From b558dd61330d038a2ee944e7575b6a9f1118c302 Mon Sep 17 00:00:00 2001
From: Wouter Deconinck <wdconinc@gmail.com>
Date: Tue, 3 Feb 2026 08:36:59 -0600
Subject: [PATCH 1/2] fix: Spack cherry-pick: dd4hep: add v1.35

---
 spack-packages.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spack-packages.sh b/spack-packages.sh
index 548cc7ef..1f8ede0a 100644
--- a/spack-packages.sh
+++ b/spack-packages.sh
@@ -40,6 +40,7 @@ b9ad19ee2ce47f8b7fbe187d41d898f873bbc121
 e87325e40627e4113c5e374f83e086f2421e005a
 a1437186c1d979ce112d52be178d0fb88b70f332
 cfa8d650480c409de2d568cf1355bf7e509f4c1c
+688d5e5e20fa9aa2647026143205c8aaa0625590
 ---
 ## Optional hash table with comma-separated file list
 ## For these commits, the cherry-pick will be restricted to the listed files only.
@@ -79,3 +80,4 @@ read -r -d '' SPACKPACKAGES_CHERRYPICKS_FILES <<- \
 ## e87325e40627e4113c5e374f83e086f2421e005a: acts: add v44.4.0
 ## a1437186c1d979ce112d52be178d0fb88b70f332: acts: narrow when range on podio when +edm4hep +examples
 ## cfa8d650480c409de2d568cf1355bf7e509f4c1c: dd4hep: Add version 1.34
+## 688d5e5e20fa9aa2647026143205c8aaa0625590: dd4hep: add v1.35

From 2dedb4137092a33534af420dd489e7f6926cc93f Mon Sep 17 00:00:00 2001
From: Wouter Deconinck <wdconinc@gmail.com>
Date: Tue, 3 Feb 2026 08:38:36 -0600
Subject: [PATCH 2/2] chore: dd4hep-1.35

---
 spack-environment/packages.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index 5a5899f7..7ffc5a77 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -111,7 +111,7 @@ packages:
     - '@1.16.2:'
   dd4hep:
     require:
-    - '@1.34'
+    - '@1.35'
     - +ddg4 +ddcad +edm4hep +hepmc3 +xercesc
     - any_of: [+ddeve +utilityapps, -ddeve -utilityapps] # FIXME ^root +x +opengl when +utilityapps
   dpmjet: