diff --git a/Dockerfile b/Dockerfile
index e82a5ec1e66..4eb5bbf3702 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,12 +4,12 @@
 #       Changes to this file must be copied over to the other file.
 ARG GUI=without
 
-FROM ubuntu:24.04@sha256:4fbb8e6a8395de5a7550b33509421a2bafbc0aab6c06ba2cef9ebffbc7092d90 AS common_start
+FROM ubuntu:26.04@sha256:e5a4d6262ab5dbc25a85e60550dd7c87fd41a74fe43881534ed8288b2a7a3f8d AS common_start
 
-ARG BASE_NAME="ubuntu:24.04"
-ARG PYTHON_VERSION=3.12
+ARG BASE_NAME="ubuntu:26.04"
+ARG PYTHON_VERSION=3.14
 # renovate: datasource=github-tags depName=libgeos/geos
-ARG GEOS_VERSION=3.14.1
+ARG GEOS_VERSION=3.15.0
 # renovate: datasource=github-tags depName=OSGeo/PROJ
 ARG PROJ_VERSION=9.8.1
 # renovate: datasource=github-tags depName=OSGeo/gdal
@@ -19,7 +19,7 @@ ARG PDAL_VERSION=2.10.2
 # renovate: datasource=github-tags depName=OSGeo/gdal-grass
 ARG GDAL_GRASS_VERSION=2.0.0
 # renovate: datasource=pypi depName=wxPython
-ARG WXPYTHON_VERSION=4.2.5
+ARG WXPYTHON_VERSION=4.3.1
 
 # Have build parameters as build arguments?
 # ARG LDFLAGS="-s -Wl,--no-undefined -lblas"
@@ -32,6 +32,12 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 SHELL ["/bin/bash", "-c"]
 
+# If you do not use any Gnome Accessibility features, to suppress warning
+# WARNING **: Couldn't connect to accessibility bus:
+# execute programs with
+ENV NO_AT_BRIDGE=1
+
+# Install runtime-packages
 # Todo: re-consider required dev packages for addons (~400MB in dev packages)
 ARG GRASS_RUN_PACKAGES="\
   bison \
@@ -45,7 +51,7 @@ ARG GRASS_RUN_PACKAGES="\
   gcc \
   git \
   language-pack-en-base \
-  libarmadillo12 \
+  libarmadillo15 \
   libcairo2 \
   libcurl4-gnutls-dev \
   libfftw3-bin \
@@ -55,7 +61,7 @@ ARG GRASS_RUN_PACKAGES="\
   libgeotiff5 \
   libgif7 \
   libgsl-dev \
-  libgsl27 \
+  libgsl28 \
   libhdf5-dev \
   libjpeg-turbo8 \
   libjson-c5 \
@@ -68,7 +74,7 @@ ARG GRASS_RUN_PACKAGES="\
   liblapacke-dev \
   liblz4-1 \
   libmagic-mgc \
-  libmagic1 \
+  libmagic1t64 \
   libmuparser2v5 \
   libncurses6 \
   libomp-dev \
@@ -80,7 +86,7 @@ ARG GRASS_RUN_PACKAGES="\
   libpq-dev \
   libpq5 \
   libpython3-all-dev \
-  libreadline8 \
+  libreadline8t64 \
   libspatialite8t64 \
   libsqlite3-0 \
   libsqlite3-mod-spatialite \
@@ -108,24 +114,34 @@ ARG GRASS_RUN_PACKAGES="\
   zlib1g \
 "
 
