diff --git a/.github/workflows/1main.yml b/.github/workflows/1main.yml
deleted file mode 100644
index 2c0e563450b..00000000000
--- a/.github/workflows/1main.yml
+++ /dev/null
@@ -1,68 +0,0 @@
-name: Build Ladybird (Software Rendering)
-
-on:
-  workflow_dispatch:  # Allows manual trigger from GitHub Actions UI
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v4
-
-      - name: Cache CMake and Ninja Builds
-        uses: actions/cache@v4
-        with:
-          path: Build/release
-          key: ${{ runner.os }}-ladybird-${{ hashFiles('**/CMakeLists.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-ladybird-
-
-      - name: Install Dependencies
-        run: |
-          sudo apt update
-          sudo apt install -y autoconf autoconf-archive automake build-essential ccache cmake curl \
-              fonts-liberation2 git libgl1-mesa-dev nasm ninja-build pkg-config qt6-base-dev \
-              qt6-tools-dev-tools qt6-wayland tar unzip zip libpulse-dev xvfb \
-              mesa-utils libegl1-mesa libglx-mesa0 libosmesa6
-
-      - name: Install CMake (from Kitware)
-        run: |
-          wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | sudo tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null
-          echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/kitware.list
-          sudo apt update -y && sudo apt install -y cmake
-
-      - name: Install GCC-13
-        run: |
-          sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
-          sudo apt update
-          sudo apt install -y g++-13 libstdc++-13-dev
-
-      - name: Setup Virtual Display (Xvfb)
-        run: |
-          Xvfb :99 -screen 0 1920x1080x24 &
-          echo "DISPLAY=:99" >> $GITHUB_ENV
-
-      - name: Enable Software Rendering
-        run: |
-          echo "LIBGL_ALWAYS_SOFTWARE=1" >> $GITHUB_ENV
-          echo "MESA_LOADER_DRIVER_OVERRIDE=llvmpipe" >> $GITHUB_ENV
-          echo "QT_QPA_PLATFORM=xcb" >> $GITHUB_ENV
-
-      - name: Build Ladybird
-        run: |
-          cmake -GNinja -B Build/release
-          ninja -C Build/release
-
-      - name: Run Ladybird in Software Rendering Mode
-        run: |
-          xvfb-run --auto-servernum --server-args="-screen 0 1920x1080x24" ./Build/release/bin/Ladybird --headless https://ladybird.dev || true
-
-      - name: Upload Build Artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: Ladybird-Build
-          path: |
-            Build/release/bin/
-            Build/release/*.lo
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index d778d26d05f..00000000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-name: CI
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || format('{0}-{1}', github.ref, github.run_number) }}
-  cancel-in-progress: true
-
-jobs:
-  # CI matrix - runs the job in lagom-template.yml with different configurations.
-  Lagom:
-    if: github.repository == 'LadybirdBrowser/ladybird'
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os_name: ['Linux']
-        os: [ubuntu-24.04]
-        arch: ['x86_64']
-        build_preset: ['Sanitizer_CI']
-        toolchain: ['GNU']
-        clang_plugins: [false]
-
-        include:
-          - os_name: 'Linux'
-            os: ubuntu-24.04
-            arch: 'x86_64'
-            build_preset: 'Sanitizer_CI'
-            toolchain: 'Clang'
-            clang_plugins: true
-
-          - os_name: 'macOS'
-            os: macos-15
-            arch: 'arm64'
-            build_preset: 'Sanitizer_CI'
-            toolchain: 'Clang'
-            clang_plugins: false
-
-          - os_name: 'Linux'
-            os: ubuntu-24.04
-            arch: 'x86_64'
-            build_preset: 'Fuzzers_CI'
-            toolchain: 'Clang'
-            clang_plugins: false
-
-    uses: ./.github/workflows/lagom-template.yml
-    with:
-      toolchain: ${{ matrix.toolchain }}
-      os_name: ${{ matrix.os_name }}
-      os: ${{ matrix.os }}
-      arch: ${{ matrix.arch }}
-      build_preset: ${{ matrix.build_preset }}
-      clang_plugins: ${{ matrix.clang_plugins }}
diff --git a/.github/workflows/dev-container.yml b/.github/workflows/dev-container.yml
deleted file mode 100644
index 41cf84f1e7f..00000000000
--- a/.github/workflows/dev-container.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-# This workflow builds a docker image with the Dev Container CLI (https://github.com/devcontainers/cli)
-#
-name: 'Build Dev Container Image'
-on:
-  workflow_dispatch:
-  push:
-    paths:
-      - '.devcontainer/**'
-      - 'vcpkg.json'
-  schedule:
-    # https://crontab.guru/#0_0_*_*_1
-    - cron:  '0 0 * * 1'
-
-permissions:
-  contents: read
-  # Push images to GHCR.
