diff --git a/Makefile b/Makefile
index cbd8ce6..5ec6186 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ TOP = chip_top
 
 PDK_ROOT ?= $(MAKEFILE_DIR)/gf180mcu
 PDK ?= gf180mcuD
-PDK_COMMIT ?= 140b0494c6665b10ce9353cb1c2ef5bcc18e7d66
+PDK_COMMIT ?= f6eeac7dad085ffcc829ccfd721f7b4ce39edcf7
 
 # Available SCL libraries:
 # gf180mcu_as_sc_mcu7t3v3
@@ -302,22 +302,19 @@ STA_NETLIST ?= $(MAKEFILE_DIR)/librelane/runs/$(STA_RUN)/51-openroad-fillinserti
 # STA_SDF below for why we preprocess it.
 STA_SDF_RAW ?= $(MAKEFILE_DIR)/librelane/runs/$(STA_RUN)/54-openroad-stapostpnr/$(STA_CORNER)/chip_top__$(STA_CORNER).sdf
 # Icarus-friendly SDF produced from STA_SDF_RAW by scripts/sdf_fix_for_icarus.py.
-# Icarus 13's SDF parser has several specific gaps that make the raw file fatal
-# or too noisy to use directly:
+# Icarus 13's SDF parser has three specific gaps that make the raw file fatal:
 #   1. (VOLTAGE max::min) / (TEMPERATURE max::min) header triplets have an
 #      empty typ slot. Icarus aborts with "Chosen value not defined".
-#   2. TIMINGCHECK sections are parsed but not implemented by Icarus 13, so
-#      keeping them only floods the log with unsupported-check warnings.
-#   3. INTERCONNECT entries that reference IO pad / SRAM instances with
+#   2. INTERCONNECT entries that reference IO pad / SRAM instances with
 #      escaped names (e.g. `analog\[1\]\.pad.ASIG5V`) crash vvp with a NULL
 #      handle in vpi_scan — Icarus's path splitter doesn't honour SDF v3.0
 #      backslash escapes inside INTERCONNECT scopes.
-#   4. CELL blocks for flattened instance names with escaped dots/brackets hit
+#   3. CELL blocks for flattened instance names with escaped dots/brackets hit
 #      the same path-splitting limitation and cannot be annotated by Icarus.
-# The preprocessor fixes the triplets, strips unsupported TIMINGCHECK blocks,
-# and strips unannotatable INTERCONNECT entries plus CELL blocks whose flattened
-# instance names contain escaped dots or brackets. Flat std-cell IOPATHs and
-# conditional delays are left untouched.
+# The preprocessor fixes the triplets and strips unannotatable INTERCONNECT
+# entries plus CELL blocks whose flattened instance names contain escaped dots
+# or brackets. Flat std-cell IOPATHs, TIMINGCHECKs, and conditional delays
+# are left untouched.
 STA_SDF ?= $(MAKEFILE_DIR)/cocotb/sdf/$(STA_RUN)/chip_top__$(STA_CORNER).icarus.sdf
 
 $(STA_SDF): $(STA_SDF_RAW) $(MAKEFILE_DIR)/scripts/sdf_fix_for_icarus.py
@@ -326,7 +323,7 @@ $(STA_SDF): $(STA_SDF_RAW) $(MAKEFILE_DIR)/scripts/sdf_fix_for_icarus.py
 sim-gl-sta: $(STA_SDF) ## Run timed STA gate-level simulation with SDF, reset smoke test only
 	cd cocotb; LD_LIBRARY_PATH="" SIM=icarus GL=1 TIMING=1 \
 	WAVES=0 \
-	FORCE_REBUILD=$${FORCE_REBUILD:-1} \
+	FORCE_REBUILD=${FORCE_REBUILD} \
 	COCOTB_TEST_FILTER=test_reset_and_spi_ready \
 	GL_NETLIST=$(STA_NETLIST) \
 	SDF_FILE=$(STA_SDF) \
@@ -339,17 +336,17 @@ sim-gl-sta-parallel: $(STA_SDF) ## Run all 4 gestures in parallel with timed STA
 	@echo "Launching 4 parallel STA GLS classify runs (gestures 0-3, Icarus + SDF) …"
 	@set -e ; for g in 0 1 2 3 ; do \
 		LD_LIBRARY_PATH="" SIM=icarus GL=1 TIMING=1 \
-		WAVES=0 \
-		FORCE_REBUILD=$${FORCE_REBUILD:-1} \
-		PDK_ROOT=${PDK_ROOT} PDK=${PDK} SLOT=${SLOT} \
-		GL_NETLIST=$(STA_NETLIST) \
-		SDF_FILE=$(STA_SDF) \
-		GESTURE_INDICES=$$g \
-		COCOTB_TEST_FILTER=test_classify_all_gestures \
-		SIM_BUILD=$(MAKEFILE_DIR)/cocotb/sim_build_sta_gl_g$$g \
-		RESULTS_XML=$(MAKEFILE_DIR)/logs/results_sta_gl_g$$g.xml \
-		python3 $(MAKEFILE_DIR)/cocotb/chip_top_tb.py \
-		> $(MAKEFILE_DIR)/logs/sta_gls_gesture_$$g.log 2>&1 & \
+		  WAVES=0 \
+		  FORCE_REBUILD=$${FORCE_REBUILD:-0} \
+		  PDK_ROOT=${PDK_ROOT} PDK=${PDK} SLOT=${SLOT} \
+		  GL_NETLIST=$(STA_NETLIST) \
+		  SDF_FILE=$(STA_SDF) \
+		  GESTURE_INDICES=$$g \
+		  COCOTB_TEST_FILTER=test_classify_all_gestures \
+		  SIM_BUILD=$(MAKEFILE_DIR)/cocotb/sim_build_sta_gl_g$$g \
+		  RESULTS_XML=$(MAKEFILE_DIR)/logs/results_sta_gl_g$$g.xml \
+		  python3 $(MAKEFILE_DIR)/cocotb/chip_top_tb.py \
+		  > $(MAKEFILE_DIR)/logs/sta_gls_gesture_$$g.log 2>&1 & \
 		echo "  PID $$! → gesture $$g, log: logs/sta_gls_gesture_$$g.log" ; \
 	done ; \
 	wait
diff --git a/librelane/config.yaml b/librelane/config.yaml
index 72d55a9..5bd8f50 100644
--- a/librelane/config.yaml
+++ b/librelane/config.yaml
@@ -169,11 +169,11 @@ LVS_IGNORE_CELLS:
     - gf180mcu_fd_io__fill10
     - gf180mcu_fd_io__fillnc
 
-DESIGN_REPAIR_MAX_SLEW_PCT: 30          # default: 20 %
+DESIGN_REPAIR_MAX_SLEW_PCT: 37          # default: 20 %
 
 DESIGN_REPAIR_MAX_CAP_PCT: 50           # default: 20 %
 
-GRT_DESIGN_REPAIR_MAX_SLEW_PCT: 20      # default: 10 %0
+GRT_DESIGN_REPAIR_MAX_SLEW_PCT: 27      # default: 10 %0
 
 GRT_DESIGN_REPAIR_MAX_CAP_PCT: 30       # default: 10 %