-ARG GRASS_GUI_RUN_PACKAGES=" \
-  adwaita-icon-theme-full \
-  gettext \
-  libglu1-mesa \
-  libglut3.12 \
-  libgstreamer-plugins-base1.0 \
-  libgtk-3-0 \
-  libjpeg8 \
-  libnotify4 \
-  libpng16-16 \
-  librsvg2-common \
-  libsdl2-2.0-0 \
-  libsm6 \
-  libtiff6 \
-  libwebkit2gtk-4.1 \
-  libxtst6 \
-  python3-wxgtk4.0 \
-"
+# hadolint ignore=SC2086,DL3008
+RUN apt-get update \
+    && apt-get upgrade -y \
+    && apt-get install -y --no-install-recommends --no-install-suggests \
+    $GRASS_RUN_PACKAGES \
+    && apt-get autoremove -y \
+    && apt-get clean all \
+    && rm -rf /var/lib/apt/lists/*
+
+## fetch vertical datums for PDAL and store into PROJ dir
+# WORKDIR /src
+
+# Get datum grids
+# Currently using https://proj.org/en/9.3/usage/network.html#how-to-enable-network-capabilities
+# FROM ubuntu:26.04 AS datum_grids
+
+# # See: https://github.com/OSGeo/PROJ-data
+# RUN apt-get update \
+#     && apt-get install  -y --no-install-recommends --no-install-suggests \
+#     wget \
+#     && apt-get clean all \
+#     && rm -rf /var/lib/apt/lists/*
+
+# WORKDIR /tmp
+# RUN wget -q --no-check-certificate -r -l inf -A tif https://cdn.proj.org/
+
+# Start build stage
+FROM common_start AS build_common
 
 # Define build packages
 ARG GRASS_BUILD_PACKAGES="\
@@ -134,10 +150,11 @@ ARG GRASS_BUILD_PACKAGES="\
   libbz2-dev \
   libarmadillo-dev \
   libcairo2-dev \
-  libfreetype6-dev \
+  libfreetype-dev \
   libfyba-dev \
   libgeotiff-dev \
   libgif-dev \
+  libglu1-mesa-dev \
   libjpeg-dev \
   libjson-c-dev \
   libkml-dev \
@@ -155,6 +172,7 @@ ARG GRASS_BUILD_PACKAGES="\
   libtiff-dev \
   libxerces-c-dev \
   libzstd-dev \
+  gettext \
   mesa-common-dev \
   ninja-build \
   unixodbc-dev \
@@ -163,53 +181,17 @@ ARG GRASS_BUILD_PACKAGES="\
 "
 
 ARG GRASS_PYTHON_PACKAGES="\
-    matplotlib \
-    numpy \
-    packaging>=25.0 \
-    Pillow>=10.3.0 \
-    psycopg2 \
-    python-dateutil \
-    python-magic \
-    setuptools==80.9.0 \
-    cython \
-    "
-
-# If you do not use any Gnome Accessibility features, to suppress warning
-# WARNING **: Couldn't connect to accessibility bus:
-# execute programs with
-ENV NO_AT_BRIDGE=1
-
-# Install runtime-packages
-# hadolint ignore=SC2086,DL3008
-RUN apt-get update \
-    && apt-get upgrade -y \
-    && apt-get install -y --no-install-recommends --no-install-suggests \
-    $GRASS_RUN_PACKAGES \
-    && apt-get autoremove -y \
-    && apt-get clean all \
-    && rm -rf /var/lib/apt/lists/*
-
-## fetch vertical datums for PDAL and store into PROJ dir
-# WORKDIR /src
-
-# # Get datum grids
-# # Currently using https://proj.org/en/9.3/usage/network.html#how-to-enable-network-capabilities
-# FROM ubuntu:24.04 AS datum_grids
-
-# # See: https://github.com/OSGeo/PROJ-data
-# RUN apt-get update \
-#     && apt-get install  -y --no-install-recommends --no-install-suggests \
-#     wget \
-#     && apt-get clean all \
-#     && rm -rf /var/lib/apt/lists/*
-
-# WORKDIR /tmp
-# RUN wget -q --no-check-certificate -r -l inf -A tif https://cdn.proj.org/
-
-# Start build stage
-FROM common_start AS build_common
+  matplotlib \
+  numpy \
+  packaging>=25.0 \
+  Pillow>=10.3.0 \
+  psycopg2 \
+  python-dateutil \
+  python-magic \
+  setuptools \
+  cython \
+"
 
-# Add build packages
 # hadolint ignore=SC2086,DL3008,DL3013
 RUN apt-get update \
     && apt-get install -y --no-install-recommends --no-install-suggests \
@@ -297,11 +279,26 @@ ARG GRASS_GUI_CONFIG="\
   --with-x \
 "
 
+COPY . /src/grass_build/
+
+# copy grass source
+WORKDIR /src/grass_build
+
+ENV LD_LIBRARY_PATH="/usr/local/lib:/usr/lib" \
+    LDFLAGS="-s -Wl,--no-undefined -lblas" \
+    CFLAGS="-O2 -std=gnu99" \
+    CXXFLAGS="" \
+    NUMTHREADS=$NUMTHREADS
+
+FROM build_grass_config AS build_grass_with_gui
+
+ARG GRASS_CONFIG="$GRASS_CONFIG $GRASS_GUI_CONFIG"
+
 # librsvg2-common \
 # (fix error (wxgui.py:7782): Gtk-WARNING **: 19:53:09.774:
 # Could not load a pixbuf from /org/gtk/libgtk/theme/Adwaita/assets/check-symbolic.svg.
 # This may indicate that pixbuf loaders or the mime database could not be found.)
-ARG GRASS_GUI_BUILD_PACKAGES=" \
+ARG GRASS_GUI_PACKAGES=" \
   freeglut3-dev \
   libgl1-mesa-dev \
   libglu1-mesa-dev \
@@ -317,31 +314,15 @@ ARG GRASS_GUI_BUILD_PACKAGES=" \
   libxtst-dev \
 "
 
-COPY . /src/grass_build/
-
-# copy grass source
-WORKDIR /src/grass_build
-
-ENV LD_LIBRARY_PATH="/usr/local/lib:/usr/lib" \
-    LDFLAGS="-s -Wl,--no-undefined -lblas" \
-    CFLAGS="-O2 -std=gnu99" \
-    CXXFLAGS="" \
-    NUMTHREADS=$NUMTHREADS
-
-FROM build_grass_config AS build_grass_with_gui
-
-ARG GRASS_CONFIG="$GRASS_CONFIG $GRASS_GUI_CONFIG"
-ARG GRASS_GUI_PACKAGES="$GRASS_GUI_RUN_PACKAGES $GRASS_GUI_BUILD_PACKAGES"
-
 # hadolint ignore=DL3008
 RUN echo "Installing GRASS GUI packages: $GRASS_GUI_PACKAGES" \
     && apt-get update \
     && apt-get upgrade -y \
     && apt-get install -y --no-install-recommends --no-install-suggests \
     $GRASS_GUI_PACKAGES \
-    && python3 -m pip install  -U --break-system-packages --no-cache-dir --upgrade \
-    -f https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-24.04 \
-    "wxpython==${WXPYTHON_VERSION}" \
+    && PY_TAG=$(python3 -c "import sys; print(f'cp{sys.version_info.major}{sys.version_info.minor}')") \
+    && python3 -m pip install -U --break-system-packages --no-cache-dir \
+        "https://github.com/wxWidgets/Phoenix/releases/download/wxPython-${WXPYTHON_VERSION}/wxpython-${WXPYTHON_VERSION}%2Bubuntu2604-${PY_TAG}-${PY_TAG}-linux_x86_64.whl" \
     # Clean up
     && pip cache purge \
     && apt-get autoremove -y \
@@ -416,6 +397,24 @@ RUN echo "No additional steps needed without GUI."
 
 FROM common_start AS grass_final_with_gui
 
+ARG GRASS_GUI_RUN_PACKAGES=" \
+  adwaita-icon-theme \
+  gettext \
+  libglu1-mesa \
+  libglut3.12 \
+  libgstreamer-plugins-base1.0-0 \
+  libgtk-3-0t64 \
+  libjpeg8 \
+  libnotify4 \
+  libpng16-16t64 \
+  librsvg2-common \
+  libsdl2-2.0-0 \
+  libsm6 \
+  libtiff6 \
+  libwebkit2gtk-4.1-0 \
+  libxtst6 \
+  python3-wxgtk4.0 \
+"
 # hadolint ignore=SC2086,DL3008
 RUN apt-get update \
     && apt-get upgrade -y \
diff --git a/docker/ubuntu/Dockerfile b/docker/ubuntu/Dockerfile
index e82a5ec1e66..4eb5bbf3702 100644
--- a/docker/ubuntu/Dockerfile
+++ b/docker/ubuntu/Dockerfile
@@ -4,12 +4,12 @@
 #       Changes to this file must be copied over to the other file.
 ARG GUI=without
 
