diff --git a/CMakeLists.txt b/CMakeLists.txt
index ce5d64715f..80ac6bc9df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -587,7 +587,7 @@ if(UNIX)
 endif()
 
 if(ENABLE_SDL)
-  dolphin_find_optional_system_library(SDL2 Externals/SDL 2.26.0)
+  dolphin_find_optional_system_library(SDL2 Externals/SDL 2.30.6)
 endif()
 
 if(ENABLE_ANALYTICS)
diff --git a/Externals/SDL/CMakeLists.txt b/Externals/SDL/CMakeLists.txt
index 599caff4d4..c30d8ae979 100644
--- a/Externals/SDL/CMakeLists.txt
+++ b/Externals/SDL/CMakeLists.txt
@@ -1,13 +1,30 @@
 option(SDL2_DISABLE_SDL2MAIN "" ON)
 option(SDL2_DISABLE_INSTALL "" ON)
 option(SDL2_DISABLE_UNINSTALL "" ON)
-set(SDL_SHARED OFF)
-set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
-set(SDL_STATIC ON)
-set(SDL_STATIC_ENABLED_BY_DEFAULT ON)
-set(SDL_TEST OFF)
-set(SDL_TEST_ENABLED_BY_DEFAULT OFF)
-set(OPT_DEF_LIBC ON)
+option(SDL_SHARED "Build a shared version of the library" OFF)
+option(SDL_SHARED_ENABLED_BY_DEFAULT "" OFF)
+option(SDL_STATIC "Build a static version of the library" ON)
+option(SDL_STATIC_ENABLED_BY_DEFAULT "" ON)
+option(SDL_TEST "Build the SDL2_test library" OFF)
+option(SDL_TEST_ENABLED_BY_DEFAULT "" OFF)
+
+# SDL fails to clean up old headers after version upgrades, so do that manually
+set(EXPECTED_SDL_REVISION "SDL-release-2.30.6-0")
+if (EXISTS "${CMAKE_CURRENT_BINARY_DIR}/SDL/include/SDL2/SDL_revision.h")
+  file(READ "${CMAKE_CURRENT_BINARY_DIR}/SDL/include/SDL2/SDL_revision.h" ACTUAL_SDL_REVISION)
+  if (NOT "${ACTUAL_SDL_REVISION}" MATCHES "${EXPECTED_SDL_REVISION}")
+    message(STATUS "Found unexpected SDL2/SDL_revision.h, removing generated includes.")
+    file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/SDL/include/")
+  endif()
+endif()
+if (EXISTS "${CMAKE_CURRENT_BINARY_DIR}/SDL/include/SDL_revision.h")
+  file(READ "${CMAKE_CURRENT_BINARY_DIR}/SDL/include/SDL_revision.h" ACTUAL_SDL_REVISION)
+  if (NOT "${ACTUAL_SDL_REVISION}" MATCHES "${EXPECTED_SDL_REVISION}")
+    message(STATUS "Found unexpected SDL_revision.h, removing generated includes.")
+    file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/SDL/include/")
+  endif()
+endif()
+
 add_subdirectory(SDL)
 if (TARGET SDL2)
   dolphin_disable_warnings(SDL2)
diff --git a/Externals/SDL/SDL b/Externals/SDL/SDL
index ac13ca9ab6..ba2f78a006 160000
--- a/Externals/SDL/SDL
+++ b/Externals/SDL/SDL
@@ -1 +1 @@
-Subproject commit ac13ca9ab691e13e8eebe9684740ddcb0d716203
+Subproject commit ba2f78a0069118a6c583f1fbf1420144ffa35bad
diff --git a/Externals/SDL/SDL2.vcxproj b/Externals/SDL/SDL2.vcxproj
index 1693429f70..66aace96fc 100644
--- a/Externals/SDL/SDL2.vcxproj
+++ b/Externals/SDL/SDL2.vcxproj
@@ -130,11 +130,17 @@
     <ClInclude Include="SDL\src\hidapi\hidapi\hidapi.h" />
     <ClInclude Include="SDL\src\hidapi\SDL_hidapi_c.h" />
     <ClInclude Include="SDL\src\joystick\controller_type.h" />
+    <ClInclude Include="SDL\src\joystick\hidapi\steam\controller_constants.h" />
+    <ClInclude Include="SDL\src\joystick\hidapi\steam\controller_structs.h" />
+    <ClInclude Include="SDL\src\joystick\hidapi\SDL_hidapi_nintendo.h" />
     <ClInclude Include="SDL\src\joystick\hidapi\SDL_hidapi_rumble.h" />
     <ClInclude Include="SDL\src\joystick\hidapi\SDL_hidapijoystick_c.h" />
+    <ClInclude Include="SDL\src\joystick\steam\SDL_steamcontroller.h" />
     <ClInclude Include="SDL\src\joystick\SDL_gamecontrollerdb.h" />
     <ClInclude Include="SDL\src\joystick\SDL_joystick_c.h" />
+    <ClInclude Include="SDL\src\joystick\SDL_steam_virtual_gamepad.h" />
     <ClInclude Include="SDL\src\joystick\SDL_sysjoystick.h" />
+    <ClInclude Include="SDL\src\joystick\controller_list.h" />
     <ClInclude Include="SDL\src\joystick\usb_ids.h" />
     <ClInclude Include="SDL\src\joystick\virtual\SDL_virtualjoystick_c.h" />
     <ClInclude Include="SDL\src\joystick\windows\SDL_dinputjoystick_c.h" />
@@ -185,6 +191,13 @@
     <ClInclude Include="SDL\src\video\dummy\SDL_nullevents_c.h" />
     <ClInclude Include="SDL\src\video\dummy\SDL_nullframebuffer_c.h" />
