diff -Naur -x '*.orig' -x '*.rej' 10.3-0/FreeFileSync/Source/ui/small_dlgs.cpp 10.3-2/FreeFileSync/Source/ui/small_dlgs.cpp
--- 10.3-0/FreeFileSync/Source/ui/small_dlgs.cpp	2018-08-07 05:03:34.000000000 -0400
+++ 10.3-2/FreeFileSync/Source/ui/small_dlgs.cpp	2018-08-08 19:16:54.026727623 -0400
@@ -984,7 +984,8 @@
     //setMainInstructionFont(*m_staticTextMain);
 
     m_bitmapActivation->SetBitmap(getResourceImage(L"website"));
-    m_textCtrlOfflineActivationKey->ForceUpper();
+    // Fedora 27 does not have wxWidgets 3.1.1 yet. https://github.com/wxWidgets/wxWidgets/commit/69b66e9e2e2b8e49e3816acdde079686ce9b0da1
+    //m_textCtrlOfflineActivationKey->ForceUpper();
 
     m_textCtrlLastError           ->ChangeValue(lastErrorMsg);
     m_textCtrlManualActivationUrl ->ChangeValue(manualActivationUrl);
diff -Naur -x '*.orig' -x '*.rej' 10.3-0/wx+/grid.cpp 10.3-2/wx+/grid.cpp
--- 10.3-0/wx+/grid.cpp	2018-08-07 05:03:34.000000000 -0400
+++ 10.3-2/wx+/grid.cpp	2018-08-08 19:24:56.849445102 -0400
@@ -1176,7 +1176,9 @@
             {
                 if (overlapPix != 0)
                 {
-                    const double scrollSpeed = wnd_.ToDIP(overlapPix) * mouseDragSpeedIncScrollU; //unit: [scroll units / sec]
+                    // Fedora 28 does not have wxGTK 3.1.1 yet. This probably breaks HiDPI usage
+                    //const double scrollSpeed = wnd_.ToDIP(overlapPix) * mouseDragSpeedIncScrollU; //unit: [scroll units / sec]
+                    const double scrollSpeed = overlapPix * mouseDragSpeedIncScrollU; //unit: [scroll units / sec]
                     toScroll += scrollSpeed * deltaSecs;
                 }
                 else