar.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerfwd.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerStructureTopology.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/InnerTracker621_50x50_2020_07/pixelStructureTopology.xml',
+        'SimTracker/TrackerMaterialAnalysis/data/trackingMaterialGroups_ForPhaseII.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackersens.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/pixelsens.xml',
+        'Geometry/TrackerRecoData/data/PhaseII/OuterTracker616_2020_04/trackerRecoMaterial.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackerProdCuts.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/pixelProdCuts.xml',
+        'Geometry/TrackerSimData/data/trackerProdCutsBEAM.xml',
+        'Geometry/EcalCommonData/data/eregalgo/2026/v2/eregalgo.xml',
+        'Geometry/EcalCommonData/data/ectkcable/2026/v1/ectkcable.xml',
+        'Geometry/EcalCommonData/data/ectkcablemat/2026/v1/ectkcablemat.xml',
+        'Geometry/EcalCommonData/data/ebalgo.xml',
+        'Geometry/EcalCommonData/data/ebcon.xml',
+        'Geometry/EcalCommonData/data/ebrot.xml',
+        'Geometry/HcalCommonData/data/hcalrotations.xml',
+        'Geometry/HcalCommonData/data/hcal/v2/hcalalgo.xml',
+        'Geometry/HcalCommonData/data/hcalbarrelalgo.xml',
+        'Geometry/HcalCommonData/data/hcalcablealgo/v2/hcalcablealgo.xml',
+        'Geometry/HcalCommonData/data/hcalouteralgo.xml',
+        'Geometry/HcalCommonData/data/hcalforwardalgo.xml',
+        'Geometry/HcalCommonData/data/hcalSimNumbering/NoHE/hcalSimNumbering.xml',
+        'Geometry/HcalCommonData/data/hcalRecNumbering/NoHE/hcalRecNumbering.xml',
+        'Geometry/HcalCommonData/data/average/hcalforwardmaterial.xml',
+        'Geometry/HGCalCommonData/data/hgcalMaterial/v1/hgcalMaterial.xml',
+        'Geometry/HGCalCommonData/data/hgcal/v14/hgcal.xml',
+        'Geometry/HGCalCommonData/data/hgcalcell/v9/hgcalcell.xml',
+        'Geometry/HGCalCommonData/data/hgcalwafer/v9/hgcalwafer.xml',
+        'Geometry/HGCalCommonData/data/hgcalEE/v14/hgcalEE.xml',
+        'Geometry/HGCalCommonData/data/hgcalHEsil/v14/hgcalHEsil.xml',
+        'Geometry/HGCalCommonData/data/hgcalHEmix/v14/hgcalHEmix.xml',
+        'Geometry/HGCalCommonData/data/hgcalCons/v14/hgcalCons.xml',
+        'Geometry/HGCalCommonData/data/hgcalConsData/v13/hgcalConsData.xml',
+        'Geometry/MuonCommonData/data/mbCommon/2021/v1/mbCommon.xml',
+        'Geometry/MuonCommonData/data/mb1/2015/v2/mb1.xml',
+        'Geometry/MuonCommonData/data/mb2/2015/v2/mb2.xml',
+        'Geometry/MuonCommonData/data/mb3/2015/v2/mb3.xml',
+        'Geometry/MuonCommonData/data/mb4/2015/v2/mb4.xml',
+        'Geometry/MuonCommonData/data/mb4Shield/2021/v1/mb4Shield.xml',
+        'Geometry/MuonCommonData/data/muonYoke/2026/v1/muonYoke.xml',
+        'Geometry/MuonCommonData/data/mf/2026/v7/mf.xml',
+        'Geometry/MuonCommonData/data/csc/2021/v2/csc.xml',
+        'Geometry/MuonCommonData/data/rpcf/2026/v3/rpcf.xml',
+        'Geometry/MuonCommonData/data/gemf/TDR_BaseLine/gemf.xml',
+        'Geometry/MuonCommonData/data/gem11/TDR_BaseLine/gem11.xml',
+        'Geometry/MuonCommonData/data/gem21/TDR_Eta16/gem21.xml',
+        'Geometry/MuonCommonData/data/mfshield/2026/v5/mfshield.xml',
+        'Geometry/MuonCommonData/data/ge0/TDR_Dev/v3/ge0.xml',
+        'Geometry/ForwardCommonData/data/forwardshield/2026/v4/forwardshield.xml',
+        'Geometry/ForwardCommonData/data/brmrotations.xml',
+        'Geometry/ForwardCommonData/data/brm/2026/v1/brm.xml',
