diff --git a/.github/workflows/ax.yml b/.github/workflows/ax.yml
index 584eafca64..60554cb38d 100644
--- a/.github/workflows/ax.yml
+++ b/.github/workflows/ax.yml
@@ -1,167 +1,167 @@
 
-name: AX
+# name: AX
 
-on:
-  push:
-    branches:
-      - 'master'
-      - 'feature/**'
-      - 'pr/**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'nanovdb/**'
-      - 'openvdb_maya/**'
-      - 'openvdb_houdini/**'
-      - 'fvdb/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'nanovdb/**'
-      - 'openvdb_maya/**'
-      - 'openvdb_houdini/**'
-      - 'fvdb/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  schedule:
-    # run this workflow every day 7am UTC
-    - cron:  '0 7 * * *'
-  workflow_dispatch:
-    inputs:
-      type:
-        description: 'The type of CI to run (all, mac, linux, grammar)'
-        required: true
-        default: 'all'
+# on:
+#   push:
+#     branches:
+#       - 'master'
+#       - 'feature/**'
+#       - 'pr/**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'nanovdb/**'
+#       - 'openvdb_maya/**'
+#       - 'openvdb_houdini/**'
+#       - 'fvdb/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   pull_request:
+#     branches:
+#       - '**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'nanovdb/**'
+#       - 'openvdb_maya/**'
+#       - 'openvdb_houdini/**'
+#       - 'fvdb/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   schedule:
+#     # run this workflow every day 7am UTC
+#     - cron:  '0 7 * * *'
+#   workflow_dispatch:
+#     inputs:
+#       type:
+#         description: 'The type of CI to run (all, mac, linux, grammar)'
+#         required: true
+#         default: 'all'
 
-# Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
+# # Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
+# concurrency:
+#   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+#   cancel-in-progress: true
 
-defaults:
-  run:
-    shell: bash
+# defaults:
+#   run:
+#     shell: bash
 
-jobs:
-  linux-ax:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'linux'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
-    name: >
-      linux-ax:${{ matrix.config.image }}-cxx:${{ matrix.config.cxx }}-${{ matrix.config.build }}
-    container:
-      image: aswf/ci-openvdb:${{ matrix.config.image }}
-    env:
-      CXX: ${{ matrix.config.cxx }}
-      CCACHE_DIR: /tmp/ccache
-    strategy:
-      matrix:
-        # Only test unified builds (core+ax). weekly CI should test standalone
-        config:
-          - { image: '2023-clang15', cxx: 'clang++', build: 'Release', cmake: '' }
-          - { image: '2023-clang15', cxx: 'g++',     build: 'Release', cmake: '' }
-          - { image: '2023-clang15', cxx: 'clang++', build: 'Debug',   cmake: '' }
-          - { image: '2022-clang11', cxx: 'clang++', build: 'Release', cmake: '' }
-          - { image: '2022-clang11', cxx: 'g++',     build: 'Release', cmake: '' }
-          - { image: '2021-clang10', cxx: 'clang++', build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
-          - { image: '2021-clang10', cxx: 'g++',     build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v3
-      - name: pybind11
-        #if: contains(matrix.config.image, '2023') == false
-        run: ./ci/install_pybind11.sh 2.10.0
-      - name: timestamp
-        id: timestamp
-        run: echo "timestamp=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
-      - name: ccache
-        # don't use ccache for debug builds
-        if: matrix.config.build == 'Release'
-        id: ccache
-        uses: actions/cache@v3
-        with:
-          path: /tmp/ccache
-          key: linux-ax${{ matrix.config.image }}-${{ matrix.config.cxx }}-${{ steps.timestamp.outputs.timestamp }}
-          restore-keys: linux-ax${{ matrix.config.image }}-${{ matrix.config.cxx }}-
-      - name: build
-        run: >
-          ./ci/build.sh -v
-          --build-type=${{ matrix.config.build }}
-          --components='core,python,bin,axcore,axbin,axtest'
-          --cargs=\"
-          ${{ matrix.config.cmake }}
-          -DOPENVDB_AX_TEST_CMD_DOWNLOADS=ON
-          -DUSE_EXPLICIT_INSTANTIATION=OFF
-          -DOPENVDB_CXX_STRICT=ON
-          \"
-      - name: test
-        run: cd build && ctest -V
-      - name: test_doxygen_examples
-        run: ./ci/extract_test_examples.sh
-      # Keep ccache light by stripping out any caches not accessed in the last day
-      - name: ccache_clean
-        if: matrix.config.build == 'Release'
-        run: ccache --evict-older-than 1d
+# jobs:
+#   linux-ax:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'linux'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
+#     name: >
+#       linux-ax:${{ matrix.config.image }}-cxx:${{ matrix.config.cxx }}-${{ matrix.config.build }}
+#     container:
+#       image: aswf/ci-openvdb:${{ matrix.config.image }}
+#     env:
+#       CXX: ${{ matrix.config.cxx }}
+#       CCACHE_DIR: /tmp/ccache
+#     strategy:
+#       matrix:
+#         # Only test unified builds (core+ax). weekly CI should test standalone
+#         config:
+#           - { image: '2023-clang15', cxx: 'clang++', build: 'Release', cmake: '' }
+#           - { image: '2023-clang15', cxx: 'g++',     build: 'Release', cmake: '' }
+#           - { image: '2023-clang15', cxx: 'clang++', build: 'Debug',   cmake: '' }
+#           - { image: '2022-clang11', cxx: 'clang++', build: 'Release', cmake: '' }
+#           - { image: '2022-clang11', cxx: 'g++',     build: 'Release', cmake: '' }
+#           - { image: '2021-clang10', cxx: 'clang++', build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
+#           - { image: '2021-clang10', cxx: 'g++',     build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
+#       fail-fast: false
+#     steps:
+#       - uses: actions/checkout@v3
+#       - name: pybind11
+#         #if: contains(matrix.config.image, '2023') == false
+#         run: ./ci/install_pybind11.sh 2.10.0
+#       - name: timestamp
+#         id: timestamp
+#         run: echo "timestamp=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+#       - name: ccache
+#         # don't use ccache for debug builds
+#         if: matrix.config.build == 'Release'
+#         id: ccache
+#         uses: actions/cache@v3
+#         with:
+#           path: /tmp/ccache
+#           key: linux-ax${{ matrix.config.image }}-${{ matrix.config.cxx }}-${{ steps.timestamp.outputs.timestamp }}
+#           restore-keys: linux-ax${{ matrix.config.image }}-${{ matrix.config.cxx }}-
+#       - name: build
+#         run: >
+#           ./ci/build.sh -v
+#           --build-type=${{ matrix.config.build }}
+#           --components='core,python,bin,axcore,axbin,axtest'
+#           --cargs=\"
+#           ${{ matrix.config.cmake }}
+#           -DOPENVDB_AX_TEST_CMD_DOWNLOADS=ON
+#           -DUSE_EXPLICIT_INSTANTIATION=OFF
+#           -DOPENVDB_CXX_STRICT=ON
+#           \"
+#       - name: test
+#         run: cd build && ctest -V
+#       - name: test_doxygen_examples
+#         run: ./ci/extract_test_examples.sh
+#       # Keep ccache light by stripping out any caches not accessed in the last day
+#       - name: ccache_clean
+#         if: matrix.config.build == 'Release'
+#         run: ccache --evict-older-than 1d
 
-  macos-ax:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'mac'
-    runs-on: ${{ matrix.config.runner }}
-    name: macos-cxx:${{ matrix.config.cxx }}-llvm:${{ matrix.config.llvm }}-${{ matrix.config.build }}
-    env:
-      CXX: ${{ matrix.config.cxx }}
-    strategy:
-      matrix:
-        config:
-          #@note llvm10 never got its own brew formula...
-          - { runner: 'macos-latest', cxx: 'clang++', build: 'Release', llvm: '11' }
-          - { runner: 'macos-latest', cxx: 'clang++', build: 'Release', llvm: '12' }
-          - { runner: 'macos-latest', cxx: 'clang++', build: 'Release', llvm: '13' }
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v3
-      - name: install_deps
-        run: ./ci/install_macos.sh ${{ matrix.config.llvm }}
-      - name: build
-        run: >
-          ./ci/build.sh -v
-          --build-type=${{ matrix.config.build }}
-          --components="core,python,bin,axcore,axbin,axtest"
-          --cargs=\"
-          -DOPENVDB_AX_TEST_CMD_DOWNLOADS=ON
-          -DUSE_EXPLICIT_INSTANTIATION=OFF
-          -DLLVM_DIR=/usr/local/opt/llvm@${{ matrix.config.llvm }}/lib/cmake/llvm
-          \"
-      - name: test
-        run: cd build && ctest -V
-      - name: test_doxygen_examples
-        run: ./ci/extract_test_examples.sh
+#   macos-ax:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'mac'
+#     runs-on: ${{ matrix.config.runner }}
+#     name: macos-cxx:${{ matrix.config.cxx }}-llvm:${{ matrix.config.llvm }}-${{ matrix.config.build }}
+#     env:
+#       CXX: ${{ matrix.config.cxx }}
+#     strategy:
+#       matrix:
+#         config:
+#           #@note llvm10 never got its own brew formula...
+#           - { runner: 'macos-latest', cxx: 'clang++', build: 'Release', llvm: '11' }
+#           - { runner: 'macos-latest', cxx: 'clang++', build: 'Release', llvm: '12' }
+#           - { runner: 'macos-latest', cxx: 'clang++', build: 'Release', llvm: '13' }
+#       fail-fast: false
+#     steps:
+#       - uses: actions/checkout@v3
+#       - name: install_deps
+#         run: ./ci/install_macos.sh ${{ matrix.config.llvm }}
+#       - name: build
+#         run: >
+#           ./ci/build.sh -v
+#           --build-type=${{ matrix.config.build }}
+#           --components="core,python,bin,axcore,axbin,axtest"
+#           --cargs=\"
+#           -DOPENVDB_AX_TEST_CMD_DOWNLOADS=ON
+#           -DUSE_EXPLICIT_INSTANTIATION=OFF
+#           -DLLVM_DIR=/usr/local/opt/llvm@${{ matrix.config.llvm }}/lib/cmake/llvm
+#           \"
+#       - name: test
+#         run: cd build && ctest -V
+#       - name: test_doxygen_examples
+#         run: ./ci/extract_test_examples.sh
 
