diff --git a/.github/actions/nimbus-build-system/action.yml b/.github/actions/nimbus-build-system/action.yml
deleted file mode 100644
index e97cdec..0000000
--- a/.github/actions/nimbus-build-system/action.yml
+++ /dev/null
@@ -1,226 +0,0 @@
-# Adapted from:
-# https://github.com/status-im/nimbus-eth2/blob/stable/.github/workflows/ci.yml
-
-name: Setup Nimbus Build System
-inputs:
-  os:
-    description: "Operating system to build for"
-    required: true
-  cpu:
-    description: "CPU to build for"
-    default: "amd64"
-  nim_version:
-    description: "Nim version"
-    default: "v2.0.14"
-  rust_version:
-    description: "Rust version"
-    default: "1.79.0"
-  shell:
-    description: "Shell to run commands in"
-    default: "bash --noprofile --norc -e -o pipefail"
-  coverage:
-    description: "True if the process is used for coverage"
-    default: false
-runs:
-  using: "composite"
-  steps:
-    - name: Rust (Linux)
-      if: inputs.os == 'ubuntu-latest'
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs/ | sh -s -- --default-toolchain=${{ inputs.rust_version }} -y
-
-    - name: APT (Linux amd64/arm64)
-      if: inputs.os == 'ubuntu-latest' && (inputs.cpu == 'amd64' || inputs.cpu == 'arm64')
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        sudo apt-get update -qq
-        sudo DEBIAN_FRONTEND='noninteractive' apt-get install \
-          --no-install-recommends -yq lcov
-
-    - name: APT (Linux i386)
-      if: inputs.os == 'ubuntu-latest' && inputs.cpu == 'i386'
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        sudo dpkg --add-architecture i386
-        sudo apt-get update -qq
-        sudo DEBIAN_FRONTEND='noninteractive' apt-get install \
-          --no-install-recommends -yq gcc-multilib g++-multilib
-
-    - name: Homebrew (macOS)
-      if: inputs.os == 'macos-latest'
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        brew install libomp
-
-    - name: MSYS2 (Windows amd64)
-      if: inputs.os == 'windows-latest' && inputs.cpu == 'amd64'
-      uses: msys2/setup-msys2@v2
-      with:
-        path-type: inherit
-        msystem: UCRT64
-        install: >
-          base-devel
-          git
-          mingw-w64-ucrt-x86_64-toolchain
-          mingw-w64-ucrt-x86_64-cmake
-          mingw-w64-ucrt-x86_64-ntldd-git
-          mingw-w64-ucrt-x86_64-rust
-
-    - name: MSYS2 (Windows i386)
-      if: inputs.os == 'windows-latest' && inputs.cpu == 'i386'
-      uses: msys2/setup-msys2@v2
-      with:
-        path-type: inherit
-        msystem: MINGW32
-        install: >
-          base-devel
-          git
-          mingw-w64-i686-toolchain
-          mingw-w64-i686-cmake
-          mingw-w64-i686-ntldd-git
-          mingw-w64-i686-rust
-
-    - name: Install gcc 14 on Linux
-      # We don't want to install gcc 14 for coverage (Ubuntu 20.04)
-      if : ${{ inputs.os == 'ubuntu-latest' && inputs.coverage != 'true' }}
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        # Skip for older Ubuntu versions
-        if [[ $(lsb_release -r | awk -F '[^0-9]+' '{print $2}') -ge 24 ]]; then
-          # Install GCC-14
-          sudo apt-get update -qq
-          sudo apt-get install -yq gcc-14
-          # Add GCC-14 to alternatives
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 14
-          # Set GCC-14 as the default
-          sudo update-alternatives --set gcc /usr/bin/gcc-14
-        fi
-
-    - name: Install ccache on Linux/Mac
