diff --git a/.github/workflows/continuous-build-linux.yml b/.github/workflows/continuous-build-linux.yml
index 39de640b9..712e8c5b6 100644
--- a/.github/workflows/continuous-build-linux.yml
+++ b/.github/workflows/continuous-build-linux.yml
@@ -95,7 +95,7 @@ jobs:
         run: git config --global --add safe.directory /__w/btop/btop
 
       - name: Checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -121,7 +121,7 @@ jobs:
           cp bin/btop .artifacts/$FILENAME
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: btop-${{ matrix.toolchain }}
           path: '.artifacts/**'
diff --git a/.github/workflows/continuous-build-macos.yml b/.github/workflows/continuous-build-macos.yml
index c8915dd7c..6245e7e95 100644
--- a/.github/workflows/continuous-build-macos.yml
+++ b/.github/workflows/continuous-build-macos.yml
@@ -28,33 +28,37 @@ on:
       - '.github/workflows/continuous-build-macos.yml'
 
 jobs:
-  build-macos11:
-    runs-on: macos-11
+  build-macos12:
+    runs-on: macos-12
     steps:
-      - uses: actions/checkout@v3
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: latest-stable
+
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
       - name: Compile
         run: |
-          make CXX=g++-11 ARCH=x86_64 STATIC=true STRIP=true
+          make CXX=g++-12 ARCH=x86_64 STATIC=true STRIP=true
           GIT_HASH=$(git rev-parse --short "$GITHUB_SHA")
-          mv bin/btop bin/btop-x86_64-BigSur-$GIT_HASH
+          mv bin/btop bin/btop-x86_64-Monterey-$GIT_HASH
           ls -alh bin
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          name: btop-x86_64-macos11-BigSur
+          name: btop-x86_64-macos12-Monterey
           path: 'bin/*'
 
-  build-macos12:
-    runs-on: macos-12
+  build-macos13:
+    runs-on: macos-13
     steps:
       - uses: maxim-lobanov/setup-xcode@v1
         with:
           xcode-version: latest-stable
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -62,10 +66,10 @@ jobs:
         run: |
           make CXX=g++-12 ARCH=x86_64 STATIC=true STRIP=true
           GIT_HASH=$(git rev-parse --short "$GITHUB_SHA")
-          mv bin/btop bin/btop-x86_64-Monterey-$GIT_HASH
+          mv bin/btop bin/btop-x86_64-Ventura-$GIT_HASH
           ls -alh bin
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          name: btop-x86_64-macos12-Monterey
+          name: btop-x86_64-macos13-Ventura
           path: 'bin/*'
diff --git a/.github/workflows/continuous-build-openbsd.yml b/.github/workflows/continuous-build-openbsd.yml
index 6925ebbbf..84d631f25 100644
--- a/.github/workflows/continuous-build-openbsd.yml
+++ b/.github/workflows/continuous-build-openbsd.yml
@@ -50,7 +50,7 @@ jobs:
             mv bin/btop bin/btop-GCC11-"$GIT_HASH"
             ls -alh bin
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: btop-x86_64-openbsd-7.4
           path: 'bin/*'
diff --git a/.github/workflows/test-snap-can-build.yml b/.github/workflows/test-snap-can-build.yml
index 6df8e4708..a59b58d09 100644
--- a/.github/workflows/test-snap-can-build.yml
+++ b/.github/workflows/test-snap-can-build.yml
@@ -4,7 +4,7 @@ on:
   push:
    branches: [ main ]
    tags-ignore:
-      - '*.*'     
+      - '*.*'
    paths:
       - 'src/**'
       - '!src/osx/**'
@@ -21,16 +21,16 @@ on:
       - 'include/**'
       - 'Makefile'
       - '.github/workflows/test-snap-can-build.yml'
- 
+
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         node-version: [20.x]
-        
+
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: snapcore/action-build@v1
         id: build
diff --git a/src/btop_draw.cpp b/src/btop_draw.cpp
index 0d5842a09..ba29d83f4 100644
--- a/src/btop_draw.cpp
+++ b/src/btop_draw.cpp
@@ -1162,7 +1162,7 @@ namespace Mem {
 						if (not Config::getS("io_graph_speeds").empty()) {
 							auto split = ssplit(Config::getS("io_graph_speeds"));
 							for (const auto& entry : split) {
-								auto vals = ssplit(entry);
+								auto vals = ssplit(entry, ':');
 								if (vals.size() == 2 and mem.disks.contains(vals.at(0)) and isint(vals.at(1)))
 									try {
 										custom_speeds[vals.at(0)] = std::stoi(vals.at(1));
diff --git a/src/freebsd/btop_collect.cpp b/src/freebsd/btop_collect.cpp
index b4034c776..29e54bf2b 100644
--- a/src/freebsd/btop_collect.cpp
+++ b/src/freebsd/btop_collect.cpp
@@ -771,8 +771,13 @@ namespace Mem {
 				disk.total = vfs.f_blocks * vfs.f_frsize;
 				disk.free = vfs.f_bfree * vfs.f_frsize;
 				disk.used = disk.total - disk.free;
-				disk.used_percent = round((double)disk.used * 100 / disk.total);
-				disk.free_percent = 100 - disk.used_percent;
+				if (disk.total != 0) {
+					disk.used_percent = round((double)disk.used * 100 / disk.total);
+					disk.free_percent = 100 - disk.used_percent;
+				} else {
+					disk.used_percent = 0;
+					disk.free_percent = 0;
+				}
 			}
 