-FROM ubuntu:24.04@sha256:4fbb8e6a8395de5a7550b33509421a2bafbc0aab6c06ba2cef9ebffbc7092d90 AS common_start
+FROM ubuntu:26.04@sha256:e5a4d6262ab5dbc25a85e60550dd7c87fd41a74fe43881534ed8288b2a7a3f8d AS common_start
 
-ARG BASE_NAME="ubuntu:24.04"
-ARG PYTHON_VERSION=3.12
+ARG BASE_NAME="ubuntu:26.04"
+ARG PYTHON_VERSION=3.14
 # renovate: datasource=github-tags depName=libgeos/geos
-ARG GEOS_VERSION=3.14.1
+ARG GEOS_VERSION=3.15.0
 # renovate: datasource=github-tags depName=OSGeo/PROJ
 ARG PROJ_VERSION=9.8.1
 # renovate: datasource=github-tags depName=OSGeo/gdal
@@ -19,7 +19,7 @@ ARG PDAL_VERSION=2.10.2
 # renovate: datasource=github-tags depName=OSGeo/gdal-grass
 ARG GDAL_GRASS_VERSION=2.0.0
 # renovate: datasource=pypi depName=wxPython
-ARG WXPYTHON_VERSION=4.2.5
+ARG WXPYTHON_VERSION=4.3.1
 
 # Have build parameters as build arguments?
 # ARG LDFLAGS="-s -Wl,--no-undefined -lblas"
@@ -32,6 +32,12 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 SHELL ["/bin/bash", "-c"]
 
+# If you do not use any Gnome Accessibility features, to suppress warning
+# WARNING **: Couldn't connect to accessibility bus:
+# execute programs with
+ENV NO_AT_BRIDGE=1
+
+# Install runtime-packages
 # Todo: re-consider required dev packages for addons (~400MB in dev packages)
 ARG GRASS_RUN_PACKAGES="\
   bison \
@@ -45,7 +51,7 @@ ARG GRASS_RUN_PACKAGES="\
   gcc \
   git \
   language-pack-en-base \
-  libarmadillo12 \
+  libarmadillo15 \
   libcairo2 \
   libcurl4-gnutls-dev \
   libfftw3-bin \
@@ -55,7 +61,7 @@ ARG GRASS_RUN_PACKAGES="\
   libgeotiff5 \
   libgif7 \
   libgsl-dev \
-  libgsl27 \
+  libgsl28 \
   libhdf5-dev \
   libjpeg-turbo8 \
   libjson-c5 \
@@ -68,7 +74,7 @@ ARG GRASS_RUN_PACKAGES="\
   liblapacke-dev \
   liblz4-1 \
   libmagic-mgc \
-  libmagic1 \
+  libmagic1t64 \
   libmuparser2v5 \
   libncurses6 \
   libomp-dev \
@@ -80,7 +86,7 @@ ARG GRASS_RUN_PACKAGES="\
   libpq-dev \
   libpq5 \
   libpython3-all-dev \
-  libreadline8 \
+  libreadline8t64 \
   libspatialite8t64 \
   libsqlite3-0 \
   libsqlite3-mod-spatialite \
@@ -108,24 +114,34 @@ ARG GRASS_RUN_PACKAGES="\
   zlib1g \
 "
 