     <ClInclude Include="SDL\src\video\dummy\SDL_nullvideo.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codec_h264std.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codec_h264std_decode.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codec_h264std_encode.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codec_h265std.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codec_h265std_decode.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codec_h265std_encode.h" />
+    <ClInclude Include="SDL\src\video\khronos\vk_video\vulkan_video_codecs_common.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vk_icd.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vk_layer.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vk_platform.h" />
@@ -198,6 +211,7 @@
     <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_ios.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_macos.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_metal.h" />
+    <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_screen.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_vi.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_wayland.h" />
     <ClInclude Include="SDL\src\video\khronos\vulkan\vulkan_win32.h" />
@@ -230,14 +244,19 @@
     <ClInclude Include="SDL\src\video\windows\SDL_windowsopengl.h" />
     <ClInclude Include="SDL\src\video\windows\SDL_windowsopengles.h" />
     <ClInclude Include="SDL\src\video\windows\SDL_windowsshape.h" />
-    <ClInclude Include="SDL\src\video\windows\SDL_windowstaskdialog.h" />
     <ClInclude Include="SDL\src\video\windows\SDL_windowsvideo.h" />
     <ClInclude Include="SDL\src\video\windows\SDL_windowsvulkan.h" />
     <ClInclude Include="SDL\src\video\windows\SDL_windowswindow.h" />
     <ClInclude Include="SDL\src\video\windows\wmmsg.h" />
-    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_sse_func.h" />
-    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_std_func.h" />
     <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_common.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_internal.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_lsx.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_lsx_func.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_sse.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_sse_func.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_std.h" />
+    <ClInclude Include="SDL\src\video\yuv2rgb\yuv_rgb_std_func.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="SDL\src\atomic\SDL_atomic.c" />
@@ -290,14 +309,17 @@
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_shield.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_stadia.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_steam.c" />
+    <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_steamdeck.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_switch.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_wii.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_xbox360.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_xbox360w.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapi_xboxone.c" />
     <ClCompile Include="SDL\src\joystick\hidapi\SDL_hidapijoystick.c" />
+    <ClCompile Include="SDL\src\joystick\steam\SDL_steamcontroller.c" />
     <ClCompile Include="SDL\src\joystick\SDL_gamecontroller.c" />
     <ClCompile Include="SDL\src\joystick\SDL_joystick.c" />
+    <ClCompile Include="SDL\src\joystick\SDL_steam_virtual_gamepad.c" />
     <ClCompile Include="SDL\src\joystick\virtual\SDL_virtualjoystick.c" />
     <ClCompile Include="SDL\src\joystick\windows\SDL_dinputjoystick.c" />
     <ClCompile Include="SDL\src\joystick\windows\SDL_rawinputjoystick.c" />
@@ -400,7 +422,9 @@
     <ClCompile Include="SDL\src\video\windows\SDL_windowsvideo.c" />
     <ClCompile Include="SDL\src\video\windows\SDL_windowsvulkan.c" />
     <ClCompile Include="SDL\src\video\windows\SDL_windowswindow.c" />
-    <ClCompile Include="SDL\src\video\yuv2rgb\yuv_rgb.c" />
+    <ClCompile Include="SDL\src\video\yuv2rgb\yuv_rgb_lsx.c" />
+    <ClCompile Include="SDL\src\video\yuv2rgb\yuv_rgb_sse.c" />
+    <ClCompile Include="SDL\src\video\yuv2rgb\yuv_rgb_std.c" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">