+        'Geometry/ForwardCommonData/data/zdcmaterials.xml',
+        'Geometry/ForwardCommonData/data/lumimaterials.xml',
+        'Geometry/ForwardCommonData/data/zdcrotations.xml',
+        'Geometry/ForwardCommonData/data/lumirotations.xml',
+        'Geometry/ForwardCommonData/data/zdc.xml',
+        'Geometry/ForwardCommonData/data/zdclumi.xml',
+        'Geometry/ForwardCommonData/data/cmszdc.xml',
+        'Geometry/MTDCommonData/data/mtdMaterial/v2/mtdMaterial.xml',
+        'Geometry/MTDCommonData/data/btl/v1/btl.xml',
+        'Geometry/MTDCommonData/data/etl/v5/etl.xml',
+        'Geometry/MTDCommonData/data/mtdParameters/v3/mtdStructureTopology.xml',
+        'Geometry/MTDCommonData/data/mtdParameters/v2/mtdParameters.xml',
+    )+
+    cms.vstring(
+        'Geometry/MuonCommonData/data/muonNumbering/TDR_DeV/v3/muonNumbering.xml',
+        'Geometry/EcalSimData/data/PhaseII/ecalsens.xml',
+        'Geometry/HcalCommonData/data/hcalsens/NoHE/hcalsenspmf.xml',
+        'Geometry/HcalSimData/data/hf.xml',
+        'Geometry/HcalSimData/data/hfpmt.xml',
+        'Geometry/HcalSimData/data/hffibrebundle.xml',
+        'Geometry/HcalSimData/data/CaloUtil/2026/v2/CaloUtil.xml',
+        'Geometry/HGCalSimData/data/hgcsensv9.xml',
+        'Geometry/MuonSimData/data/PhaseII/v2/muonSens.xml',
+        'Geometry/DTGeometryBuilder/data/dtSpecsFilter.xml',
+        'Geometry/CSCGeometryBuilder/data/cscSpecsFilter.xml',
+        'Geometry/CSCGeometryBuilder/data/cscSpecs.xml',
+        'Geometry/RPCGeometryBuilder/data/2026/v1/RPCSpecs.xml',
+        'Geometry/GEMGeometryBuilder/data/v12/GEMSpecsFilter.xml',
+        'Geometry/GEMGeometryBuilder/data/v12/GEMSpecs.xml',
+        'Geometry/ForwardCommonData/data/brmsens.xml',
+        'Geometry/ForwardSimData/data/zdcsens.xml',
+        'Geometry/MTDSimData/data/v2/mtdsens.xml',
+        'Geometry/HcalSimData/data/HcalProdCuts/2021/v1/HcalProdCuts.xml',
+        'Geometry/EcalSimData/data/EcalProdCuts.xml',
+        'Geometry/HGCalSimData/data/hgcProdCutsv9.xml',
+        'Geometry/MuonSimData/data/PhaseII/muonProdCuts.xml',
+        'Geometry/ForwardSimData/data/zdcProdCuts.xml',
+        'Geometry/ForwardSimData/data/ForwardShieldProdCuts.xml',
+        'Geometry/MTDSimData/data/v2/mtdProdCuts.xml',
+        'Geometry/CMSCommonData/data/FieldParameters.xml',
+    ),
+    rootNodeName = cms.string('cms:OCMS')
+)
diff --git a/Geometry/CMSCommonData/python/cmsExtendedGeometry2026D79XML_cfi.py b/Geometry/CMSCommonData/python/cmsExtendedGeometry2026D79XML_cfi.py
new file mode 100644
index 0000000000000..fab1e30f6e900
--- /dev/null
+++ b/Geometry/CMSCommonData/python/cmsExtendedGeometry2026D79XML_cfi.py
@@ -0,0 +1,129 @@
+import FWCore.ParameterSet.Config as cms
+
+# This config was generated automatically using generate2026Geometry.py
+# If you notice a mistake, please update the generating script, not just this config
+
+XMLIdealGeometryESSource = cms.ESSource("XMLIdealGeometryESSource",
+    geomXMLFiles = cms.vstring(
+        'Geometry/CMSCommonData/data/materials/2021/v1/materials.xml',
+        'Geometry/CMSCommonData/data/rotations.xml',
+        'Geometry/CMSCommonData/data/extend/v2/cmsextent.xml',
+        'Geometry/CMSCommonData/data/cavernData/2021/v1/cavernData.xml',
+        'Geometry/CMSCommonData/data/cms/2026/v5/cms.xml',
+        'Geometry/CMSCommonData/data/cmsMother.xml',
+        'Geometry/CMSCommonData/data/eta3/etaMax.xml',
+        'Geometry/CMSCommonData/data/cmsTracker.xml',
+        'Geometry/CMSCommonData/data/caloBase/2026/v5/caloBase.xml',
