Merge pull request #28015 from meeseeksmachine/auto-backport-of-pr-27955-on-v3.8.x

QuLogic · web-flow · commit dbb4e04e5545 · 2024-04-03T17:08:15.000-04:00
Backport PR #27955 on branch v3.8.x (Add a draw during show for macos backend)
diff --git a/lib/matplotlib/backends/backend_macosx.py b/lib/matplotlib/backends/backend_macosx.py
@@ -179,6 +179,8 @@ def start_main_loop(cls):
             _macosx.show()
 
     def show(self):
+        if self.canvas.figure.stale:
+            self.canvas.draw_idle()
         if not self._shown:
             self._show()
             self._shown = True
