diff --git a/.github/workflows/cmake_linux.yml b/.github/workflows/cmake_linux.yml
index 12cb21303..04238ece0 100644
--- a/.github/workflows/cmake_linux.yml
+++ b/.github/workflows/cmake_linux.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_linux.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_linux.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -115,7 +115,7 @@ jobs:
           cmake --install build
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: '86Box${{ matrix.ui.slug }}${{ matrix.dynarec.slug }}${{ matrix.build.slug }}-UbuntuJammy-x86_64-gha${{ github.run_number }}'
           path: build/artifacts/**
diff --git a/.github/workflows/cmake_macos.yml b/.github/workflows/cmake_macos.yml
index e51c652a4..5a9f31a01 100644
--- a/.github/workflows/cmake_macos.yml
+++ b/.github/workflows/cmake_macos.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_macos.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_macos.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -120,7 +120,7 @@ jobs:
           cmake --install build
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: '86Box${{ matrix.ui.slug }}${{ matrix.dynarec.slug }}${{ matrix.build.slug }}-macOS-x86_64-gha${{ github.run_number }}'
           path: build/artifacts/**
diff --git a/.github/workflows/cmake_windows_llvm.yml b/.github/workflows/cmake_windows_llvm.yml
index a49f9488a..93f4db241 100644
--- a/.github/workflows/cmake_windows_llvm.yml
+++ b/.github/workflows/cmake_windows_llvm.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_windows_llvm.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_windows_llvm.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -157,7 +157,7 @@ jobs:
           cmake --install build
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: '86Box${{ matrix.ui.slug }}${{ matrix.dynarec.slug }}${{ matrix.build.slug }}-Windows-LLVM-${{ matrix.target.name }}-gha${{ github.run_number }}'
           path: build/artifacts/**
diff --git a/.github/workflows/cmake_windows_msys2.yml b/.github/workflows/cmake_windows_msys2.yml
index 0ed29f0b7..d3f679a78 100644
--- a/.github/workflows/cmake_windows_msys2.yml
+++ b/.github/workflows/cmake_windows_msys2.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_windows_msys2.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/cmake.yml
+      - .github/workflows/cmake_windows_msys2.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -138,7 +138,7 @@ jobs:
         run: cmake --install build
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: '86Box${{ matrix.ui.slug }}${{ matrix.dynarec.slug }}${{ matrix.build.slug }}-Windows-${{ matrix.environment.msystem }}-gha${{ github.run_number }}'
           path: build/artifacts/**
diff --git a/.github/workflows/codeql_linux.yml b/.github/workflows/codeql_linux.yml
index d92d11767..73ccfb214 100644
--- a/.github/workflows/codeql_linux.yml
+++ b/.github/workflows/codeql_linux.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/codeql.yml
+      - .github/workflows/codeql_linux.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/codeql.yml
+      - .github/workflows/codeql_linux.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -89,7 +89,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@v3
         with:
           languages: ${{ matrix.language }}
           config-file: ./.github/codeql/codeql-config.yml
@@ -106,6 +106,6 @@ jobs:
         run: cmake --build build
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@v3
         with:
           category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/codeql_macos.yml b/.github/workflows/codeql_macos.yml
index cef8c4828..6d2c3861f 100644
--- a/.github/workflows/codeql_macos.yml
+++ b/.github/workflows/codeql_macos.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/codeql.yml
+      - .github/workflows/codeql_macos.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/codeql.yml
+      - .github/workflows/codeql_macos.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -82,7 +82,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@v3
         with:
           languages: ${{ matrix.language }}
           config-file: ./.github/codeql/codeql-config.yml
@@ -102,6 +102,6 @@ jobs:
         run: cmake --build build
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@v3
         with:
           category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/codeql_windows_msys2.yml b/.github/workflows/codeql_windows_msys2.yml
index da368cd68..2b468f996 100644
--- a/.github/workflows/codeql_windows_msys2.yml
+++ b/.github/workflows/codeql_windows_msys2.yml
@@ -8,7 +8,7 @@ on:
       - cmake/**
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
-      - .github/workflows/codeql.yml
+      - .github/workflows/codeql_windows_msys2.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -19,7 +19,7 @@ on:
       - "**/CMakeLists.txt"
       - "CMakePresets.json"
       - .github/workflows/**
-      - .github/workflows/codeql.yml
+      - .github/workflows/codeql_windows_msys2.yml
       - vcpkg.json
       - "!**/Makefile*"
 
@@ -114,7 +114,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@v3
         with:
           languages: ${{ matrix.language }}
           config-file: ./.github/codeql/codeql-config.yml
@@ -133,6 +133,6 @@ jobs:
 
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@v3
         with:
           category: "/language:${{matrix.language}}"
diff --git a/src/sound/snd_sb.c b/src/sound/snd_sb.c
index 9dc7724a4..80642adbe 100644
--- a/src/sound/snd_sb.c
+++ b/src/sound/snd_sb.c
@@ -1292,6 +1292,7 @@ sb_ct1745_mixer_read(uint16_t addr, void *priv)
                 break;
 
             case 0x82:
+                ; /* Empty statement to make compilers happy about the following variable declaration. */
                 /* The Interrupt status register, addressed as register 82h on the Mixer register map,
                    is used by the ISR to determine whether the interrupt is meant for it or for some
                    other ISR, in which case it should chain to the previous routine. */