+        'Geometry/CMSCommonData/data/cmsCalo.xml',
+        'Geometry/CMSCommonData/data/muonBase/2026/v5/muonBase.xml',
+        'Geometry/CMSCommonData/data/cmsMuon.xml',
+        'Geometry/CMSCommonData/data/mgnt.xml',
+        'Geometry/CMSCommonData/data/beampipe/2026/v3/beampipe.xml',
+        'Geometry/CMSCommonData/data/cmsBeam/2026/v1/cmsBeam.xml',
+        'Geometry/CMSCommonData/data/muonMB.xml',
+        'Geometry/CMSCommonData/data/muonMagnet.xml',
+        'Geometry/CMSCommonData/data/cavern/2021/v1/cavern.xml',
+        'Geometry/CMSCommonData/data/cavernFloor/2017/v1/cavernFloor.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/trackerParameters.xml',
+        'Geometry/TrackerCommonData/data/pixfwdCommon.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixfwd.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/pixbar.xml',
+        'Geometry/TrackerCommonData/data/trackermaterial.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker616_2020_04/otst.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/OuterTracker800_2020_07/tracker.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker700/pixel.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerbar.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerfwd.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker404/trackerStructureTopology.xml',
+        'Geometry/TrackerCommonData/data/PhaseII/TiltedTracker700/pixelStructureTopology.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackersens.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker700/pixelsens.xml',
+        'Geometry/TrackerRecoData/data/PhaseII/TiltedTracker700/trackerRecoMaterial.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker404/trackerProdCuts.xml',
+        'Geometry/TrackerSimData/data/PhaseII/TiltedTracker700/pixelProdCuts.xml',
+        'Geometry/TrackerSimData/data/trackerProdCutsBEAM.xml',
+        'Geometry/EcalCommonData/data/eregalgo/2026/v2/eregalgo.xml',
+        'Geometry/EcalCommonData/data/ectkcable/2026/v1/ectkcable.xml',
+        'Geometry/EcalCommonData/data/ectkcablemat/2026/v1/ectkcablemat.xml',
+        'Geometry/EcalCommonData/data/ebalgo.xml',
+        'Geometry/EcalCommonData/data/ebcon.xml',
+        'Geometry/EcalCommonData/data/ebrot.xml',
+        'Geometry/HcalCommonData/data/hcalrotations.xml',
+        'Geometry/HcalCommonData/data/hcal/v2/hcalalgo.xml',
+        'Geometry/HcalCommonData/data/hcalbarrelalgo.xml',
+        'Geometry/HcalCommonData/data/hcalcablealgo/v2/hcalcablealgo.xml',
+        'Geometry/HcalCommonData/data/hcalouteralgo.xml',
+        'Geometry/HcalCommonData/data/hcalforwardalgo.xml',
+        'Geometry/HcalCommonData/data/hcalSimNumbering/NoHE/hcalSimNumbering.xml',
+        'Geometry/HcalCommonData/data/hcalRecNumbering/NoHE/hcalRecNumbering.xml',
+        'Geometry/HcalCommonData/data/average/hcalforwardmaterial.xml',
+        'Geometry/HGCalCommonData/data/hgcalMaterial/v1/hgcalMaterial.xml',
+        'Geometry/HGCalCommonData/data/hgcal/v14/hgcal.xml',
+        'Geometry/HGCalCommonData/data/hgcalcell/v9/hgcalcell.xml',
+        'Geometry/HGCalCommonData/data/hgcalwafer/v9/hgcalwafer.xml',
+        'Geometry/HGCalCommonData/data/hgcalEE/v14/hgcalEE.xml',
+        'Geometry/HGCalCommonData/data/hgcalHEsil/v14/hgcalHEsil.xml',
+        'Geometry/HGCalCommonData/data/hgcalHEmix/v14/hgcalHEmix.xml',
+        'Geometry/HGCalCommonData/data/hgcalCons/v14/hgcalCons.xml',
+        'Geometry/HGCalCommonData/data/hgcalConsData/v13/hgcalConsData.xml',