-  packages: write
-
-jobs:
-  build:
-    if: github.repository == 'LadybirdBrowser/ladybird'
-    runs-on: ubuntu-latest
-    steps:
-
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build Base Dev Container Image
-        uses: devcontainers/ci@v0.3
-        with:
-          imageName: ghcr.io/ladybirdbrowser/ladybird-devcontainer
-          imageTag: base,latest
-          push: always
diff --git a/.github/workflows/ladybird-js-artifacts.yml b/.github/workflows/ladybird-js-artifacts.yml
deleted file mode 100644
index e2d626f4212..00000000000
--- a/.github/workflows/ladybird-js-artifacts.yml
+++ /dev/null
@@ -1,89 +0,0 @@
-name: Package the js repl as a binary artifact
-
-on:
-  push:
-    branches: [master]
-
-env:
-  LADYBIRD_SOURCE_DIR: ${{ github.workspace }}
-  CCACHE_DIR: ${{ github.workspace }}/.ccache
-  VCPKG_ROOT:  ${{ github.workspace }}/Build/vcpkg
-  VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
-
-jobs:
-  build-and-package:
-    runs-on: ${{ matrix.os }}
-    if: github.repository == 'LadybirdBrowser/ladybird'
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-24.04]
-        package_type: [Linux-x86_64]
-        os_name: [Linux]
-        include:
-          - os: macos-14
-            package_type: macOS-universal2
-            os_name: macOS
-
-    concurrency:
-      group: ${{ github.workflow }}-${{ matrix.os_name }}
-      cancel-in-progress: true
-
-    steps:
-      - name: Checkout LadybirdBrowser/ladybird
-        uses: actions/checkout@v4
-
-      - name: "Set up environment"
-        uses: ./.github/actions/setup
-        with:
-          os: ${{ matrix.os_name }}
-          arch: 'Lagom'
-
-      - name: Restore Caches
-        uses: ./.github/actions/cache-restore
-        id: 'cache-restore'
-        with:
-          os: ${{ matrix.os_name }}
-          arch: 'Lagom'
-          cache_key_extra: 'LibJS Artifacts'
-          ccache_path: ${{ env.CCACHE_DIR }}
-          download_cache_path: ${{ github.workspace }}/Build/caches
-
-      - name: Create build directory Ubuntu
-        run: |
-          cmake --preset Distribution_CI \
-            -DCMAKE_C_COMPILER=clang-19 \
-            -DCMAKE_CXX_COMPILER=clang++-19 \
-            -DENABLE_GUI_TARGETS=OFF
-        if: ${{ matrix.os_name == 'Linux' }}
-
-      # FIXME: Add the following flag back when vcpkg supports Universal binaries:
-      #        -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
-      #
-      #        See: https://github.com/microsoft/vcpkg/discussions/19454
-      - name: Create build directory macOS
-        run: |
-          cmake --preset Distribution_CI \
-            -DCMAKE_OSX_DEPLOYMENT_TARGET="11.0" \
-            -DENABLE_GUI_TARGETS=OFF
-        if: ${{ matrix.os_name == 'macOS' }}
-
-      - name: Build and package js
-        working-directory: Build/distribution
-        run: |
-          ninja js
-          cpack
-
-      - name: Save Caches
-        uses: ./.github/actions/cache-save
-        with:
-          arch: 'Lagom'
-          ccache_path: ${{ env.CCACHE_DIR }}
-          ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}
-
-      - name: Upload js package
-        uses: actions/upload-artifact@v4
-        with:
-          name: ladybird-js-${{ matrix.package_type }}
-          path: Build/distribution/ladybird-js*.tar.gz
-          retention-days: 7
diff --git a/.github/workflows/lagom-template.yml b/.github/workflows/lagom-template.yml
deleted file mode 100644
index 7fc32ec59ae..00000000000
--- a/.github/workflows/lagom-template.yml
+++ /dev/null
@@ -1,235 +0,0 @@
-name: Lagom Template
-
-on:
-  workflow_call:
-    inputs:
-        toolchain:
-          required: true
-          type: string
-        os_name:
-          required: true
-          type: string
-        os:
-          required: true
-          type: string
-        arch:
-          required: true
-          type: string
-        build_preset:
-          required: true
-          type: string
-        clang_plugins:
-          required: false
-          type: boolean
-          default: false
-
-env:
-  # runner.workspace = /home/runner/work/ladybird
-  # github.workspace = /home/runner/work/ladybird/ladybird
-  LADYBIRD_SOURCE_DIR: ${{ github.workspace }}
-  CCACHE_DIR: ${{ github.workspace }}/.ccache
-  VCPKG_ROOT:  ${{ github.workspace }}/Build/vcpkg
-  VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
-
-  # Use the compiler version for the ccache compiler hash. Otherwise, if plugins are enabled, the plugin .so files
-  # are included in the hash. This results in clean builds on every run as the .so files are rebuilt.
-  #
-  # Note: This only works because our plugins do not transform any code. If that becomes untrue, we must revisit this.
-  CCACHE_COMPILERCHECK: "%compiler% -v"
-
-jobs:
-  CI:
-    runs-on: ${{ inputs.os }}
-
-    steps:
-      # Pull requests can trail behind `master` and can cause breakage if merging before running the CI checks on an updated branch.
-      # Luckily, GitHub creates and maintains a merge branch that is updated whenever the target or source branch is modified. By
-      # checking this branch out, we gain a stabler `master` at the cost of reproducibility.
-      - uses: actions/checkout@v4
-        if: ${{ github.event_name != 'pull_request' }}
-
-      - uses: actions/checkout@v4
-        if: ${{ github.event_name == 'pull_request' }}
-        with:
-          ref: refs/pull/${{ github.event.pull_request.number }}/merge
-
-      - name: Set Up Environment
-        uses: ./.github/actions/setup
-        with:
-          os: ${{ inputs.os_name }}
-          arch: ${{ inputs.arch }}
-
-      # === PREPARE FOR BUILDING ===
-
-      - name: Assign Build Parameters
-        id: 'build-parameters'
-        run: |
-          if ${{ inputs.os_name == 'Linux' }} ; then
-            if ${{ inputs.toolchain == 'Clang' }} ; then
-              echo "host_cc=clang-19" >> "$GITHUB_OUTPUT"
-              echo "host_cxx=clang++-19" >> "$GITHUB_OUTPUT"
-            elif ${{ inputs.toolchain == 'GNU' }} ; then
-              echo "host_cc=gcc-13" >> "$GITHUB_OUTPUT"
-              echo "host_cxx=g++-13" >> "$GITHUB_OUTPUT"
-            fi
-          elif ${{ inputs.os_name == 'macOS' }} ; then
-            echo "host_cc=$(xcrun --find clang)" >> "$GITHUB_OUTPUT"
-            echo "host_cxx=$(xcrun --find clang++)" >> "$GITHUB_OUTPUT"
-          fi
-
-          if ${{ inputs.clang_plugins }} ; then
-            echo "ccache_key=${{ inputs.build_preset }}-CLANG_PLUGINS" >> "$GITHUB_OUTPUT"
-            echo "cmake_options=-DENABLE_CLANG_PLUGINS=ON" >> "$GITHUB_OUTPUT"
-          else
-            echo "ccache_key=${{ inputs.build_preset }}" >> "$GITHUB_OUTPUT"
-            if ${{ inputs.os_name == 'Linux' && inputs.arch == 'arm64' }} ; then
-                # FIXME: https://github.com/WebAssembly/wabt/issues/2533
-                #        wabt doesn't have binary releases for arm64 Linux
-                PKGCONFIG=$(which pkg-config)
-                echo "cmake_options=-DPKG_CONFIG_EXECUTABLE=$PKGCONFIG" >> "$GITHUB_OUTPUT"
-            else
-              echo "cmake_options=-DINCLUDE_WASM_SPEC_TESTS=ON -DWASM_SPEC_TEST_SKIP_FORMATTING=ON" >> "$GITHUB_OUTPUT"
-            fi
-          fi
-
-      - name: Restore Caches
-        uses: ./.github/actions/cache-restore
-        id: 'cache-restore'
-        with:
-          os: ${{ inputs.os_name }}
-          arch: ${{ inputs.arch }}
-          toolchain: ${{ inputs.toolchain }}
-          cache_key_extra: ${{ steps.build-parameters.outputs.ccache_key }}
-          ccache_path: ${{ env.CCACHE_DIR }}
-          download_cache_path: ${{ github.workspace }}/Build/caches
-
-      - name: Set dynamic environment variables
-        run: |
-          # Note: Required for vcpkg to use this compiler for its own builds.
