diff does not show a unified diff when one of the file is empty

diffutils.spec

@@ -1,11 +1,13 @@
 Summary: GNU collection of diff utilities
 Name: diffutils
 Version: 3.11
-Release: 2%{?dist}
+Release: 3%{?dist}
 URL: https://www.gnu.org/software/diffutils/diffutils.html
 Source: https://ftp.gnu.org/gnu/diffutils/diffutils-%{version}.tar.xz
 # upstream fixes
-Patch10: diffutils-3.11-allocation-typo-leading-to-crashes.patch
+Patch10: 0001-diff-don-t-treat-empty-files-as-a-different-file-typ.patch
+Patch11: 0001-diff-fix-allocation-size-computation-that-could-caus.patch
+
 License: GPL-3.0-or-later
 Provides: bundled(gnulib)
 BuildRequires: gcc
@@ -55,6 +57,9 @@ make check
 %{_infodir}/diffutils.info*
 
 %changelog
+* Thu Mar 27 2025 Than Ngo <than@redhat.com> - 3.11-3
+- diff does not show a unified diff when one of the file is empty
+
 * Thu Mar 27 2025 Than Ngo <than@redhat.com> - 3.11-2
 - Backported upstream patch, Fixed allocation typo leading to crash