File project.diff of Package libheif

--- libheif.changes.orig
+++ libheif.changes
@@ -1,4 +1,19 @@
 -------------------------------------------------------------------
+Tue Jan  6 08:29:47 UTC 2026 - Petr Gajdos <pgajdos@suse.com>
+
+- version update to 1.21.1:
+  * This release adds full support for reading and writing HEIF
+    image sequences.
+  * Support for image sequences with alpha channels. 
+  * Support for sequence track edit lists to define the number of
+    sequence repetitions (without actually repeating the video data).
+  * New encoder plugin using x264 to write H.264-compressed video
+    streams and images.
+  * The FFmpeg decoder plugin will now decode both H.265 and H.264.
+  * Support for HEIF text items and language properties.
+- fixes CVE-2025-68431 [bsc#1255735]
+
+-------------------------------------------------------------------
 Thu Sep 11 12:34:56 UTC 2025 - olaf@aepfle.de
 
 - version 1.20 requires at least ffmpeg 4, so go with version 7+
--- libheif.spec.orig
+++ libheif.spec
@@ -1,6 +1,7 @@
 #
 # spec file for package libheif
 #
+# Copyright (c) 2026 SUSE LLC
 # Copyright (c) 2025 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
@@ -45,7 +46,7 @@
 %bcond_with heif_view
 
 Name:           libheif%{?psuffix}
-Version:        1.20.2
+Version:        1.21.1
 Release:        0
 Summary:        HEIF/AVIF file format decoder and encoder
 License:        LGPL-3.0-only AND MIT