diff --git a/.github/workflows/dependencies/hip.sh b/.github/workflows/dependencies/hip.sh
index bf15c2f7101..dac83f217b7 100755
--- a/.github/workflows/dependencies/hip.sh
+++ b/.github/workflows/dependencies/hip.sh
@@ -69,11 +69,6 @@ which clang++
 export CXX=$(which clang++)
 export CC=$(which clang)
 
-# "mpic++ --showme" forgets open-pal in Ubuntu 20.04 + OpenMPI 4.0.3
-#   https://bugs.launchpad.net/ubuntu/+source/openmpi/+bug/1941786
-#   https://github.com/open-mpi/ompi/issues/9317
-export LDFLAGS="-lopen-pal"
-
 # cmake-easyinstall
 #
 sudo curl -L -o /usr/local/bin/cmake-easyinstall https://raw.githubusercontent.com/ax3l/cmake-easyinstall/main/cmake-easyinstall
diff --git a/.github/workflows/hip.yml b/.github/workflows/hip.yml
index 6ab4e4a8401..23ef254a55a 100644
--- a/.github/workflows/hip.yml
+++ b/.github/workflows/hip.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_hip_3d_sp:
     name: HIP 3D SP
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       CXXFLAGS: "-Werror -Wno-deprecated-declarations -Wno-error=pass-failed"
       CMAKE_GENERATOR: Ninja
@@ -47,11 +47,6 @@ jobs:
         export CXX=$(which clang++)
         export CC=$(which clang)
 
-        # "mpic++ --showme" forgets open-pal in Ubuntu 20.04 + OpenMPI 4.0.3
-        #   https://bugs.launchpad.net/ubuntu/+source/openmpi/+bug/1941786
-        #   https://github.com/open-mpi/ompi/issues/9317
-        export LDFLAGS="-lopen-pal"
-
         cmake -S . -B build_sp \
           -DCMAKE_VERBOSE_MAKEFILE=ON \
           -DAMReX_AMD_ARCH=gfx900     \
@@ -74,7 +69,7 @@ jobs:
 
   build_hip_2d_dp:
     name: HIP 2D DP
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       CXXFLAGS: "-Werror -Wno-deprecated-declarations -Wno-error=pass-failed"
       CMAKE_GENERATOR: Ninja
@@ -106,11 +101,6 @@ jobs:
         export CXX=$(which clang++)
         export CC=$(which clang)
 
-        # "mpic++ --showme" forgets open-pal in Ubuntu 20.04 + OpenMPI 4.0.3
-        #   https://bugs.launchpad.net/ubuntu/+source/openmpi/+bug/1941786
-        #   https://github.com/open-mpi/ompi/issues/9317
-        export LDFLAGS="-lopen-pal"
-
         cmake -S . -B build_2d \
           -DCMAKE_VERBOSE_MAKEFILE=ON \
           -DAMReX_AMD_ARCH=gfx900     \
diff --git a/.github/workflows/insitu.yml b/.github/workflows/insitu.yml
index 50b482d28d3..5e343967362 100644
--- a/.github/workflows/insitu.yml
+++ b/.github/workflows/insitu.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   sensei:
     name: SENSEI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     env:
       CXX: clang++
@@ -41,7 +41,7 @@ jobs:
 
   ascent:
     name: Ascent
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     env:
       CXX: g++
diff --git a/.github/workflows/intel.yml b/.github/workflows/intel.yml
index 9b98c6e5990..648c61e1fd6 100644
--- a/.github/workflows/intel.yml
+++ b/.github/workflows/intel.yml
@@ -17,7 +17,7 @@ jobs:
 # intel-basekit intel-hpckit are too large in size
   build_icc:
     name: oneAPI ICC SP&DP
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     # For oneAPI, Ninja is slower than the default:
     #env:
@@ -78,7 +78,7 @@ jobs:
 
   build_icpx:
     name: oneAPI ICX SP
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     # Since 2021.4.0, AMReX_GpuUtility.H: error: comparison with NaN always evaluates to false in fast floating point modes
     # oneAPI 2022.2.0 hangs for -O2 and higher:
     #   https://github.com/ECP-WarpX/WarpX/issues/3442
@@ -143,7 +143,7 @@ jobs:
 
   build_dpcc:
     name: oneAPI DPC++ SP
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     # Since 2021.4.0, AMReX_GpuUtility.H: error: comparison with NaN always evaluates to false in fast floating point modes
     # oneAPI 2022.2.0 hangs for -O2 and higher:
     #   https://github.com/ECP-WarpX/WarpX/issues/3442
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index bbe20679781..c37f4bce41b 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_cxxminimal:
     name: GCC Minimal w/o MPI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     env:
       CXXFLAGS: "-Werror"
@@ -147,7 +147,7 @@ jobs:
 
   build_gcc_ablastr:
     name: GCC ABLASTR w/o MPI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     env:
       CMAKE_GENERATOR: Ninja
@@ -183,7 +183,7 @@ jobs:
 
   build_pyfull:
     name: Clang pywarpx
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     env:
       CC: clang
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index ae4843e0536..a02385e86c1 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -74,7 +74,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: '3.8'
+        python-version: '3.9'
     - uses: seanmiddleditch/gha-setup-ninja@master
     - name: CCache Cache
       uses: actions/cache@v4