-          echo "CC=${{ steps.build-parameters.outputs.host_cc }}" >> "$GITHUB_ENV"
-          echo "CXX=${{ steps.build-parameters.outputs.host_cxx }}" >> "$GITHUB_ENV"
-
-      # https://github.com/actions/runner-images/issues/9330
-      - name: Enable Microphone Access (macOS 14)
-        if: ${{ inputs.os_name == 'macOS' }}
-        run: sqlite3 $HOME/Library/Application\ Support/com.apple.TCC/TCC.db "INSERT OR IGNORE INTO access VALUES ('kTCCServiceMicrophone','/usr/local/opt/runner/provisioner/provisioner',1,2,4,1,NULL,NULL,0,'UNUSED',NULL,0,1687786159,NULL,NULL,'UNUSED',1687786159);"
-
-      - name: Create Build Environment
-        if: ${{ inputs.build_preset != 'Fuzzers_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: |
-          cmake --preset ${{ inputs.build_preset }} -B Build \
-            ${{ steps.build-parameters.outputs.cmake_options }} \
-            -DPython3_EXECUTABLE=${{ env.pythonLocation }}/bin/python \
-            -DCMAKE_C_COMPILER=${{ steps.build-parameters.outputs.host_cc }} \
-            -DCMAKE_CXX_COMPILER=${{ steps.build-parameters.outputs.host_cxx }}
-
-      - name: Create Build Environment
-        if: ${{ inputs.build_preset == 'Fuzzers_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: |
-          set -e
-
-          cmake --preset=Distribution_CI -S Meta/Lagom -B ${{ github.workspace }}/Build/tools-build \
-            -DLAGOM_TOOLS_ONLY=ON \
-            -DINSTALL_LAGOM_TOOLS=ON \
-            -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/Build/tools-install \
-            -DPython3_EXECUTABLE=${{ env.pythonLocation }}/bin/python \
-            -DCMAKE_C_COMPILER=gcc-13 \
-            -DCMAKE_CXX_COMPILER=g++-13 \
-            -Dpackage=LagomTools
-
-          ninja -C ${{ github.workspace }}/Build/tools-build install
-
-          cmake --preset ${{ inputs.build_preset }} -B Build \
-            -DPython3_EXECUTABLE=${{ env.pythonLocation }}/bin/python \
-            -DCMAKE_C_COMPILER=${{ steps.build-parameters.outputs.host_cc }} \
-            -DCMAKE_CXX_COMPILER=${{ steps.build-parameters.outputs.host_cxx }} \
-            -DCMAKE_PREFIX_PATH=${{ github.workspace }}/Build/tools-install
-
-      # === BUILD ===
-
-      - name: Build
-        working-directory: ${{ github.workspace }}/Build
-        run: |
-          set -e
-          cmake --build .
-          cmake --install . --strip --prefix ${{ github.workspace }}/Install
-
-      - name: Enable the Ladybird Qt chrome
-        if: ${{ inputs.os_name == 'macOS' && inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: cmake -B Build -DENABLE_QT=ON
-
-      - name: Build the Ladybird Qt chrome
-        if: ${{ inputs.os_name == 'macOS' && inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}/Build
-        run: cmake --build .
-
-      - name: Enable the AppKit chrome with Swift files
-        if: ${{ inputs.os_name == 'macOS' && inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}
-        # FIXME: Don't force release build after https://github.com/LadybirdBrowser/ladybird/issues/1101 is fixed
-        run: cmake -B Build -DENABLE_QT=OFF -DENABLE_SWIFT=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo
-
-      - name: Build the AppKit chrome with Swift files
-        if: ${{ inputs.os_name == 'macOS' && inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}/Build
-        run: cmake --build .
-
-      - name: Save Caches
-        uses: ./.github/actions/cache-save
-        with:
-          arch: ${{ inputs.arch }}
-          ccache_path: ${{ env.CCACHE_DIR }}
-          ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}
-
-      # === TEST ===
-
-      - name: Test
-        if: ${{ inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: ctest --preset Sanitizer --output-on-failure --test-dir Build --timeout 1800
-        env:
-          TESTS_ONLY: 1
-          # NOTE: These are appended to the preset's options.
-          ASAN_OPTIONS: 'log_path=${{ github.workspace }}/asan.log'
-          UBSAN_OPTIONS: 'log_path=${{ github.workspace }}/ubsan.log'
-
-      - name: Test
-        if: ${{ inputs.build_preset != 'Fuzzers_CI' && inputs.build_preset != 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: ctest --output-on-failure --test-dir Build --timeout 1800
-        env:
-          TESTS_ONLY: 1
-
-      - name: Upload LibWeb Test Artifacts
-        if: ${{ always() && inputs.build_preset != 'Fuzzers_CI' }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: libweb-test-artifacts-${{ inputs.os_name }}-${{inputs.build_preset}}-${{inputs.toolchain}}-${{inputs.clang-plugins}}
-          path: ${{ github.workspace }}/Build/UI/Headless/test-dumps
-          retention-days: 0
-          if-no-files-found: ignore
-
-      - name: Sanitizer Output
-        if: ${{ !cancelled() && inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: |
-          log_output=$(find . -maxdepth 1 \( -name 'asan.log.*' -o -name 'ubsan.log.*' \) -exec cat {} \; )
-          if [ -z "$log_output" ]; then
-            echo "No sanitizer issues found."
