diff --git a/.github/workflows/CI_emscripten.yml b/.github/workflows/CI_emscripten.yml
index aa49d3be602..bf4bed5d0f2 100644
--- a/.github/workflows/CI_emscripten.yml
+++ b/.github/workflows/CI_emscripten.yml
@@ -146,7 +146,7 @@ jobs:
         echo "WZ_FULL_OUTPUT_ZIP_PATH=${OUTPUT_DIR}/${OUTPUT_FILE_NAME}" >> $GITHUB_ENV
 
     - name: 'Upload Artifact - (Archive)'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success() && (matrix.upload_artifact == true) && (github.repository == 'Warzone2100/warzone2100')
       with:
         name: warzone2100_${{ env.WZ_BUILD_DESC }}_archive
@@ -171,7 +171,7 @@ jobs:
     - name: Prep Environment
       run: mkdir dl-archive
     - name: Download Archive Artifact
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: 'warzone2100_${{ env.WZ_BUILD_DESC }}_archive'
         path: ./dl-archive
diff --git a/.github/workflows/CI_flatpak.yml b/.github/workflows/CI_flatpak.yml
index c5651b06785..b0ce5fabf64 100644
--- a/.github/workflows/CI_flatpak.yml
+++ b/.github/workflows/CI_flatpak.yml
@@ -246,12 +246,12 @@ jobs:
     ###############################################################
     # Upload the .flatpak and debugsymbols artifacts
     - name: Upload Artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: 'warzone2100_linux_flatpak_${{ matrix.arch }}'
         path: ${{ steps.settings.outputs.WZ_FLATPAK_BUNDLE }}
     - name: Upload debug info
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: 'debugsymbols_linux_flatpak_${{ matrix.arch }}'
         path: |
@@ -275,7 +275,7 @@ jobs:
           objdump -p flatpak_app/files/bin/warzone2100 | grep NEEDED | grep -E -v 'linux-vdso|ld-linux-' | awk 'NF == 2 { system("echo " $2 " && cp /var/lib/flatpak/runtime/org.freedesktop.Platform/${WZ_FLATPAK_TARGET_ARCH}/${WZ_FREEDESKTOP_RUNTIME_VERSION}/active/files/lib/${WZ_FLATPAK_TARGET_ARCH}-linux-gnu/" $2 " output_debug_dependency_snapshot") }'
         fi
     - name: Upload additional debug dependency info
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: 'debugdependencylibsnapshot_linux_flatpak_${{ matrix.arch }}'
         path: |
@@ -299,7 +299,7 @@ jobs:
         echo "  -> Size (bytes): $(stat -c %s "${REPO_TAR_FILE}")"
     - name: Upload ostree repo
       if: success() && (github.event_name == 'release' && github.event.action == 'published')
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: 'ostree_repo_flatpak_${{ matrix.arch }}_${{ steps.settings.outputs.WZ_FLATPAK_BRANCH }}'
         path: '${{ steps.repo-tar.outputs.REPO_TAR_FILE }}'
@@ -327,12 +327,12 @@ jobs:
           mkdir -p dl-debug/symbols
           mkdir -p dl-debug/additional
       - name: Download Debug Symbols
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'debugsymbols_linux_flatpak_${{ matrix.arch }}'
           path: ./dl-debug/symbols
       - name: Download Additional Debug Files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'debugdependencylibsnapshot_linux_flatpak_${{ matrix.arch }}'
           path: ./dl-debug/additional
@@ -372,7 +372,7 @@ jobs:
         run: |
           mkdir dl-artifacts
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'warzone2100_linux_flatpak_${{ matrix.arch }}'
           path: ./dl-artifacts
@@ -452,7 +452,7 @@ jobs:
         run: |
           mkdir dl-artifacts