-  gen-grammar:
-    if: |
-      github.event_name == 'workflow_dispatch' &&
-      github.event.inputs.type == 'grammar'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
-    container:
-      image: aswf/ci-openvdb:2022-clang11
-    steps:
-    - uses: actions/checkout@v3
-    - name: build
-      run: ./ci/build.sh -v --components=axgr --target=openvdb_ax_grammar --cargs=\"-DOPENVDB_AX_GRAMMAR_NO_LINES=ON\"
-    - name: upload grammar
-      uses: actions/upload-artifact@v2
-      with:
-        name: ax_grammar
-        path: ./build/openvdb_ax/openvdb_ax/openvdb_ax/grammar
-        retention-days: 5
+#   gen-grammar:
+#     if: |
+#       github.event_name == 'workflow_dispatch' &&
+#       github.event.inputs.type == 'grammar'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
+#     container:
+#       image: aswf/ci-openvdb:2022-clang11
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: build
+#       run: ./ci/build.sh -v --components=axgr --target=openvdb_ax_grammar --cargs=\"-DOPENVDB_AX_GRAMMAR_NO_LINES=ON\"
+#     - name: upload grammar
+#       uses: actions/upload-artifact@v2
+#       with:
+#         name: ax_grammar
+#         path: ./build/openvdb_ax/openvdb_ax/openvdb_ax/grammar
+#         retention-days: 5
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a702205130..6d155cfa86 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,204 +1,204 @@
 
-name: Build
+# name: Build
 
-on:
-  push:
-    branches:
-      - 'master'
-      - 'feature/**'
-      - 'pr/**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'openvdb_maya/**'
-      - 'openvdb_houdini/**'
-      - 'openvdb_ax/**'
-      - 'nanovdb/**'
-      - 'fvdb/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'openvdb_maya/**'
-      - 'openvdb_houdini/**'
-      - 'openvdb_ax/**'
-      - 'nanovdb/**'
-      - 'fvdb/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  schedule:
-    # run this workflow every day at 7am UTC except Monday
-    - cron:  '0 7 * * 0,2-6'
-    # run this workflow Monday 7am UTC
-    # warning: This pattern is checked in various places below
-    - cron:  '0 7 * * 1'
-  workflow_dispatch:
-    inputs:
-      type:
-        description: 'The type of CI to run (all, linux, win, mac)'
-        required: true
-        default: 'all'
+# on:
+#   push:
+#     branches:
+#       - 'master'
+#       - 'feature/**'
+#       - 'pr/**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'openvdb_maya/**'
+#       - 'openvdb_houdini/**'
+#       - 'openvdb_ax/**'
+#       - 'nanovdb/**'
+#       - 'fvdb/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   pull_request:
+#     branches:
+#       - '**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'openvdb_maya/**'
+#       - 'openvdb_houdini/**'
+#       - 'openvdb_ax/**'
+#       - 'nanovdb/**'
+#       - 'fvdb/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   schedule:
+#     # run this workflow every day at 7am UTC except Monday
+#     - cron:  '0 7 * * 0,2-6'
+#     # run this workflow Monday 7am UTC
+#     # warning: This pattern is checked in various places below
+#     - cron:  '0 7 * * 1'
+#   workflow_dispatch:
+#     inputs:
+#       type:
+#         description: 'The type of CI to run (all, linux, win, mac)'
+#         required: true
+#         default: 'all'
 
-# Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
+# # Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
+# concurrency:
+#   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+#   cancel-in-progress: true
 
-defaults:
-  run:
-    shell: bash
+# defaults:
+#   run:
+#     shell: bash
 
-jobs:
-  linux-vfx:
-    # VFX platform jobs. These are run on the appropriate CentOS images from
-    # the provided ASWF docker containers
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'linux'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
-    name: >
-      linux-vfx:${{ matrix.config.image }}-
-      abi:${{ matrix.config.abi }}-
-      cxx:${{ matrix.config.cxx }}-
-      type:${{ matrix.config.build }}
-    container:
-      image: aswf/ci-openvdb:${{ matrix.config.image }}
-    env:
-      CXX: ${{ matrix.config.cxx }}
-      CCACHE_DIR: /tmp/ccache
-    strategy:
-      matrix:
-        config:
-          # @note  we specifically use clang15.0 (not clang15) here as the newest
-          #  versions of the clang15.X containers have some issues with the GLFW
-          #  installation
-          - { cxx: clang++, image: '2023-clang15.0', abi: '11', build: 'Release', cmake: '' }
-          - { cxx: g++,     image: '2023-clang15.0', abi: '11', build: 'Release', cmake: '' }
-          - { cxx: clang++, image: '2022-clang11',   abi: '11', build: 'Debug',   cmake: '' }
-          - { cxx: clang++, image: '2022-clang11',   abi: '10', build: 'Release', cmake: '' }
-          - { cxx: g++,     image: '2022-clang11',   abi: '10', build: 'Release', cmake: '' }
-          - { cxx: clang++, image: '2022-clang11',   abi: '9',  build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
-          - { cxx: g++,     image: '2022-clang11',   abi: '9',  build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
-      fail-fast: false
-    steps:
-    - uses: actions/checkout@v3
-    - name: pybind11
-      #if: contains(matrix.config.image, '2023') == false
-      run: ./ci/install_pybind11.sh 2.10.0
-    - name: timestamp
-      id: timestamp
-      run: echo "timestamp=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
-    - name: ccache
-      # don't use ccache for debug builds
-      if: matrix.config.build == 'Release'
-      id: ccache
-      uses: actions/cache@v3
-      with:
-        path: /tmp/ccache
-        key: linux-vfx${{ matrix.config.image }}-abi${{ matrix.config.abi }}-${{ matrix.config.cxx }}-${{ steps.timestamp.outputs.timestamp }}
-        restore-keys: linux-vfx${{ matrix.config.image }}-abi${{ matrix.config.abi }}-${{ matrix.config.cxx }}-
-    - name: build
-      run: >
-        ./ci/build.sh -v
-        --build-type=${{ matrix.config.build }}
-        --components=\"core,python,bin,view,render,test\"
-        --cargs=\"
-        ${{ matrix.config.cmake }}
-        -DOPENVDB_CXX_STRICT=ON
-        -DOPENVDB_ABI_VERSION_NUMBER=${{ matrix.config.abi }}
-        \"
-    - name: test
-      # Always run tests on weekly builds but skip Debug on commits as they take a while.
-      # https://github.community/t/distinct-job-for-each-schedule/17811/2
-      if: contains(github.event.schedule, '0 7 * * 1') || matrix.config.build == 'Release'
-      run: |
-        cd build && ctest -V
-        cd - && ./ci/test_install.sh
-    # Keep ccache light by stripping out any caches not accessed in the last day
-    - name: ccache_clean
-      if: matrix.config.build == 'Release'
-      run: ccache --evict-older-than 1d
+# jobs:
+#   linux-vfx:
+#     # VFX platform jobs. These are run on the appropriate CentOS images from
+#     # the provided ASWF docker containers
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'linux'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
+#     name: >
+#       linux-vfx:${{ matrix.config.image }}-
+#       abi:${{ matrix.config.abi }}-
+#       cxx:${{ matrix.config.cxx }}-
+#       type:${{ matrix.config.build }}
+#     container:
+#       image: aswf/ci-openvdb:${{ matrix.config.image }}
+#     env:
+#       CXX: ${{ matrix.config.cxx }}
+#       CCACHE_DIR: /tmp/ccache
+#     strategy:
+#       matrix:
+#         config:
+#           # @note  we specifically use clang15.0 (not clang15) here as the newest
+#           #  versions of the clang15.X containers have some issues with the GLFW
+#           #  installation
+#           - { cxx: clang++, image: '2023-clang15.0', abi: '11', build: 'Release', cmake: '' }
+#           - { cxx: g++,     image: '2023-clang15.0', abi: '11', build: 'Release', cmake: '' }
+#           - { cxx: clang++, image: '2022-clang11',   abi: '11', build: 'Debug',   cmake: '' }
+#           - { cxx: clang++, image: '2022-clang11',   abi: '10', build: 'Release', cmake: '' }
+#           - { cxx: g++,     image: '2022-clang11',   abi: '10', build: 'Release', cmake: '' }
+#           - { cxx: clang++, image: '2022-clang11',   abi: '9',  build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
+#           - { cxx: g++,     image: '2022-clang11',   abi: '9',  build: 'Release', cmake: '-DDISABLE_DEPENDENCY_VERSION_CHECKS=ON' }
+#       fail-fast: false
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: pybind11
+#       #if: contains(matrix.config.image, '2023') == false
+#       run: ./ci/install_pybind11.sh 2.10.0
+#     - name: timestamp
+#       id: timestamp
+#       run: echo "timestamp=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+#     - name: ccache
+#       # don't use ccache for debug builds
+#       if: matrix.config.build == 'Release'
+#       id: ccache
+#       uses: actions/cache@v3
+#       with:
+#         path: /tmp/ccache
+#         key: linux-vfx${{ matrix.config.image }}-abi${{ matrix.config.abi }}-${{ matrix.config.cxx }}-${{ steps.timestamp.outputs.timestamp }}
+#         restore-keys: linux-vfx${{ matrix.config.image }}-abi${{ matrix.config.abi }}-${{ matrix.config.cxx }}-
+#     - name: build
+#       run: >
+#         ./ci/build.sh -v
+#         --build-type=${{ matrix.config.build }}
+#         --components=\"core,python,bin,view,render,test\"
+#         --cargs=\"
+#         ${{ matrix.config.cmake }}
+#         -DOPENVDB_CXX_STRICT=ON
+#         -DOPENVDB_ABI_VERSION_NUMBER=${{ matrix.config.abi }}
+#         \"
+#     - name: test
+#       # Always run tests on weekly builds but skip Debug on commits as they take a while.
+#       # https://github.community/t/distinct-job-for-each-schedule/17811/2
+#       if: contains(github.event.schedule, '0 7 * * 1') || matrix.config.build == 'Release'
+#       run: |
+#         cd build && ctest -V
+#         cd - && ./ci/test_install.sh
+#     # Keep ccache light by stripping out any caches not accessed in the last day
+#     - name: ccache_clean
+#       if: matrix.config.build == 'Release'
+#       run: ccache --evict-older-than 1d
 
