diff --git a/.github/workflows/conda-package-cf.yml b/.github/workflows/conda-package-cf.yml
new file mode 100644
index 00000000..f7706d0d
--- /dev/null
+++ b/.github/workflows/conda-package-cf.yml
@@ -0,0 +1,393 @@
+name: Conda package with conda-forge channel only
+
+on:
+    push:
+      branches:
+        - master
+    pull_request:
+
+permissions: read-all
+
+env:
+  PACKAGE_NAME: mkl_umath
+  MODULE_NAME: mkl_umath
+  TEST_ENV_NAME: test_mkl_umath
+  VER_SCRIPT1: "import json; f = open('ver.json', 'r'); j = json.load(f); f.close(); d = j['mkl_umath'][0];"
+  VER_SCRIPT2: "print('='.join((d[s] for s in ('version', 'build'))))"
+  CONDA_BUILD_VERSION: 26.3.0
+
+jobs:
+  build_linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - python: "3.10"
+            numpy: "2.2"
+          - python: "3.11"
+            numpy: "2.3"
+          - python: "3.12"
+            numpy: "2.3"
+          - python: "3.13"
+            numpy: "2.3"
+          - python: "3.14"
+            numpy: "2.3"
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@d07a454dad7609a92316b57b23c9ccfd4f59af66 # 0.13.1
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          fetch-depth: 0
+
+      - name: Set pkgs_dirs
+        run: |
+          echo "pkgs_dirs: [~/.conda/pkgs]" >> ~/.condarc
+
+      - name: Cache conda packages
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        env:
+          CACHE_NUMBER: 0  # Increase to reset cache
+        with:
+          path: ~/.conda/pkgs
+          key:
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-${{hashFiles('**/meta.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-
+
+      - name: Add conda to system path
+        run: echo "$CONDA/bin" >> "$GITHUB_PATH"
+
+      - name: Update conda
+        run: |
+          conda update -n base --all
+
+      - name: Install conda-build
+        run: conda install -n base conda-build=${{ env.CONDA_BUILD_VERSION }} -c conda-forge --override-channels
+
+      - name: Show Conda info
+        run: |
+          conda info --all
+
+      - name: List base environment packages
+        run: |
+          conda list -n base
+
+      - name: Build conda package
+        run: |
+          CHANNELS=(-c "conda-forge" --override-channels)
+          VERSIONS=(--python "${{ matrix.python }}" --numpy "${{ matrix.numpy }}")
+          TEST=(--no-test)
+          echo "CONDA_BLD=${CONDA}/conda-bld/linux-64" >> "$GITHUB_ENV"
+
+          conda build \
+            "${TEST[@]}" \
+            "${VERSIONS[@]}" \
+            "${CHANNELS[@]}" \
+            conda-recipe-cf
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: ${{ env.PACKAGE_NAME }} ${{ runner.os }} Python ${{ matrix.python }}
+          path: ${{ env.CONDA_BLD }}/${{ env.PACKAGE_NAME }}-*.conda
+
+  test_linux:
+    needs: build_linux
+    runs-on:  ${{ matrix.runner }}
+
+    strategy:
+      matrix:
+        python: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        numpy: ['numpy">=2"']
+        experimental: [false]
+        runner: [ubuntu-latest]
+    continue-on-error: ${{ matrix.experimental }}
+    env:
+      CHANNELS: -c conda-forge --override-channels
+
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          name: ${{ env.PACKAGE_NAME }} ${{ runner.os }} Python ${{ matrix.python }}
+      - name: Update conda
+        run: |
+          conda update -n base --all
+      - name: Install conda-index
+        run: |
+          conda install -n base conda-index -c conda-forge --override-channels
+      - name: Show Conda info
+        run: |
+          conda info --all
+      - name: List base environment packages
+        run: |
+          conda list -n base
+      - name: Add conda to system path
+        run: echo "$CONDA/bin" >> "$GITHUB_PATH"
+      - name: Create conda channel
+        run: |
+          mkdir -p "$GITHUB_WORKSPACE/channel/linux-64"
+          mv "${PACKAGE_NAME}"-*.conda "$GITHUB_WORKSPACE/channel/linux-64"
+          conda index "$GITHUB_WORKSPACE/channel"
+          # Test channel
