diff --git a/docker/README.md b/docker/README.md
index e9ff45563..c5a824194 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -23,18 +23,18 @@ Pull images from [Docker Hub](https://hub.docker.com/u/olivevideoeditor):
 
 ```
 docker pull olivevideoeditor/ci-common:2
-docker pull olivevideoeditor/ci-package-otio
+docker pull olivevideoeditor/ci-package-otio:0.14.1
 docker pull olivevideoeditor/ci-package-crashpad
-docker pull olivevideoeditor/ci-package-ffmpeg:4.2.4
+docker pull olivevideoeditor/ci-package-ffmpeg:5.0
 docker pull olivevideoeditor/ci-package-ocio:2022-2.1.1
-docker pull olivevideoeditor/ci-olive:2021.4
+docker pull olivevideoeditor/ci-olive:2022.1
 ```
 
 Use `ci-olive` image as local build container, by mounting working copy at
 `~/olive` into guest system at `/opt/olive/olive`:
 
 ```bash
-docker run --rm -it -v ~/olive:/opt/olive/olive olivevideoeditor/ci-olive:2021.4
+docker run --rm -it -v ~/olive:/opt/olive/olive olivevideoeditor/ci-olive:2022.1
 mkdir build
 cd build
 cmake .. -G Ninja
@@ -46,24 +46,24 @@ Rebuild all images locally:
 ```
 cd docker
 docker build -t olivevideoeditor/ci-common:2 -f ci-common/Dockerfile .
-docker build -t olivevideoeditor/ci-package-otio -f ci-otio/Dockerfile .
+docker build -t olivevideoeditor/ci-package-otio:0.14.1 -f ci-otio/Dockerfile .
 docker build -t olivevideoeditor/ci-package-crashpad -f ci-crashpad/Dockerfile .
-docker build -t olivevideoeditor/ci-package-ffmpeg:4.2.4 -f ci-ffmpeg/Dockerfile .
+docker build -t olivevideoeditor/ci-package-ffmpeg:5.0 -f ci-ffmpeg/Dockerfile .
 docker build -t olivevideoeditor/ci-package-ocio:2022-2.1.1 -f ci-ocio/Dockerfile .
-docker build -t olivevideoeditor/ci-olive:2021.4 -f ci-olive/Dockerfile .
+docker build -t olivevideoeditor/ci-olive:2022.1 -f ci-olive/Dockerfile .
 ```
 
-Note that `2021` in `ci-olive:2021.4` stands for the
-[VFX Reference Platform](http://vfxplatform.com/) calendar year and `4` for the
+Note that `2022` in `ci-olive:2022.1` stands for the
+[VFX Reference Platform](http://vfxplatform.com/) calendar year and `1` for the
 build image revision (should be incremented each time a new image is published).
 
 Publish images:
 
 ```
 docker push olivevideoeditor/ci-common:2
-docker push olivevideoeditor/ci-package-otio
+docker push olivevideoeditor/ci-package-otio:0.14.1
 docker push olivevideoeditor/ci-package-crashpad
-docker push olivevideoeditor/ci-package-ffmpeg:4.2.4
+docker push olivevideoeditor/ci-package-ffmpeg:5.0
 docker push olivevideoeditor/ci-package-ocio:2022-2.1.1
-docker push olivevideoeditor/ci-olive:2021.4
+docker push olivevideoeditor/ci-olive:2022.1
 ```
diff --git a/docker/ci-common/Dockerfile b/docker/ci-common/Dockerfile
index f6ef89435..f7da97214 100644
--- a/docker/ci-common/Dockerfile
+++ b/docker/ci-common/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # Copyright (c) Contributors to the aswf-docker Project. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 
@@ -9,7 +9,7 @@ ARG OLIVE_ORG=olivevideoeditor
 ARG ASWF_PKG_ORG=aswftesting
 ARG CI_COMMON_VERSION=2
 ARG DTS_VERSION=9
-ARG CMAKE_VERSION=3.19.3
+ARG CMAKE_VERSION=3.22.3
 
 FROM ${ASWF_PKG_ORG}/ci-package-clang:${CI_COMMON_VERSION} as ci-package-clang
 FROM ${ASWF_PKG_ORG}/ci-package-ninja:${CI_COMMON_VERSION} as ci-package-ninja
diff --git a/docker/ci-crashpad/Dockerfile b/docker/ci-crashpad/Dockerfile
index 76079b21c..0d2572a86 100644
--- a/docker/ci-crashpad/Dockerfile
+++ b/docker/ci-crashpad/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # Build image (default):
diff --git a/docker/ci-ffmpeg/Dockerfile b/docker/ci-ffmpeg/Dockerfile
index 952be59b3..bbfc50c34 100644
--- a/docker/ci-ffmpeg/Dockerfile
+++ b/docker/ci-ffmpeg/Dockerfile
@@ -1,26 +1,26 @@
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # Build image (default):
-#  docker build -t olivevideoeditor/ci-package-ffmpeg:4.2.4 -f ci-ffmpeg/Dockerfile .
+#  docker build -t olivevideoeditor/ci-package-ffmpeg:5.0 -f ci-ffmpeg/Dockerfile .
 
 ARG OLIVE_ORG=olivevideoeditor
 ARG CI_COMMON_VERSION=2
-ARG FFMPEG_VERSION=4.2.4
-ARG NASM_VERSION=2.15.03
+ARG FFMPEG_VERSION=5.0
+ARG NASM_VERSION=2.15.05
 ARG YASM_VERSION=1.3.0
-ARG AOM_VERSION=v2.0.1
-ARG X265_VERSION=3.4
-ARG OGG_VERSION=1.3.4
+ARG AOM_VERSION=v3.3.0
+ARG X265_VERSION=3.5
+ARG OGG_VERSION=1.3.5
 ARG OPUS_VERSION=1.3.1
 ARG VORBIS_VERSION=1.3.7
 ARG THEORA_VERSION=1.1.1
-ARG VPX_VERSION=1.9.0
-ARG WEBP_VERSION=1.1.0
+ARG VPX_VERSION=1.11.0
+ARG WEBP_VERSION=1.2.2
 ARG LAME_VERSION=3.100
-ARG XVID_VERSION=1.3.5
-ARG OPENJPEG_VERSION=2.3.1
-ARG LIBPNG_VERSION=1.6.31
+ARG XVID_VERSION=1.3.7
+ARG OPENJPEG_VERSION=2.4.0
+ARG LIBPNG_VERSION=1.6.37
 # TODO: Make version of x264 selectable?
 ARG NUM_JOBS=2
 
diff --git a/docker/ci-ocio/Dockerfile b/docker/ci-ocio/Dockerfile
index 0727821bd..60e7fd83f 100644
--- a/docker/ci-ocio/Dockerfile
+++ b/docker/ci-ocio/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # Build image (default):
@@ -7,7 +7,7 @@
 ARG OLIVE_ORG=olivevideoeditor
 ARG ASWF_PKG_ORG=aswftesting
 ARG CI_COMMON_VERSION=2
-ARG VFXPLATFORM_VERSION=2021
+ARG VFXPLATFORM_VERSION=2022
 # OCIO repo branch or tag name
 ARG OCIO_VERSION=v2.1.1
 # Latest configs ~3 GB because of ACES 1.0.x.
diff --git a/docker/ci-oiio/Dockerfile b/docker/ci-oiio/Dockerfile
new file mode 100644
index 000000000..27421beeb
--- /dev/null
+++ b/docker/ci-oiio/Dockerfile
@@ -0,0 +1,67 @@
+# Copyright (C) 2022 Olive Team
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Build image (default):
+#  docker build -t olivevideoeditor/ci-package-oiio:2.3.13.0 -f ci-oiio/Dockerfile .