-ARG GRASS_GUI_RUN_PACKAGES=" \
-  adwaita-icon-theme-full \
-  gettext \
-  libglu1-mesa \
-  libglut3.12 \
-  libgstreamer-plugins-base1.0 \
-  libgtk-3-0 \
-  libjpeg8 \
-  libnotify4 \
-  libpng16-16 \
-  librsvg2-common \
-  libsdl2-2.0-0 \
-  libsm6 \
-  libtiff6 \
-  libwebkit2gtk-4.1 \
-  libxtst6 \
-  python3-wxgtk4.0 \
-"
+# hadolint ignore=SC2086,DL3008
+RUN apt-get update \
+    && apt-get upgrade -y \
+    && apt-get install -y --no-install-recommends --no-install-suggests \
+    $GRASS_RUN_PACKAGES \
+    && apt-get autoremove -y \
+    && apt-get clean all \
+    && rm -rf /var/lib/apt/lists/*
+
+## fetch vertical datums for PDAL and store into PROJ dir
+# WORKDIR /src
+
+# Get datum grids
+# Currently using https://proj.org/en/9.3/usage/network.html#how-to-enable-network-capabilities
+# FROM ubuntu:26.04 AS datum_grids
+
+# # See: https://github.com/OSGeo/PROJ-data
+# RUN apt-get update \
+#     && apt-get install  -y --no-install-recommends --no-install-suggests \
+#     wget \
+#     && apt-get clean all \
+#     && rm -rf /var/lib/apt/lists/*
+
+# WORKDIR /tmp
+# RUN wget -q --no-check-certificate -r -l inf -A tif https://cdn.proj.org/
+
+# Start build stage
+FROM common_start AS build_common
 
 # Define build packages
 ARG GRASS_BUILD_PACKAGES="\
@@ -134,10 +150,11 @@ ARG GRASS_BUILD_PACKAGES="\
   libbz2-dev \
   libarmadillo-dev \
   libcairo2-dev \
-  libfreetype6-dev \
+  libfreetype-dev \
   libfyba-dev \
   libgeotiff-dev \
   libgif-dev \
+  libglu1-mesa-dev \
   libjpeg-dev \
   libjson-c-dev \
   libkml-dev \
@@ -155,6 +172,7 @@ ARG GRASS_BUILD_PACKAGES="\
   libtiff-dev \
   libxerces-c-dev \
   libzstd-dev \
+  gettext \
   mesa-common-dev \
   ninja-build \
   unixodbc-dev \
@@ -163,53 +181,17 @@ ARG GRASS_BUILD_PACKAGES="\
 "
 
 ARG GRASS_PYTHON_PACKAGES="\
-    matplotlib \
-    numpy \
-    packaging>=25.0 \
-    Pillow>=10.3.0 \
-    psycopg2 \
-    python-dateutil \
-    python-magic \
-    setuptools==80.9.0 \
-    cython \
-    "
-
-# If you do not use any Gnome Accessibility features, to suppress warning
-# WARNING **: Couldn't connect to accessibility bus:
-# execute programs with
-ENV NO_AT_BRIDGE=1
-
-# Install runtime-packages
-# hadolint ignore=SC2086,DL3008
-RUN apt-get update \
-    && apt-get upgrade -y \
-    && apt-get install -y --no-install-recommends --no-install-suggests \
-    $GRASS_RUN_PACKAGES \
-    && apt-get autoremove -y \
-    && apt-get clean all \
-    && rm -rf /var/lib/apt/lists/*
-
-## fetch vertical datums for PDAL and store into PROJ dir
-# WORKDIR /src
-
-# # Get datum grids
-# # Currently using https://proj.org/en/9.3/usage/network.html#how-to-enable-network-capabilities
-# FROM ubuntu:24.04 AS datum_grids
-
-# # See: https://github.com/OSGeo/PROJ-data
-# RUN apt-get update \
-#     && apt-get install  -y --no-install-recommends --no-install-suggests \
-#     wget \
-#     && apt-get clean all \
-#     && rm -rf /var/lib/apt/lists/*
-
-# WORKDIR /tmp
-# RUN wget -q --no-check-certificate -r -l inf -A tif https://cdn.proj.org/
-
-# Start build stage
-FROM common_start AS build_common
+  matplotlib \
+  numpy \
+  packaging>=25.0 \
+  Pillow>=10.3.0 \
+  psycopg2 \
+  python-dateutil \
+  python-magic \
+  setuptools \
+  cython \
+"
 