+          conda search "$PACKAGE_NAME" -c "$GITHUB_WORKSPACE/channel" --override-channels
+      - name: Test conda channel
+        run: |
+          conda search "$PACKAGE_NAME" -c "$GITHUB_WORKSPACE"/channel --override-channels --info --json > "$GITHUB_WORKSPACE"/ver.json
+          cat "$GITHUB_WORKSPACE"/ver.json
+      - name: Collect dependencies
+        run: |
+          CHANNELS=(-c "$GITHUB_WORKSPACE/channel" -c "conda-forge" --override-channels)
+          PACKAGE_VERSION="$(python -c "${VER_SCRIPT1} ${VER_SCRIPT2}")"
+          conda create -n "${{ env.TEST_ENV_NAME }}" "${PACKAGE_NAME}=${PACKAGE_VERSION}" "python=${{ matrix.python }}" ${{ matrix.numpy }} "${CHANNELS[@]}" --only-deps --dry-run > lockfile
+      - name: Display lockfile
+        run: cat lockfile
+
+      - name: Set pkgs_dirs
+        run: |
+          echo "pkgs_dirs: [~/.conda/pkgs]" >> ~/.condarc
+
+      - name: Cache conda packages
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        env:
+          CACHE_NUMBER: 0  # Increase to reset cache
+        with:
+          path: ~/.conda/pkgs
+          key:
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-${{hashFiles('lockfile') }}
+          restore-keys: |
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-
+
+      - name: Install mkl_umath
+        run: |
+          CHANNELS=(-c "$GITHUB_WORKSPACE/channel" -c "conda-forge" --override-channels)
+          PACKAGE_VERSION="$(python -c "${VER_SCRIPT1} ${VER_SCRIPT2}")"
+          conda create -n "${{ env.TEST_ENV_NAME }}" "python=${{ matrix.python }}" ${{ matrix.numpy }} "$PACKAGE_NAME=${PACKAGE_VERSION}" pytest "${CHANNELS[@]}"
+          # Test installed packages
+          conda list -n "${{ env.TEST_ENV_NAME }}"
+
+      - name: Smoke test
+        run: |
+          source "$CONDA/etc/profile.d/conda.sh"
+          conda activate "${{ env.TEST_ENV_NAME }}"
+          python -c "import mkl_umath, numpy as np; mkl_umath.patch_numpy_umath(); np.sin(np.linspace(0, 1, num=10**6));"
+
+      - name: Run tests
+        run: |
+          source "$CONDA/etc/profile.d/conda.sh"
+          conda activate "${{ env.TEST_ENV_NAME }}"
+          pytest -v --pyargs ${{ env.MODULE_NAME }}
+
+  build_windows:
+    runs-on: windows-latest
+
+    strategy:
+      matrix:
+        include:
+          - python: "3.10"
+            numpy: "2.2"
+          - python: "3.11"
+            numpy: "2.3"
+          - python: "3.12"
+            numpy: "2.3"
+          - python: "3.13"
+            numpy: "2.3"
+          - python: "3.14"
+            numpy: "2.3"
+    env:
+      conda-bld: C:\Miniconda\conda-bld\win-64\
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@d07a454dad7609a92316b57b23c9ccfd4f59af66 # 0.13.1
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          fetch-depth: 0
+
+      - uses: conda-incubator/setup-miniconda@8ee1f361103df19b6f8c8655fd3967a8ecb162d5 # v4.0.1
+        with:
+          auto-update-conda: true
+          miniforge-version: latest
+          activate-environment: build
+          channels: conda-forge
+          python-version: ${{ matrix.python }}
+          conda-build-version: ${{ env.CONDA_BUILD_VERSION }}
+
+      - name: Cache conda packages
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        env:
+          CACHE_NUMBER: 3  # Increase to reset cache
+        with:
+          path: /home/runner/conda_pkgs_dir
+          key:
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-${{hashFiles('**/meta.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-
+
+      - name: Store conda paths as envs
+        shell: bash -l {0}
+        run: |
+          echo "CONDA_BLD=$CONDA/conda-bld/win-64/" | tr "\\\\" '/' >> "$GITHUB_ENV"
+
+      - name: Install conda build
+        run: |
+          conda activate
+          conda install -y conda-build
+          conda list -n base
+
+      - name: Build conda package
+        run: |
+          conda activate
+          conda build --no-test --python ${{ matrix.python }} --numpy ${{ matrix.numpy }} -c conda-forge --override-channels conda-recipe-cf