 			//? Setup disks order in UI and add swap if enabled
diff --git a/src/linux/btop_collect.cpp b/src/linux/btop_collect.cpp
index c08534a02..462ed77bd 100644
--- a/src/linux/btop_collect.cpp
+++ b/src/linux/btop_collect.cpp
@@ -1936,8 +1936,13 @@ namespace Mem {
 						disk.total = vfs.f_blocks * vfs.f_frsize;
 						disk.free = (free_priv ? vfs.f_bfree : vfs.f_bavail) * vfs.f_frsize;
 						disk.used = disk.total - disk.free;
-						disk.used_percent = round((double)disk.used * 100 / disk.total);
-						disk.free_percent = 100 - disk.used_percent;
+						if (disk.total != 0) {
+							disk.used_percent = round((double)disk.used * 100 / disk.total);
+							disk.free_percent = 100 - disk.used_percent;
+						} else {
+							disk.used_percent = 0;
+							disk.free_percent = 0;
+						}
 						return pair{disk, -1};
 					});
 					++it;
diff --git a/src/openbsd/btop_collect.cpp b/src/openbsd/btop_collect.cpp
index a8c395e35..480b83465 100644
--- a/src/openbsd/btop_collect.cpp
+++ b/src/openbsd/btop_collect.cpp
@@ -723,8 +723,13 @@ namespace Mem {
 				disk.total = vfs.f_blocks * vfs.f_frsize;
 				disk.free = vfs.f_bfree * vfs.f_frsize;
 				disk.used = disk.total - disk.free;
-				disk.used_percent = round((double)disk.used * 100 / disk.total);
-				disk.free_percent = 100 - disk.used_percent;
+				if (disk.total != 0) {
+					disk.used_percent = round((double)disk.used * 100 / disk.total);
+					disk.free_percent = 100 - disk.used_percent;
+				} else {
+					disk.used_percent = 0;
+					disk.free_percent = 0;
+				}
 			}
 
 			//? Setup disks order in UI and add swap if enabled
diff --git a/src/osx/btop_collect.cpp b/src/osx/btop_collect.cpp
index 8c6570506..4d54e328e 100644
--- a/src/osx/btop_collect.cpp
+++ b/src/osx/btop_collect.cpp
@@ -795,8 +795,13 @@ namespace Mem {
 				disk.total = vfs.f_blocks * vfs.f_frsize;
 				disk.free = vfs.f_bfree * vfs.f_frsize;
 				disk.used = disk.total - disk.free;
-				disk.used_percent = round((double)disk.used * 100 / disk.total);
-				disk.free_percent = 100 - disk.used_percent;
+				if (disk.total != 0) {
+					disk.used_percent = round((double)disk.used * 100 / disk.total);
+					disk.free_percent = 100 - disk.used_percent;
+				} else {
+					disk.used_percent = 0;
+					disk.free_percent = 0;
+				}
 			}
 
 			//? Setup disks order in UI and add swap if enabled