diff --git a/wlroots/include/pointer-constraints-unstable-v1-protocol.h b/wlroots/include/pointer-constraints-unstable-v1-protocol.h
index cd12cf17..616a73d6 100644
--- a/wlroots/include/pointer-constraints-unstable-v1-protocol.h
+++ b/wlroots/include/pointer-constraints-unstable-v1-protocol.h
@@ -1,4 +1,4 @@
-/* Generated by wayland-scanner 1.22.0 */
+/* Generated by wayland-scanner 1.23.0 */
 
 #ifndef POINTER_CONSTRAINTS_UNSTABLE_V1_SERVER_PROTOCOL_H
 #define POINTER_CONSTRAINTS_UNSTABLE_V1_SERVER_PROTOCOL_H
@@ -241,6 +241,22 @@ enum zwp_pointer_constraints_v1_error {
 	 */
 	ZWP_POINTER_CONSTRAINTS_V1_ERROR_ALREADY_CONSTRAINED = 1,
 };
+/**
+ * @ingroup iface_zwp_pointer_constraints_v1
+ * Validate a zwp_pointer_constraints_v1 error value.
+ *
+ * @return true on success, false on error.
+ * @ref zwp_pointer_constraints_v1_error
+ */
+static inline bool
+zwp_pointer_constraints_v1_error_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case ZWP_POINTER_CONSTRAINTS_V1_ERROR_ALREADY_CONSTRAINED:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* ZWP_POINTER_CONSTRAINTS_V1_ERROR_ENUM */
 
 #ifndef ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ENUM
@@ -273,6 +289,24 @@ enum zwp_pointer_constraints_v1_lifetime {
 	 */
 	ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT = 2,
 };
+/**
+ * @ingroup iface_zwp_pointer_constraints_v1
+ * Validate a zwp_pointer_constraints_v1 lifetime value.
+ *
+ * @return true on success, false on error.
+ * @ref zwp_pointer_constraints_v1_lifetime
+ */
+static inline bool
+zwp_pointer_constraints_v1_lifetime_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT:
+		return version >= 1;
+	case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ENUM */
 
 /**
diff --git a/wlroots/include/xdg-shell-protocol.h b/wlroots/include/xdg-shell-protocol.h
index 184572b5..43490333 100644
--- a/wlroots/include/xdg-shell-protocol.h
+++ b/wlroots/include/xdg-shell-protocol.h
@@ -1,4 +1,4 @@
-/* Generated by wayland-scanner 1.22.0 */
+/* Generated by wayland-scanner 1.23.0 */
 
 #ifndef XDG_SHELL_SERVER_PROTOCOL_H
 #define XDG_SHELL_SERVER_PROTOCOL_H
@@ -260,6 +260,10 @@ extern const struct wl_interface xdg_surface_interface;
  * id, and well as trigger user interactive operations such as interactive
  * resize and move.
  *
+ * A xdg_toplevel by default is responsible for providing the full intended
+ * visual representation of the toplevel, which depending on the window
+ * state, may mean things like a title bar, window controls and drop shadow.
+ *
  * Unmapping an xdg_toplevel means that the surface cannot be shown
  * by the compositor until it is explicitly mapped again.
  * All active operations (e.g., move, resize) are canceled and all
@@ -283,6 +287,10 @@ extern const struct wl_interface xdg_surface_interface;
  * id, and well as trigger user interactive operations such as interactive
  * resize and move.
  *
+ * A xdg_toplevel by default is responsible for providing the full intended
+ * visual representation of the toplevel, which depending on the window
+ * state, may mean things like a title bar, window controls and drop shadow.
+ *
  * Unmapping an xdg_toplevel means that the surface cannot be shown
  * by the compositor until it is explicitly mapped again.
  * All active operations (e.g., move, resize) are canceled and all
@@ -393,6 +401,34 @@ enum xdg_wm_base_error {
 	 */
 	XDG_WM_BASE_ERROR_UNRESPONSIVE = 6,
 };
+/**
+ * @ingroup iface_xdg_wm_base
+ * Validate a xdg_wm_base error value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_wm_base_error
+ */
+static inline bool
+xdg_wm_base_error_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_WM_BASE_ERROR_ROLE:
+		return version >= 1;
+	case XDG_WM_BASE_ERROR_DEFUNCT_SURFACES:
+		return version >= 1;
+	case XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP:
+		return version >= 1;
+	case XDG_WM_BASE_ERROR_INVALID_POPUP_PARENT:
+		return version >= 1;
+	case XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE:
+		return version >= 1;
+	case XDG_WM_BASE_ERROR_INVALID_POSITIONER:
+		return version >= 1;
+	case XDG_WM_BASE_ERROR_UNRESPONSIVE:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_WM_BASE_ERROR_ENUM */
 
