diff --git a/.github/workflows/ci-alpine.yml b/.github/workflows/ci-alpine.yml
index 054a4f647..21bc0b7f5 100644
--- a/.github/workflows/ci-alpine.yml
+++ b/.github/workflows/ci-alpine.yml
@@ -3,21 +3,18 @@ on:
   pull_request:
   push:
   schedule:
-    - cron: '0 0 * * 0'
+    - cron: 0 0 * * 0
   workflow_dispatch:
 jobs:
   build:
     if: "!contains(github.event.head_commit.message, '[skip alpine ci]')"
-    container: alpine:edge
+    container: alpine:latest
     runs-on: ubuntu-latest
-    env:
-      CXX: ${{ matrix.compiler }}
-      CXXFLAGS: -Werror
     steps:
       - uses: actions/checkout@v6
 
       - name: Install dependencies
-        run: |
+        run: |-
           echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
           apk update
           apk add \
@@ -37,24 +34,36 @@ jobs:
             tre-dev
 
       - name: Enable extras
-        run: |
+        run: |-
           for MODULE in enc_argon2 enc_posix ldap mysql regex_pcre2 regex_posix regex_tre sqlite ssl_gnutls ssl_openssl
           do
             ln -s $PWD/modules/extra/$MODULE.cpp $PWD/modules
           done
 
       - name: Run CMake
-        run: |
-          mkdir build && cd build
-          cmake -GNinja -DCMAKE_BUILD_TYPE:STRING=DEBUG -DINSTDIR:STRING=$(readlink -f ../run) ..
+        env:
+          CC: ${{ matrix.compiler.cc }}
+          CXX: ${{ matrix.compiler.cxx }}
+          CXXFLAGS: -Werror
+        run: |-
+          cmake -B "build" \
+                -D "CMAKE_BUILD_TYPE=Debug" \
+                -D "INSTDIR=$(readlink -f ../run)" \
+                -G "Ninja" \
+                -Wdeprecated \
+                -Wdev
 
-      - name: Build Anope
-        run: |
-          ninja -C build install
+      - name: Build and install
+        env:
+          VERBOSE: ${{ runner.debug }}
+        run: |-
+          ninja -C "build" ${{ runner.debug == '1' && '-v' || '' }} install
 
     strategy:
       fail-fast: false
       matrix:
         compiler:
-          - clang++
-          - g++
+          - cc: clang
+            cxx: clang++
+          - cc: gcc
+            cxx: g++
diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index 9ff4ac6ec..8abe6e8d9 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -3,20 +3,17 @@ on:
   pull_request:
   push:
   schedule:
-    - cron: '0 0 * * 0'
+    - cron: 0 0 * * 0
   workflow_dispatch:
 jobs:
   build:
     if: "!contains(github.event.head_commit.message, '[skip ubuntu ci]')"
-    runs-on: ubuntu-24.04
-    env:
-      CXX: ${{ matrix.compiler }}
-      CXXFLAGS: -Werror
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
 
       - name: Install dependencies
-        run: |
+        run: |-
           sudo apt-get update --assume-yes
           sudo apt-get install --assume-yes --no-install-recommends \
             clang \
@@ -34,24 +31,36 @@ jobs:
             ninja-build
 
       - name: Enable extras
-        run: |
+        run: |-
           for MODULE in enc_argon2 enc_posix ldap mysql regex_pcre2 regex_posix regex_tre sqlite ssl_gnutls ssl_openssl
           do
             ln -s ${{ github.workspace }}/modules/extra/$MODULE.cpp ${{ github.workspace }}/modules
           done
 
       - name: Run CMake
-        run: |
-          mkdir build && cd build
-          cmake -GNinja -DCMAKE_BUILD_TYPE:STRING=DEBUG -DINSTDIR:STRING=${{ github.workspace }}/run ..
+        env:
+          CC: ${{ matrix.compiler.cc }}
+          CXX: ${{ matrix.compiler.cxx }}
+          CXXFLAGS: -Werror
+        run: |-
+          cmake -B "build" \
+                -D "CMAKE_BUILD_TYPE=Debug" \
+                -D "INSTDIR=${{ github.workspace }}/run" \
+                -G "Ninja" \
+                -Wdeprecated \
+                -Wdev
 
-      - name: Build Anope
-        run: |
-          ninja -C ${{ github.workspace }}/build install
+      - name: Build and install
+        env:
+          VERBOSE: ${{ runner.debug }}
+        run: |-
+          ninja -C "build" ${{ runner.debug == '1' && '-v' || '' }} install
 
     strategy:
       fail-fast: false
       matrix:
         compiler:
-          - clang++
-          - g++
+          - cc: clang
+            cxx: clang++
+          - cc: gcc
+            cxx: g++
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index 87af79a0a..f5b2705fe 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -6,77 +6,90 @@ on:
     types:
       - published
   schedule:
-    - cron: '0 0 * * 0'
+    - cron: 0 0 * * 0
   workflow_dispatch:
 jobs:
   build:
     if: "!contains(github.event.head_commit.message, '[skip windows ci]')"
     runs-on: windows-2025
     env:
+      BUILD_PATH: ${{ github.workspace }}\build
       BUILD_TYPE: ${{ github.event_name == 'release' && 'Release' || 'Debug' }}
+      CONAN_FILE: ${{ github.workspace }}\src\win32\conanfile.txt
       CONAN_HOME: ${{ github.workspace }}\build\conan
     steps:
       - uses: actions/checkout@v6
 