-  windows:
-    # Windows CI. Tests static and dynamic builds with MT and MD respectively.
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'win'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'windows-2022-8c-32g-300h') || 'windows-latest' }}
-    name: windows-vc:${{ matrix.config.vc }}-type:${{ matrix.config.build }}
-    env:
-      VCPKG_DEFAULT_TRIPLET: ${{ matrix.config.vc }}
-    strategy:
-      matrix:
-        config:
-          # static build of blosc from vcpkg does not build internal sources.
-          # USE_STATIC_DEPENDENCIES is required for IlmBase/OpenEXR defines and
-          # Boost as both shared and static libs are installed.
-          # USE_EXPLICIT_INSTANTIATION is disabled for debug static libraries
-          # due to disk space constraints
-          # @note  Commented out the static debug build due to linker OOM LNK1102
-          - { vc: 'x64-windows-static', components: 'core,bin,view,render,test',       build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON' }
-          #- { vc: 'x64-windows-static', components: 'core,bin,view,render,test', build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON -DUSE_EXPLICIT_INSTANTIATION=OFF' }
-          - { vc: 'x64-windows',        components: 'core,bin,view,render,python,test', build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
-          - { vc: 'x64-windows',        components: 'core,bin,view,render,python,test', build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
-          #- { vc: 'x64-windows',        build: 'Release', cmake: '-G \"MinGW Makefiles\" -DOPENVDB_CORE_STATIC=OFF' }
-      fail-fast: false
-    steps:
-    - uses: actions/checkout@v3
-    - name: path
-      shell: pwsh
-      run: |
-        # note: system path must be modified in a previous step to it's use
-        echo "$Env:VCPKG_INSTALLATION_ROOT\installed\${{ matrix.config.vc }}\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-        echo "${{github.workspace}}\build\openvdb\openvdb\${{ matrix.config.build }}" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-    - name: install
-      run: ./ci/install_windows.sh
-    - name: build
-      run: >
-        ./ci/build.sh -v
-        --config=${{ matrix.config.build }}
-        --components=${{ matrix.config.components }}
-        --cargs=\'
-        ${{ matrix.config.cmake }}
-        -DMSVC_COMPRESS_PDB=ON
-        -DUSE_EXR=ON
-        -DUSE_PNG=ON
-        -DVCPKG_TARGET_TRIPLET=${VCPKG_DEFAULT_TRIPLET}
-        -DCMAKE_TOOLCHAIN_FILE=\"${VCPKG_INSTALLATION_ROOT}\\scripts\\buildsystems\\vcpkg.cmake\"
-        \'
-    - name: size
-      # Print the build directy size (monitor if we're hitting runner limits)
-      run: du -h build
-    - name: test
-      # Always run tests on weekly builds but skip Debug on commits as they take a while.
-      # https://github.community/t/distinct-job-for-each-schedule/17811/2
-      if: contains(github.event.schedule, '0 7 * * 1') || matrix.config.build == 'Release'
-      run: cd build && ctest -V -C ${{ matrix.config.build }}
+#   windows:
+#     # Windows CI. Tests static and dynamic builds with MT and MD respectively.
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'win'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'windows-2022-8c-32g-300h') || 'windows-latest' }}
+#     name: windows-vc:${{ matrix.config.vc }}-type:${{ matrix.config.build }}
+#     env:
+#       VCPKG_DEFAULT_TRIPLET: ${{ matrix.config.vc }}
+#     strategy:
+#       matrix:
+#         config:
+#           # static build of blosc from vcpkg does not build internal sources.
+#           # USE_STATIC_DEPENDENCIES is required for IlmBase/OpenEXR defines and
+#           # Boost as both shared and static libs are installed.
+#           # USE_EXPLICIT_INSTANTIATION is disabled for debug static libraries
+#           # due to disk space constraints
+#           # @note  Commented out the static debug build due to linker OOM LNK1102
+#           - { vc: 'x64-windows-static', components: 'core,bin,view,render,test',       build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON' }
+#           #- { vc: 'x64-windows-static', components: 'core,bin,view,render,test', build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON -DUSE_EXPLICIT_INSTANTIATION=OFF' }
+#           - { vc: 'x64-windows',        components: 'core,bin,view,render,python,test', build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
+#           - { vc: 'x64-windows',        components: 'core,bin,view,render,python,test', build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
+#           #- { vc: 'x64-windows',        build: 'Release', cmake: '-G \"MinGW Makefiles\" -DOPENVDB_CORE_STATIC=OFF' }
+#       fail-fast: false
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: path
+#       shell: pwsh
+#       run: |
+#         # note: system path must be modified in a previous step to it's use
+#         echo "$Env:VCPKG_INSTALLATION_ROOT\installed\${{ matrix.config.vc }}\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+#         echo "${{github.workspace}}\build\openvdb\openvdb\${{ matrix.config.build }}" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+#     - name: install
+#       run: ./ci/install_windows.sh
+#     - name: build
+#       run: >
+#         ./ci/build.sh -v
+#         --config=${{ matrix.config.build }}
+#         --components=${{ matrix.config.components }}
+#         --cargs=\'
+#         ${{ matrix.config.cmake }}
+#         -DMSVC_COMPRESS_PDB=ON
+#         -DUSE_EXR=ON
+#         -DUSE_PNG=ON
+#         -DVCPKG_TARGET_TRIPLET=${VCPKG_DEFAULT_TRIPLET}
+#         -DCMAKE_TOOLCHAIN_FILE=\"${VCPKG_INSTALLATION_ROOT}\\scripts\\buildsystems\\vcpkg.cmake\"
+#         \'
+#     - name: size
+#       # Print the build directy size (monitor if we're hitting runner limits)
+#       run: du -h build
+#     - name: test
+#       # Always run tests on weekly builds but skip Debug on commits as they take a while.
+#       # https://github.community/t/distinct-job-for-each-schedule/17811/2
+#       if: contains(github.event.schedule, '0 7 * * 1') || matrix.config.build == 'Release'
+#       run: cd build && ctest -V -C ${{ matrix.config.build }}
 