-          else
-            echo "$log_output"
-            echo "Sanitizer errors happened while running tests; see the Test step above."
-          fi
-
-      - name: Lints
-        if: ${{ inputs.os_name == 'Linux' && inputs.build_preset == 'Sanitizer_CI' }}
-        working-directory: ${{ github.workspace }}
-        run: |
-          set -e
-          git ls-files '*.ipc' | xargs ./Build/bin/IPCMagicLinter
-        env:
-          ASAN_OPTIONS: 'strict_string_checks=1:check_initialization_order=1:strict_init_order=1:detect_stack_use_after_return=1:allocator_may_return_null=1'
-          UBSAN_OPTIONS: 'print_stacktrace=1:print_summary=1:halt_on_error=1'
diff --git a/.github/workflows/libjs-test262.yml b/.github/workflows/libjs-test262.yml
deleted file mode 100644
index 9ec906e9e81..00000000000
--- a/.github/workflows/libjs-test262.yml
+++ /dev/null
@@ -1,158 +0,0 @@
-name: Run test262 and test-wasm
-
-on:
-  push:
-    branches: [master]
-
-env:
-  LADYBIRD_SOURCE_DIR: ${{ github.workspace }}
-  VCPKG_ROOT: ${{ github.workspace }}/Build/vcpkg
-
-jobs:
-  run_and_update_results:
-    runs-on: test262-runner
-    if: github.repository == 'LadybirdBrowser/ladybird'
-
-    concurrency: libjs-test262
-
-    steps:
-      - name: Cleanup
-        run: |
-          echo "Cleaning up previous run"
-          rm -rf "${{ github.workspace }}/*"
-
-      - name: Checkout LadybirdBrowser/ladybird
-        uses: actions/checkout@v4
-
-      - name: Checkout LadybirdBrowser/libjs-test262
-        uses: actions/checkout@v4
-        with:
-          repository: LadybirdBrowser/libjs-test262
-          path: libjs-test262
-
-      - name: Checkout LadybirdBrowser/libjs-data
-        uses: actions/checkout@v4
-        with:
-          repository: LadybirdBrowser/libjs-data
-          path: libjs-data
-
-      - name: Checkout tc39/test262
-        uses: actions/checkout@v4
-        with:
-          repository: tc39/test262
-          path: test262
-
-      - name: Checkout tc39/test262-parser-tests
-        uses: actions/checkout@v4
-        with:
-          repository: tc39/test262-parser-tests
-          path: test262-parser-tests
-
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y ninja-build unzip gcc-13 g++-13 jq wget curl zip tar autoconf autoconf-archive automake nasm pkg-config libgl1-mesa-dev rsync
-          test -e /opt/wabt-1.0.35 || (
-            cd /tmp
-            wget https://github.com/WebAssembly/wabt/releases/download/1.0.35/wabt-1.0.35-ubuntu-20.04.tar.gz
-            sudo tar xf wabt-1.0.35-ubuntu-20.04.tar.gz -C /opt
-            rm wabt-1.0.35-ubuntu-20.04.tar.gz
-          )
-          # FIXME: Just use the setup action
-          ./Toolchain/BuildVcpkg.sh --ci
-
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.x'
-
-      - name: Install Python dependencies
-        # The setup-python action set default python to python3.x. Note that we are not using system python here.
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r libjs-test262/requirements.txt
-
-      - name: Check versions
-        run: set +e; g++ --version; g++-13 --version; python --version; python3 --version; ninja --version
-
-      - name: Restore Caches
-        uses: ./.github/actions/cache-restore
-        with:
-          os: 'Linux'
-          arch: 'Lagom'
-          download_cache_path: ${{ github.workspace }}/libjs-test262/Build/caches
-
-      - name: Get previous results
-        run: |
-          mkdir -p old-libjs-data
-          cp -R libjs-data/test262 libjs-data/wasm old-libjs-data
-
-      - name: Build test262-runner, test-js and test-wasm
-        run: |
-          # FIXME: Why does vcpkg need this?
