diff --git a/.ci/build.sh b/.ci/build.sh
index a61cdc7f9..fc7290f4a 100755
--- a/.ci/build.sh
+++ b/.ci/build.sh
@@ -316,6 +316,9 @@ then
 				pacman -S --needed --noconfirm "$pkg"
 			done
 		fi
+		
+		# Clean pacman cache when running under Jenkins to save disk space.
+		[ "$CI" = "true" ] && rm -rf /var/cache/pacman/pkg
 
 		# Generate a new freetype DLL for this architecture.
 		rm -f "$freetype_dll"
diff --git a/src/qt/evdev_keyboard.cpp b/src/qt/evdev_keyboard.cpp
index 3e66dc1ed..4aad4e377 100644
--- a/src/qt/evdev_keyboard.cpp
+++ b/src/qt/evdev_keyboard.cpp
@@ -18,14 +18,13 @@
 #include <QtDebug>
 
 static std::unordered_map<uint32_t, uint16_t> evdev_keycodes = {
-    {99,  0x54}, /* SYSRQ */
+    {184, 0x46}, /* F14 => Scroll Lock (for Apple keyboards) */
     {86,  0x56}, /* 102ND */
     {87,  0x57}, /* F11 */
     {88,  0x58}, /* F12 */
-    {117, 0x59}, /* KPEQUAL */
-    {183, 0x5d}, /* F13 */
-    {184, 0x5e}, /* F14 */
-    {185, 0x5f}, /* F15 */
+    {186, 0x5d}, /* F16 => F13 */
+    {187, 0x5e}, /* F17 => F14 */
+    {188, 0x5f}, /* F18 => F15 */
 
     /* Japanese keys. */
     {95,  0x5c}, /* KPJPCOMMA */
@@ -47,9 +46,11 @@ static std::unordered_map<uint32_t, uint16_t> evdev_keycodes = {
     {97,  0x11d}, /* RIGHTCTRL */
     {98,  0x135}, /* KPSLASH */
     {99,  0x137}, /* SYSRQ */
+    {183, 0x137}, /* F13 => SysRq (for Apple keyboards) */
     {100, 0x138}, /* RIGHTALT */
     {119, 0x145}, /* PAUSE */
     {411, 0x145}, /* BREAK */
+    {185, 0x145}, /* F15 => Pause (for Apple keyboards) */
     {102, 0x147}, /* HOME */
     {103, 0x148}, /* UP */
     {104, 0x149}, /* PAGEUP */
diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index 95b881e64..89e010702 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -1394,12 +1394,19 @@ MainWindow::keyPressEvent(QKeyEvent *event)
                 keyboard_input(1, 0x1D);
                 keyboard_input(1, 0x45);
             }
-        } else
+        } else {
 #ifdef Q_OS_MACOS
             processMacKeyboardInput(true, event);
 #else
-            keyboard_input(1, x11_keycode_to_keysym(event->nativeScanCode()));
+            auto scan = x11_keycode_to_keysym(event->nativeScanCode());
+            if (scan == 0x145) {
+                /* Special case for Pause. */
+                keyboard_input(1, scan & 0xff00);
+                scan &= 0x00ff;
+            }
+            keyboard_input(1, scan);
 #endif
+        }
     }
 
     if ((video_fullscreen > 0) && keyboard_isfsexit()) {
@@ -1446,7 +1453,13 @@ MainWindow::keyReleaseEvent(QKeyEvent *event)
 #ifdef Q_OS_MACOS
     processMacKeyboardInput(false, event);
 #else
-    keyboard_input(0, x11_keycode_to_keysym(event->nativeScanCode()));
+    auto scan = x11_keycode_to_keysym(event->nativeScanCode());
+    if (scan == 0x145) {
+        /* Special case for Pause. */
+        keyboard_input(0, scan & 0xff00);
+        scan &= 0x00ff;
+    }
+    keyboard_input(0, scan);
 #endif
 }
 
diff --git a/src/qt/xkbcommon_keyboard.cpp b/src/qt/xkbcommon_keyboard.cpp
index 1546b6faa..e3a058ed2 100644
--- a/src/qt/xkbcommon_keyboard.cpp
+++ b/src/qt/xkbcommon_keyboard.cpp
@@ -102,6 +102,7 @@ static std::unordered_map<std::string, uint16_t> xkb_keycodes = {
 
     {"NMLK", 0x45},
     {"SCLK", 0x46},
+    {"FK14", 0x46}, /* F14 => Scroll Lock (for Apple keyboards) */
     {"KP7",  0x47},
     {"KP8",  0x48},
     {"KP9",  0x49},
@@ -119,12 +120,13 @@ static std::unordered_map<std::string, uint16_t> xkb_keycodes = {
     {"LSGT", 0x56},
     {"FK11", 0x57},
     {"FK12", 0x58},
-    {"FK13", 0x5d},
-    {"FK14", 0x5e},
-    {"FK15", 0x5f},
+    {"FK16", 0x5d}, /* F16 => F13 */
+    {"FK17", 0x5e}, /* F17 => F14 */
+    {"FK18", 0x5f}, /* F18 => F15 */
 
     /* Japanese keys. */
-    {"JPCM", 0x5c}, /* evdev KPJPCOMMA */
+    {"JPCM", 0x5c}, /* Num, */
+    {"KPDC", 0x5c},
     {"HKTG", 0x70}, /* hiragana-katakana toggle */
     {"AB11", 0x73}, /* \_ and Brazilian /? */
     {"HZTG", 0x76}, /* hankaku-zenkaku toggle */
@@ -145,8 +147,11 @@ static std::unordered_map<std::string, uint16_t> xkb_keycodes = {
     {"KPDV", 0x135},
     {"PRSC", 0x137},
     {"SYRQ", 0x137},
+    {"FK13", 0x137}, /* F13 => SysRq (for Apple keyboards) */
     {"RALT", 0x138},
+    {"ALGR", 0x138},
     {"PAUS", 0x145},
+    {"FK15", 0x145}, /* F15 => Pause (for Apple keyboards) */
     {"BRK",  0x145},
     {"HOME", 0x147},
     {"UP",   0x148},