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'ostree_repo_flatpak_${{ matrix.arch }}_${{ needs.build-flatpak.outputs.WZ_FLATPAK_BRANCH }}'
           path: ./dl-artifacts
diff --git a/.github/workflows/CI_macos.yml b/.github/workflows/CI_macos.yml
index 9bf3a961faa..f9b74c2ef88 100644
--- a/.github/workflows/CI_macos.yml
+++ b/.github/workflows/CI_macos.yml
@@ -201,7 +201,7 @@ jobs:
 
         echo "WZ_FULL_OUTPUT_ZIP_PATH=${OUTPUT_DIR}/${DESIRED_ZIP_NAME}" >> $GITHUB_ENV
         exit 0
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: success() && (matrix.publish_artifact == true)
       with:
         name: "warzone2100_macOS_${{ matrix.artifact_suffix }}"
@@ -235,7 +235,7 @@ jobs:
         
           echo "OUTPUT_DIR=output" >> $GITHUB_ENV
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           path: ./dl-artifacts
       - name: Display structure of downloaded files
@@ -293,7 +293,7 @@ jobs:
 
           echo "WZ_FULL_OUTPUT_ZIP_PATH=${OUTPUT_DIR}/${DESIRED_ZIP_NAME}" >> $GITHUB_ENV
           exit 0
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "warzone2100_macOS_universal"
           path: ${{ env.WZ_FULL_OUTPUT_ZIP_PATH }}
@@ -351,7 +351,7 @@ jobs:
           echo "WZ_FULL_OUTPUT_ZIP_PATH=${OUTPUT_DIR}/${DESIRED_ZIP_NAME}" >> $GITHUB_ENV
 
           exit 0
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "warzone2100_macOS_universal_novideos"
           path: ${{ env.WZ_FULL_OUTPUT_ZIP_PATH }}
@@ -383,7 +383,7 @@ jobs:
         run: |
           mkdir dl-archive
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'warzone2100_macOS_universal_novideos'
           path: ./dl-archive
diff --git a/.github/workflows/CI_snapcraft.yml b/.github/workflows/CI_snapcraft.yml
index c3b868c8103..f7c18f0ff05 100644
--- a/.github/workflows/CI_snapcraft.yml
+++ b/.github/workflows/CI_snapcraft.yml
@@ -112,7 +112,7 @@ jobs:
         echo "  -> SHA512: $(sha512sum "${OUTPUT_DIR}/${OUTPUT_FILE_NAME}")"
         echo "  -> Size (bytes): $(stat -c %s "${OUTPUT_DIR}/${OUTPUT_FILE_NAME}")"
         echo "WZ_FULL_OUTPUT_SNAP_PATH=${OUTPUT_DIR}/${OUTPUT_FILE_NAME}" >> $GITHUB_ENV
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: success()
       with:
         name: 'warzone2100_linux_${{ matrix.arch }}_snap'
diff --git a/.github/workflows/CI_ubuntu.yml b/.github/workflows/CI_ubuntu.yml
index b18a2904e71..0f5a6c32b3b 100644
--- a/.github/workflows/CI_ubuntu.yml
+++ b/.github/workflows/CI_ubuntu.yml
@@ -174,7 +174,7 @@ jobs:
         echo "  -> SHA512: $(sha512sum "${OUTPUT_DIR}/${OUTPUT_FILE_NAME}")"
         echo "  -> Size (bytes): $(stat -c %s "${OUTPUT_DIR}/${OUTPUT_FILE_NAME}")"
         echo "WZ_FULL_OUTPUT_DEB_PATH=${OUTPUT_DIR}/${OUTPUT_FILE_NAME}" >> $GITHUB_ENV
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: success() && (matrix.publish_artifact == true)
       with:
         name: "warzone2100_${{ matrix.output-suffix }}_${{ matrix.arch }}_deb"
@@ -188,7 +188,7 @@ jobs:
         WZ_EXECUTABLE_PATH="${WZ_BUILD_DIR}/src/warzone2100${WZ_OUTPUT_NAME_SUFFIX}"
         objcopy --only-keep-debug "${WZ_EXECUTABLE_PATH}" "warzone2100${WZ_OUTPUT_NAME_SUFFIX}.debug"
     - name: Upload debug info
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success() && (matrix.publish_artifact == true)
       with:
         name: 'debugsymbols_${{ matrix.output-suffix }}_${{ matrix.arch }}'
@@ -273,7 +273,7 @@ jobs:
         echo "Generated warzone2100 tarball: \"warzone2100_src.tar.xz\""
         echo "  -> SHA512: $(sha512sum "${OUTPUT_DIR}/warzone2100_src.tar.xz")"
         echo "  -> Size (bytes): $(stat -c %s "${OUTPUT_DIR}/warzone2100_src.tar.xz")"
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: success()
       with:
         name: warzone2100_src
@@ -310,7 +310,7 @@ jobs:
         run: |
           mkdir dl-debug-symbols
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'debugsymbols_${{ matrix.output-suffix }}_${{ matrix.arch }}'
           path: ./dl-debug-symbols
diff --git a/.github/workflows/CI_windows.yml b/.github/workflows/CI_windows.yml
index 9354f67dff6..c0441f72899 100644
--- a/.github/workflows/CI_windows.yml
+++ b/.github/workflows/CI_windows.yml
@@ -534,7 +534,7 @@ jobs:
         & "${env:WZ_FULL_CMAKE_PATH}\cmake.exe" -DCMAKE_C_COMPILER="${env:WZ_MINGW_PKG_PREFIX}-gcc" -DCMAKE_CXX_COMPILER="${env:WZ_MINGW_PKG_PREFIX}-g++" -DCMAKE_RC_COMPILER="${env:WZ_MINGW_PKG_PREFIX}-windres" -DCMAKE_ASM_MASM_COMPILER="${env:WZ_ASM_MASM_COMPILER}" -DWZ_MINGW_DIST_PATH="${env:WZ_MINGW_DIST_PATH}" -DCMAKE_TOOLCHAIN_FILE="${{ github.workspace }}\build\vcpkg\scripts\buildsystems\vcpkg.cmake" -DCMAKE_BUILD_TYPE=Release -DWZ_DISTRIBUTOR:STRING="${env:WZ_DISTRIBUTOR}" -DDISCORD_RPC_APPID:STRING="${env:DISCORD_RPC_APPID}" -DWZ_BUILD_SENTRY:BOOL=${WZ_BUILD_SENTRY_VALUE} ${SENTRY_DSN_PARAM} ${SENTRY_BACKEND_PARAM} -G "Ninja" "${{ steps.settings.outputs.WZ_REPO_PATH }}"
         echo "::remove-matcher owner=cmake::"
     - name: Upload vcpkg logs (on failure)
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: failure()
       with:
         name: win_${{ matrix.architecture }}_vcpkg_logs
@@ -582,7 +582,7 @@ jobs:
           Copy-Item -LiteralPath "$NSIS_Log" -Destination ".\output\error_logs"
         }
     - name: Upload Failure Logs Artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: failure()
       with:
         name: win_${{ matrix.architecture }}_error_logs
@@ -634,28 +634,28 @@ jobs:
     # Upload build artifacts
     #####################################################
     - name: 'Upload Artifact - (Portable Build)'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success() && (github.repository == 'Warzone2100/warzone2100')
       with:
         name: warzone2100_${{ steps.settings.outputs.WZ_BUILD_DESC }}_portable
         path: '${{ github.workspace }}\output\portable'
         if-no-files-found: 'error'
     - name: 'Upload Artifact - (Regular Installer)'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success() && (github.repository == 'Warzone2100/warzone2100')
       with:
         name: warzone2100_${{ steps.settings.outputs.WZ_BUILD_DESC }}_installer
         path: '${{ github.workspace }}\output\installer'
         if-no-files-found: 'error'
     - name: 'Upload Artifact - (Debug Symbols)'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success() && (github.repository == 'Warzone2100/warzone2100')
       with:
         name: warzone2100_${{ steps.settings.outputs.WZ_BUILD_DESC }}_DEBUGSYMBOLS
         path: '${{ github.workspace }}\output\debugsymbols'
         if-no-files-found: 'error'
