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here is the log from the commit of package alembic for openSUSE:Factory checked 
in at 2026-10-12 22:08:32
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/alembic (Old)
 and      /work/SRC/openSUSE:Factory/.alembic.new.3698736 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Package is "alembic"

Mon Oct 12 22:08:32 2026 rev:16 rq:1384323 version:1.8.12

Changes:
--------
--- /work/SRC/openSUSE:Factory/alembic/alembic.changes  2024-12-09 
21:14:03.715217378 +0100
+++ /work/SRC/openSUSE:Factory/.alembic.new.3698736/alembic.changes     
2026-10-12 22:08:36.468776050 +0200
@@ -1,0 +2,37 @@
+Mon Oct 12 08:46:00 UTC 2026 - Hans-Peter Jansen <[email protected]>
+
+- Disable RPATH
+
+-------------------------------------------------------------------
+Sun Oct 11 14:31:23 UTC 2026 - Andrea Manzini <[email protected]>
+
+- Update to 1.8.12 (crossing 1.8.9, 1.8.10, 1.8.11):
+  * Fix buffer overruns when reading maliciously crafted files: Ogawa
+    strings and wstrings (PR500), Ogawa data with dimensions smaller
+    than the stored data (PR494) and xform op channels (PR497). No
+    CVE ids are known for these.
+  * Ogawa: better handling of very large Ogawa version numbers (PR472)
+  * OPoints: write an empty sample if no ids are given (PR501)
+  * Drop support for IlmBase and Python 2: Imath 3+ is now required
+    and the public headers include <Imath/...> (Issue 431)
+  * CMake: minimum version is now 3.29 (PR487); the config files are
+    installed to ${CMAKE_INSTALL_LIBDIR}/cmake/Alembic (PR464)
+  * Many more fixes and improvements; see upstream's release notes
+    for the full list
+  * The soname is unchanged (libAlembic.so.1.8), exported symbols
+    are identical to 1.8.8
+- Drop fuzztest.patch: upstream's fuzzTest.cpp already accepts the
+  32-bit error message (alembic issue 346); the test passes on i586
+  without the patch
+- BuildRequires: cmake >= 3.29 as required by upstream, and
+  cmake(Imath) >= 3.0 instead of pkgconfig(OpenEXR); alembic-devel
+  now Requires cmake(Imath), needed by AlembicConfig.cmake and the
+  public headers
+- Run the tests serially (%ctest --parallel 1): CurvesTest and
+  GeomBaseTest share curves1.abc and failed randomly when run in
+  parallel
+- Spec cleanup: drop the obsolete sed on ConfigPackageLocation and
+  the unused -DALEMBIC_LIB_INSTALL_DIR, use %ldconfig_scriptlets,
+  remove Group tags
+
+-------------------------------------------------------------------

Old:
----
  alembic-1.8.8.tar.gz
  fuzztest.patch

New:
----
  alembic-1.8.12.tar.gz

----------(Old B)----------
  Old:    are identical to 1.8.8
- Drop fuzztest.patch: upstream's fuzzTest.cpp already accepts the
  32-bit error message (alembic issue 346); the test passes on i586
----------(Old E)----------

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Other differences:
------------------
++++++ alembic.spec ++++++
--- /var/tmp/diff_new_pack.WDGG25/_old  2026-10-12 22:08:37.448816932 +0200
+++ /var/tmp/diff_new_pack.WDGG25/_new  2026-10-12 22:08:37.449816974 +0200
@@ -1,8 +1,8 @@
 #
 # spec file for package alembic
 #
-# Copyright (c) 2024 SUSE LLC
-# Copyright (c) 2019 LISA GmbH, Bingen, Germany.
+# Copyright (c) 2026 SUSE LLC and contributors
+# Copyright (c) 2019-2026 LISA GmbH, Bingen, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,19 +19,16 @@
 
 %define libname libAlembic1_8
 Name:           alembic
-Version:        1.8.8
+Version:        1.8.12
 Release:        0
 Summary:        Computer graphics interchange framework
 License:        BSD-3-Clause
-Group:          Development/Libraries/C and C++
 URL:            https://www.alembic.io
 Source:         
https://github.com/%{name}/%{name}/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
-# PATCH-FIX-UPSTREAM fuzztest.patch -- Workaround 
https://github.com/alembic/alembic/issues/346
-Patch0:         fuzztest.patch
-BuildRequires:  cmake >= 3.13
+BuildRequires:  cmake >= 3.29
 BuildRequires:  gcc-c++
 BuildRequires:  pkgconfig
-BuildRequires:  pkgconfig(OpenEXR)
+BuildRequires:  cmake(Imath) >= 3.0
 BuildRequires:  pkgconfig(zlib)
 # Ogawa does only support little endianess
 ExcludeArch:    ppc64 s390x
@@ -44,7 +41,6 @@
 
 %package -n %{libname}
 Summary:        Sparse volume data structure library
-Group:          System/Libraries
 
 %description -n %{libname}
 Alembic distills complex, animated scenes into a non-procedural, application-
@@ -54,8 +50,8 @@
 
 %package devel
 Summary:        Development files for alembic
-Group:          Development/Libraries/C and C++
 Requires:       %{libname} = %{version}
+Requires:       cmake(Imath) >= 3.0
 
 %description   devel
 This package contains the C++ header files and symbolic links to the shared
@@ -64,27 +60,26 @@
 
 %prep
 %autosetup -p1
-# Where to install the Alembic's cmake files
-sed -i "s/\(ConfigPackageLocation\) lib/\1 %{_lib}/" lib/Alembic/CMakeLists.txt
 
 %build
 %cmake \
-    -DALEMBIC_LIB_INSTALL_DIR=%{_libdir} \
     -DUSE_ARNOLD=OFF \
     -DUSE_BINARIES=OFF \
+    -DCMAKE_SKIP_BUILD_RPATH=ON \
     -DUSE_TESTS=ON
 
 %make_build
 
 %check
 export LD_LIBRARY_PATH="%{buildroot}%{_libdir}"
-%ctest --verbose
+# CurvesTest and GeomBaseTest both write and read curves1.abc in the same
+# directory, so they fail randomly when ctest runs them in parallel
+%ctest --verbose --parallel 1
 
 %install
 %cmake_install
 
-%post -n %{libname} -p /sbin/ldconfig
-%postun -n %{libname} -p /sbin/ldconfig
+%ldconfig_scriptlets -n %{libname}
 
 %files -n %{libname}
 %license LICENSE.txt

++++++ alembic-1.8.8.tar.gz -> alembic-1.8.12.tar.gz ++++++
++++ 2023 lines of diff (skipped)

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