-          #        Running as a normal user would make this a non-issue though
-          export HOME=${{ github.workspace }}/home
-          mkdir -p $HOME
-          env PATH="/opt/wabt-1.0.35/bin:$PATH" \
-            CC=gcc-13 \
-            CXX=g++-13 \
-            cmake --preset CI -B libjs-test262/Build \
-              -DCMAKE_C_COMPILER=gcc-13 \
-              -DCMAKE_CXX_COMPILER=g++-13 \
-              -DWASM_SPEC_TEST_SKIP_FORMATTING=ON \
-              -DINCLUDE_WASM_SPEC_TESTS=ON \
-              -DENABLE_GUI_TARGETS=OFF
-          ninja -C libjs-test262/Build test262-runner test-js test-wasm
-
-      - name: Run test262 and test262-parser-tests
-        working-directory: libjs-test262
-        run: |
-          python3 run_all_and_update_results.py \
-            --serenity .. \
-            --test262 ../test262 \
-            --test262-parser-tests ../test262-parser-tests \
-            --results-json ../libjs-data/test262/results.json \
-            --per-file-output ../libjs-data/test262/per-file-master.json
-
-      - name: Run test-wasm
-        working-directory: libjs-test262
-        run: |
-          Build/bin/test-wasm --per-file Build/Lagom/Libraries/LibWasm/Tests > ../libjs-data/wasm/per-file-master.json || true
-          jq -nc -f /dev/stdin <<-EOF --slurpfile previous ../libjs-data/wasm/results.json --slurpfile details ../libjs-data/wasm/per-file-master.json > wasm-new-results.json
-            \$details[0] as \$details | \$previous[0] + [{
-              "commit_timestamp": $(git -C .. log -1 --format=%ct),
-              "run_timestamp": $(date +%s),
-              "versions": {
-                "serenity": "$(git -C .. rev-parse HEAD)"
-              },
-              "tests": {
-                "spectest": {
-                  "duration": (\$details.duration),
-                  "results": {
-                    "total": (\$details.results | keys | length),
-                    "passed": ([\$details.results | values[] | select(. == "PASSED")] | length),
-                    "failed": ([\$details.results | values[] | select(. == "FAILED")] | length),
-                    "skipped": ([\$details.results | values[] | select(. == "SKIPPED")] | length),
-                    "process_error": ([\$details.results | values[] | select(. == "PROCESS_ERROR")] | length)
-                  }
-                }
-              }
-            }]
-          EOF
-          mv wasm-new-results.json ../libjs-data/wasm/results.json
-
-      - name: Compare test262 results
-        run: ./libjs-test262/per_file_result_diff.py -o old-libjs-data/test262/per-file-master.json -n libjs-data/test262/per-file-master.json
-
-      - name: Compare Wasm results
-        run: ./libjs-test262/per_file_result_diff.py -o old-libjs-data/wasm/per-file-master.json -n libjs-data/wasm/per-file-master.json
-
-      - name: Deploy to GitHub
-        uses: JamesIves/github-pages-deploy-action@v4.7.3
-        with:
-          git-config-name: LadybirdBot
-          git-config-email: ladybirdbot@ladybird.org
-          branch: master
-          repository-name: LadybirdBrowser/libjs-data
-          token: ${{ secrets.LADYBIRD_BOT_TOKEN }}
-          folder: libjs-data
diff --git a/.github/workflows/lint-code.yml b/.github/workflows/lint-code.yml
deleted file mode 100644
index ca901dba922..00000000000
--- a/.github/workflows/lint-code.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: Lint Code
-
-on: [ push, pull_request ]
-
-jobs:
-  lint:
-    runs-on: macos-14
-    if: github.repository == 'LadybirdBrowser/ladybird'
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set Up Environment
-        shell: bash
-        run: |
-          set -e
-
-          brew install curl flake8 llvm@19 ninja optipng shellcheck swift-format unzip
-
-          # Note: gn isn't available in homebrew :(
-          # Corresponds to https://gn.googlesource.com/gn/+/225e90c5025bf74f41dbee60d9cde4512c846fe7
-          curl -L -o gn-mac-arm64.zip "https://chrome-infra-packages.appspot.com/dl/gn/gn/mac-arm64/+/786UV5-XW0Bz6QnRFxKtnzTSVq0ta5AU1KXRJs-ZNwcC"
-          unzip gn-mac-arm64.zip -d ${{ github.workspace }}/bin
-          chmod +x ${{ github.workspace }}/bin/gn
-          echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
-          echo -n "gn version: "
-          ${{ github.workspace}}/bin/gn --version
-
-      - name: Install JS Dependencies
-        shell: bash
-        run: npm install -g prettier@3.3.3
-
-      - name: Lint
-        run: ${{ github.workspace }}/Meta/lint-ci.sh
diff --git a/.github/workflows/lint-commits.yml b/.github/workflows/lint-commits.yml
deleted file mode 100644
index e27b511ccae..00000000000
--- a/.github/workflows/lint-commits.yml
+++ /dev/null
@@ -1,94 +0,0 @@
-name: Lint Commit Messages
-
-on: [pull_request_target]
-
-# Make sure to update Meta/lint-commit.sh to match this script when adding new checks!
-# (… but don't accept overlong 'fixup!' commit descriptions.)
-
-jobs:
-  lint:
-    runs-on: ubuntu-24.04
-    if: github.repository == 'LadybirdBrowser/ladybird'
-
-    steps:
-      - name: Lint PR commits
-        uses: actions/github-script@v7
-        with:
-          script: |
-            const excludedBotIds = [
-              49699333,  // dependabot[bot]
-            ];
-            const rules = [
-              {
-                pattern: /^[^\r]*$/,
-                error: "Commit message contains CRLF line breaks (only unix-style LF linebreaks are allowed)",
-              },
-              {
-                pattern: /^.+(\r?\n(\r?\n.*)*)?$/,
-                error: "Empty line between commit title and body is missing",
-              },
-              {
-                pattern: /^.{0,72}(?:\r?\n(?:(.{0,72})|(.*?([a-z]+:\/\/)?(([a-zA-Z0-9_]|-)+\.)+[a-z]{2,}(:\d+)?([a-zA-Z_0-9@:%\+.~\?&/=]|-)+).*?))*$/,
-                error: "Commit message lines are too long (maximum allowed is 72 characters, except for URLs)",
-              },
-              {
-                pattern: /^((?!^Merge branch )[\s\S])*$/,
-                error: "Commit is a git merge commit, use the rebase command instead",
-              },
-              {
-                pattern: /^\S.*?\S: .+/,
-                error: "Missing category in commit title (if this is a fix up of a previous commit, it should be squashed)",
-              },
-              {
-                pattern: /^\S.*?: [A-Z0-9]/,
-                error: "First word of commit after the subsystem is not capitalized",
-              },
-              {
-                pattern: /^.+[^.\n](\r?\n.*)*$/,
-                error: "Commit title ends in a period",
-              },
-              {
-                pattern: /^((?!Signed-off-by: )[\s\S])*$/,
-                error: "Commit body contains a Signed-off-by tag",
-              },
-            ];
-
-            const { repository, pull_request } = context.payload;
-
-            // NOTE: This maxes out at 250 commits. If this becomes a problem, see:
-            // https://octokit.github.io/rest.js/v18#pulls-list-commits
-            const opts = github.rest.pulls.listCommits.endpoint.merge({
-              owner: repository.owner.login,
-              repo: repository.name,
-              pull_number: pull_request.number,
-            });
-            const commits = await github.paginate(opts);
-
-            const errors = [];
-            for (const { sha, commit: { message }, author } of commits) {
-              if (author !== null && excludedBotIds.includes(author.id)) {
-                continue;
-              }
-              const commitErrors = [];
-              for (const { pattern, error } of rules) {
-                if (!pattern.test(message)) {
-                  commitErrors.push(error);
-                }
-              }
-              if (commitErrors.length > 0) {
-                const title = message.split("\n")[0];
-                errors.push([`${title} (${sha}):`, ...commitErrors].join("\n  "));
-              }
-            }
-
-            if (errors.length > 0) {
-              core.setFailed(`One or more of the commits in this PR do not match the code submission policy:\n\n${errors.join("\n")}`);
-            }
-
-      - name: Comment on PR
-        if: ${{ failure() && !github.event.pull_request.draft }}
-        uses: IdanHo/comment-on-pr@63ea2bf352997c66e524b8b5be7a79163fb3a88a
-        env:
-          GITHUB_TOKEN: ${{ secrets.LADYBIRD_BOT_TOKEN }}
-        with:
-          msg: "Hello!\n\nOne or more of the commit messages in this PR do not match the Ladybird [code submission policy](https://github.com/LadybirdBrowser/ladybird/blob/master/CONTRIBUTING.md#code-submission-policy), please check the `lint_commits` CI job for more details on which commits were flagged and why.\nPlease do not close this PR and open another, instead modify your commit message(s) with [git commit --amend](https://docs.github.com/en/pull-requests/committing-changes-to-your-project/creating-and-editing-commits/changing-a-commit-message) and force push those changes to update this PR."