     - name: 'Upload Artifact - (Archive)'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success() && ((github.event_name == 'push' && github.ref == 'refs/heads/master') || (github.event_name == 'workflow_run' && github.event.workflow_run.name == 'Draft Tag Release')) && (matrix.deploy_release == true) && (github.repository == 'Warzone2100/warzone2100')
       with:
         name: warzone2100_${{ steps.settings.outputs.WZ_BUILD_DESC }}_archive
@@ -713,7 +713,7 @@ jobs:
         Get-ChildItem -Path "${env:SOURCE_BUNDLE_OUTPUT_DIR}" -Recurse
     - name: Upload Sentry source bundles
       if: success() && (github.repository == 'Warzone2100/warzone2100') && (matrix.support_sentry == true) && (steps.settings.outputs.WZ_ENABLE_SENTRY == 'true') && (steps.create-sentry-source-bundle.outcome == 'success')
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: 'warzone2100_${{ steps.settings.outputs.WZ_BUILD_DESC }}_debug_sourcebundles'
         path: '${{ github.workspace }}\output\sentry_source_bundles'
@@ -746,7 +746,7 @@ jobs:
           echo "OUTPUTDIR=${OUTPUTDIR}" >> $GITHUB_ENV
           echo "ARCHIVEDIR=${OUTPUTDIR}" >> $GITHUB_OUTPUT
       - name: Download Archive Artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'warzone2100_win_${{ matrix.architecture }}_archive'
           path: ./dl-archive
@@ -756,7 +756,7 @@ jobs:
           unzip -o "${ZIPFILE}" -d "${OUTPUTDIR}" && rm "${ZIPFILE}"
       - name: Download Debug Symbols Artifact
         continue-on-error: true
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'warzone2100_win_${{ matrix.architecture }}_DEBUGSYMBOLS'
           path: ./dl-archive
@@ -775,7 +775,7 @@ jobs:
           fi
       - name: Download Source Bundle
         continue-on-error: true
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: 'warzone2100_win_${{ matrix.architecture }}_debug_sourcebundles'
           path: ./dl-sourcebundle
diff --git a/.github/workflows/generate_snap_stable_config.yml b/.github/workflows/generate_snap_stable_config.yml
index bf3077e1160..ff145aea2c5 100644
--- a/.github/workflows/generate_snap_stable_config.yml
+++ b/.github/workflows/generate_snap_stable_config.yml
@@ -179,7 +179,7 @@ jobs:
           echo "snapstablebuild.diff (SHA512: ${DIFF_HASH}):"
           cat "${{ github.workspace }}/diff/snapstablebuild.diff"
       - name: Upload diff artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: success() && (github.repository == 'Warzone2100/warzone2100') && (steps.commit-snap-changes.outputs.PROCESS_DEPLOYMENT == 'true')
         with:
           name: snap_stable_build_diff
@@ -202,7 +202,7 @@ jobs:
           path: snap-stable-build
           ssh-key: '${{ secrets.SNAP_STABLE_BUILD_REPO_GH_DEPLOY_KEY }}'
       - name: Fetch Snap Stable Config Changes
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: snap_stable_build_diff
           path: '${{ github.workspace }}/diff'
diff --git a/.github/workflows/publish_web_build.yml b/.github/workflows/publish_web_build.yml
index b3dac442f34..076ab920081 100644
--- a/.github/workflows/publish_web_build.yml
+++ b/.github/workflows/publish_web_build.yml
@@ -77,7 +77,7 @@ jobs:
           echo "WZ_UPLOAD_PATH=${WZ_UPLOAD_PATH}" >> $GITHUB_ENV
           echo "WZ_UPLOAD_PATH=${WZ_UPLOAD_PATH}" >> $GITHUB_OUTPUT
       - name: Download Archive Artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: '${{ inputs.artifact }}'
           path: ./dl-archive