-LyX has been tested with Qt 4.4.x and 4.5.x. For compilation you
-need to compile against at least Qt 4.4.2. The only special point to make
-is that you must ensure that both LyX and the Qt libraries are compiled
-with the same C++ compiler.
+LyX has been tested with all Qt versions since Qt 4.2.2. For compilation
+you need to compile against at least Qt 4.2.2. The only special point to
+make is that you must ensure that both LyX and the Qt libraries are
+compiled with the same C++ compiler.