-  macos:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'mac'
-    runs-on: macos-latest
-    env:
-      CXX: clang++
-    steps:
-    - uses: actions/checkout@v3
-    - name: install
-      run: ./ci/install_macos.sh
-    - name: build
-      run: >
-        ./ci/build.sh -v
-        --build-type=Release
-        --components=\"core,python,bin,view,render,test\"
-    - name: test
-      run: cd build && ctest -V
+#   macos:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'mac'
+#     runs-on: macos-latest
+#     env:
+#       CXX: clang++
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: install
+#       run: ./ci/install_macos.sh
+#     - name: build
+#       run: >
+#         ./ci/build.sh -v
+#         --build-type=Release
+#         --components=\"core,python,bin,view,render,test\"
+#     - name: test
+#       run: cd build && ctest -V
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d3febe0d76..0f50749fac 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -1,158 +1,158 @@
 
-name: Docs
+# name: Docs
 
-on:
-  push:
-    branches:
-      - 'master'
-      - 'feature/**'
-      - 'pr/**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'openvdb_maya/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'openvdb_maya/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  workflow_dispatch:
-    inputs:
-      deploy:
-        description: 'Deploy to openvdb-website (docs/coverage)?'
-        required: true
-        default: 'none'
+# on:
+#   push:
+#     branches:
+#       - 'master'
+#       - 'feature/**'
+#       - 'pr/**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'openvdb_maya/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   pull_request:
+#     branches:
+#       - '**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'openvdb_maya/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   workflow_dispatch:
+#     inputs:
+#       deploy:
+#         description: 'Deploy to openvdb-website (docs/coverage)?'
+#         required: true
+#         default: 'none'
 
-# Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
+# # Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
+# concurrency:
+#   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+#   cancel-in-progress: true
 
-jobs:
-  doxygen:
-    runs-on: ubuntu-latest
-    env:
-      CXX: g++
-    container:
-      # @note We can't update this as epydoc doesn't support python3. We'll
-      # need to re-write the python docs to use sphinx
-      image: aswf/ci-openvdb:2022
-    steps:
-    - uses: actions/checkout@v3
-    - name: install_doxygen
-      run: ./ci/install_doxygen.sh 1_8_11
-    - name: pybind11
-      #if: contains(matrix.config.image, '2023') == false
-      run: ./ci/install_pybind11.sh 2.10.0
-    # - name: install_epydoc
-    #   run: pip install epydoc
-    - name: install_latex
-      run: yum -y install texlive-latex-bin texlive-dvips texlive-collection-fontsrecommended texlive-collection-latexrecommended
-    - name: build
-      run: >
-        ./ci/build.sh -v
-        --build-type=Release
-        --components="core,python,doc"
-        --cargs=\"
-        -DUSE_BLOSC=OFF
-        -DOPENVDB_CORE_STATIC=OFF
-        -DOPENVDB_PYTHON_WRAP_ALL_GRID_TYPES=ON
-        -DUSE_EXPLICIT_INSTANTIATION=OFF
-        -DDISABLE_DEPENDENCY_VERSION_CHECKS=ON
-        \"
-    # - name: epydoc
-    #   run: |
-    #     epydoc --html -o /usr/local/share/doc/OpenVDB/html/python pyopenvdb
-    - name: pre_deploy
-      # Overwrite global SSH configuration
-      #  https://github.com/peaceiris/actions-gh-pages/issues/719
-      #  https://linuxhint.com/ssh-stricthostkeychecking/
-      run: >
-        echo "Host *
-          StrictHostKeyChecking no
-          UserKnownHostsFile=/dev/null
-        " > /etc/ssh/ssh_config
-    - name: deploy
-      # only deploy documentation on a manual workflow dispatch
-      if: |
-        github.repository_owner == 'AcademySoftwareFoundation' &&
-        github.event_name == 'workflow_dispatch' &&
-        github.event.inputs.deploy == 'docs'
-      uses: peaceiris/actions-gh-pages@v3
-      with:
-        deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
-        publish_dir: /usr/local/share/doc/OpenVDB/html
-        destination_dir: documentation/doxygen
-        external_repository: AcademySoftwareFoundation/openvdb-website
-        publish_branch: master
-        full_commit_message: "Automatic doxygen documentation update
-          - Deployed from: AcademySoftwareFoundation/openvdb ${{ github.sha }}
+# jobs:
+#   doxygen:
+#     runs-on: ubuntu-latest
+#     env:
+#       CXX: g++
+#     container:
+#       # @note We can't update this as epydoc doesn't support python3. We'll
+#       # need to re-write the python docs to use sphinx
+#       image: aswf/ci-openvdb:2022
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: install_doxygen
+#       run: ./ci/install_doxygen.sh 1_8_11
+#     - name: pybind11
+#       #if: contains(matrix.config.image, '2023') == false
+#       run: ./ci/install_pybind11.sh 2.10.0
+#     # - name: install_epydoc
+#     #   run: pip install epydoc
+#     - name: install_latex
+#       run: yum -y install texlive-latex-bin texlive-dvips texlive-collection-fontsrecommended texlive-collection-latexrecommended
+#     - name: build
+#       run: >
+#         ./ci/build.sh -v
+#         --build-type=Release
+#         --components="core,python,doc"
+#         --cargs=\"
+#         -DUSE_BLOSC=OFF
+#         -DOPENVDB_CORE_STATIC=OFF
+#         -DOPENVDB_PYTHON_WRAP_ALL_GRID_TYPES=ON
+#         -DUSE_EXPLICIT_INSTANTIATION=OFF
+#         -DDISABLE_DEPENDENCY_VERSION_CHECKS=ON
+#         \"
+#     # - name: epydoc
+#     #   run: |
+#     #     epydoc --html -o /usr/local/share/doc/OpenVDB/html/python pyopenvdb
+#     - name: pre_deploy
+#       # Overwrite global SSH configuration
+#       #  https://github.com/peaceiris/actions-gh-pages/issues/719
+#       #  https://linuxhint.com/ssh-stricthostkeychecking/
+#       run: >
+#         echo "Host *
+#           StrictHostKeyChecking no
+#           UserKnownHostsFile=/dev/null
+#         " > /etc/ssh/ssh_config
+#     - name: deploy
+#       # only deploy documentation on a manual workflow dispatch
+#       if: |
+#         github.repository_owner == 'AcademySoftwareFoundation' &&
+#         github.event_name == 'workflow_dispatch' &&
+#         github.event.inputs.deploy == 'docs'
+#       uses: peaceiris/actions-gh-pages@v3
+#       with:
+#         deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+#         publish_dir: /usr/local/share/doc/OpenVDB/html
+#         destination_dir: documentation/doxygen
+#         external_repository: AcademySoftwareFoundation/openvdb-website
+#         publish_branch: master
+#         full_commit_message: "Automatic doxygen documentation update
+#           - Deployed from: AcademySoftwareFoundation/openvdb ${{ github.sha }}
 
-          Signed-off-by: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>"
+#           Signed-off-by: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>"
 
-  #############################################################################
-  ################################ Coverage ###################################
-  #############################################################################
+#   #############################################################################
+#   ################################ Coverage ###################################
+#   #############################################################################
 
-  linux-coverage:
-    if: |
-      github.repository_owner == 'AcademySoftwareFoundation' &&
-      github.event_name == 'workflow_dispatch' &&
-      github.event.inputs.deploy == 'coverage'
-    runs-on: ubuntu-latest
-    container:
-      image: aswf/ci-openvdb:2023
-    env:
-      CXX: g++
-    steps:
-    - uses: actions/checkout@v3
-    - name: install_gcovr
-      run: pip install gcovr
-    - name: build
-      run: >
-        ./ci/build.sh -v
-        --build-type=coverage
-        --components="core,axcore,test,axtest"
-        --cargs=\"-DOPENVDB_CORE_STATIC=OFF -DOPENVDB_AX_STATIC=OFF\"
-    - name: test_and_gcov
-      run: |
-        cd build
-        ctest -V
-        make gcov_html
-        cd -
-    - name: zip_large_html
-      # The index.function list is > 100mb. Just zip it and provide it as a
-      # download (could instead use LFS to host but not really worth it).
-      run: |
-        cd build/gcov_html
-        tar -czvf index.functions.html.tar.gz index.functions.html
-        sed -i -e 's/index.functions.html/index.functions.html.tar.gz/g' index.html
-        sed -i -e 's/List of functions/Download function index/g' index.html
-        rm index.functions.html
-        cd -
-    - name: pre_deploy
-      # Overwrite global SSH configuration
-      #  https://github.com/peaceiris/actions-gh-pages/issues/719
-      #  https://linuxhint.com/ssh-stricthostkeychecking/
-      run: >
-        echo "Host *
-          StrictHostKeyChecking no
-          UserKnownHostsFile=/dev/null
-        " > /etc/ssh/ssh_config
-    - name: deploy
-      uses: peaceiris/actions-gh-pages@v3
-      with:
-        deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
-        publish_dir: ./build/gcov_html
-        destination_dir: documentation/code_coverage
-        external_repository: AcademySoftwareFoundation/openvdb-website
-        publish_branch: master
-        full_commit_message: "Automatic code coverage update
-          - Deployed from: AcademySoftwareFoundation/openvdb ${{ github.sha }}
+#   linux-coverage:
+#     if: |
+#       github.repository_owner == 'AcademySoftwareFoundation' &&
+#       github.event_name == 'workflow_dispatch' &&
+#       github.event.inputs.deploy == 'coverage'
+#     runs-on: ubuntu-latest
+#     container:
+#       image: aswf/ci-openvdb:2023
+#     env:
+#       CXX: g++
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: install_gcovr
+#       run: pip install gcovr
+#     - name: build
+#       run: >
+#         ./ci/build.sh -v
+#         --build-type=coverage
+#         --components="core,axcore,test,axtest"
+#         --cargs=\"-DOPENVDB_CORE_STATIC=OFF -DOPENVDB_AX_STATIC=OFF\"
+#     - name: test_and_gcov
+#       run: |
+#         cd build
+#         ctest -V
+#         make gcov_html
+#         cd -
+#     - name: zip_large_html
+#       # The index.function list is > 100mb. Just zip it and provide it as a
+#       # download (could instead use LFS to host but not really worth it).
+#       run: |
+#         cd build/gcov_html
+#         tar -czvf index.functions.html.tar.gz index.functions.html
+#         sed -i -e 's/index.functions.html/index.functions.html.tar.gz/g' index.html
+#         sed -i -e 's/List of functions/Download function index/g' index.html
+#         rm index.functions.html
+#         cd -
+#     - name: pre_deploy
+#       # Overwrite global SSH configuration
+#       #  https://github.com/peaceiris/actions-gh-pages/issues/719
+#       #  https://linuxhint.com/ssh-stricthostkeychecking/
+#       run: >
+#         echo "Host *
+#           StrictHostKeyChecking no
+#           UserKnownHostsFile=/dev/null
+#         " > /etc/ssh/ssh_config
+#     - name: deploy
+#       uses: peaceiris/actions-gh-pages@v3
+#       with:
+#         deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+#         publish_dir: ./build/gcov_html
+#         destination_dir: documentation/code_coverage
+#         external_repository: AcademySoftwareFoundation/openvdb-website
+#         publish_branch: master
+#         full_commit_message: "Automatic code coverage update
+#           - Deployed from: AcademySoftwareFoundation/openvdb ${{ github.sha }}
 
-          Signed-off-by: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>"
+#           Signed-off-by: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>"
 
diff --git a/.github/workflows/fvdb.yml b/.github/workflows/fvdb.yml
index 45c8a8cf59..0520ebee6d 100644
--- a/.github/workflows/fvdb.yml
+++ b/.github/workflows/fvdb.yml
@@ -80,8 +80,8 @@ jobs:
           run: |
             cd fvdb;
             free -g;
-            free -g | awk '/^Mem:/{jobs=int($4); print "Free memory (GB): " jobs}';
-            DISTUTILS_DEBUG="1" TORCH_CUDA_ARCH_LIST="7.0;7.5;8.0;8.6+PTX" MAX_JOBS=$(($(nproc) < $(free -g | awk '/^Mem:/{jobs=int($4/2.5); if(jobs<1) jobs=1; print jobs}') ? $(nproc) : $(free -g | awk '/^Mem:/{jobs=int($4/2.5); if(jobs<1) jobs=1; print jobs}'))) python setup.py bdist_wheel --dist-dir=dist 
+            free -g | awk '/^Mem:/{jobs=int($7); print "Free memory (GB): " jobs}';
+            DISTUTILS_DEBUG="1" TORCH_CUDA_ARCH_LIST="7.0;7.5;8.0;8.6+PTX" MAX_JOBS=$(($(nproc) < $(free -g | awk '/^Mem:/{jobs=int($7/2.5); if(jobs<1) jobs=1; print jobs}') ? $(nproc) : $(free -g | awk '/^Mem:/{jobs=int($7/2.5); if(jobs<1) jobs=1; print jobs}'))) python setup.py bdist_wheel --dist-dir=dist 
           shell:
             bash -el {0}
 
diff --git a/.github/workflows/houdini.yml b/.github/workflows/houdini.yml
index 1939c7ac29..fb3456a41c 100644
--- a/.github/workflows/houdini.yml
+++ b/.github/workflows/houdini.yml
@@ -1,189 +1,189 @@
 
-name: Houdini
+# name: Houdini
 
-on:
-  push:
-    branches:
-      - 'master'
-      - 'feature/**'
-      - 'pr/**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'nanovdb/**'
-      - 'fvdb/**'
-      - 'openvdb_maya/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'nanovdb/**'
-      - 'fvdb/**'
-      - 'openvdb_maya/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  schedule:
-    # run this workflow every day 7am UTC
-    - cron:  '0 7 * * *'
-  workflow_dispatch:
+# on:
+#   push:
+#     branches:
+#       - 'master'
+#       - 'feature/**'
+#       - 'pr/**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'nanovdb/**'
+#       - 'fvdb/**'
+#       - 'openvdb_maya/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   pull_request:
+#     branches:
+#       - '**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'nanovdb/**'
+#       - 'fvdb/**'
+#       - 'openvdb_maya/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   schedule:
+#     # run this workflow every day 7am UTC
+#     - cron:  '0 7 * * *'
+#   workflow_dispatch:
 
-# Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
+# # Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
+# concurrency:
+#   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+#   cancel-in-progress: true
 
-defaults:
-  run:
-    shell: bash
+# defaults:
+#   run:
+#     shell: bash
 
-jobs:
-  checksecret:
-    # Check that valid github secrets have been set. This isn't needed to retrieve
-    # the cache, but ensures that the job doens't start with an empty cache
-    name: Verify Houdini Secrets
-    runs-on: ubuntu-latest
-    outputs:
-      HOUDINI_SECRETS: ${{ steps.check.outputs.HOUDINI_SECRETS }}
-    steps:
-      - id: check
-        env:
-            HOUDINI_CLIENT_ID: ${{ secrets.HOUDINI_CLIENT_ID }}
-            HOUDINI_SECRET_KEY: ${{ secrets.HOUDINI_SECRET_KEY }}
-        run: echo "HOUDINI_SECRETS=${{ env.HOUDINI_CLIENT_ID != '' && env.HOUDINI_SECRET_KEY != '' }}" >> $GITHUB_OUTPUT
-      - name: Skip Next Jobs
-        if: steps.check.outputs.HOUDINI_SECRETS != 'true'
-        run: echo "HOUDINI_CLIENT_ID and HOUDINI_SECRET_KEY GitHub Action Secrets needs to be set to install Houdini builds"
+# jobs:
+#   checksecret:
+#     # Check that valid github secrets have been set. This isn't needed to retrieve
+#     # the cache, but ensures that the job doens't start with an empty cache
+#     name: Verify Houdini Secrets
+#     runs-on: ubuntu-latest
+#     outputs:
+#       HOUDINI_SECRETS: ${{ steps.check.outputs.HOUDINI_SECRETS }}
+#     steps:
+#       - id: check
+#         env:
+#             HOUDINI_CLIENT_ID: ${{ secrets.HOUDINI_CLIENT_ID }}
+#             HOUDINI_SECRET_KEY: ${{ secrets.HOUDINI_SECRET_KEY }}
+#         run: echo "HOUDINI_SECRETS=${{ env.HOUDINI_CLIENT_ID != '' && env.HOUDINI_SECRET_KEY != '' }}" >> $GITHUB_OUTPUT
+#       - name: Skip Next Jobs
+#         if: steps.check.outputs.HOUDINI_SECRETS != 'true'
+#         run: echo "HOUDINI_CLIENT_ID and HOUDINI_SECRET_KEY GitHub Action Secrets needs to be set to install Houdini builds"
 