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: ${{ env.PACKAGE_NAME }} ${{ runner.os }} Python ${{ matrix.python }}
+          path: ${{ env.CONDA_BLD }}${{ env.PACKAGE_NAME }}-*.conda
+
+  test_windows:
+    needs: build_windows
+    runs-on:  ${{ matrix.runner }}
+    defaults:
+      run:
+        shell: cmd /C CALL {0}
+    strategy:
+      matrix:
+        python: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        numpy: ['numpy">=2"']
+        experimental: [false]
+        runner: [windows-latest]
+    continue-on-error: ${{ matrix.experimental }}
+    env:
+      workdir: '${{ github.workspace }}'
+      CHANNELS: -c conda-forge --override-channels
+
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          name: ${{ env.PACKAGE_NAME }} ${{ runner.os }} Python ${{ matrix.python }}
+
+      - uses: conda-incubator/setup-miniconda@8ee1f361103df19b6f8c8655fd3967a8ecb162d5 # v4.0.1
+        with:
+          auto-update-conda: true
+          miniforge-version: latest
+          activate-environment: ${{ env.TEST_ENV_NAME }}
+          channels: conda-forge
+          conda-remove-defaults: "true"
+          python-version: ${{ matrix.python }}
+
+      - name: Install conda-index
+        run: |
+          conda install -n base conda-index
+
+      - name: Show Conda info
+        run: |
+          conda info --all
+
+      - name: List base environment packages
+        run: |
+          conda list -n base
+
+      - name: Create conda channel with the artifact bit
+        shell: cmd /C CALL {0}
+        run: |
+          echo ${{ env.workdir }}
+          mkdir ${{ env.workdir }}\channel
+          mkdir ${{ env.workdir }}\channel\win-64
+          move ${{ env.PACKAGE_NAME }}-*.conda ${{ env.workdir }}\channel\win-64
+          dir ${{ env.workdir }}\channel\win-64
+
+      - name: Index the channel
+        shell: cmd /C CALL {0}
+        run: |
+          conda index ${{ env.workdir }}\channel
+
+      - name: Dump mkl_umath version info from created channel to STDOUT
+        shell: cmd /C CALL {0}
+        run: |
+          conda search ${{ env.PACKAGE_NAME }} -c ${{ env.workdir }}/channel --override-channels --info --json
+
+      - name: Dump mkl_umath version info from created channel into ver.json
+        shell: cmd /C CALL {0}
+        run: |
+          conda search ${{ env.PACKAGE_NAME }} -c ${{ env.workdir }}/channel --override-channels --info --json > ${{ env.workdir }}\ver.json
+
+      - name: Output content of workdir
+        shell: pwsh
+        run: Get-ChildItem -Path ${{ env.workdir }}
+
+      - name: Output content of produced ver.json
+        shell: pwsh
+        run: Get-Content -Path ${{ env.workdir }}\ver.json
+
+      - name: Collect dependencies
+        shell: cmd /C CALL {0}
+        run: |
+          @ECHO ON
+          IF NOT EXIST ver.json (
+              copy /Y ${{ env.workdir }}\ver.json .
+          )
+          SET "SCRIPT=%VER_SCRIPT1% %VER_SCRIPT2%"
+          FOR /F "tokens=* USEBACKQ" %%F IN (`python -c "%SCRIPT%"`) DO (
+             SET PACKAGE_VERSION=%%F
+          )
+          conda install -n ${{ env.TEST_ENV_NAME }} ${{ env.PACKAGE_NAME }}=%PACKAGE_VERSION% python=${{ matrix.python }} ${{ matrix.numpy }} -c ${{ env.workdir }}/channel ${{ env.CHANNELS }} --only-deps --dry-run > lockfile
+
+      - name: Display lockfile content
+        shell: pwsh
+        run: Get-Content -Path .\lockfile
+
+      - name: Cache conda packages
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        env:
+          CACHE_NUMBER: 0  # Increase to reset cache
+        with:
+          path: /home/runner/conda_pkgs_dir
+          key:
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-${{hashFiles('lockfile') }}
+          restore-keys: |
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-
+            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-
+
+      - name: Install mkl_umath
+        shell: cmd /C CALL {0}
+        run: |
+          @ECHO ON
+          IF NOT EXIST ver.json (
+              copy /Y ${{ env.workdir }}\ver.json .