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 3446c85ca55..00000000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,55 +0,0 @@
-name: Build Ladybird EXE
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-jobs:
-  build:
-    runs-on: windows-latest # Or a specific Windows version if needed
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        with:
-          submodules: recursive # Important for Ladybird's dependencies
-
-      - name: Setup MSVC environment
-        uses: ilammy/msvc-dev-cmd@v1 # Sets up the Visual Studio build environment
-        with:
-          arch: amd64 # or x86, arm64 as needed.
-
-      - name: Install dependencies (if any)
-        # Ladybird usually requires Qt and some other dependencies.
-        # This step might need to be customized based on your specific setup.
-        # Example using vcpkg (if you use it):
-        run: |
-          git clone https://github.com/microsoft/vcpkg.git
-          cd vcpkg
-          .\bootstrap-vcpkg.bat
-          .\vcpkg integrate install
-          .\vcpkg install qt5-base:x64-windows # or qt6
-          # Add any other required dependencies using vcpkg install
-
-      - name: Configure CMake
-        run: |
-          mkdir build
-          cd build
-          cmake .. -G "Visual Studio 17 2022" -A x64 # Adjust generator and architecture as needed.
-          # If you used vcpkg, use this instead:
-          # cmake .. -G "Visual Studio 17 2022" -A x64 -DCMAKE_TOOLCHAIN_FILE=../vcpkg/scripts/buildsystems/vcpkg.cmake
-
-      - name: Build
-        run: |
-          cd build
-          cmake --build . --config Release # Or Debug if needed.
-
-      - name: Upload Artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: ladybird-exe
-          path: build/Release/ladybird.exe # Adjust path based on your build output
diff --git a/.github/workflows/main2.yml b/.github/workflows/main2.yml
deleted file mode 100644
index 852c6cf1181..00000000000
--- a/.github/workflows/main2.yml
+++ /dev/null
@@ -1,68 +0,0 @@
-name: Build Ladybird Browser
-
-on:
-  workflow_dispatch:  # Manual trigger
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    env:
-      CCACHE_DIR: /home/runner/.ccache
-      CCACHE_MAXSIZE: 2G
-      
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Configure CCache
-        run: |
-          sudo apt install -y ccache
-          echo "MAXSIZE=2.0G" | sudo tee /etc/ccache.conf
-
-      - name: Cache build artifacts
-        uses: actions/cache@v3
-        with:
-          path: |
-            Build/
-            /home/runner/.ccache
-          key: ${{ runner.os }}-build-${{ hashFiles('**/CMakeLists.txt') }}-${{ hashFiles('**/package.json') }}
-
-      - name: Install dependencies
-        run: |
-          sudo apt update -y
-          sudo apt install -y \
-            autoconf autoconf-archive automake build-essential ccache cmake curl \
-            fonts-liberation2 git libgl1-mesa-dev nasm ninja-build pkg-config \
-            qt6-base-dev qt6-tools-dev-tools qt6-wayland tar unzip zip \
-            libpulse-dev qt6-multimedia-dev xvfb
-
-      - name: Install CMake 3.25+ from Kitware
-        run: |
-          wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | sudo tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null
-          echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/kitware.list
-          sudo apt update -y && sudo apt install cmake -y
-
-      - name: Install Clang 19 (C++23-capable compiler)
-        run: |
-          sudo wget -O /usr/share/keyrings/llvm-snapshot.gpg.key https://apt.llvm.org/llvm-snapshot.gpg.key
-          echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] https://apt.llvm.org/$(lsb_release -sc)/ llvm-toolchain-$(lsb_release -sc)-19 main" | sudo tee -a /etc/apt/sources.list.d/llvm.list
-          sudo apt update -y && sudo apt install clang-19 clangd-19 clang-format-19 clang-tidy-19 lld-19 -y
-
-      - name: Build Ladybird Using `ladybird.sh` with Virtual Display
-        run: |
-          chmod +x Meta/ladybird.sh
-          export CC="clang-19"
-          export CXX="clang++-19"
-          xvfb-run --auto-servernum --server-args="-screen 0 1280x720x24" ./Meta/ladybird.sh run ladybird
-
-      - name: Upload Build Artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: Ladybird-Browser
-          path: |
-            Build/Ladybird/Ladybird*
-            Build/Ladybird/*.so
-            Build/Ladybird/*.dll
-            Build/Ladybird/*.dylib
-            Build/Ladybird/*.exe
-          retention-days: 7
diff --git a/.github/workflows/main3.yml b/.github/workflows/main3.yml
deleted file mode 100644
index b5436434daa..00000000000
--- a/.github/workflows/main3.yml
+++ /dev/null
@@ -1,63 +0,0 @@
-name: Build Ladybird Browser.