-  linux-vfx-houdini:
-    needs: [checksecret]
-    if: >
-      ${{ needs.checksecret.outputs.HOUDINI_SECRETS == 'true' ||
-          github.repository_owner == 'AcademySoftwareFoundation' }}
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
-    name: hou:${{ matrix.config.hou_hash }}-vfx:${{ matrix.config.image }}-cxx:${{ matrix.config.cxx }}
-    container:
-      image: aswf/ci-base:${{ matrix.config.image }}
-    env:
-      CXX: ${{ matrix.config.cxx }}
-      CCACHE_DIR: /tmp/ccache
-    strategy:
-      matrix:
-        config:
-          - { cxx: clang++, image: '2023.0', hou_hash: '20_0-newabi', build: 'Release', components: 'core,hou,bin,view,render,python,test,axcore,axbin,axtest' }
-          - { cxx: clang++, image: '2022',   hou_hash: '20_0-oldabi', build: 'Release', components: 'core,hou' }
-          - { cxx: clang++, image: '2021',   hou_hash: '19_5',        build: 'Release', components: 'core,hou' }
-          - { cxx: clang++, image: '2023.0', hou_hash: '20_0-newabi', build: 'Debug',   components: 'core,hou,bin,view,render,python,test,axcore,axbin,axtest' }
-          - { cxx: g++,     image: '2023.0', hou_hash: '20_0-newabi', build: 'Release', components: 'core,hou,bin,view,render,python,test,axcore,axbin,axtest' }
-          - { cxx: g++,     image: '2022',   hou_hash: '20_0-oldabi', build: 'Release', components: 'core,hou' }
-      fail-fast: false
-    steps:
-      # See note on this step in the Houdini weekly.yml job
-      # We can remove this when we no longer use < 2023 images
-    - name: remove zstd
-      run: yum -y remove zstd
-    - uses: actions/checkout@v3
-    - name: pybind11
-      #if: contains(matrix.config.image, '2023') == false
-      run: ./ci/install_pybind11.sh 2.10.0
-    - name: timestamp
-      id: timestamp
-      run: echo "timestamp=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
-    - name: ccache
-      # don't use ccache for debug builds
-      if: matrix.config.build == 'Release'
-      id: ccache
-      uses: actions/cache@v3
-      with:
-        path: /tmp/ccache
-        key: linux-vfx-hou${{ matrix.config.hou_hash }}-${{ matrix.config.image }}-${{ matrix.config.cxx }}-${{ steps.timestamp.outputs.timestamp }}
-        restore-keys: linux-vfx-hou${{ matrix.config.hou_hash }}-${{ matrix.config.image }}-${{ matrix.config.cxx }}-
-    - name: fetch_houdini
-      uses: actions/cache/restore@v3
-      with:
-        path: hou
-        key: dummy-houdini${{ matrix.config.hou_hash }}-${{ steps.timestamp.outputs.timestamp }}
-        restore-keys: vdb-v5-houdini${{ matrix.config.hou_hash }}-
-    - name: validate_houdini
-      run: test -f "hou/hou.tar.gz"
-      # Make sure that the unpacked install is NOT in the root of the OpenVDB checkout
-      # otherwise CMake's install RPATHs wil not work correctly.
-    - name: install_houdini
-      run: |
-        mkdir $HOME/houdini_install
-        cp hou/hou.tar.gz $HOME/houdini_install/hou.tar.gz
-        cd $HOME/houdini_install && tar -xzf hou.tar.gz && cd -
-    - name: build
-      run: |
-        ./ci/build.sh -v \
-          --build-type=Release \
-          --components="${{ matrix.config.components }}" \
-          --cargs=\" \
-            -DHOUDINI_ROOT=$HOME/houdini_install/hou \
-            -DOPENVDB_BUILD_HOUDINI_ABITESTS=OFF \
-            -DOPENVDB_HOUDINI_INSTALL_PREFIX=/tmp \
-            -DDISABLE_CMAKE_SEARCH_PATHS=ON \
-            -DDISABLE_DEPENDENCY_VERSION_CHECKS=ON \
-            \"
-    - name: test
-      run: cd build && ctest -V
-    # Keep ccache light by stripping out any caches not accessed in the last day
-    - name: ccache_clean
-      if: matrix.config.build == 'Release'
-      run: ccache --evict-older-than 1d
+#   linux-vfx-houdini:
+#     needs: [checksecret]
+#     if: >
+#       ${{ needs.checksecret.outputs.HOUDINI_SECRETS == 'true' ||
+#           github.repository_owner == 'AcademySoftwareFoundation' }}
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
+#     name: hou:${{ matrix.config.hou_hash }}-vfx:${{ matrix.config.image }}-cxx:${{ matrix.config.cxx }}
+#     container:
+#       image: aswf/ci-base:${{ matrix.config.image }}
+#     env:
+#       CXX: ${{ matrix.config.cxx }}
+#       CCACHE_DIR: /tmp/ccache
+#     strategy:
+#       matrix:
+#         config:
+#           - { cxx: clang++, image: '2023.0', hou_hash: '20_0-newabi', build: 'Release', components: 'core,hou,bin,view,render,python,test,axcore,axbin,axtest' }
+#           - { cxx: clang++, image: '2022',   hou_hash: '20_0-oldabi', build: 'Release', components: 'core,hou' }
+#           - { cxx: clang++, image: '2021',   hou_hash: '19_5',        build: 'Release', components: 'core,hou' }
+#           - { cxx: clang++, image: '2023.0', hou_hash: '20_0-newabi', build: 'Debug',   components: 'core,hou,bin,view,render,python,test,axcore,axbin,axtest' }
+#           - { cxx: g++,     image: '2023.0', hou_hash: '20_0-newabi', build: 'Release', components: 'core,hou,bin,view,render,python,test,axcore,axbin,axtest' }
+#           - { cxx: g++,     image: '2022',   hou_hash: '20_0-oldabi', build: 'Release', components: 'core,hou' }
+#       fail-fast: false
+#     steps:
+#       # See note on this step in the Houdini weekly.yml job
+#       # We can remove this when we no longer use < 2023 images
+#     - name: remove zstd
+#       run: yum -y remove zstd
+#     - uses: actions/checkout@v3
+#     - name: pybind11
+#       #if: contains(matrix.config.image, '2023') == false
+#       run: ./ci/install_pybind11.sh 2.10.0
+#     - name: timestamp
+#       id: timestamp
+#       run: echo "timestamp=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+#     - name: ccache
+#       # don't use ccache for debug builds
+#       if: matrix.config.build == 'Release'
+#       id: ccache
+#       uses: actions/cache@v3
+#       with:
+#         path: /tmp/ccache
+#         key: linux-vfx-hou${{ matrix.config.hou_hash }}-${{ matrix.config.image }}-${{ matrix.config.cxx }}-${{ steps.timestamp.outputs.timestamp }}
+#         restore-keys: linux-vfx-hou${{ matrix.config.hou_hash }}-${{ matrix.config.image }}-${{ matrix.config.cxx }}-
+#     - name: fetch_houdini
+#       uses: actions/cache/restore@v3
+#       with:
+#         path: hou
+#         key: dummy-houdini${{ matrix.config.hou_hash }}-${{ steps.timestamp.outputs.timestamp }}
+#         restore-keys: vdb-v5-houdini${{ matrix.config.hou_hash }}-
+#     - name: validate_houdini
+#       run: test -f "hou/hou.tar.gz"
+#       # Make sure that the unpacked install is NOT in the root of the OpenVDB checkout
+#       # otherwise CMake's install RPATHs wil not work correctly.
+#     - name: install_houdini
+#       run: |
+#         mkdir $HOME/houdini_install
+#         cp hou/hou.tar.gz $HOME/houdini_install/hou.tar.gz
+#         cd $HOME/houdini_install && tar -xzf hou.tar.gz && cd -
+#     - name: build
+#       run: |
+#         ./ci/build.sh -v \
+#           --build-type=Release \
+#           --components="${{ matrix.config.components }}" \
+#           --cargs=\" \
+#             -DHOUDINI_ROOT=$HOME/houdini_install/hou \
+#             -DOPENVDB_BUILD_HOUDINI_ABITESTS=OFF \
+#             -DOPENVDB_HOUDINI_INSTALL_PREFIX=/tmp \
+#             -DDISABLE_CMAKE_SEARCH_PATHS=ON \
+#             -DDISABLE_DEPENDENCY_VERSION_CHECKS=ON \
+#             \"
+#     - name: test
+#       run: cd build && ctest -V
+#     # Keep ccache light by stripping out any caches not accessed in the last day
+#     - name: ccache_clean
+#       if: matrix.config.build == 'Release'
+#       run: ccache --evict-older-than 1d
 