 /**
@@ -500,6 +536,22 @@ enum xdg_positioner_error {
 	 */
 	XDG_POSITIONER_ERROR_INVALID_INPUT = 0,
 };
+/**
+ * @ingroup iface_xdg_positioner
+ * Validate a xdg_positioner error value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_positioner_error
+ */
+static inline bool
+xdg_positioner_error_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_POSITIONER_ERROR_INVALID_INPUT:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_POSITIONER_ERROR_ENUM */
 
 #ifndef XDG_POSITIONER_ANCHOR_ENUM
@@ -515,6 +567,38 @@ enum xdg_positioner_anchor {
 	XDG_POSITIONER_ANCHOR_TOP_RIGHT = 7,
 	XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT = 8,
 };
+/**
+ * @ingroup iface_xdg_positioner
+ * Validate a xdg_positioner anchor value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_positioner_anchor
+ */
+static inline bool
+xdg_positioner_anchor_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_POSITIONER_ANCHOR_NONE:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_TOP:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_BOTTOM:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_LEFT:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_RIGHT:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_TOP_LEFT:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_TOP_RIGHT:
+		return version >= 1;
+	case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_POSITIONER_ANCHOR_ENUM */
 
 #ifndef XDG_POSITIONER_GRAVITY_ENUM
@@ -530,6 +614,38 @@ enum xdg_positioner_gravity {
 	XDG_POSITIONER_GRAVITY_TOP_RIGHT = 7,
 	XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT = 8,
 };
+/**
+ * @ingroup iface_xdg_positioner
+ * Validate a xdg_positioner gravity value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_positioner_gravity
+ */
+static inline bool
+xdg_positioner_gravity_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_POSITIONER_GRAVITY_NONE:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_TOP:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_BOTTOM:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_LEFT:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_RIGHT:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_TOP_LEFT:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_TOP_RIGHT:
+		return version >= 1;
+	case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_POSITIONER_GRAVITY_ENUM */
 
 #ifndef XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_ENUM
@@ -638,6 +754,34 @@ enum xdg_positioner_constraint_adjustment {
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y = 32,
 };
+/**
+ * @ingroup iface_xdg_positioner
+ * Validate a xdg_positioner constraint_adjustment value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_positioner_constraint_adjustment
+ */
+static inline bool
+xdg_positioner_constraint_adjustment_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE:
+		return version >= 1;
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X:
+		return version >= 1;
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y:
+		return version >= 1;
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_X:
+		return version >= 1;
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y:
+		return version >= 1;
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_X:
+		return version >= 1;
+	case XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_ENUM */
 
 /**
@@ -889,6 +1033,32 @@ enum xdg_surface_error {
 	 */
 	XDG_SURFACE_ERROR_DEFUNCT_ROLE_OBJECT = 6,
 };
+/**
+ * @ingroup iface_xdg_surface
+ * Validate a xdg_surface error value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_surface_error
+ */
+static inline bool
+xdg_surface_error_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_SURFACE_ERROR_NOT_CONSTRUCTED:
+		return version >= 1;
+	case XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED:
+		return version >= 1;
+	case XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER:
+		return version >= 1;
+	case XDG_SURFACE_ERROR_INVALID_SERIAL:
+		return version >= 1;
+	case XDG_SURFACE_ERROR_INVALID_SIZE:
+		return version >= 1;
+	case XDG_SURFACE_ERROR_DEFUNCT_ROLE_OBJECT:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_SURFACE_ERROR_ENUM */
 
 /**
@@ -1086,6 +1256,26 @@ enum xdg_toplevel_error {
 	 */
 	XDG_TOPLEVEL_ERROR_INVALID_SIZE = 2,
 };
+/**
+ * @ingroup iface_xdg_toplevel
+ * Validate a xdg_toplevel error value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_toplevel_error
+ */
+static inline bool
+xdg_toplevel_error_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_TOPLEVEL_ERROR_INVALID_RESIZE_EDGE:
+		return version >= 1;
+	case XDG_TOPLEVEL_ERROR_INVALID_PARENT:
+		return version >= 1;
+	case XDG_TOPLEVEL_ERROR_INVALID_SIZE:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_TOPLEVEL_ERROR_ENUM */
 