-      if: inputs.os == 'ubuntu-latest' || inputs.os == 'macos-latest'
-      uses: hendrikmuhs/ccache-action@v1.2
-      with:
-        create-symlink: true
-        key: ${{ inputs.os }}-${{ inputs.builder }}-${{ inputs.cpu }}-${{ inputs.tests }}-${{ inputs.nim_version }}
-        evict-old-files: 7d
-
-    - name: Install ccache on Windows
-      if: inputs.os == 'windows-latest'
-      uses: hendrikmuhs/ccache-action@v1.2
-      with:
-        key: ${{ inputs.os }}-${{ inputs.builder }}-${{ inputs.cpu }}-${{ inputs.tests }}-${{ inputs.nim_version }}
-        evict-old-files: 7d
-
-    - name: Enable ccache on Windows
-      if: inputs.os == 'windows-latest'
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        CCACHE_DIR=$(dirname $(which ccache))/ccached
-        mkdir ${CCACHE_DIR}
-        ln -s $(which ccache) ${CCACHE_DIR}/gcc.exe
-        ln -s $(which ccache) ${CCACHE_DIR}/g++.exe
-        ln -s $(which ccache) ${CCACHE_DIR}/cc.exe
-        ln -s $(which ccache) ${CCACHE_DIR}/c++.exe
-        echo "export PATH=${CCACHE_DIR}:\$PATH" >> $HOME/.bash_profile # prefix path in MSYS2
-
-    - name: Derive environment variables
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        quote () {
-          local quoted=${1//\'/\'\\\'\'};
-          printf "'%s'" "$quoted"
-        }
-
-        [[ '${{ inputs.cpu }}' == 'i386' ]] && echo "ARCH_OVERRIDE=ARCH_OVERRIDE=x86" >> ${GITHUB_ENV}
-
-        # Stack usage on Linux amd64/arm64
-        if [[ '${{ inputs.os }}' == 'ubuntu-latest' && ('${{ inputs.cpu }}' == 'amd64' || '${{ inputs.cpu }}' == 'arm64')]]; then
-          NIMFLAGS="${NIMFLAGS} -d:limitStackUsage"
-          echo "NIMFLAGS=${NIMFLAGS}" >> $GITHUB_ENV
-        fi
-
-        # Disable ADX on Linux i386
-        if [[ '${{ inputs.os }}' == 'ubuntu-latest' && '${{ inputs.cpu }}' == 'i386' ]]; then
-          CFLAGS="${CFLAGS} -m32 -mno-adx"
-          echo "CFLAGS=${CFLAGS}" >> ${GITHUB_ENV}
-          CXXFLAGS="${CXXFLAGS} -m32 -mno-adx"
-          echo "CXXFLAGS=${CXXFLAGS}" >> ${GITHUB_ENV}
-          mkdir -p external/bin
-          cat << EOF > external/bin/gcc
-        #!/bin/bash
-        exec $(which gcc) -m32 -mno-adx "\$@"
-        EOF
-          cat << EOF > external/bin/g++
-        #!/bin/bash
-        exec $(which g++) -m32 -mno-adx "\$@"
-        EOF
-          chmod 755 external/bin/gcc external/bin/g++
-          echo "$(pwd)/external/bin" >> ${GITHUB_PATH}
-          # --passC:'-m32 -mno-adx' is redundant but harmless, and can be
-          # helpful when reviewing build output with increased verbosity
-          NIMFLAGS="${NIMFLAGS} $(quote "--passC:'-m32 -mno-adx' -d:LeopardCmakeFlags='-DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=$(pwd)/external/bin/gcc -DCMAKE_CXX_COMPILER=$(pwd)/external/bin/g++'")"
-          echo "NIMFLAGS=${NIMFLAGS}" >> $GITHUB_ENV
-        fi
-
-        # Disable ADX on Windows i386
-        if [[ '${{ inputs.os }}' == 'windows-latest' && '${{ inputs.cpu }}' == 'i386' ]]; then
-          CFLAGS="${CFLAGS} -mno-adx"
-          echo "CFLAGS=${CFLAGS}" >> ${GITHUB_ENV}
-          CXXFLAGS="${CXXFLAGS} -mno-adx"
-          echo "CXXFLAGS=${CXXFLAGS}" >> ${GITHUB_ENV}
-          NIMFLAGS="${NIMFLAGS} --passC:-mno-adx"
-          echo "NIMFLAGS=${NIMFLAGS}" >> $GITHUB_ENV
-        fi
-
-        # Enable OpenMP on macOS
-        if [[ '${{ inputs.os }}' == 'macos-latest' ]]; then
-          libomp_lib_dir="$(brew --prefix)/opt/libomp/lib"
-          # See https://github.com/actions/virtual-environments/pull/5819
-          llvm_dir="$(ls -d $(brew --prefix)/opt/llvm* | tail -1)"
-          llvm_bin_dir="${llvm_dir}/bin"
-          llvm_lib_dir="${llvm_dir}/lib"
-          echo "${llvm_bin_dir}" >> ${GITHUB_PATH}
-          # Make sure ccache has precedence (GITHUB_PATH is appending before)
-          echo "$(brew --prefix)/opt/ccache/libexec" >> ${GITHUB_PATH}
-          echo $PATH
-          echo "LDFLAGS=${LDFLAGS} -L${libomp_lib_dir} -L${llvm_lib_dir} -Wl,-rpath,${llvm_lib_dir}" >> ${GITHUB_ENV}
-          NIMFLAGS="${NIMFLAGS} $(quote "-d:LeopardCmakeFlags='-DCMAKE_BUILD_TYPE=Release' -d:LeopardExtraCompilerFlags='-fopenmp' -d:LeopardExtraLinkerFlags='-fopenmp -L${libomp_lib_dir}'")"
-          echo "NIMFLAGS=${NIMFLAGS}" >> $GITHUB_ENV
-        fi
-
-        # Use all available CPUs for build process
-        ncpu=""
-        case '${{ inputs.os }}' in
-        'linux')   ncpu=$(nproc)                ;;
-        'macos')   ncpu=$(sysctl -n hw.ncpu)    ;;
-        'windows') ncpu=${NUMBER_OF_PROCESSORS} ;;
-        esac
-        [[ -z "$ncpu" || $ncpu -le 0 ]] && ncpu=1
-        echo "ncpu=${ncpu}" >> ${GITHUB_ENV}
-
-    - name: Restore Nim toolchain binaries from cache
-      id: nim-cache
-      uses: actions/cache@v4
-      if : ${{ inputs.coverage != 'true'  }}
-      with:
-        path: NimBinaries
-        key: ${{ inputs.os }}-${{ inputs.cpu }}-nim-${{ inputs.nim_version }}-cache-${{ env.cache_nonce }}-${{ github.run_id }}
-        restore-keys: ${{ inputs.os }}-${{ inputs.cpu }}-nim-${{ inputs.nim_version }}-cache-${{ env.cache_nonce }}
-
-    - name: Set NIM_COMMIT
-      shell: ${{ inputs.shell }} {0}
-      run: echo "NIM_COMMIT=${{ inputs.nim_version }}" >> ${GITHUB_ENV}
-
-    - name: MSYS2 (Windows All) - Disable git symbolic links (since miniupnp 2.2.5)
-      if: inputs.os == 'windows-latest'
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        git config --global core.symlinks false
-
-    - name: Build Nim and Codex dependencies
-      shell: ${{ inputs.shell }} {0}
-      run: |
-        which gcc
-        gcc --version
-        make -j${ncpu} CI_CACHE=NimBinaries ${ARCH_OVERRIDE} QUICK_AND_DIRTY_COMPILER=1 update
\ No newline at end of file
diff --git a/.github/workflows/artifacts.yml b/.github/workflows/artifacts.yml
index a0e25a1..03467be 100644
--- a/.github/workflows/artifacts.yml
+++ b/.github/workflows/artifacts.yml
@@ -2,9 +2,9 @@ name: Artifacts
 
 on:
   push:
+    tags:
+      - "v*"
   workflow_dispatch:
-    # tags:
-    #   - 'v*'
 
 jobs:
   build:
@@ -87,15 +87,17 @@ jobs:
             vendor/nim-codex/library/libcodex.h
           if-no-files-found: error
 
-  # publish-release:
-  #   needs: build
-  #   runs-on: ubuntu-22.04
-  #   steps:
-  #     - uses: actions/download-artifact@v4
-  #       with:
-  #         path: dist
-  #     - name: Create release draft
-  #       uses: softprops/action-gh-release@v1
-  #       with:
-  #         files: dist/**/codex-*.{tar.gz,zip}
-  #         draft: true
+  publish-release:
+    needs: build
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - uses: actions/download-artifact@v5
+        with:
+          path: dist
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        with:
+          body_path: ${{ github.workspace }}-RELEASE.md
+          files: dist/**
+          draft: true