-
-on:
-  workflow_dispatch:  # Allows manual trigger from GitHub Actions UI
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v4
-
-      - name: Install Dependencies
-        run: |
-          sudo apt update -y
-          sudo apt install -y \
-            autoconf autoconf-archive automake build-essential ccache cmake curl \
-            fonts-liberation2 git libgl1-mesa-dev nasm ninja-build pkg-config \
-            qt6-base-dev qt6-tools-dev-tools qt6-wayland tar unzip zip \
-            libpulse-dev qt6-multimedia-dev xvfb mesa-utils libegl-dev libglx-dev libosmesa6
-
-      - name: Install CMake 3.25+ from Kitware
-        run: |
-          wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | sudo tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null
-          echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/kitware.list
-          sudo apt update -y && sudo apt install cmake -y
-
-      - name: Install Clang 19 (C++23-capable compiler)
-        run: |
-          sudo wget -O /usr/share/keyrings/llvm-snapshot.gpg.key https://apt.llvm.org/llvm-snapshot.gpg.key
-          echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] https://apt.llvm.org/$(lsb_release -sc)/ llvm-toolchain-$(lsb_release -sc)-19 main" | sudo tee -a /etc/apt/sources.list.d/llvm.list
-          sudo apt update -y && sudo apt install clang-19 clangd-19 clang-format-19 clang-tidy-19 lld-19 -y
-
-      - name: Setup Virtual Display (Xvfb)
-        run: |
-          Xvfb :99 -screen 0 1920x1080x24 &
-          echo "DISPLAY=:99" >> $GITHUB_ENV
-
-      - name: Enable Software Rendering & Disable Vulkan
-        run: |
-          echo "LIBGL_ALWAYS_SOFTWARE=1" >> $GITHUB_ENV
-          echo "MESA_LOADER_DRIVER_OVERRIDE=llvmpipe" >> $GITHUB_ENV
-          echo "QT_QPA_PLATFORM=offscreen" >> $GITHUB_ENV
-          echo "QT_QPA_PLATFORMTHEME=qt5ct" >> $GITHUB_ENV
-
-      - name: Build Ladybird Using `ladybird.sh`
-        run: |
-          chmod +x Meta/ladybird.sh
-          ./Meta/ladybird.sh build
-
-      - name: Find & List Produced Files (Debugging)
-        run: find . -type f -printf "%P\n" | tee build-file-list.txt
-
-      - name: Upload All Produced Files
-        uses: actions/upload-artifact@v4
-        with:
-          name: Ladybird-All-Files
-          path: |
-            Build/release/**
-            Build/**
-            build-file-list.txt
-          retention-days: 14
diff --git a/.github/workflows/merge-conflict-labeler.yml b/.github/workflows/merge-conflict-labeler.yml
deleted file mode 100644
index c84755cd902..00000000000
--- a/.github/workflows/merge-conflict-labeler.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: 'Label PRs with merge conflicts'
-on:
-  # PRs typically get conflicted after a push to master.
-  push:
-    branches: [master]
-
-  # If a PR targeting master is (re)opened or updated, recheck for conflicts and update the label.
-  # NOTE: This runs against the target branch, not the PR branch.
-  pull_request_target:
-    types: [opened, synchronize, reopened]
-    branches: [master]
-
-jobs:
-  auto-labeler:
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: read
-      pull-requests: write
-    steps:
-      - uses: eps1lon/actions-label-merge-conflict@v3
-        with:
-          commentOnDirty: >
-            Your pull request has conflicts that need to be resolved before it can be reviewed and merged. Make sure to
-            [rebase](https://www.youtube.com/watch?v=ElRzTuYln0M) your branch on top of the latest `master`.
-          dirtyLabel: 'conflicts'
-          repoToken: ${{ secrets.GITHUB_TOKEN }}
-          retryAfter: 15
-          retryMax: 3
diff --git a/.github/workflows/nightly-android.yml b/.github/workflows/nightly-android.yml
deleted file mode 100644
index 6d152f23938..00000000000
--- a/.github/workflows/nightly-android.yml
+++ /dev/null
@@ -1,107 +0,0 @@
-name: Nightly Android
-
-on:
-  # Automatically run at the end of every day.