+
+ARG ASWF_PKG_ORG=aswftesting
+ARG OLIVE_ORG=olivevideoeditor
+ARG CI_COMMON_VERSION=2
+ARG VFXPLATFORM_VERSION=2022
+ARG OIIO_VERSION=v2.3.13.0
+ARG YASM_VERSION=1.3.0
+ARG JPEG_TURBO_VERSION=2.1.3
+
+FROM ${ASWF_PKG_ORG}/ci-package-boost:${VFXPLATFORM_VERSION} as ci-package-boost
+FROM ${ASWF_PKG_ORG}/ci-package-openexr:${VFXPLATFORM_VERSION} as ci-package-openexr
+FROM ${ASWF_PKG_ORG}/ci-package-imath:${VFXPLATFORM_VERSION} as ci-package-imath
+
+FROM ${OLIVE_ORG}/ci-common:${CI_COMMON_VERSION} as ci-oiio
+
+ARG OLIVE_ORG
+ARG VFXPLATFORM_VERSION
+ARG OIIO_VERSION
+ARG YASM_VERSION
+ARG JPEG_TURBO_VERSION
+
+LABEL maintainer="olivevideoeditor@gmail.com"
+LABEL com.vfxplatform.version=$VFXPLATFORM_VERSION
+LABEL org.opencontainers.image.name="$OLIVE_ORG/ci-oiio"
+LABEL org.opencontainers.image.description="CentOS OpenImageIO Build Image"
+LABEL org.opencontainers.image.url="http://olivevideoeditor.org"
+LABEL org.opencontainers.image.source="https://github.com/olive-editor/olive"
+LABEL org.opencontainers.image.vendor="Olive Team"
+LABEL org.opencontainers.image.version="1.0"
+LABEL org.opencontainers.image.licenses="GPL-3.0-or-later"
+
+ENV OLIVE_ORG=${OLIVE_ORG} \
+    VFXPLATFORM_VERSION=${VFXPLATFORM_VERSION} \
+    OIIO_VERSION=${OIIO_VERSION} \
+    YASM_VERSION=${YASM_VERSION} \
+    JPEG_TURBO_VERSION=${JPEG_TURBO_VERSION} \
+    OLIVE_INSTALL_PREFIX=/usr/local
+
+COPY scripts/build_oiio.sh \
+     /tmp/
+
+COPY --from=ci-package-boost /. /usr/local/
+COPY --from=ci-package-openexr /. /usr/local/
+COPY --from=ci-package-imath /. /usr/local/
+
+RUN curl -fLsS -o yasm.tar.gz "http://www.tortall.net/projects/yasm/releases/yasm-${YASM_VERSION}.tar.gz" && \
+    tar xf yasm.tar.gz && \
+    rm -f yasm.tar.gz && \
+    cd yasm* && \
+    ./configure --prefix="${OLIVE_INSTALL_PREFIX}" && \
+    make -j$(nproc) && \
+    make install && \
+    cd .. && \
+    rm -rf yasm*
+
+RUN /tmp/before_build.sh && \
+    /tmp/build_oiio.sh && \
+    /tmp/copy_new_files.sh
+
+FROM scratch as ci-package-oiio
+
+COPY --from=ci-oiio /package/. /
diff --git a/docker/ci-olive/Dockerfile b/docker/ci-olive/Dockerfile
index 3b0ff3166..b4fb4ac11 100644
--- a/docker/ci-olive/Dockerfile
+++ b/docker/ci-olive/Dockerfile
@@ -1,8 +1,8 @@
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # Build image (default):
-#  docker build -t olivevideoeditor/ci-olive:2021.4 -f ci-olive/Dockerfile .
+#  docker build -t olivevideoeditor/ci-olive:2022.1 -f ci-olive/Dockerfile .
