diff --git a/libgambatte/libretro-common/include/libretro.h b/libgambatte/libretro-common/include/libretro.h
index a918461..2887e5e 100644
--- a/libgambatte/libretro-common/include/libretro.h
+++ b/libgambatte/libretro-common/include/libretro.h
@@ -283,6 +283,9 @@ enum retro_language
    RETRO_LANGUAGE_HEBREW              = 21,
    RETRO_LANGUAGE_ASTURIAN            = 22,
    RETRO_LANGUAGE_FINNISH             = 23,
+   RETRO_LANGUAGE_INDONESIAN          = 24,
+   RETRO_LANGUAGE_SWEDISH             = 25,
+   RETRO_LANGUAGE_UKRAINIAN           = 26,
    RETRO_LANGUAGE_LAST,
 
    /* Ensure sizeof(enum) == sizeof(int) */
@@ -1747,6 +1750,12 @@ enum retro_mod
                                             * to test whether the callback is supported.
                                             */
 
+#define RETRO_ENVIRONMENT_GET_THROTTLE_STATE (71 | RETRO_ENVIRONMENT_EXPERIMENTAL)
+                                           /* struct retro_throttle_state * --
+                                            * Allows an implementation to get details on the actual rate
+                                            * the frontend is attempting to call retro_run().
+                                            */
+
 /* VFS functionality */
 
 /* File paths:
@@ -3455,6 +3464,10 @@ struct retro_core_option_definition
    const char *default_value;
 };
 
+#ifdef __PS3__
+#undef local
+#endif
+
 struct retro_core_options_intl
 {
    /* Pointer to an array of retro_core_option_definition structs
@@ -3692,6 +3705,43 @@ struct retro_fastforwarding_override
    bool inhibit_toggle;
 };
 
+/* During normal operation. Rate will be equal to the core's internal FPS. */
+#define RETRO_THROTTLE_NONE              0
+
+/* While paused or stepping single frames. Rate will be 0. */
+#define RETRO_THROTTLE_FRAME_STEPPING    1
+
+/* During fast forwarding.
+ * Rate will be 0 if not specifically limited to a maximum speed. */
+#define RETRO_THROTTLE_FAST_FORWARD      2
+
+/* During slow motion. Rate will be less than the core's internal FPS. */
+#define RETRO_THROTTLE_SLOW_MOTION       3
+
+/* While rewinding recorded save states. Rate can vary depending on the rewind
+ * speed or be 0 if the frontend is not aiming for a specific rate. */
+#define RETRO_THROTTLE_REWINDING         4
+
+/* While vsync is active in the video driver and the target refresh rate is
+ * lower than the core's internal FPS. Rate is the target refresh rate. */
+#define RETRO_THROTTLE_VSYNC             5
+
+/* When the frontend does not throttle in any way. Rate will be 0.
+ * An example could be if no vsync or audio output is active. */
+#define RETRO_THROTTLE_UNBLOCKED         6
+
+struct retro_throttle_state
+{
+   /* The current throttling mode. Should be one of the values above. */
+   unsigned mode;
+
+   /* How many times per second the frontend aims to call retro_run.
+    * Depending on the mode, it can be 0 if there is no known fixed rate.
+    * This won't be accurate if the total processing time of the core and
+    * the frontend is longer than what is available for one frame. */
+   float rate;
+};
+
 /* Callbacks */
 
 /* Environment callback. Gives implementations a way of performing
diff --git a/libgambatte/libretro/libretro_core_options.h b/libgambatte/libretro/libretro_core_options.h
index 82fe75e..9903d24 100644
--- a/libgambatte/libretro/libretro_core_options.h
+++ b/libgambatte/libretro/libretro_core_options.h
@@ -1013,6 +1013,9 @@ struct retro_core_options_v2 *options_intl[RETRO_LANGUAGE_LAST] = {
    &options_he,    /* RETRO_LANGUAGE_HEBREW */
    &options_ast,   /* RETRO_LANGUAGE_ASTURIAN */
    &options_fi,    /* RETRO_LANGUAGE_FINNISH */
+   &options_id,    /* RETRO_LANGUAGE_INDONESIAN */
+   &options_sv,    /* RETRO_LANGUAGE_SWEDISH */
+   &options_uk,    /* RETRO_LANGUAGE_UKRAINIAN */
 };
 #endif