-  macos-houdini:
-    needs: [checksecret]
-    if: >
-      ${{ needs.checksecret.outputs.HOUDINI_SECRETS == 'true' ||
-          github.repository_owner == 'AcademySoftwareFoundation' }}
-    runs-on: macos-latest
-    steps:
-    - uses: actions/checkout@v3
-    - name: fetch_houdini
-      uses: actions/cache/restore@v3
-      with:
-        path: hou
-        key: dummy-houdini
-        restore-keys: vdb-v5-houdini-macos-
-    - name: validate_houdini
-      run: test -f "hou/hou.tar.gz"
-      # Make sure that the unpacked install is NOT in the root of the OpenVDB checkout
-      # otherwise CMake's install RPATHs wil not work correctly.
-    - name: install_houdini
-      run: |
-        mkdir $HOME/houdini_install
-        cp hou/hou.tar.gz $HOME/houdini_install/hou.tar.gz
-        cd $HOME/houdini_install && tar -xzf hou.tar.gz && cd -
-    - name: install_deps
-      run: |
-        # Remove Python3 symlinks in /usr/local/bin as workaround to brew update issues
-        # https://github.com/actions/setup-python/issues/577
-        rm /usr/local/bin/2to3* || :
-        rm /usr/local/bin/idle3* || :
-        rm /usr/local/bin/pydoc* || :
-        rm /usr/local/bin/python3* || :
-        brew update
-        brew install bash gnu-getopt cmake boost glfw googletest openexr pybind11 llvm@15 cppunit
-        echo "/usr/local/opt/gnu-getopt/bin" >> $GITHUB_PATH
-    - name: build
-      run: |
-        ./ci/build.sh -v \
-          --build-type=Release \
-          --components="core,hou,bin,view,render,python,test,axcore,axbin,axtest" \
-          --cargs=\" \
-            -DHOUDINI_ROOT=$HOME/houdini_install/hou \
-            -DOPENVDB_BUILD_HOUDINI_ABITESTS=OFF \
-            -DOPENVDB_HOUDINI_INSTALL_PREFIX=/tmp \
-            -DDISABLE_CMAKE_SEARCH_PATHS=ON \
-            -DDISABLE_DEPENDENCY_VERSION_CHECKS=ON \
-            -DUSE_EXPLICIT_INSTANTIATION=OFF \
-            -DLLVM_DIR=/usr/local/opt/llvm@15/lib/cmake/llvm \
-            \"
-    - name: test
-      run: cd build && ctest -V
+#   macos-houdini:
+#     needs: [checksecret]
+#     if: >
+#       ${{ needs.checksecret.outputs.HOUDINI_SECRETS == 'true' ||
+#           github.repository_owner == 'AcademySoftwareFoundation' }}
+#     runs-on: macos-latest
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: fetch_houdini
+#       uses: actions/cache/restore@v3
+#       with:
+#         path: hou
+#         key: dummy-houdini
+#         restore-keys: vdb-v5-houdini-macos-
+#     - name: validate_houdini
+#       run: test -f "hou/hou.tar.gz"
+#       # Make sure that the unpacked install is NOT in the root of the OpenVDB checkout
+#       # otherwise CMake's install RPATHs wil not work correctly.
+#     - name: install_houdini
+#       run: |
+#         mkdir $HOME/houdini_install
+#         cp hou/hou.tar.gz $HOME/houdini_install/hou.tar.gz
+#         cd $HOME/houdini_install && tar -xzf hou.tar.gz && cd -
+#     - name: install_deps
+#       run: |
+#         # Remove Python3 symlinks in /usr/local/bin as workaround to brew update issues
+#         # https://github.com/actions/setup-python/issues/577
+#         rm /usr/local/bin/2to3* || :
+#         rm /usr/local/bin/idle3* || :
+#         rm /usr/local/bin/pydoc* || :
+#         rm /usr/local/bin/python3* || :
+#         brew update
+#         brew install bash gnu-getopt cmake boost glfw googletest openexr pybind11 llvm@15 cppunit
+#         echo "/usr/local/opt/gnu-getopt/bin" >> $GITHUB_PATH
+#     - name: build
+#       run: |
+#         ./ci/build.sh -v \
+#           --build-type=Release \
+#           --components="core,hou,bin,view,render,python,test,axcore,axbin,axtest" \
+#           --cargs=\" \
+#             -DHOUDINI_ROOT=$HOME/houdini_install/hou \
+#             -DOPENVDB_BUILD_HOUDINI_ABITESTS=OFF \
+#             -DOPENVDB_HOUDINI_INSTALL_PREFIX=/tmp \
+#             -DDISABLE_CMAKE_SEARCH_PATHS=ON \
+#             -DDISABLE_DEPENDENCY_VERSION_CHECKS=ON \
+#             -DUSE_EXPLICIT_INSTANTIATION=OFF \
+#             -DLLVM_DIR=/usr/local/opt/llvm@15/lib/cmake/llvm \
+#             \"
+#     - name: test
+#       run: cd build && ctest -V
diff --git a/.github/workflows/nanovdb.yml b/.github/workflows/nanovdb.yml
index da6e95345e..a6c9008f8c 100644
--- a/.github/workflows/nanovdb.yml
+++ b/.github/workflows/nanovdb.yml
@@ -1,195 +1,195 @@
 
-name: NanoVDB
+# name: NanoVDB
 
-on:
-  push:
-    branches:
-      - 'master'
-      - 'feature/**'
-      - 'pr/**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'openvdb_ax/**'
-      - 'openvdb_maya/**'
-      - 'openvdb_houdini/**'
-      - 'fvdb/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'CHANGES'
-      - 'CODEOWNERS'
-      - 'doc/**'
-      - 'openvdb_ax/**'
-      - 'openvdb_maya/**'
-      - 'openvdb_houdini/**'
-      - 'fvdb/**'
-      - 'pendingchanges/**'
-      - '**.md'
-  schedule:
-    # run this workflow every day 7am UTC
-    - cron:  '0 7 * * *'
-  workflow_dispatch:
-    inputs:
-      type:
-        description: 'The type of CI to run (all, linux, win, mac)'
-        required: true
-        default: 'all'
+# on:
+#   push:
+#     branches:
+#       - 'master'
+#       - 'feature/**'
+#       - 'pr/**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'openvdb_ax/**'
+#       - 'openvdb_maya/**'
+#       - 'openvdb_houdini/**'
+#       - 'fvdb/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   pull_request:
+#     branches:
+#       - '**'
+#     paths-ignore:
+#       - 'CHANGES'
+#       - 'CODEOWNERS'
+#       - 'doc/**'
+#       - 'openvdb_ax/**'
+#       - 'openvdb_maya/**'
+#       - 'openvdb_houdini/**'
+#       - 'fvdb/**'
+#       - 'pendingchanges/**'
+#       - '**.md'
+#   schedule:
+#     # run this workflow every day 7am UTC
+#     - cron:  '0 7 * * *'
+#   workflow_dispatch:
+#     inputs:
+#       type:
+#         description: 'The type of CI to run (all, linux, win, mac)'
+#         required: true
+#         default: 'all'
 
-# Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
+# # Allow subsequent pushes to the same PR or REF to cancel any previous jobs.
+# concurrency:
+#   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+#   cancel-in-progress: true
 
-jobs:
-  linux-nanovdb:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'linux'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
-    name: >
-      linux-nanovdb:cxx:${{ matrix.config.cxx }}-${{ matrix.config.build }}
-    container:
-      image: aswf/ci-openvdb:${{ matrix.config.image }}
-    env:
-      CXX: ${{ matrix.config.cxx }}
-    strategy:
-      matrix:
-        config:
-          - { cxx: g++,     image: '2022-clang11', build: 'Release' }
-          - { cxx: g++,     image: '2022-clang11', build: 'Debug' }
-          - { cxx: clang++, image: '2022-clang11', build: 'Release' }
-          - { cxx: clang++, image: '2022-clang11', build: 'Debug' }
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v3
-      - name: install_cuda_11
-        run: |
-          yum -y install yum-utils
-          yum-config-manager --add-repo http://developer.download.nvidia.com/compute/cuda/repos/rhel7/x86_64/cuda-rhel7.repo
-          echo "Installing cuda toolkit"
-          yum --enablerepo=epel -y install cuda-toolkit-11-6
-          echo "/usr/local/cuda-11.6/bin" >> $GITHUB_PATH
-          echo "LD_LIBRARY_PATH=/usr/local/cuda-11.6/lib64:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-      - name: build
-        run: >
-          ./ci/build.sh -v
-          --build-type=${{ matrix.config.build }}
-          --components=core,nano,nanotest,nanoexam,nanobench,nanotool
-          --cargs=\'
-          -DUSE_EXPLICIT_INSTANTIATION=OFF
-          -DNANOVDB_USE_CUDA=ON
-          -DNANOVDB_USE_OPENVDB=ON
-          -DCMAKE_INSTALL_PREFIX=`pwd`
-          -DUSE_BLOSC=OFF
-          \'
-      - name: test
-        run: cd build && sudo ctest -V -E ".*cuda.*"
+# jobs:
+#   linux-nanovdb:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'linux'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
+#     name: >
+#       linux-nanovdb:cxx:${{ matrix.config.cxx }}-${{ matrix.config.build }}
+#     container:
+#       image: aswf/ci-openvdb:${{ matrix.config.image }}
+#     env:
+#       CXX: ${{ matrix.config.cxx }}
+#     strategy:
+#       matrix:
+#         config:
+#           - { cxx: g++,     image: '2022-clang11', build: 'Release' }
+#           - { cxx: g++,     image: '2022-clang11', build: 'Debug' }
+#           - { cxx: clang++, image: '2022-clang11', build: 'Release' }
+#           - { cxx: clang++, image: '2022-clang11', build: 'Debug' }
+#       fail-fast: false
+#     steps:
+#       - uses: actions/checkout@v3
+#       - name: install_cuda_11
+#         run: |
+#           yum -y install yum-utils
+#           yum-config-manager --add-repo http://developer.download.nvidia.com/compute/cuda/repos/rhel7/x86_64/cuda-rhel7.repo
+#           echo "Installing cuda toolkit"
+#           yum --enablerepo=epel -y install cuda-toolkit-11-6
+#           echo "/usr/local/cuda-11.6/bin" >> $GITHUB_PATH
+#           echo "LD_LIBRARY_PATH=/usr/local/cuda-11.6/lib64:$LD_LIBRARY_PATH" >> $GITHUB_ENV
+#       - name: build
+#         run: >
+#           ./ci/build.sh -v
+#           --build-type=${{ matrix.config.build }}
+#           --components=core,nano,nanotest,nanoexam,nanobench,nanotool
+#           --cargs=\'
+#           -DUSE_EXPLICIT_INSTANTIATION=OFF
+#           -DNANOVDB_USE_CUDA=ON
+#           -DNANOVDB_USE_OPENVDB=ON
+#           -DCMAKE_INSTALL_PREFIX=`pwd`
+#           -DUSE_BLOSC=OFF
+#           \'
+#       - name: test
+#         run: cd build && sudo ctest -V -E ".*cuda.*"
 