-# Add build packages
 # hadolint ignore=SC2086,DL3008,DL3013
 RUN apt-get update \
     && apt-get install -y --no-install-recommends --no-install-suggests \
@@ -297,11 +279,26 @@ ARG GRASS_GUI_CONFIG="\
   --with-x \
 "
 
+COPY . /src/grass_build/
+
+# copy grass source
+WORKDIR /src/grass_build
+
+ENV LD_LIBRARY_PATH="/usr/local/lib:/usr/lib" \
+    LDFLAGS="-s -Wl,--no-undefined -lblas" \
+    CFLAGS="-O2 -std=gnu99" \
+    CXXFLAGS="" \
+    NUMTHREADS=$NUMTHREADS
+
+FROM build_grass_config AS build_grass_with_gui
+
+ARG GRASS_CONFIG="$GRASS_CONFIG $GRASS_GUI_CONFIG"
+
 # librsvg2-common \
 # (fix error (wxgui.py:7782): Gtk-WARNING **: 19:53:09.774:
 # Could not load a pixbuf from /org/gtk/libgtk/theme/Adwaita/assets/check-symbolic.svg.
 # This may indicate that pixbuf loaders or the mime database could not be found.)
-ARG GRASS_GUI_BUILD_PACKAGES=" \
+ARG GRASS_GUI_PACKAGES=" \
   freeglut3-dev \
   libgl1-mesa-dev \
   libglu1-mesa-dev \
@@ -317,31 +314,15 @@ ARG GRASS_GUI_BUILD_PACKAGES=" \
   libxtst-dev \
 "
 
-COPY . /src/grass_build/
-
-# copy grass source
-WORKDIR /src/grass_build
-
-ENV LD_LIBRARY_PATH="/usr/local/lib:/usr/lib" \
-    LDFLAGS="-s -Wl,--no-undefined -lblas" \
-    CFLAGS="-O2 -std=gnu99" \
-    CXXFLAGS="" \
-    NUMTHREADS=$NUMTHREADS
-
-FROM build_grass_config AS build_grass_with_gui
-
-ARG GRASS_CONFIG="$GRASS_CONFIG $GRASS_GUI_CONFIG"
-ARG GRASS_GUI_PACKAGES="$GRASS_GUI_RUN_PACKAGES $GRASS_GUI_BUILD_PACKAGES"
-
 # hadolint ignore=DL3008
 RUN echo "Installing GRASS GUI packages: $GRASS_GUI_PACKAGES" \
     && apt-get update \
     && apt-get upgrade -y \
     && apt-get install -y --no-install-recommends --no-install-suggests \
     $GRASS_GUI_PACKAGES \
-    && python3 -m pip install  -U --break-system-packages --no-cache-dir --upgrade \
-    -f https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-24.04 \
-    "wxpython==${WXPYTHON_VERSION}" \
+    && PY_TAG=$(python3 -c "import sys; print(f'cp{sys.version_info.major}{sys.version_info.minor}')") \
+    && python3 -m pip install -U --break-system-packages --no-cache-dir \
+        "https://github.com/wxWidgets/Phoenix/releases/download/wxPython-${WXPYTHON_VERSION}/wxpython-${WXPYTHON_VERSION}%2Bubuntu2604-${PY_TAG}-${PY_TAG}-linux_x86_64.whl" \
     # Clean up
     && pip cache purge \
     && apt-get autoremove -y \
@@ -416,6 +397,24 @@ RUN echo "No additional steps needed without GUI."
 
 FROM common_start AS grass_final_with_gui
 
+ARG GRASS_GUI_RUN_PACKAGES=" \
+  adwaita-icon-theme \
+  gettext \
+  libglu1-mesa \
+  libglut3.12 \
+  libgstreamer-plugins-base1.0-0 \
+  libgtk-3-0t64 \
+  libjpeg8 \
+  libnotify4 \
+  libpng16-16t64 \
+  librsvg2-common \
+  libsdl2-2.0-0 \
+  libsm6 \
+  libtiff6 \
+  libwebkit2gtk-4.1-0 \
+  libxtst6 \
+  python3-wxgtk4.0 \
+"
 # hadolint ignore=SC2086,DL3008
 RUN apt-get update \
     && apt-get upgrade -y \