+        'Geometry/MuonCommonData/data/mbCommon/2021/v1/mbCommon.xml',
+        'Geometry/MuonCommonData/data/mb1/2015/v2/mb1.xml',
+        'Geometry/MuonCommonData/data/mb2/2015/v2/mb2.xml',
+        'Geometry/MuonCommonData/data/mb3/2015/v2/mb3.xml',
+        'Geometry/MuonCommonData/data/mb4/2015/v2/mb4.xml',
+        'Geometry/MuonCommonData/data/mb4Shield/2021/v1/mb4Shield.xml',
+        'Geometry/MuonCommonData/data/muonYoke/2026/v1/muonYoke.xml',
+        'Geometry/MuonCommonData/data/mf/2026/v7/mf.xml',
+        'Geometry/MuonCommonData/data/csc/2021/v2/csc.xml',
+        'Geometry/MuonCommonData/data/rpcf/2026/v3/rpcf.xml',
+        'Geometry/MuonCommonData/data/gemf/TDR_BaseLine/gemf.xml',
+        'Geometry/MuonCommonData/data/gem11/TDR_BaseLine/gem11.xml',
+        'Geometry/MuonCommonData/data/gem21/TDR_Eta16/gem21.xml',
+        'Geometry/MuonCommonData/data/mfshield/2026/v5/mfshield.xml',
+        'Geometry/MuonCommonData/data/ge0/TDR_Dev/v3/ge0.xml',
+        'Geometry/ForwardCommonData/data/forwardshield/2026/v4/forwardshield.xml',
+        'Geometry/ForwardCommonData/data/brmrotations.xml',
+        'Geometry/ForwardCommonData/data/brm/2026/v1/brm.xml',
+        'Geometry/ForwardCommonData/data/zdcmaterials.xml',
+        'Geometry/ForwardCommonData/data/lumimaterials.xml',
+        'Geometry/ForwardCommonData/data/zdcrotations.xml',
+        'Geometry/ForwardCommonData/data/lumirotations.xml',
+        'Geometry/ForwardCommonData/data/zdc.xml',
+        'Geometry/ForwardCommonData/data/zdclumi.xml',
+        'Geometry/ForwardCommonData/data/cmszdc.xml',
+        'Geometry/MTDCommonData/data/mtdMaterial/v2/mtdMaterial.xml',
+        'Geometry/MTDCommonData/data/btl/v1/btl.xml',
+        'Geometry/MTDCommonData/data/etl/v5/etl.xml',
+        'Geometry/MTDCommonData/data/mtdParameters/v3/mtdStructureTopology.xml',
+        'Geometry/MTDCommonData/data/mtdParameters/v2/mtdParameters.xml',
+    )+
+    cms.vstring(
+        'Geometry/MuonCommonData/data/muonNumbering/TDR_DeV/v3/muonNumbering.xml',
+        'Geometry/EcalSimData/data/PhaseII/ecalsens.xml',
+        'Geometry/HcalCommonData/data/hcalsens/NoHE/hcalsenspmf.xml',
+        'Geometry/HcalSimData/data/hf.xml',
+        'Geometry/HcalSimData/data/hfpmt.xml',
+        'Geometry/HcalSimData/data/hffibrebundle.xml',
+        'Geometry/HcalSimData/data/CaloUtil/2026/v2/CaloUtil.xml',
+        'Geometry/HGCalSimData/data/hgcsensv9.xml',
+        'Geometry/MuonSimData/data/PhaseII/v2/muonSens.xml',
+        'Geometry/DTGeometryBuilder/data/dtSpecsFilter.xml',
+        'Geometry/CSCGeometryBuilder/data/cscSpecsFilter.xml',
+        'Geometry/CSCGeometryBuilder/data/cscSpecs.xml',
+        'Geometry/RPCGeometryBuilder/data/2026/v1/RPCSpecs.xml',
+        'Geometry/GEMGeometryBuilder/data/v12/GEMSpecsFilter.xml',
+        'Geometry/GEMGeometryBuilder/data/v12/GEMSpecs.xml',
+        'Geometry/ForwardCommonData/data/brmsens.xml',
+        'Geometry/ForwardSimData/data/zdcsens.xml',
+        'Geometry/MTDSimData/data/v2/mtdsens.xml',
+        'Geometry/HcalSimData/data/HcalProdCuts/2021/v1/HcalProdCuts.xml',
+        'Geometry/EcalSimData/data/EcalProdCuts.xml',
+        'Geometry/HGCalSimData/data/hgcProdCutsv9.xml',
+        'Geometry/MuonSimData/data/PhaseII/muonProdCuts.xml',
+        'Geometry/ForwardSimData/data/zdcProdCuts.xml',
+        'Geometry/ForwardSimData/data/ForwardShieldProdCuts.xml',
+        'Geometry/MTDSimData/data/v2/mtdProdCuts.xml',
+        'Geometry/CMSCommonData/data/FieldParameters.xml',
+    ),
+    rootNodeName = cms.string('cms:OCMS')
+)