-  windows-nanovdb:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'win'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'windows-2022-8c-32g-300h') || 'windows-latest' }}
-    env:
-      VCPKG_DEFAULT_TRIPLET: ${{ matrix.config.vc }}
-      visual_studio: "Visual Studio 17 2022"
-      cuda: "11.6.2"
-    strategy:
-      matrix:
-        config:
-          # static build of blosc from vcpkg does not build internal sources.
-          # USE_STATIC_DEPENDENCIES is required for IlmBase/OpenEXR defines and
-          # Boost as both shared and static libs are installed.
-          - { vc: 'x64-windows-static', build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded' }
-          - { vc: 'x64-windows-static', build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDebug' }
-          - { vc: 'x64-windows',        build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
-          - { vc: 'x64-windows',        build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
-      fail-fast: false
-    steps:
-    - uses: actions/checkout@v3
-    - name: path
-      run: |
-        # note: system path must be modified in a previous step to it's use
-        echo "$Env:VCPKG_INSTALLATION_ROOT\installed\${{ matrix.config.vc }}\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-        echo "${{github.workspace}}\build\openvdb\openvdb\${{ matrix.config.build }}" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-    - name: install_cuda
-      shell: powershell
-      run: .\ci\install_windows_cuda.ps1
-    - name: install_deps
-      shell: bash
-      run: |
-        vcpkg update
-        vcpkg install zlib tbb gtest blosc boost-iostreams boost-system boost-any boost-uuid boost-interprocess boost-algorithm
-    - name: build
-      shell: bash
-      run: >
-        ./ci/build.sh -v
-        --config=${{ matrix.config.build }}
-        --components=core,nano,nanotest,nanoexam,nanobench,nanotool
-        --cargs=\'
-        ${{ matrix.config.cmake }}
-        -DMSVC_COMPRESS_PDB=ON
-        -DUSE_EXPLICIT_INSTANTIATION=OFF
-        -DNANOVDB_USE_CUDA=ON
-        -DNANOVDB_USE_OPENVDB=ON
-        -DVCPKG_TARGET_TRIPLET=${VCPKG_DEFAULT_TRIPLET}
-        -DCMAKE_TOOLCHAIN_FILE=\"${VCPKG_INSTALLATION_ROOT}\\scripts\\buildsystems\\vcpkg.cmake\"
-        \'
-    - name: test
-      shell: bash
-      run: cd build && ctest -V -E ".*cuda.*"
+#   windows-nanovdb:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'win'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'windows-2022-8c-32g-300h') || 'windows-latest' }}
+#     env:
+#       VCPKG_DEFAULT_TRIPLET: ${{ matrix.config.vc }}
+#       visual_studio: "Visual Studio 17 2022"
+#       cuda: "11.6.2"
+#     strategy:
+#       matrix:
+#         config:
+#           # static build of blosc from vcpkg does not build internal sources.
+#           # USE_STATIC_DEPENDENCIES is required for IlmBase/OpenEXR defines and
+#           # Boost as both shared and static libs are installed.
+#           - { vc: 'x64-windows-static', build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded' }
+#           - { vc: 'x64-windows-static', build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SHARED=OFF -DUSE_STATIC_DEPENDENCIES=ON -DBLOSC_USE_EXTERNAL_SOURCES=ON -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDebug' }
+#           - { vc: 'x64-windows',        build: 'Release', cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
+#           - { vc: 'x64-windows',        build: 'Debug',   cmake: '-A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF' }
+#       fail-fast: false
+#     steps:
+#     - uses: actions/checkout@v3
+#     - name: path
+#       run: |
+#         # note: system path must be modified in a previous step to it's use
+#         echo "$Env:VCPKG_INSTALLATION_ROOT\installed\${{ matrix.config.vc }}\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+#         echo "${{github.workspace}}\build\openvdb\openvdb\${{ matrix.config.build }}" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+#     - name: install_cuda
+#       shell: powershell
+#       run: .\ci\install_windows_cuda.ps1
+#     - name: install_deps
+#       shell: bash
+#       run: |
+#         vcpkg update
+#         vcpkg install zlib tbb gtest blosc boost-iostreams boost-system boost-any boost-uuid boost-interprocess boost-algorithm
+#     - name: build
+#       shell: bash
+#       run: >
+#         ./ci/build.sh -v
+#         --config=${{ matrix.config.build }}
+#         --components=core,nano,nanotest,nanoexam,nanobench,nanotool
+#         --cargs=\'
+#         ${{ matrix.config.cmake }}
+#         -DMSVC_COMPRESS_PDB=ON
+#         -DUSE_EXPLICIT_INSTANTIATION=OFF
+#         -DNANOVDB_USE_CUDA=ON
+#         -DNANOVDB_USE_OPENVDB=ON
+#         -DVCPKG_TARGET_TRIPLET=${VCPKG_DEFAULT_TRIPLET}
+#         -DCMAKE_TOOLCHAIN_FILE=\"${VCPKG_INSTALLATION_ROOT}\\scripts\\buildsystems\\vcpkg.cmake\"
+#         \'
+#     - name: test
+#       shell: bash
+#       run: cd build && ctest -V -E ".*cuda.*"
 
-  macos-nanovdb:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'mac'
-    runs-on: ${{ matrix.config.runner }}
-    env:
-      CXX: ${{ matrix.config.cxx }}
-    strategy:
-      matrix:
-        config:
-          - { runner: 'macos-11', cxx: 'clang++', build: 'Release' }
-          - { runner: 'macos-11', cxx: 'clang++', build: 'Debug'   }
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v3
-      - name: install_deps
-        run: ./ci/install_macos.sh
-      - name: build
-        run: >
-          ./ci/build.sh -v
-          --build-type=${{ matrix.config.build }}
-          --components=core,nano,nanotest,nanoexam,nanobench,nanotool
-          --cargs=\'-DUSE_EXPLICIT_INSTANTIATION=OFF -DNANOVDB_USE_CUDA=OFF -DNANOVDB_USE_OPENVDB=ON\'
-      - name: test
-        run: cd build && ctest -V -E ".*cuda.*"
+#   macos-nanovdb:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'mac'
+#     runs-on: ${{ matrix.config.runner }}
+#     env:
+#       CXX: ${{ matrix.config.cxx }}
+#     strategy:
+#       matrix:
+#         config:
+#           - { runner: 'macos-11', cxx: 'clang++', build: 'Release' }
+#           - { runner: 'macos-11', cxx: 'clang++', build: 'Debug'   }
+#       fail-fast: false
+#     steps:
+#       - uses: actions/checkout@v3
+#       - name: install_deps
+#         run: ./ci/install_macos.sh
+#       - name: build
+#         run: >
+#           ./ci/build.sh -v
+#           --build-type=${{ matrix.config.build }}
+#           --components=core,nano,nanotest,nanoexam,nanobench,nanotool
+#           --cargs=\'-DUSE_EXPLICIT_INSTANTIATION=OFF -DNANOVDB_USE_CUDA=OFF -DNANOVDB_USE_OPENVDB=ON\'
+#       - name: test
+#         run: cd build && ctest -V -E ".*cuda.*"
 
-  nanovdb-lite:
-    if: |
-      github.event_name != 'workflow_dispatch' ||
-      github.event.inputs.type == 'all' ||
-      github.event.inputs.type == 'linux'
-    runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: install_gtest
-        run: |
-          sudo apt-get update
-          sudo apt-get -q install -y libgtest-dev
-      - name: build_and_test
-        run: |
-          cd nanovdb/nanovdb
-          sudo mkdir .build
-          cd .build
-          sudo cmake -DUSE_EXPLICIT_INSTANTIATION=OFF -DNANOVDB_BUILD_UNITTESTS=ON ../
-          sudo make -j8 install
-          sudo ctest -V
+#   nanovdb-lite:
+#     if: |
+#       github.event_name != 'workflow_dispatch' ||
+#       github.event.inputs.type == 'all' ||
+#       github.event.inputs.type == 'linux'
+#     runs-on: ${{ (github.repository_owner == 'AcademySoftwareFoundation' && 'ubuntu-20.04-8c-32g-300h') || 'ubuntu-latest' }}
+#     steps:
+#       - uses: actions/checkout@v3
+#       - name: install_gtest
+#         run: |
+#           sudo apt-get update
+#           sudo apt-get -q install -y libgtest-dev
+#       - name: build_and_test
+#         run: |
+#           cd nanovdb/nanovdb
+#           sudo mkdir .build
+#           cd .build
+#           sudo cmake -DUSE_EXPLICIT_INSTANTIATION=OFF -DNANOVDB_BUILD_UNITTESTS=ON ../
+#           sudo make -j8 install
+#           sudo ctest -V