Modified the techfile to make the cifoutput style "sky130(vendor)" the default, since the prior default "sky130()" does not appear to be necessary or useful. Added an alternative fill size 8 cell with diffusion on top and bottom which acts as FOM fill.

diff --git a/VERSION b/VERSION
index 6539411..a9de706 100644
--- a/VERSION
+++ b/VERSION

@@ -1 +1 @@
-1.0.195
+1.0.196

diff --git a/sky130/custom/sky130_fd_sc_hd/gds/sky130_ef_sc_hd__fill_8.gds b/sky130/custom/sky130_fd_sc_hd/gds/sky130_ef_sc_hd__fill_8.gds
new file mode 100644
index 0000000..b581d08
--- /dev/null
+++ b/sky130/custom/sky130_fd_sc_hd/gds/sky130_ef_sc_hd__fill_8.gds
Binary files differ

diff --git a/sky130/custom/sky130_fd_sc_hd/lef/sky130_ef_sc_hd__fill_8.lef b/sky130/custom/sky130_fd_sc_hd/lef/sky130_ef_sc_hd__fill_8.lef
new file mode 100644
index 0000000..974a07d
--- /dev/null
+++ b/sky130/custom/sky130_fd_sc_hd/lef/sky130_ef_sc_hd__fill_8.lef

@@ -0,0 +1,57 @@
+# Copyright 2020 The SkyWater PDK Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+VERSION 5.5 ;
+NAMESCASESENSITIVE ON ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+MACRO sky130_ef_sc_hd__fill_8
+  CLASS CORE SPACER ;
+  SOURCE USER ;
+  ORIGIN  0.000000  0.000000 ;
+  SIZE  3.680000 BY  2.720000 ;
+  SYMMETRY X Y R90 ;
+  SITE unithd ;
+  PIN VGND
+    DIRECTION INOUT ;
+    SHAPE ABUTMENT ;
+    USE GROUND ;
+    PORT
+      LAYER li1 ;
+        RECT 0.000000 -0.085000 3.680000 0.085000 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 0.000000 -0.240000 3.680000 0.240000 ;
+    END
+  END VGND
+  PIN VPWR
+    DIRECTION INOUT ;
+    SHAPE ABUTMENT ;
+    USE POWER ;
+    PORT
+      LAYER li1 ;
+        RECT 0.000000 2.635000 3.680000 2.805000 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 0.000000 2.480000 3.680000 2.960000 ;
+    END
+  END VPWR
+  OBS
+  END
+END sky130_ef_sc_hd__fill_8
+END LIBRARY

diff --git a/sky130/custom/sky130_fd_sc_hd/verilog/sky130_ef_sc_hd__fill_8.v b/sky130/custom/sky130_fd_sc_hd/verilog/sky130_ef_sc_hd__fill_8.v
new file mode 100644
index 0000000..ebaadf4
--- /dev/null
+++ b/sky130/custom/sky130_fd_sc_hd/verilog/sky130_ef_sc_hd__fill_8.v

@@ -0,0 +1,71 @@
+/**
+ * Copyright 2020 The SkyWater PDK Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+`ifndef SKY130_EF_SC_HD__FILL_8_V
+`define SKY130_EF_SC_HD__FILL_8_V
+
+/**
+ * fill: Fill cell.
+ *
+ * Verilog wrapper for fill with size of 8 units.
+ *
+ * WARNING: This file is autogenerated, do not modify directly!
+ */
+
+`timescale 1ns / 1ps
+`default_nettype none
+
+`ifdef USE_POWER_PINS
+/*********************************************************/
+
+`celldefine
+module sky130_ef_sc_hd__fill_8 (
+    VPWR,
+    VGND,
+    VPB ,
+    VNB
+);
+
+    input VPWR;
+    input VGND;
+    input VPB ;
+    input VNB ;
+
+endmodule
+`endcelldefine
+
+/*********************************************************/
+`else // If not USE_POWER_PINS
+/*********************************************************/
+
+`celldefine
+module sky130_ef_sc_hd__fill_8 ();
+    // Voltage supply signals
+    supply1 VPWR;
+    supply0 VGND;
+    supply1 VPB ;
+    supply0 VNB ;
+
+endmodule
+`endcelldefine
+
+/*********************************************************/
+`endif // USE_POWER_PINS
+
+`default_nettype wire
+`endif  // SKY130_EF_SC_HD__FILL_8_V

diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index ba24557..8757bd4 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech

@@ -2299,7 +2299,7 @@
 # or else magic will scale below the allowed layout grid size
 #-----------------------------------------------------------------------
 
-style  sky130 variants (),(vendor)
+style  sky130 variants (vendor),()
  scalefactor 10 nanometers
  gridlimit 5