-      - name: Install NSIS
+      - name: Setup MSVC
+        uses: TheMrMilchmann/setup-msvc-dev@v4
+        with:
+          arch: x64
+
+      - name: Setup NSIS
         uses: negrutiu/nsis-install@v3
         with:
           distro: official
 
-      - name: Setup MSBuild
-        uses: microsoft/setup-msbuild@v3
-
       - name: Setup Conan
         uses: turtlebrowser/get-conan@v1.2
 
-      - name: Create Conan profile
+      - name: Create Conan configuration
         run: |-
           conan profile detect
           (Get-Content ${{ env.CONAN_HOME }}\profiles\default).replace('build_type=Release', 'build_type=${{ env.BUILD_TYPE }}') | Set-Content ${{ env.CONAN_HOME }}\profiles\default
           (Get-Content ${{ env.CONAN_HOME }}\profiles\default).replace('compiler.cppstd=14', 'compiler.cppstd=17') | Set-Content ${{ env.CONAN_HOME }}\profiles\default
+
           Write-Output 'core.sources:download_urls=["origin", "https://c3i.jfrog.io/artifactory/conan-center-backup-sources/"]' | Out-File -Append ${{ env.CONAN_HOME }}\global.conf
+          Write-Output 'tools.cmake.cmaketoolchain:generator=Ninja' | Out-File -Append ${{ env.CONAN_HOME }}\global.conf
+          Write-Output 'user.openssl:windows_use_jom=True' | Out-File -Append ${{ env.CONAN_HOME }}\global.conf
 
       - name: Try to restore libraries from the cache
+        if: github.event_name != 'release'
         uses: actions/cache/restore@v5
         id: library-cache
         with:
-          key: conan-${{ env.BUILD_TYPE }}-${{ hashFiles('src\win32\conanfile.txt') }}
-          path: ${{ env.CONAN_HOME }}\p
+          key: Conan VS${{ env.VisualStudioVersion }} ${{ env.BUILD_TYPE }} ${{ hashFiles(env.CONAN_FILE) }}
+          path: ${{ env.CONAN_HOME }}/p
 
       - name: Install libraries
-        run: |
-          (Get-Content ${{ github.workspace }}\src\win32\conanfile.txt).replace('##', '') | Set-Content ${{ github.workspace }}\src\win32\conanfile.txt
-          conan install ${{ github.workspace }}\src\win32 --build missing --deployer runtime_deploy --deployer-folder ${{ github.workspace }}\build\extradll --output-folder .
+        working-directory: ${{ env.BUILD_PATH }}
+        run: |-
+          (Get-Content ${{ env.CONAN_FILE }}).replace('##', '') | Set-Content ${{ env.CONAN_FILE }}
+          conan install ${{ env.CONAN_FILE }} --build missing --deployer runtime_deploy --deployer-folder extradll --output-folder .
+          conan cache clean "*"
 
       - name: Save libraries to the cache
-        if: ${{ steps.library-cache.outputs.cache-hit != 'true' }}
+        if: steps.library-cache.outputs.cache-hit != 'true' && github.event_name != 'release'
         uses: actions/cache/save@v5
         with:
           key: ${{ steps.library-cache.outputs.cache-primary-key }}
           path: ${{ env.CONAN_HOME }}\p
 
       - name: Run CMake
-        shell: cmd # work around a conan-io/conan-center-index bug #21823
-        working-directory: ${{ github.workspace }}\build
-        run: |
-          call ${{ github.workspace }}\conanbuild.bat
-          cmake -A x64 -D "CMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }}" -D CMAKE_TOOLCHAIN_FILE=conan_toolchain.cmake -G "Visual Studio 17 2022" ..
+        working-directory: ${{ env.BUILD_PATH }}
+        run: |-
+          cmake -D "CMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }}" `
+                -D "CMAKE_TOOLCHAIN_FILE=conan_toolchain.cmake" `
+                -G "Ninja Multi-Config" `
+                -S "${{ github.workspace }}" `
+                -Wdeprecated `
+                -Wdev
 
-      - name: Build Anope
-        working-directory: ${{ github.workspace }}\build
-        run: |
-          msbuild PACKAGE.vcxproj /M:5 /P:Configuration=${{ env.BUILD_TYPE }} /P:Platform=x64 /VERBOSITY:MINIMAL
+      - name: Build installer
+        working-directory: ${{ env.BUILD_PATH }}
+        run: |-
+          ninja -f "build-${{ env.BUILD_TYPE }}.ninja" ${{ runner.debug == '1' && '-v' || '' }} package
 
       - name: Upload installer
-        if: "${{ github.event_name == 'release' }}"
-        working-directory: ${{ github.workspace }}\build
+        if: github.event_name == 'release'
+        working-directory: ${{ env.BUILD_PATH }}
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           gh release upload ${{ github.event.release.tag_name }} $(Get-ChildItem anope-*.exe)
 
       - name: Upload artifact
-        if: "${{ github.event_name != 'release' }}"
+        if: github.event_name != 'release'
         uses: actions/upload-artifact@v7
         with:
           name: windows-installer