diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h
index 631b7dd3d..a4c386e09 100644
--- a/include/wlr/types/wlr_seat.h
+++ b/include/wlr/types/wlr_seat.h
@@ -88,6 +88,9 @@ struct wlr_pointer_grab_interface {
 	void (*axis)(struct wlr_seat_pointer_grab *grab, uint32_t time_msec,
 			enum wlr_axis_orientation orientation, double value,
 			int32_t value_discrete, enum wlr_axis_source source);
+	void (*axis_value120)(struct wlr_seat_pointer_grab *grab,
+			uint32_t time_msec, enum wlr_axis_orientation orientation,
+			double delta, int32_t delta_value120, enum wlr_axis_source source);
 	void (*frame)(struct wlr_seat_pointer_grab *grab);
 	void (*cancel)(struct wlr_seat_pointer_grab *grab);
 };
@@ -394,6 +397,15 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time_msec,
 		enum wlr_axis_orientation orientation, double value,
 		int32_t value_discrete, enum wlr_axis_source source);
 
+/**
+ * Send a high-resolution axis event to the surface with pointer focus. This
+ * function does not respect pointer grabs: you probably want
+ * `wlr_seat_pointer_notify_axis_value120()` instead.
+ */
+void wlr_seat_pointer_send_axis_value120(struct wlr_seat *wlr_seat,
+		uint32_t time_msec, enum wlr_axis_orientation orientation, double delta,
+		int32_t delta_value120, enum wlr_axis_source source);
+
 /**
  * Send a frame event to the surface with pointer focus. This function does not
  * respect pointer grabs: you probably want `wlr_seat_pointer_notify_frame()`
@@ -445,6 +457,14 @@ void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time_msec,
 		enum wlr_axis_orientation orientation, double value,
 		int32_t value_discrete, enum wlr_axis_source source);
 
+/**
+ * Notify the seat of a high-resolution axis event. Defers to any grab of the
+ * pointer.
+ */
+void wlr_seat_pointer_notify_axis_value120(struct wlr_seat *wlr_seat,
+		uint32_t time_msec, enum wlr_axis_orientation orientation, double delta,
+		int32_t delta_value120, enum wlr_axis_source source);
+
 /**
  * Notify the seat of a frame event. Frame events are sent to end a group of
  * events that logically belong together. Motion, button and axis events should
diff --git a/types/seat/wlr_seat_pointer.c b/types/seat/wlr_seat_pointer.c
index c20c52a89..c79ab2e45 100644
--- a/types/seat/wlr_seat_pointer.c
+++ b/types/seat/wlr_seat_pointer.c
@@ -36,6 +36,13 @@ static void default_pointer_axis(struct wlr_seat_pointer_grab *grab,
 		value_discrete, source);
 }
 
+static void default_pointer_axis_value120(struct wlr_seat_pointer_grab *grab,
+		uint32_t time, enum wlr_axis_orientation orientation, double delta,
+		int32_t delta_value120, enum wlr_axis_source source) {
+	wlr_seat_pointer_send_axis_value120(grab->seat, time, orientation, delta,
+		delta_value120, source);
+}
+
 static void default_pointer_frame(struct wlr_seat_pointer_grab *grab) {
 	wlr_seat_pointer_send_frame(grab->seat);
 }
@@ -50,6 +57,7 @@ const struct wlr_pointer_grab_interface default_pointer_grab_impl = {
 	.motion = default_pointer_motion,
 	.button = default_pointer_button,
 	.axis = default_pointer_axis,
+	.axis_value120 = default_pointer_axis_value120,
 	.frame = default_pointer_frame,
 	.cancel = default_pointer_cancel,
 };
@@ -316,6 +324,50 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
 	}
 }
 
+void wlr_seat_pointer_send_axis_value120(struct wlr_seat *wlr_seat,
+		uint32_t time, enum wlr_axis_orientation orientation, double delta,
+		int32_t delta_value120, enum wlr_axis_source source) {
+	struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
+	if (client == NULL) {
+		return;
+	}
+
+	bool send_source = false;
+	if (wlr_seat->pointer_state.sent_axis_source) {
+		assert(wlr_seat->pointer_state.cached_axis_source == source);
+	} else {
+		wlr_seat->pointer_state.sent_axis_source = true;
+		wlr_seat->pointer_state.cached_axis_source = source;
+		send_source = true;
+	}
+
+	struct wl_resource *resource;
+	wl_resource_for_each(resource, &client->pointers) {
+		if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
+			continue;
+		}
+
+		uint32_t version = wl_resource_get_version(resource);
+
+		if (send_source && version >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION) {
+			wl_pointer_send_axis_source(resource, source);
+		}
+		if (delta) {
+			if (delta_value120) {
+				if (version >= WL_POINTER_AXIS_VALUE120_SINCE_VERSION) {
+					wl_pointer_send_axis_value120(resource, orientation,
+						delta_value120);
+				}
+			}
+
+			wl_pointer_send_axis(resource, time, orientation,
+				wl_fixed_from_double(delta));
+		} else if (version >= WL_POINTER_AXIS_STOP_SINCE_VERSION) {
+			wl_pointer_send_axis_stop(resource, time, orientation);
+		}
+	}
+}
+
 void wlr_seat_pointer_send_frame(struct wlr_seat *wlr_seat) {
 	struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
 	if (client == NULL) {
@@ -414,6 +466,15 @@ void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
 		source);
 }
 
+void wlr_seat_pointer_notify_axis_value120(struct wlr_seat *wlr_seat,
+		uint32_t time, enum wlr_axis_orientation orientation, double delta,
+		int32_t delta_value120, enum wlr_axis_source source) {
+	clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
+	struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
+	grab->interface->axis_value120(grab, time, orientation, delta,
+		delta_value120, source);
+}
+
 void wlr_seat_pointer_notify_frame(struct wlr_seat *wlr_seat) {
 	clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
 	struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;