+          )
+          set "SCRIPT=%VER_SCRIPT1% %VER_SCRIPT2%"
+          FOR /F "tokens=* USEBACKQ" %%F IN (`python -c "%SCRIPT%"`) DO (
+             SET PACKAGE_VERSION=%%F
+          )
+          SET "TEST_DEPENDENCIES=pytest pytest-cov"
+          conda install -n ${{ env.TEST_ENV_NAME }} ${{ env.PACKAGE_NAME }}=%PACKAGE_VERSION% %TEST_DEPENDENCIES% python=${{ matrix.python }} ${{ matrix.numpy }} -c ${{ env.workdir }}/channel ${{ env.CHANNELS }}
+
+      - name: Report content of test environment
+        shell: cmd /C CALL {0}
+        run: |
+          conda activate
+          echo "Value of CONDA environment variable was: " %CONDA%
+          echo "Value of CONDA_PREFIX environment variable was: " %CONDA_PREFIX%
+          conda info && conda list -n ${{ env.TEST_ENV_NAME }}
+
+      - name: Smoke test
+        shell: cmd /C CALL {0}
+        run: |
+          @ECHO ON
+          conda activate ${{ env.TEST_ENV_NAME }}
+          python -c "import mkl_umath, numpy as np; mkl_umath.patch_numpy_umath(); np.sin(np.linspace(0, 1, num=10**6));"
+
+      - name: Run tests
+        shell: cmd /C CALL {0}
+        run: |
+          conda activate ${{ env.TEST_ENV_NAME }}
+          python -m pytest -v -s --pyargs ${{ env.MODULE_NAME }}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0f08b5dd..4f36236b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,14 @@ option(OPTIMIZATION_REPORT
   OFF
 )
 
+set(MKL_THREADING_OPTIONS "intel_thread" "gnu_thread" "tbb_thread" "sequential")
+set(MKL_THREADING "intel_thread" CACHE STRING "MKL threading layer")
+set_property(CACHE MKL_THREADING PROPERTY STRINGS ${MKL_THREADING_OPTIONS})
+
+if(NOT MKL_THREADING IN_LIST MKL_THREADING_OPTIONS)
+  message(FATAL_ERROR "Invalid MKL_THREADING value: ${MKL_THREADING}. Must be one of: ${MKL_THREADING_OPTIONS}")
+endif()
+
 find_package(Python COMPONENTS Interpreter Development NumPy REQUIRED)
 
 # Print out the discovered paths
@@ -25,7 +33,6 @@ find_package(Cython REQUIRED)
 
 set(MKL_ARCH "intel64")
 set(MKL_LINK "dynamic")
-set(MKL_THREADING "intel_thread")
 set(MKL_INTERFACE "lp64")
 find_package(MKL REQUIRED)
 
diff --git a/conda-recipe-cf/build.sh b/conda-recipe-cf/build.sh
index 00414a1c..c609fe3f 100644
--- a/conda-recipe-cf/build.sh
+++ b/conda-recipe-cf/build.sh
@@ -16,6 +16,7 @@ SKBUILD_ARGS=(
     "--"
     "-DCMAKE_C_COMPILER:PATH=icx"
     "-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON"
+    "-DMKL_THREADING=gnu_thread"
 )
 
 if [ -n "${WHEELS_OUTPUT_FOLDER}" ]; then
diff --git a/conda-recipe-cf/conda_build_config.yaml b/conda-recipe-cf/conda_build_config.yaml
new file mode 100644
index 00000000..6f302ab0
--- /dev/null
+++ b/conda-recipe-cf/conda_build_config.yaml
@@ -0,0 +1,24 @@
+numpy:
+    - '1.26.4'
+c_compiler:                   # [linux]
+    - gcc                     # [linux]
+cxx_compiler:                 # [linux]
+    - gxx                     # [linux]
+cxx_compiler_version:         # [linux]
+    - '14'                    # [linux]
+c_stdlib:                     # [linux]
+    - sysroot                 # [linux]
+c_stdlib_version:             # [linux]
+    - '2.28'                  # [linux]
+c_stdlib:                     # [win]
+    - vs                      # [win]
+cxx_compiler:                 # [win]
+    - vs2022                  # [win]
+c_compiler:                   # [win]
+    - vs2022                  # [win]
+CFLAGS:
+  - -fno-fast-math            # [linux]
+CXXFLAGS:
+  - -fno-fast-math            # [linux]
+CL:
+  - /fp:precise               # [win]
diff --git a/conda-recipe-cf/meta.yaml b/conda-recipe-cf/meta.yaml
index 810c1d15..59aa6d4b 100644
--- a/conda-recipe-cf/meta.yaml
+++ b/conda-recipe-cf/meta.yaml
@@ -17,18 +17,23 @@ requirements:
     build:
       - {{ compiler('c') }}
       - {{ compiler('cxx') }}
+      - {{ stdlib('c') }}
       - {{ compiler('dpcpp') }} >=2024.2  # [not osx]
-      - sysroot_linux-64 >=2.28  # [linux]
     host:
       - setuptools >=77
+      - pip
       - cmake
       - ninja
       - git
       - cython
       - scikit-build
       - python
+      - python-gil     # [py>=314]
       - mkl-devel
-      - numpy
+      - numpy  # [not win]
+      - numpy <2.4  # [win]
+      # TODO: remove win numpy pin when numpy 2.5 is released, see https://github.com/numpy/numpy/issues/31337
+      - llvm-openmp
     run:
       - python
       - python-gil     # [py>=314]