 #
 # .n is the build image revision number. It should be incremented each time a
 # new image is published (also update the GitHub Actions workflow!).
@@ -11,27 +11,36 @@
 ARG OLIVE_ORG=olivevideoeditor
 ARG ASWF_PKG_ORG=aswftesting
 ARG CI_COMMON_VERSION=2
-ARG VFXPLATFORM_VERSION=2021
+ARG VFXPLATFORM_VERSION=2022
 ARG OCIO_VERSION=2.1.1
-ARG FFMPEG_VERSION=4.2.4
+ARG FFMPEG_VERSION=5.0
+ARG OTIO_VERSION=0.14.1
+ARG OIIO_VERSION=2.3.13.0
 
 FROM ${ASWF_PKG_ORG}/ci-package-qt:${VFXPLATFORM_VERSION} as ci-package-qt
 FROM ${ASWF_PKG_ORG}/ci-package-python:${VFXPLATFORM_VERSION} as ci-package-python
 FROM ${ASWF_PKG_ORG}/ci-package-boost:${VFXPLATFORM_VERSION} as ci-package-boost
+FROM ${ASWF_PKG_ORG}/ci-package-imath:${VFXPLATFORM_VERSION} as ci-package-imath
 FROM ${ASWF_PKG_ORG}/ci-package-openexr:${VFXPLATFORM_VERSION} as ci-package-openexr
+# A custom OIIO package without OpenVDB/Blosc/TBB would be smaller,
+# but it currently does not pick up libwebp for some reason.
+#FROM ${OLIVE_ORG}/ci-package-oiio:${OIIO_VERSION} as ci-package-oiio
 FROM ${ASWF_PKG_ORG}/ci-package-oiio:${VFXPLATFORM_VERSION} as ci-package-oiio
+FROM ${ASWF_PKG_ORG}/ci-package-openvdb:${VFXPLATFORM_VERSION} as ci-package-openvdb
+FROM ${ASWF_PKG_ORG}/ci-package-blosc:${VFXPLATFORM_VERSION} as ci-package-blosc
+FROM ${ASWF_PKG_ORG}/ci-package-tbb:${VFXPLATFORM_VERSION} as ci-package-tbb
 #FROM ${ASWF_PKG_ORG}/ci-package-ocio:${VFXPLATFORM_VERSION}-${OCIO_VERSION} as ci-package-ocio
 # Our package is compiled as RelWithDebInfo
 FROM ${OLIVE_ORG}/ci-package-ocio:${VFXPLATFORM_VERSION}-${OCIO_VERSION} as ci-package-ocio
 FROM ${OLIVE_ORG}/ci-package-ffmpeg:${FFMPEG_VERSION} as ci-package-ffmpeg
 FROM ${OLIVE_ORG}/ci-package-crashpad:latest as ci-package-crashpad
-FROM ${OLIVE_ORG}/ci-package-otio:latest as ci-package-otio
+FROM ${OLIVE_ORG}/ci-package-otio:${OTIO_VERSION} as ci-package-otio
 
 FROM ${OLIVE_ORG}/ci-common:${CI_COMMON_VERSION} as ci-olive
 
 ARG OLIVE_ORG
 ARG VFXPLATFORM_VERSION
-ARG PYTHON_VERSION=3.7
+ARG PYTHON_VERSION=3.9
 
 LABEL maintainer="olivevideoeditor@gmail.com"
 LABEL com.vfxplatform.version=$VFXPLATFORM_VERSION
@@ -50,8 +59,13 @@ ENV PYTHONPATH=/usr/local/lib/python${PYTHON_VERSION}/site-packages:${PYTHONPATH
 COPY --from=ci-package-qt /. /usr/local/
 COPY --from=ci-package-python /. /usr/local/
 COPY --from=ci-package-boost /. /usr/local/
+COPY --from=ci-package-imath /. /usr/local/
 COPY --from=ci-package-openexr /. /usr/local/
 COPY --from=ci-package-oiio /. /usr/local/
+# The ASWF OIIO package requires OpenVDB, Blosc, and TBB
+COPY --from=ci-package-openvdb /. /usr/local/
+COPY --from=ci-package-blosc /. /usr/local/
+COPY --from=ci-package-tbb /. /usr/local/
 COPY --from=ci-package-ocio /. /usr/local/
 COPY --from=ci-package-ffmpeg /. /usr/local/
 COPY --from=ci-package-crashpad /. /usr/local/
diff --git a/docker/ci-otio/Dockerfile b/docker/ci-otio/Dockerfile
index aeed69e94..1c2bdc94f 100644
--- a/docker/ci-otio/Dockerfile
+++ b/docker/ci-otio/Dockerfile
@@ -1,13 +1,14 @@
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # Build image (default):
-#  docker build -t olivevideoeditor/ci-package-otio -f ci-otio/Dockerfile .
