diff --git a/src/core/constraints.c b/src/core/constraints.c
index 562384069..1e4c341ee 100644
--- a/src/core/constraints.c
+++ b/src/core/constraints.c
@@ -1720,6 +1720,7 @@ constrain_titlebar_visible (MetaWindow         *window,
                             gboolean            check_only)
 {
   gboolean unconstrained_user_action;
+  gboolean user_nonnorthern_resize;
   gboolean retval;
   int bottom_amount;
   int horiz_amount_offscreen, vert_amount_offscreen;
@@ -1734,6 +1735,18 @@ constrain_titlebar_visible (MetaWindow         *window,
   unconstrained_user_action =
     info->is_user_action && !window->display->grab_frame_action;
 
+  /* If the user is resizing anything other than the top, then don't check if
+   * the titlebar is beyond the top of the screen.  This resize might be
+   * immediately following an unconstrained move or unconstrained resize that
+   * placed the titlebar above the top of the screen, in which case we don't
+   * want the titlebar immediately popping back below the screen or other
+   * glitching (https://gitlab.gnome.org/GNOME/mutter/-/issues/1206).
+   */
+  user_nonnorthern_resize =
+    info->is_user_action &&
+    meta_grab_op_is_resizing (window->display->grab_op) &&
+    info->orig.y == info->current.y;
+
   /* Exit early if we know the constraint won't apply--note that this constraint
    * is only meant for normal windows (e.g. we don't want docks to be shoved
    * "onscreen" by their own strut).
@@ -1743,6 +1756,7 @@ constrain_titlebar_visible (MetaWindow         *window,
       window->fullscreen                  ||
       !window->require_titlebar_visible   ||
       unconstrained_user_action           ||
+      user_nonnorthern_resize             ||
       meta_window_get_placement_rule (window))
     return TRUE;