Not entirely Sure why but VS studio debug needs this to run

Author: TheForce172

cmake/toolchain-msvc.cmake

@@ -71,12 +71,12 @@ if (MSVC_RELEASE_DEBUGGING)
 	endif()
 endif()
 
-IF(MSVC_USE_RUNTIME_DLL)
+IF(MSVC_USE_RUNTIME_DLL OR FSO_BUILD_QTFRED)
 	set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<NOT:$<CONFIG:Release>>:Debug>DLL")
 	add_compile_definitions(_AFXDLL)
-ELSE(MSVC_USE_RUNTIME_DLL)
+ELSE()
 	set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<NOT:$<CONFIG:Release>>:Debug>")
-ENDIF(MSVC_USE_RUNTIME_DLL)
+ENDIF()
 
 # Debug
 set(CMAKE_C_FLAGS_DEBUG "/W4 /Gy /Zi /Od /RTC1 /Gd /Oy-")

qtfred/CMakeLists.txt

@@ -23,7 +23,12 @@ set_target_properties(qtfred PROPERTIES
         AUTORCC TRUE
         AUTOUIC FALSE)
 set_target_properties(qtfred PROPERTIES OUTPUT_NAME "qtfred_${FSO_BINARY_SUFFIX}")
-
+get_target_property(QT_PLUGINS_DIR Qt6::Core QT_PLUGINS_DIR)
+if(MSVC AND QT_PLUGINS_DIR)
+    set_property(TARGET ${PROJECT_NAME} PROPERTY
+        VS_DEBUGGER_ENVIRONMENT "QT_QPA_PLATFORM_PLUGIN_PATH=${QT_PLUGINS_DIR}"
+    )
+endif()
 target_compile_definitions(qtfred PRIVATE "$<$<CXX_COMPILER_ID:MSVC>:PDB_DEBUGGING=1>")
 
 # Undefine emit since it conflicts with our code