diff --git a/configure.py b/configure.py
index c91605de0..e2b1595bb 100644
--- a/configure.py
+++ b/configure.py
@@ -142,7 +142,7 @@ if args.no_asm:
 
 # Tool versions
 config.binutils_tag = "2.42-1"
-config.compilers_tag = "20231018"
+config.compilers_tag = "20240706"
 config.dtk_tag = "v0.9.2"
 config.sjiswrap_tag = "v1.1.1"
 config.wibo_tag = "0.6.11"
@@ -1129,15 +1129,15 @@ config.libs = [
     },
     {
         "lib": "MSL_C",
-        "mw_version": "GC/1.3.2",
+        "mw_version": "GC/1.3",
         "cflags": cflags_runtime,
         "host": False,
         "objects": [
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/abort_exit.c"),
-            Object(NonMatching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/alloc.c", extra_cflags=["-inline noauto"]),
+            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/alloc.c", extra_cflags=["-inline noauto"]),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/errno.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/ansi_files.c"),
-            Object(NonMatching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/ansi_fp.c", extra_cflags=["-inline noauto"]),
+            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/ansi_fp.c", extra_cflags=["-inline noauto", "-char signed"]),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/arith.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/buffer_io.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/ctype.c"),
@@ -1146,11 +1146,11 @@ config.libs = [
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/FILE_POS.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/mbstring.c", extra_cflags=["-inline noauto"]),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/mem.c"),
-            Object(NonMatching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/mem_funcs.c"),
+            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/mem_funcs.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/misc_io.c"),
-            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/printf.c"),
+            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/printf.c", extra_cflags=["-char signed"]),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/float.c"),
-            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/scanf.c"),
+            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/scanf.c", extra_cflags=["-char signed"]),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/string.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/strtoul.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/uart_console_io.c"),
@@ -1164,7 +1164,7 @@ config.libs = [
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/k_rem_pio2.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/k_sin.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/k_tan.c"),
-            Object(NonMatching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_atan.c"),
+            Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_atan.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_copysign.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_cos.c"),
             Object(Matching, "PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_floor.c"),
diff --git a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/alloc.c b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/alloc.c
index 777ba409e..70f9988db 100644
--- a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/alloc.c
+++ b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Src/alloc.c
@@ -322,21 +322,5 @@ static inline void __pool_free(__mem_pool* pool, void* ptr) {
 }
 
 void free(void* ptr) {
-    //__pool_free(get_malloc_pool(), ptr);
-
-    __mem_pool_obj* pool_obj;
-    unsigned long size;
-
-    if (ptr == 0) {
-        return;
-    }
-
-    pool_obj = (__mem_pool_obj*)get_malloc_pool();
-    size = __msize_inline(ptr);
-
-    if (size <= 68) {
-        deallocate_from_fixed_pools(pool_obj, ptr, size);
-    } else {
-        deallocate_from_var_pools(pool_obj, ptr);
-    }
+    __pool_free(get_malloc_pool(), ptr);
 }
diff --git a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/ansi_fp.c b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/ansi_fp.c
index 6fd78cd21..0dd2e01a7 100644
--- a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/ansi_fp.c
+++ b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Src/ansi_fp.c
@@ -168,8 +168,6 @@ void __timesdec(decimal* result, const decimal* x, const decimal* y) {
             accumulator += *jp * *kp;
         }
 
-        // TODO: It's reusing the result of the modulo for the division, but for a match we need to disable this
-        // optimization and do the divide separately somehow.
         *--ip = (unsigned char)(accumulator % 10);
         accumulator /= 10;
     }
diff --git a/tools/project.py b/tools/project.py
index 15795f1fd..fd39b85b7 100644
--- a/tools/project.py
+++ b/tools/project.py
@@ -1024,6 +1024,7 @@ def generate_objdiff_config(
         "GC/1.2.5": "mwcc_233_163",
         "GC/1.2.5e": "mwcc_233_163e",
         "GC/1.2.5n": "mwcc_233_163n",
+        "GC/1.3": "mwcc_242_53",
         "GC/1.3.2": "mwcc_242_81",
         "GC/1.3.2r": "mwcc_242_81r",
         "GC/2.0": "mwcc_247_92",