+#  docker build -t olivevideoeditor/ci-package-otio:0.14.1 -f ci-otio/Dockerfile .
 
 ARG OLIVE_ORG=olivevideoeditor
 ARG ASWF_PKG_ORG=aswftesting
 ARG CI_COMMON_VERSION=2
-ARG VFXPLATFORM_VERSION=2021
+ARG VFXPLATFORM_VERSION=2022
+ARG OTIO_VERSION=v0.14.1
 
 # We are currently not interested in the Python implementation and bindings
 #FROM ${ASWF_PKG_ORG}/ci-package-python:${VFXPLATFORM_VERSION} as ci-package-python
@@ -18,7 +19,8 @@ FROM ${OLIVE_ORG}/ci-common:${CI_COMMON_VERSION} as ci-otio
 
 ARG OLIVE_ORG
 ARG VFXPLATFORM_VERSION
-ARG PYTHON_VERSION=3.7
+ARG OTIO_VERSION
+ARG PYTHON_VERSION=3.9
 
 LABEL maintainer="olivevideoeditor@gmail.com"
 LABEL com.vfxplatform.version=$VFXPLATFORM_VERSION
@@ -33,22 +35,17 @@ LABEL org.opencontainers.image.licenses="GPL-3.0-or-later"
 ENV OLIVE_ORG=${OLIVE_ORG} \
     CI_COMMON_VERSION=${CI_COMMON_VERSION} \
     VFXPLATFORM_VERSION=${VFXPLATFORM_VERSION} \
+    OTIO_VERSION=${OTIO_VERSION} \
     OLIVE_INSTALL_PREFIX=/usr/local
 #   PYTHONPATH=/usr/local/lib/python${PYTHON_VERSION}/site-packages:/usr/local/lib/python \
 
-COPY scripts/base/install_cmake.sh \
-     scripts/build_otio.sh \
+COPY scripts/build_otio.sh \
      /tmp/
 
 #COPY --from=ci-package-python /. /usr/local/
 #COPY --from=ci-package-qt /. /usr/local/
 #COPY --from=ci-package-pyside /. /usr/local/
 
-RUN export DOWNLOADS_DIR=/tmp/downloads && \
-    mkdir /tmp/downloads && \
-    /tmp/install_cmake.sh && \
-    rm -rf /tmp/downloads
-
 RUN /tmp/before_build.sh && \
     /tmp/build_otio.sh && \
     /tmp/copy_new_files.sh
diff --git a/docker/scripts/build_crashpad.sh b/docker/scripts/build_crashpad.sh
index 056fa3419..f973b7152 100644
--- a/docker/scripts/build_crashpad.sh
+++ b/docker/scripts/build_crashpad.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 set -ex
diff --git a/docker/scripts/build_ffmpeg.sh b/docker/scripts/build_ffmpeg.sh
index 646129a6a..1d59504ad 100644
--- a/docker/scripts/build_ffmpeg.sh
+++ b/docker/scripts/build_ffmpeg.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # Largely based on https://trac.ffmpeg.org/wiki/CompilationGuide/Centos
@@ -213,7 +213,7 @@ wait
 
 ### Set up xvid
 {
-    curl -fLsS -o xvidcore.tar.gz "http://downloads.xvid.org/downloads/xvidcore-${XVID_VERSION}.tar.gz"
+    curl -fLsS -o xvidcore.tar.gz "https://downloads.xvid.com/downloads/xvidcore-${XVID_VERSION}.tar.gz"
     tar xf xvidcore.tar.gz
     rm -f xvidcore.tar.gz
     cd xvidcore/build/generic
diff --git a/docker/scripts/build_ocio.sh b/docker/scripts/build_ocio.sh
