diff --git a/kwin-5.26.3-backport-reduce_baddamage_errors.patch b/kwin-5.26.3-backport-reduce_baddamage_errors.patch
new file mode 100644
index 0000000..d8c75a1
--- /dev/null
+++ b/kwin-5.26.3-backport-reduce_baddamage_errors.patch
@@ -0,0 +1,25 @@
+From 7eca5f44dbc2b094468e7430f784ff1e7f372989 Mon Sep 17 00:00:00 2001
+From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+Date: Wed, 5 Oct 2022 14:17:09 +0300
+Subject: [PATCH] x11: Reset SurfaceItemX11::m_isDamaged when the damage handle
+ is destroyed
+
+---
+ src/surfaceitem_x11.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/surfaceitem_x11.cpp b/src/surfaceitem_x11.cpp
+index fef00eb73e..a1a9d8410f 100644
+--- a/src/surfaceitem_x11.cpp
++++ b/src/surfaceitem_x11.cpp
+@@ -110,6 +110,7 @@ void SurfaceItemX11::waitForDamage()
+ void SurfaceItemX11::destroyDamage()
+ {
+     if (m_damageHandle != XCB_NONE) {
++        m_isDamaged = false;
+         xcb_damage_destroy(kwinApp()->x11Connection(), m_damageHandle);
+         m_damageHandle = XCB_NONE;
+     }
+-- 
+GitLab
+
diff --git a/kwin.spec b/kwin.spec
index 6b286e4..9db7b2c 100644
--- a/kwin.spec
+++ b/kwin.spec
@@ -2,7 +2,7 @@
 %define plasmaver %(echo %version | cut -d. -f1-3)
 Name:          kwin
 Version:       5.26.3
-Release:       1mamba
+Release:       2mamba
 Summary:       KDE Frameworks 5 window manager
 Group:         Graphical Desktop/Applications/Environment
 Vendor:        openmamba
@@ -12,6 +12,7 @@ URL:           https://kde.org/
 Source:        http://download.kde.org/stable/plasma/%{plasmaver}/kwin-%{version}.tar.xz
 Patch0:        kwin-5.22.5-libglvnd-1.3.4.patch
 Patch1:        kwin-5.26.2.1-revert-x11window-redraw-issue.patch
+Patch2:        kwin-5.26.3-backport-reduce_baddamage_errors.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 #libKF5GlobalAccelPrivate.so.5()(64bit): .so link not found
@@ -116,6 +117,7 @@ This package contains libraries and header files for developing applications tha
 #:<< _EOF
 #%patch0 -p1
 #%patch1 -p1 -b .revert-x11window-redraw-issue
+%patch2 -p1 -b .backport-reduce_baddamage_errors
 
 %build
 #:<< _EOF
@@ -240,6 +242,9 @@ This package contains libraries and header files for developing applications tha
 %{_libdir}/cmake/KWinEffects/KWinEffects*.cmake
 
 %changelog
+* Sun Nov 20 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 5.26.3-2mamba
+- backport upstream package to try to reduce baddamage errors and kwin_x11 crashes ( https://bugs.kde.org/show_bug.cgi?id=461316 )
+
 * Thu Nov 10 2022 Automatic Build System <autodist@mambasoft.it> 5.26.3-1mamba
 - automatic version update by autodist