From fa077e4fc74250880aa472c13a8f8f0b2ade7d63 Mon Sep 17 00:00:00 2001
From: daboe01 <daboe01@googlemail.com>
Date: Sun, 15 Mar 2026 17:44:51 +0100
Subject: [PATCH] fixed: race condition during unfolding animation

---
 AppKit/CPOutlineView.j | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/AppKit/CPOutlineView.j b/AppKit/CPOutlineView.j
index 9d23b6836..1d7409497 100644
--- a/AppKit/CPOutlineView.j
+++ b/AppKit/CPOutlineView.j
@@ -1132,6 +1132,11 @@ var CPOutlineViewCoalesceSelectionNotificationStateOff  = 0,
 */
 - (void)reloadItem:(id)anItem reloadChildren:(BOOL)shouldReloadChildren
 {
+    if (_rowsAnimation && [_rowsAnimation isAnimating])
+    {
+        [_rowsAnimation stopAnimation];
+        [self animationDidEnd:_rowsAnimation];
+    }
 
     _pendingItemToClean = [];
     _itemAddedDuringLastLoading = [];