index bff05dadb..9cc157dfe 100644
--- a/docker/scripts/build_ocio.sh
+++ b/docker/scripts/build_ocio.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 set -ex
diff --git a/docker/scripts/build_oiio.sh b/docker/scripts/build_oiio.sh
new file mode 100644
index 000000000..97d8c8b51
--- /dev/null
+++ b/docker/scripts/build_oiio.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+# Copyright (C) 2022 Olive Team
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+set -ex
+
+# TODO: Move to install_yumpackages.sh
+yum install -y \
+    libtiff \
+    libtiff-devel \
+    libpng \
+    libpng-devel
+
+git clone --depth 1 --branch "$JPEG_TURBO_VERSION" https://github.com/libjpeg-turbo/libjpeg-turbo
+cd libjpeg-turbo
+mkdir build
+cd build
+cmake -DCMAKE_INSTALL_PREFIX="${OLIVE_INSTALL_PREFIX}" \
+      ..
+make -j$(nproc)
+make install
+cd ../..
+rm -rf libjpeg-turbo
+
+
+# TODO: Make OIIO pick up WebP (missing: WEBPDEMUX_LIBRARY)
+git clone --depth 1 --branch "$OIIO_VERSION" https://github.com/OpenImageIO/oiio.git
+cd oiio
+
+mkdir build
+cd build
+cmake -DCMAKE_INSTALL_PREFIX="${OLIVE_INSTALL_PREFIX}" \
+      -DOIIO_BUILD_TOOLS=OFF \
+      -DOIIO_BUILD_TESTS=OFF \
+      -DVERBOSE=ON \
+      -DUSE_PYTHON=0 \
+      -DBoost_NO_BOOST_CMAKE=ON \
+      ..
+make -j$(nproc)
+make install
+
+cd ../..
+rm -rf oiio
diff --git a/docker/scripts/build_otio.sh b/docker/scripts/build_otio.sh
index 305af1ff9..b232e35ab 100644
--- a/docker/scripts/build_otio.sh
+++ b/docker/scripts/build_otio.sh
@@ -1,16 +1,12 @@
 #!/usr/bin/env bash
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 set -ex
 
-git clone --depth 1 https://github.com/PixarAnimationStudios/OpenTimelineIO.git
+git clone --depth 1 --branch "$OTIO_VERSION" https://github.com/PixarAnimationStudios/OpenTimelineIO.git
 cd OpenTimelineIO
 
-#if [ "$OTIO_VERSION" != "latest" ]; then
-#    git checkout "tags/v${OTIO_VERSION}" -b "v${OTIO_VERSION}"
-#fi
-
 #pip install --prefix="${OLIVE_INSTALL_PREFIX}" .
 
 mkdir build
diff --git a/docker/scripts/common/install_yumpackages.sh b/docker/scripts/common/install_yumpackages.sh
index f32fa0d3c..f32c55b22 100644
--- a/docker/scripts/common/install_yumpackages.sh
+++ b/docker/scripts/common/install_yumpackages.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright (C) 2021 Olive Team
+# Copyright (C) 2022 Olive Team
 # Copyright (c) Contributors to the aswf-docker Project. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later