-  schedule:
-    - cron: '0 0 * * *'
-  
-  # Allow manual triggering from the GitHub Actions UI
-  workflow_dispatch:
-env:
-  # runner.workspace = /home/runner/work/ladybird
-  # github.workspace = /home/runner/work/ladybird/ladybird
-  LADYBIRD_SOURCE_DIR: ${{ github.workspace }}
-  CCACHE_DIR: ${{ github.workspace }}/.ccache
-  VCPKG_ROOT:  ${{ github.workspace }}/Build/vcpkg
-  VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || format('{0}-{1}', github.ref, github.run_number) }}
-  cancel-in-progress: true
-
-jobs:
-  CI:
-    runs-on: ${{ matrix.os }}
-    if: github.repository != 'LadybirdBrowser/ladybird'
-    strategy:
-      fail-fast: false
-      matrix:
-        os_name: ['Android']
-        os: [macos-14]
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set Up Environment
-        uses: ./.github/actions/setup
-        with:
-          os: ${{ matrix.os_name }}
-          arch: 'Lagom'
-
-      - name: Set Up Java
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'temurin'
-          java-version: 17
-
-      - name: Set Up Gradle
-        uses: gradle/actions/setup-gradle@v4
-
-      # === PREPARE FOR BUILDING ===
-
-      - name: Restore Caches
-        uses: ./.github/actions/cache-restore
-        id: 'cache-restore'
-        with:
-          os: ${{ matrix.os_name }}
-          arch: 'Lagom'
-          cache_key_extra: 'Nightly Android'
-          ccache_path: ${{ env.CCACHE_DIR }}
-          download_cache_path: ${{ github.workspace }}/Build/caches
-
-      - name: Assign Build Parameters
-        id: 'build-parameters'
-        run: |
-          echo "host_cc=$(xcrun --find clang)" >> "$GITHUB_OUTPUT"
-          echo "host_cxx=$(xcrun --find clang++)" >> "$GITHUB_OUTPUT"
-
-      - name: Install NDK
-        run: |
-          yes | ${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager --licenses
-          yes | ${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager "platform-tools" "build-tools;32.0.0" "platforms;android-34"
-          yes | ${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager "ndk;26.1.10909125"
-
-      - name: Start Android Emulator
-        run: |
-          # Install AVD files
-          echo "y" | ${ANDROID_HOME}/cmdline-tools/latest/bin/sdkmanager --install 'system-images;android-30;google_apis;x86_64'
-
-          # Create emulator
-          echo "no" | ${ANDROID_HOME}/cmdline-tools/latest/bin/avdmanager create avd -n xamarin_android_emulator -k 'system-images;android-30;google_apis;x86_64' --force
-
-
-          ${ANDROID_HOME}/emulator/emulator -list-avds
-
-          echo "Starting emulator"
-
-          # Start emulator in background
-          nohup ${ANDROID_HOME}/emulator/emulator -avd xamarin_android_emulator -no-snapshot > /dev/null 2>&1 &
-          ${ANDROID_HOME}/platform-tools/adb wait-for-device shell 'while [[ -z $(getprop sys.boot_completed | tr -d '\r') ]]; do sleep 1; done; input keyevent 82'
-          ${ANDROID_HOME}/platform-tools/adb devices
-          echo "Emulator started"
-
-      # === BUILD ===
-
-      - name: Build and Test
-        working-directory: ${{ github.workspace }}/UI/Android
-        run: ./gradlew connectedAndroidTest
-        env:
-          GRADLE_OPTS: '-Xmx3072m'
-          SERENITY_CACHE_DIR: ${{ github.workspace }}/Build/caches
-
-      - name: Save Caches
-        uses: ./.github/actions/cache-save
-        with:
-          arch: 'Lagom'
-          ccache_path: ${{ env.CCACHE_DIR }}
-          ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}
diff --git a/.github/workflows/nightly-lagom.yml b/.github/workflows/nightly-lagom.yml
deleted file mode 100644
index f7a9c367eb3..00000000000
--- a/.github/workflows/nightly-lagom.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-name: Nightly Lagom
-
-on:
-  # Automatically run at the end of every day.
-  schedule:
-    - cron: '0 0 * * *'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  # CI matrix - runs the job in lagom-template.yml with different configurations.
-  Lagom:
-    if: github.repository == 'LadybirdBrowser/ladybird'
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os_name: ['Linux']
-        os: [ubuntu-24.04-arm]
-        arch: ['arm64']
-        build_preset: ['Sanitizer_CI']
-        toolchain: ['Clang']
-        clang_plugins: [false]
-
-        include:
-          - os_name: 'Linux'
-            os: ubuntu-24.04
-            arch: 'x86_64'
-            build_preset: 'Distribution_CI'
-            toolchain: 'GNU'
-            clang_plugins: false
-
-          - os_name: 'macOS'
-            os: macos-15
-            arch: 'arm64'
-            build_preset: 'Distribution_CI'
-            toolchain: 'Clang'
-            clang_plugins: false
-
-          - os_name: 'Linux'
-            os: ubuntu-24.04-arm
-            arch: 'arm64'
-            build_preset: 'Distribution_CI'
-            toolchain: 'Clang'
-            clang_plugins: false
-
-    uses: ./.github/workflows/lagom-template.yml
-    with:
-      toolchain: ${{ matrix.toolchain }}
-      os_name: ${{ matrix.os_name }}
-      os: ${{ matrix.os }}
-      arch: ${{ matrix.arch }}
-      build_preset: ${{ matrix.build_preset }}
-      clang_plugins: ${{ matrix.clang_plugins }}
diff --git a/.github/workflows/notes-push.yml b/.github/workflows/notes-push.yml
deleted file mode 100644
index a5bb21bd13a..00000000000
--- a/.github/workflows/notes-push.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: Push notes
-on:
-  push:
-    branches:
-      - master
-permissions:
-  contents: write
-jobs:
-  build:
-    if: github.repository == 'LadybirdBrowser/ladybird'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - uses: fregante/setup-git-user@v2
-      - run: |
-          git fetch origin "refs/notes/*:refs/notes/*"
-          curl -fsSLO https://sideshowbarker.github.io/git-gloss/git-gloss && bash ./git-gloss
-          git push origin "refs/notes/*" || true
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
deleted file mode 100644
index 809636265f4..00000000000
--- a/.github/workflows/stale.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-name: 'Close stale PRs'
-on:
-  # Run daily at 01:30.
-  schedule:
-    - cron: '30 1 * * *'
-
-  # Allows you to run this workflow manually from the Actions tab on GitHub.
-  workflow_dispatch:
-
-jobs:
-  stale:
-    runs-on: ubuntu-24.04
-    permissions:
-      actions: write  # required for cache management (see https://github.com/actions/stale/issues/1133)
-      pull-requests: write
-    steps:
-      # replace `uses:` below with upstream actions/stale when https://github.com/actions/stale/issues/1136 is fixed
-      - uses: itchyny/actions-stale@0980a21d84c23bd4d8c62b0958f47f25822286f2
-        with:
-          operations-per-run: 500
-
-          # Leave issues alone.
-          days-before-issue-stale: -1
-          days-before-issue-close: -1
-
-          # PRs become stale after 21 days of inactivity.
-          days-before-pr-stale: 21
-          stale-pr-label: stale
-          stale-pr-message: >
-            This pull request has been automatically marked as stale because it has not had recent activity. It will be
-            closed in 7 days if no further activity occurs. Thank you for your contributions!
-
-          # PRs get closed after 30 days (21 + 7) of inactivity
-          days-before-pr-close: 7
-          close-pr-message: >
-            This pull request has been closed because it has not had recent activity. Feel free to open a new pull
-            request if you wish to still contribute these changes. Thank you for your contributions!