From 272045287a74e82c9e6e653b7450095f78a9394b Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 21 Mar 2025 22:20:02 +0530
Subject: [PATCH] Fix #8459

---
 docs/changelog.rst | 4 ++++
 kitty/clipboard.py | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/changelog.rst b/docs/changelog.rst
index b20c1a39f..c08a8d46a 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -114,6 +114,10 @@ Detailed list of changes
   character at the right edge of a line that needs to be moved onto the next
   line (:iss:`8464`)
 
+- Fix a regression in 0.40.1 that caused copying to clipboard via OSC 52 from
+  applications that dont specify a destination in the escape code not working
+  (:iss:`8459`)
+
 0.40.1 [2025-03-18]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/kitty/clipboard.py b/kitty/clipboard.py
index 651520b82..d0b54b341 100644
--- a/kitty/clipboard.py
+++ b/kitty/clipboard.py
@@ -399,7 +399,7 @@ class ClipboardRequestManager:
         else:
             where = str(data, "utf-8", 'replace')
             data = data[len(data):]
-        destinations = {ClipboardType.from_osc52_where_field(where) for where in where}
+        destinations = {ClipboardType.from_osc52_where_field(where) for where in where or 's0'}
         destinations.discard(ClipboardType.unknown)
         if len(data) == 1 and data.tobytes() == b'?':
             for d in destinations: