diff --git a/.github/workflows/build-push.yml b/.github/workflows/build-push.yml
index 4c102408..8f8d28cb 100644
--- a/.github/workflows/build-push.yml
+++ b/.github/workflows/build-push.yml
@@ -71,6 +71,7 @@ jobs:
           PLATFORM: linux/arm64
           runner: ubuntu-24.04-arm
           arch: arm64
+      fail-fast: false
     steps:
       - name: Checkout 
         uses: actions/checkout@v4
@@ -297,6 +298,7 @@ jobs:
         - arch: arm64
           runner: ubuntu-24.04-arm
           PLATFORM: linux/arm64
+      fail-fast: false
     steps:
       - name: Free Disk Space (Ubuntu)
         uses: jlumbroso/free-disk-space@v1.3.1
diff --git a/spack-environment/ci/epic/spack.yaml b/spack-environment/ci/epic/spack.yaml
index 7957e2c4..de6f5202 100644
--- a/spack-environment/ci/epic/spack.yaml
+++ b/spack-environment/ci/epic/spack.yaml
@@ -5,6 +5,10 @@ spack:
   - ../../view.yaml
   include_concrete:
   - /opt/spack-environment/ci
+  packages:
+    geant4:
+      require:
+      - ~opengl
   specs:
   - algorithms
   - edm4eic
diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index 7b5be222..6b622cb6 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -11,7 +11,12 @@
 #
 packages:
   all:
-    require:
+    prefer: # is not overwritten below, but less strict than require
+    - '%gcc'
+    - +ipo
+    - build_system=cmake
+    - build_type=Release
+    require: # is overwritten by package-specific requirements below
     - '%gcc'
     - any_of: [+ipo, '@:']
     - any_of: [build_system=cmake, '@:']
@@ -96,9 +101,9 @@ packages:
     - '@1.16.2:'
   dd4hep:
     require:
-    - '%gcc'
+    # ACTS requires same compiler as DD4hep since compiler options are reused
     - '@1.33'
-    - +ddg4 +ddcad +hepmc3 +xercesc
+    - +ddg4 +ddcad +edm4hep +hepmc3 +xercesc
     - any_of: [+ddeve +utilityapps, -ddeve -utilityapps] # FIXME ^root +x +opengl when +utilityapps
   dpmjet:
     require:
@@ -341,6 +346,9 @@ packages:
   py-awkward:
     require:
     - '@2.6.6:'
+  py-beautifulsoup4:
+    require:
+    - '@4.12:'
   py-bokeh:
     require:
     - '@3.5.2:'
@@ -378,6 +386,9 @@ packages:
   py-jsonschema:
     require:
     - +format-nongpl # non-default required for jupyter stack
+  py-jupyterlab:
+    require:
+    - '@4.3.5:'
   py-keras:
     require:
     - '@3.12:'
@@ -436,6 +447,9 @@ packages:
   py-pyyaml:
     require:
     - '@6.0.2:'
+  py-rich:
+    require:
+    - '@13:'
   py-rucio-clients:
     require:
     - '@37.3.0:'
diff --git a/spack-environment/xl/epic/spack.yaml b/spack-environment/xl/epic/spack.yaml
index 677c338d..1e5d7f5d 100644
--- a/spack-environment/xl/epic/spack.yaml
+++ b/spack-environment/xl/epic/spack.yaml
@@ -7,6 +7,10 @@ spack:
   - /opt/spack-environment/xl
   concretizer:
     unify: when_possible # multiple epic versions
+  packages:
+    geant4:
+      require:
+      - +opengl
   specs:
   - algorithms
   - edm4eic