diff --git a/FreeCAD.changes b/FreeCAD.changes
index 59e5f0e..d279001 100644
--- a/FreeCAD.changes
+++ b/FreeCAD.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue May  8 06:33:56 UTC 2018 - adrian@suse.de
+
+- temporary disable FEM module
+  * it works fine, but requires hdf5 version 1.8 via med-tools,
+    which currently conflicts in openSUSE distro.
+
 -------------------------------------------------------------------
 Fri Apr 27 12:55:30 UTC 2018 - adrian@suse.de
 
diff --git a/FreeCAD.spec b/FreeCAD.spec
index 91a916c..579d57f 100644
--- a/FreeCAD.spec
+++ b/FreeCAD.spec
@@ -38,7 +38,7 @@ Patch2:         0001-find-openmpi2-include-files.patch
 Patch3:         fix-draft-module-with-python3.patch
 BuildRequires:  Coin-devel
 #BuildRequires:  SoQt-devel
-BuildRequires:  libmed-devel
+#BuildRequires:  libmed-devel # needed for FEM module, but requires older hdf5 lib
 # we use upstream OpenCASCADE instead of oce atm
 BuildRequires:  occt-devel
 BuildRequires:  vtk-devel
@@ -67,7 +67,6 @@ BuildRequires:  fdupes
 BuildRequires:  freeglut-devel
 BuildRequires:  gcc-fortran
 BuildRequires:  git
-BuildRequires:  hdf5-1_8-devel
 BuildRequires:  libXerces-c-devel
 BuildRequires:  pkg-config
 
@@ -197,7 +196,7 @@ cmake \
   -DFREECAD_USE_EXTERNAL_PIVY:BOOL=TRUE \
   -DBUILD_MESH_PART:BOOL=ON \
   -DBUILD_OPENSCAD:BOOL=ON \
-  -DBUILD_FEM:BOOL=ON \
+  -DBUILD_FEM:BOOL=OFF \
   -DBUILD_FEM_NETGEN:BOOL=OFF \
   -DFREECAD_USE_EXTERNAL_SMESH=OFF \
   ..
diff --git a/branch_update.patch b/branch_update.patch
index 7763336..49487fb 100644
--- a/branch_update.patch
+++ b/branch_update.patch
@@ -221,6 +221,19 @@ index 19dfdbeb4..e00cf6434 100644
  };
  
  } //namespace PartDesign
+diff --git a/src/Mod/Path/PathScripts/post/grbl_post.py b/src/Mod/Path/PathScripts/post/grbl_post.py
+index 536c2cf54..9ad099243 100644
+--- a/src/Mod/Path/PathScripts/post/grbl_post.py
++++ b/src/Mod/Path/PathScripts/post/grbl_post.py
+@@ -261,7 +261,7 @@ def parse(pathobj):
+                 if param in c.Parameters:
+                     if param == 'F':
+                         if command not in RAPID_MOVES:
+-                            outstring.append(param + format(c.Parameters['F'], '.2f'))
++                            outstring.append(param + format(c.Parameters['F'] * 60, '.2f'))
+                     elif param == 'T':
+                         outstring.append(param + str(c.Parameters['T']))
+                     else:
 diff --git a/src/Mod/Path/libarea/CMakeLists.txt b/src/Mod/Path/libarea/CMakeLists.txt
 index ef95c29d3..087c911dd 100644
 --- a/src/Mod/Path/libarea/CMakeLists.txt