diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index e3094e4596..1607df3ec8 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -205,6 +205,10 @@ msgstr ""
 msgid "%q, %q, and %q must all be the same length"
 msgstr ""
 
+#: py/objint.c
+msgid "%q=%q"
+msgstr ""
+
 #: ports/espressif/bindings/espidf/__init__.c ports/espressif/esp_error.c
 #, c-format
 msgid "%s error 0x%x"
diff --git a/ports/atmel-samd/mpconfigport.mk b/ports/atmel-samd/mpconfigport.mk
index 66ebb54a6b..3ea6c44049 100644
--- a/ports/atmel-samd/mpconfigport.mk
+++ b/ports/atmel-samd/mpconfigport.mk
@@ -61,17 +61,12 @@ endif
 
 MICROPY_PY_ASYNC_AWAIT = 0
 
-# We don't have room for the fonts for terminalio for ja and ko
+# We don't have room for the fonts for terminalio for certain languages,
 # so turn off terminalio, and if it's off and displayio is on,
 # force a clean build.
 # Note that we cannot test $(CIRCUITPY_DISPLAYIO) directly with an
 # ifeq, because it's not set yet.
-ifeq ($(TRANSLATION), ja)
-CIRCUITPY_TERMINALIO = 0
-RELEASE_NEEDS_CLEAN_BUILD = $(CIRCUITPY_DISPLAYIO)
-endif
-
-ifeq ($(TRANSLATION), ko)
+ifneq (,$(filter $(TRANSLATION),ja ko ru))
 CIRCUITPY_TERMINALIO = 0
 RELEASE_NEEDS_CLEAN_BUILD = $(CIRCUITPY_DISPLAYIO)
 endif
diff --git a/ports/espressif/boards/adafruit_feather_esp32s3_tft/mpconfigboard.mk b/ports/espressif/boards/adafruit_feather_esp32s3_tft/mpconfigboard.mk
index db7ccf9337..dcbd2f9c7a 100644
--- a/ports/espressif/boards/adafruit_feather_esp32s3_tft/mpconfigboard.mk
+++ b/ports/espressif/boards/adafruit_feather_esp32s3_tft/mpconfigboard.mk
@@ -17,4 +17,4 @@ CIRCUITPY_ESP_FLASH_MODE = dio
 CIRCUITPY_ESP_FLASH_FREQ = 40m
 CIRCUITPY_ESP_FLASH_SIZE = 4MB
 
-CIRCUITPY_PS2IO = 0
+OPTIMIZATION_FLAGS = -Os
diff --git a/ports/unix/Makefile b/ports/unix/Makefile
index ae293fcb7d..c0d2bdfc63 100644
--- a/ports/unix/Makefile
+++ b/ports/unix/Makefile
@@ -37,8 +37,8 @@ INC += -I$(BUILD)
 
 # compiler settings
 CWARN = -Wall -Werror
-CWARN += -Wextra -Wno-unused-parameter -Wpointer-arith -Wdouble-promotion -Wfloat-conversion
-CFLAGS += $(INC) $(CWARN) -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT) -I$(VARIANT_DIR) $(CFLAGS_EXTRA)
+CWARN += -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wpointer-arith -Wdouble-promotion -Wfloat-conversion
+CFLAGS += $(INC) $(CWARN) -std=gnu11 -DUNIX $(CFLAGS_MOD) $(COPT) -I$(VARIANT_DIR) $(CFLAGS_EXTRA)
 
 # Debugging/Optimization
 ifdef DEBUG
diff --git a/py/objint.c b/py/objint.c
index 98178e7ffa..b44a2e3b4a 100644
--- a/py/objint.c
+++ b/py/objint.c
@@ -480,19 +480,33 @@ MP_DEFINE_CONST_FUN_OBJ_1(int_bit_length_obj, int_bit_length);
 #endif
 
 // this is a classmethod
-STATIC mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) {
+STATIC mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
     // TODO: Support signed param (assumes signed=False at the moment)
-    (void)n_args;
+
+    enum { ARG_bytes, ARG_byteorder, ARG_signed };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_bytes, MP_ARG_REQUIRED | MP_ARG_OBJ },
+        { MP_QSTR_byteorder, MP_ARG_REQUIRED | MP_ARG_OBJ },
+        { MP_QSTR_signed, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
+    };
+    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+    mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+    if (args[ARG_signed].u_bool) {
+        mp_raise_NotImplementedError_varg(MP_ERROR_TEXT("%q=%q"), MP_QSTR_signed, MP_QSTR_True);
+    }
 
     // get the buffer info
     mp_buffer_info_t bufinfo;
-    mp_get_buffer_raise(args[1], &bufinfo, MP_BUFFER_READ);
+    mp_get_buffer_raise(args[ARG_bytes].u_obj, &bufinfo, MP_BUFFER_READ);
 
     const byte *buf = (const byte *)bufinfo.buf;
     int delta = 1;
-    if (args[2] == MP_OBJ_NEW_QSTR(MP_QSTR_little)) {
+    if (args[ARG_byteorder].u_obj == MP_OBJ_NEW_QSTR(MP_QSTR_little)) {
         buf += bufinfo.len - 1;
         delta = -1;
+    } else if (args[ARG_byteorder].u_obj != MP_OBJ_NEW_QSTR(MP_QSTR_big)) {
+        mp_arg_error_invalid(MP_QSTR_byteorder);
     }
 
     mp_uint_t value = 0;
@@ -501,7 +515,7 @@ STATIC mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) {
         #if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
         if (value > (MP_SMALL_INT_MAX >> 8)) {
             // Result will overflow a small-int so construct a big-int
-            return mp_obj_int_from_bytes_impl(args[2] != MP_OBJ_NEW_QSTR(MP_QSTR_little), bufinfo.len, bufinfo.buf);
+            return mp_obj_int_from_bytes_impl(args[ARG_byteorder].u_obj != MP_OBJ_NEW_QSTR(MP_QSTR_little), bufinfo.len, bufinfo.buf);
         }
         #endif
         value = (value << 8) | *buf;
@@ -509,7 +523,7 @@ STATIC mp_obj_t int_from_bytes(size_t n_args, const mp_obj_t *args) {
     return mp_obj_new_int_from_uint(value);
 }
 
-STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(int_from_bytes_fun_obj, 3, 4, int_from_bytes);
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(int_from_bytes_fun_obj, 3, int_from_bytes);
 STATIC MP_DEFINE_CONST_CLASSMETHOD_OBJ(int_from_bytes_obj, MP_ROM_PTR(&int_from_bytes_fun_obj));
 
 STATIC mp_obj_t int_to_bytes(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {