sergey-dryabzhinsky · sergey-dryabzhinsky · Jan 31, 2026 · Jan 31, 2026 · Feb 1, 2026 · Feb 3, 2026
diff --git a/.github/workflows/Build_wheels_for_cpython27_x86.yml b/.github/workflows/Build_wheels_for_cpython27_x86.yml
@@ -1,4 +1,4 @@
-name: Build wheels for CPython2.7 x86 on Ubuntu18 with GCC-7 with All warnings
+name: Build wheels for CPython2.7 x86 on Ubuntu14 with GCC-4.8 with All warnings
 
 on: [push, pull_request]
 
@@ -14,12 +14,12 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - name: Ubuntu 24+18 i386 CPython 2.7
+          - name: Ubuntu 24+14 i386 CPython 2.7
             runs-on: ubuntu-latest
             matrix: linux
             arch: i386
             tag_arch: i686
-            release: bionic
+            release: trusty
             mirror: http://azure.archive.ubuntu.com/ubuntu
             #version: 1.5.6.7
             #pyver: "2.7"
@@ -92,7 +92,7 @@ jobs:
         run: |
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install --no-install-recommends -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools'" 
+           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72'" 
 
       - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
         if: matrix.os.matrix == 'linux'

diff --git a/.github/workflows/Build_wheels_for_cpython27_x86_64.yml b/.github/workflows/Build_wheels_for_cpython27_x86_64.yml
@@ -1,4 +1,4 @@
-name: Build wheels for CPython2.7 x64 on Ubuntu18 with GCC-7 with All warnings
+name: Build wheels for CPython2.7 x64 on Ubuntu14 with GCC-4.8 with All warnings
 
 on: [push, pull_request]
 
@@ -14,19 +14,19 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - name: Ubuntu 24+16 amd64 CPython 2.7
+          - name: Ubuntu 24+14 amd64 CPython 2.7
             runs-on: ubuntu-latest
             matrix: linux
             arch: amd64
             tag_arch: x86_64
-            release: bionic
+            release: trusty
             mirror: http://azure.archive.ubuntu.com/ubuntu
             #version: 1.5.6.7
             #pyver: "2.7"
             getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
             pypkg: python2.7
             pyengine_tag: cp27-cp27mu
-            libc_tag: manylinux_2_4
+            libc_tag: manylinux_2_14
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -92,7 +92,7 @@ jobs:
         run: |
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools'" 
+           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72'" 
 
       - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
         if: matrix.os.matrix == 'linux'
@@ -102,8 +102,8 @@ jobs:
           sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
           false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC-7
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc-7 -v
+          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
+          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && CC=gcc-7 ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_WERRORS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=1 ${{matrix.os.pypkg}} setup.py bdist_wheel"
 
       - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}

diff --git a/.github/workflows/Build_wheels_for_cpython27_x86_ext.yml b/.github/workflows/Build_wheels_for_cpython27_x86_ext.yml
@@ -1,4 +1,4 @@
-name: Build wheels for CPython2.7 x86 on Ubuntu16 with GCC-5 with All warnings, test external build
+name: Build wheels for CPython2.7 x86 on Ubuntu14 with GCC-4.8 with All warnings, test external build
 
 on: [push, pull_request]
 
@@ -14,12 +14,12 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - name: Ubuntu 24+16 i386 CPython 2.7
+          - name: Ubuntu 24+14 i386 CPython 2.7
             runs-on: ubuntu-latest
             matrix: linux
             arch: i386
             tag_arch: i686
-            release: xenial
+            release: trusty
             mirror: http://azure.archive.ubuntu.com/ubuntu
             #version: 1.5.6.7
             #pyver: "2.7"
@@ -88,10 +88,9 @@ jobs:
       - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
         if: matrix.os.matrix == 'linux'
         run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt-cache madison clang-18
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools'" 
+           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72'" 
 
       - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
         if: matrix.os.matrix == 'linux'
@@ -103,8 +102,8 @@ jobs:
           false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
 
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC-5
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc-5 -v
+          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
+          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && _CC=clang-20 ZSTD_ASM=1 ZSTD_WARNINGS=1 ZSTD_WERRORS=1 _ZSTD_SMALL=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 ZSTD_EXTERNAL=1 CC=gcc-5 ${{matrix.os.pypkg}} setup.py bdist_wheel "
 
       - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}

diff --git a/.github/workflows/Build_wheels_for_cpython312_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython312_x86_u16.yml
@@ -24,7 +24,7 @@ jobs:
             getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
             pypkg: python3.12
             pyengine_tag: cp312-cp312
-            libc_tag: manylinux_2_14
+            libc_tag: manylinux_2_4
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

diff --git a/...uild_wheels_for_cpython313_x86_64_u24.yml → ...s/Build_wheels_for_cpython313_x64_u18.yml b/...uild_wheels_for_cpython313_x86_64_u24.yml → ...s/Build_wheels_for_cpython313_x64_u18.yml
@@ -1,4 +1,4 @@
-name: Build wheels for CPython3.13 x86_64 on Ubuntu22 with GCC-10 All warnings
+name: Build wheels for CPython3.13 x86_64 on Ubuntu18 with GCC-7 All warnings
 
 on: [push, pull_request]
 
@@ -14,12 +14,12 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - name: Ubuntu 24+20 amd64 CPython 3.13
+          - name: Ubuntu 24+18 amd64 CPython 3.13
             runs-on: ubuntu-latest
             matrix: linux
             arch: amd64
             tag_arch: x86_64
-            release: jammy
+            release: bionic
             mirror: http://azure.archive.ubuntu.com/ubuntu
             getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
             pypkg: python3.13
@@ -61,14 +61,12 @@ jobs:
           sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
           sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
           sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
+          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
+          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
+          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
+          echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
           sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
@@ -167,3 +165,14 @@ jobs:
           TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
         run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
 
+      - name: Create Release and Upload Assets
+        if: >
+         startsWith(github.event.ref, 'refs/tags') &&
+         steps.check_secrets.outputs.HAS_SECRET
+        # This uses a community action for creating and uploading to a release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: dist/*.whl
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # The default GITHUB_TOKEN has sufficient permissions
diff --git a/...s/Build_wheels_for_cpython313_x86_u16.yml → ...s/Build_wheels_for_cpython313_x86_u18.yml b/...s/Build_wheels_for_cpython313_x86_u16.yml → ...s/Build_wheels_for_cpython313_x86_u18.yml
@@ -1,4 +1,4 @@
-name: Build wheels for CPython3.13 x86 on Ubuntu16 with GCC-5 All warnings
+name: Build wheels for CPython3.13 x86 on Ubuntu18 with GCC-7 All warnings
 
 on: [push, pull_request]
 
@@ -14,17 +14,17 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - name: Ubuntu 24+16 x86 CPython 3.13
+          - name: Ubuntu 24+18 x86 CPython 3.13
             runs-on: ubuntu-latest
             matrix: linux
             arch: i386
             tag_arch: i686
-            release: xenial
+            release: bionic
             mirror: http://azure.archive.ubuntu.com/ubuntu
             getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
             pypkg: python3.13
             pyengine_tag: cp313-cp313
-            libc_tag: manylinux_2_14
+            libc_tag: manylinux_2_4
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -66,7 +66,6 @@ jobs:
           echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
           sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
@@ -165,3 +164,14 @@ jobs:
           TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
         run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
 
+      - name: Create Release and Upload Assets
+        if: >
+         startsWith(github.event.ref, 'refs/tags') &&
+         steps.check_secrets.outputs.HAS_SECRET
+        # This uses a community action for creating and uploading to a release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: dist/*.whl
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # The default GITHUB_TOKEN has sufficient permissions