 #ifndef XDG_TOPLEVEL_RESIZE_EDGE_ENUM
@@ -1108,6 +1298,38 @@ enum xdg_toplevel_resize_edge {
 	XDG_TOPLEVEL_RESIZE_EDGE_TOP_RIGHT = 9,
 	XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_RIGHT = 10,
 };
+/**
+ * @ingroup iface_xdg_toplevel
+ * Validate a xdg_toplevel resize_edge value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_toplevel_resize_edge
+ */
+static inline bool
+xdg_toplevel_resize_edge_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_TOPLEVEL_RESIZE_EDGE_NONE:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_TOP:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_LEFT:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_TOP_LEFT:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_LEFT:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_RIGHT:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_TOP_RIGHT:
+		return version >= 1;
+	case XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_RIGHT:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_TOPLEVEL_RESIZE_EDGE_ENUM */
 
 #ifndef XDG_TOPLEVEL_STATE_ENUM
@@ -1172,6 +1394,9 @@ enum xdg_toplevel_state {
 	 *
 	 * The window is currently in a tiled layout and the left edge is
 	 * considered to be adjacent to another part of the tiling grid.
+	 *
+	 * The client should draw without shadow or other decoration
+	 * outside of the window geometry on the left edge.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_LEFT = 5,
@@ -1180,6 +1405,9 @@ enum xdg_toplevel_state {
 	 *
 	 * The window is currently in a tiled layout and the right edge
 	 * is considered to be adjacent to another part of the tiling grid.
+	 *
+	 * The client should draw without shadow or other decoration
+	 * outside of the window geometry on the right edge.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_RIGHT = 6,
@@ -1188,6 +1416,9 @@ enum xdg_toplevel_state {
 	 *
 	 * The window is currently in a tiled layout and the top edge is
 	 * considered to be adjacent to another part of the tiling grid.
+	 *
+	 * The client should draw without shadow or other decoration
+	 * outside of the window geometry on the top edge.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_TOP = 7,
@@ -1196,6 +1427,9 @@ enum xdg_toplevel_state {
 	 *
 	 * The window is currently in a tiled layout and the bottom edge
 	 * is considered to be adjacent to another part of the tiling grid.
+	 *
+	 * The client should draw without shadow or other decoration
+	 * outside of the window geometry on the bottom edge.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_BOTTOM = 8,
@@ -1229,6 +1463,38 @@ enum xdg_toplevel_state {
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION 6
+/**
+ * @ingroup iface_xdg_toplevel
+ * Validate a xdg_toplevel state value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_toplevel_state
+ */
+static inline bool
+xdg_toplevel_state_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_TOPLEVEL_STATE_MAXIMIZED:
+		return version >= 1;
+	case XDG_TOPLEVEL_STATE_FULLSCREEN:
+		return version >= 1;
+	case XDG_TOPLEVEL_STATE_RESIZING:
+		return version >= 1;
+	case XDG_TOPLEVEL_STATE_ACTIVATED:
+		return version >= 1;
+	case XDG_TOPLEVEL_STATE_TILED_LEFT:
+		return version >= 2;
+	case XDG_TOPLEVEL_STATE_TILED_RIGHT:
+		return version >= 2;
+	case XDG_TOPLEVEL_STATE_TILED_TOP:
+		return version >= 2;
+	case XDG_TOPLEVEL_STATE_TILED_BOTTOM:
+		return version >= 2;
+	case XDG_TOPLEVEL_STATE_SUSPENDED:
+		return version >= 6;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_TOPLEVEL_STATE_ENUM */
 
 #ifndef XDG_TOPLEVEL_WM_CAPABILITIES_ENUM
@@ -1251,6 +1517,28 @@ enum xdg_toplevel_wm_capabilities {
 	 */
 	XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE = 4,
 };
+/**
+ * @ingroup iface_xdg_toplevel
+ * Validate a xdg_toplevel wm_capabilities value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_toplevel_wm_capabilities
+ */
+static inline bool
+xdg_toplevel_wm_capabilities_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_TOPLEVEL_WM_CAPABILITIES_WINDOW_MENU:
+		return version >= 1;
+	case XDG_TOPLEVEL_WM_CAPABILITIES_MAXIMIZE:
+		return version >= 1;
+	case XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN:
+		return version >= 1;
+	case XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_TOPLEVEL_WM_CAPABILITIES_ENUM */
 
 /**
@@ -1780,6 +2068,22 @@ enum xdg_popup_error {
 	 */
 	XDG_POPUP_ERROR_INVALID_GRAB = 0,
 };
+/**
+ * @ingroup iface_xdg_popup
+ * Validate a xdg_popup error value.
+ *
+ * @return true on success, false on error.
+ * @ref xdg_popup_error
+ */
+static inline bool
+xdg_popup_error_is_valid(uint32_t value, uint32_t version) {
+	switch (value) {
+	case XDG_POPUP_ERROR_INVALID_GRAB:
+		return version >= 1;
+	default:
+		return false;
+	}
+}
 #endif /* XDG_POPUP_ERROR_ENUM */
 
 /**