diff --git a/.gitignore b/.gitignore
index cba2394..5471744 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,7 @@
 /assimp-3.1.1_no_test_models.zip
 /assimp-c318d648ff73aa2e32b783709d69740ac3e8c072-free.tar.bz2
 /assimp-5.0.1-free.tar.xz
+/assimp-5.2.5-free.tar.xz
+/assimp-5.3.1-free.tar.xz
+/assimp-5.4.3-free.tar.xz
+/assimp-6.0.2-free.tar.xz
diff --git a/0978918f7148fbcd3d05cc6573dae7859975a895.patch b/0978918f7148fbcd3d05cc6573dae7859975a895.patch
new file mode 100644
index 0000000..b5c1569
--- /dev/null
+++ b/0978918f7148fbcd3d05cc6573dae7859975a895.patch
@@ -0,0 +1,24 @@
+diff -rupN --no-dereference assimp-6.0.2/code/AssetLib/Q3D/Q3DLoader.cpp assimp-6.0.2-new/code/AssetLib/Q3D/Q3DLoader.cpp
+--- assimp-6.0.2/code/AssetLib/Q3D/Q3DLoader.cpp	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/code/AssetLib/Q3D/Q3DLoader.cpp	2025-12-14 20:02:55.733930684 +0100
+@@ -55,6 +55,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ #include <assimp/DefaultLogger.hpp>
+ #include <assimp/IOSystem.hpp>
+ 
++#include <limits>
++
+ namespace Assimp {
+ 
+ static constexpr aiImporterDesc desc = {
+@@ -309,6 +311,11 @@ void Q3DImporter::InternReadFile(const s
+                     throw DeadlyImportError("Quick3D: Invalid texture. Width or height is zero");
+                 }
+ 
++                const unsigned int uint_max = std::numeric_limits<unsigned int>::max();
++                if (tex->mWidth > (uint_max / tex->mHeight)) {
++                    throw DeadlyImportError("Quick3D: Texture dimensions are too large, resulting in overflow.");
++                }
++
+                 unsigned int mul = tex->mWidth * tex->mHeight;
+                 aiTexel *begin = tex->pcData = new aiTexel[mul];
+                 aiTexel *const end = &begin[mul - 1] + 1;
diff --git a/assimp-5.0.1-assimpversion.patch b/assimp-5.0.1-assimpversion.patch
deleted file mode 100644
index 6409bb1..0000000
--- a/assimp-5.0.1-assimpversion.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up ./CMakeLists.txt.assimpversion ./CMakeLists.txt
---- ./CMakeLists.txt.assimpversion	2020-06-23 20:40:43.160107355 -0400
-+++ ./CMakeLists.txt	2020-06-23 20:41:03.435259223 -0400
-@@ -51,7 +51,7 @@ IF(HUNTER_ENABLED)
-   add_definitions(-DASSIMP_USE_HUNTER)
- ENDIF(HUNTER_ENABLED)
- 
--PROJECT( Assimp VERSION 5.0.0 )
-+PROJECT( Assimp VERSION 5.0.1 )
- 
- # All supported options ###############################################
- 
diff --git a/assimp-5.0.1-doxyfile.patch b/assimp-5.0.1-doxyfile.patch
deleted file mode 100644
index 7690a64..0000000
--- a/assimp-5.0.1-doxyfile.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -up ./doc/Doxyfile.in.doxyfile ./doc/Doxyfile.in
---- ./doc/Doxyfile.in.doxyfile	2020-01-12 06:56:40.000000000 -0500
-+++ ./doc/Doxyfile.in	2021-02-27 18:12:22.953572564 -0500
-@@ -664,7 +664,6 @@ WARN_LOGFILE           =
- 
- INPUT                  = @doxy_main_page@ \
-                          @PROJECT_SOURCE_DIR@ \
--                         @PROJECT_BINARY_DIR@ \
-                          @PROJECT_SOURCE_DIR@/include/ \
-                          @PROJECT_SOURCE_DIR@/doc/dox.h \
-                          @PROJECT_SOURCE_DIR@/code/BaseImporter.h
-@@ -725,7 +724,8 @@ RECURSIVE              = YES
- # Note that relative paths are relative to the directory from which doxygen is 
- # run.
- 
--EXCLUDE                = irrXML.h
-+EXCLUDE                = irrXML.h \
-+                         @PROJECT_BINARY_DIR@
- 
- # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or 
- # directories that are symbolic links (a Unix file system feature) are excluded 
diff --git a/assimp-5.0.1-irrxml.patch b/assimp-5.0.1-irrxml.patch
deleted file mode 100644
index 3da7b6c..0000000
--- a/assimp-5.0.1-irrxml.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-diff -up ./code/X3D/FIReader.cpp.irrxml ./code/X3D/FIReader.cpp
---- ./code/X3D/FIReader.cpp.irrxml	2020-01-12 06:56:40.000000000 -0500
-+++ ./code/X3D/FIReader.cpp	2021-03-07 20:38:31.402545036 -0500
-@@ -60,11 +60,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- #include <assimp/types.h>
- #include <assimp/MemoryIOWrapper.h>
- #include <assimp/irrXMLWrapper.h>
--#ifdef ASSIMP_USE_HUNTER
--#  include <utf8/utf8.h>
--#else
--#  include "../contrib/utf8cpp/source/utf8.h"
--#endif
-+#include <utf8.h>
- #include <assimp/fast_atof.h>
- #include <stack>
- #include <map>
-@@ -654,7 +650,7 @@ public:
-         return currentNodeType;
-     }
- 
--    virtual int getAttributeCount() const /*override*/ {
-+    virtual unsigned int getAttributeCount() const /*override*/ {
-         return static_cast<int>(attributes.size());
-     }
- 
-@@ -1733,7 +1729,7 @@ public:
-         return reader->getNodeType();
-     }
- 
--    virtual int getAttributeCount() const /*override*/ {
-+    virtual unsigned int getAttributeCount() const /*override*/ {
-         return reader->getAttributeCount();
-     }
- 
-diff -up ./include/assimp/irrXMLWrapper.h.irrxml ./include/assimp/irrXMLWrapper.h
---- ./include/assimp/irrXMLWrapper.h.irrxml	2020-01-12 06:56:40.000000000 -0500
-+++ ./include/assimp/irrXMLWrapper.h	2021-03-07 20:38:15.760525926 -0500
-@@ -133,7 +133,7 @@ public:
- 
-     // ----------------------------------------------------------------------------------
-     //! Returns size of file in bytes
--    virtual int getSize()   {
-+    virtual long getSize() const {
-         return (int)data.size();
-     }
- 
diff --git a/assimp-5.0.1-lib-dir.patch b/assimp-5.0.1-lib-dir.patch
deleted file mode 100644
index d05c0d7..0000000
--- a/assimp-5.0.1-lib-dir.patch
+++ /dev/null
@@ -1,134 +0,0 @@
-diff -uNr a/assimpTargets-debug.cmake.in b/assimpTargets-debug.cmake.in
---- a/assimpTargets-debug.cmake.in	2020-01-12 03:56:40.000000000 -0800
-+++ b/assimpTargets-debug.cmake.in	2021-03-23 12:45:13.392725131 -0700
-@@ -7,6 +7,14 @@
- 
- set(ASSIMP_BUILD_SHARED_LIBS @BUILD_SHARED_LIBS@)
- 
-+get_property(LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
-+
-+if ("${LIB64}" STREQUAL "TRUE")
-+    set(LIBSUFFIX 64)
-+else()
-+    set(LIBSUFFIX "")
-+endif()
-+
- if(MSVC)
-   if(MSVC_TOOLSET_VERSION)
-     set(MSVC_PREFIX "vc${MSVC_TOOLSET_VERSION}")
-@@ -42,11 +50,11 @@
-     # Import target "assimp::assimp" for configuration "Debug"
-     set_property(TARGET assimp::assimp APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
-     set_target_properties(assimp::assimp PROPERTIES
--      IMPORTED_IMPLIB_DEBUG "${_IMPORT_PREFIX}/lib/${importLibraryName}"
-+      IMPORTED_IMPLIB_DEBUG "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${importLibraryName}"
-       IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/bin/${sharedLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${importLibraryName}")
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${importLibraryName}")
-     list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/bin/${sharedLibraryName}" )
-   else()
-     set(staticLibraryName "assimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_DEBUG_POSTFIX@@CMAKE_STATIC_LIBRARY_SUFFIX@")
-@@ -54,10 +62,10 @@
-     # Import target "assimp::assimp" for configuration "Debug"
-     set_property(TARGET assimp::assimp APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
-     set_target_properties(assimp::assimp PROPERTIES
--      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib/${staticLibraryName}"
-+      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${staticLibraryName}")
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}")
-   endif()
- 
- else()
-@@ -66,17 +74,17 @@
-     set(sharedLibraryName "libassimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_DEBUG_POSTFIX@@CMAKE_SHARED_LIBRARY_SUFFIX@.@ASSIMP_VERSION_MAJOR@")
-     set_target_properties(assimp::assimp PROPERTIES
-       IMPORTED_SONAME_DEBUG "${sharedLibraryName}"
--      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib/${sharedLibraryName}"
-+      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${sharedLibraryName}" )
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}" )
-   else()
-     set(staticLibraryName "libassimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_DEBUG_POSTFIX@@CMAKE_STATIC_LIBRARY_SUFFIX@")
-     set_target_properties(assimp::assimp PROPERTIES
--      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib/${staticLibraryName}"
-+      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${staticLibraryName}" )
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}" )
-   endif()
- endif()
- 
-diff -uNr a/assimpTargets-release.cmake.in b/assimpTargets-release.cmake.in
---- a/assimpTargets-release.cmake.in	2020-01-12 03:56:40.000000000 -0800
-+++ b/assimpTargets-release.cmake.in	2021-03-23 12:45:40.323586653 -0700
-@@ -7,6 +7,14 @@
- 
- set(ASSIMP_BUILD_SHARED_LIBS @BUILD_SHARED_LIBS@)
- 
-+get_property(LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
-+
-+if ("${LIB64}" STREQUAL "TRUE")
-+    set(LIBSUFFIX 64)
-+else()
-+    set(LIBSUFFIX "")
-+endif()
-+
- if(MSVC)
-   if(MSVC_TOOLSET_VERSION)
-     set(MSVC_PREFIX "vc${MSVC_TOOLSET_VERSION}")
-@@ -42,11 +50,11 @@
-     # Import target "assimp::assimp" for configuration "Release"
-     set_property(TARGET assimp::assimp APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
-     set_target_properties(assimp::assimp PROPERTIES
--      IMPORTED_IMPLIB_RELEASE "${_IMPORT_PREFIX}/lib/${importLibraryName}"
-+      IMPORTED_IMPLIB_RELEASE "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${importLibraryName}"
-       IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/bin/${sharedLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${importLibraryName}")
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${importLibraryName}")
-     list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/bin/${sharedLibraryName}" )
-   else()
-     set(staticLibraryName "assimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_STATIC_LIBRARY_SUFFIX@")
-@@ -54,10 +62,10 @@
-     # Import target "assimp::assimp" for configuration "Release"
-     set_property(TARGET assimp::assimp APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
-     set_target_properties(assimp::assimp PROPERTIES
--      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib/${staticLibraryName}"
-+      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${staticLibraryName}")
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}")
-   endif()
- 
- else()
-@@ -70,17 +78,17 @@
-     endif()
-     set_target_properties(assimp::assimp PROPERTIES
-       IMPORTED_SONAME_RELEASE "${sharedLibraryName}"
--      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib/${sharedLibraryName}"
-+      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${sharedLibraryName}" )
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}" )
-   else()
-     set(staticLibraryName "libassimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_STATIC_LIBRARY_SUFFIX@")
-     set_target_properties(assimp::assimp PROPERTIES
--      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib/${staticLibraryName}"
-+      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}"
-     )
-     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
--    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib/${staticLibraryName}" )
-+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}" )
-   endif()
- endif()
- 
diff --git a/assimp-5.0.1-pkgconfig.patch b/assimp-5.0.1-pkgconfig.patch
deleted file mode 100644
index 9291eaf..0000000
--- a/assimp-5.0.1-pkgconfig.patch
+++ /dev/null
@@ -1,14 +0,0 @@
-diff -up ./assimp.pc.in.pkgconfig ./assimp.pc.in
---- ./assimp.pc.in.pkgconfig	2021-02-27 18:08:34.032990798 -0500
-+++ ./assimp.pc.in	2021-02-27 18:09:21.019110197 -0500
-@@ -1,7 +1,7 @@
- prefix=@CMAKE_INSTALL_PREFIX@
--exec_prefix=@CMAKE_INSTALL_PREFIX@/
--libdir=@CMAKE_INSTALL_PREFIX@/@ASSIMP_LIB_INSTALL_DIR@
--includedir=@CMAKE_INSTALL_PREFIX@/../include/@ASSIMP_INCLUDE_INSTALL_DIR@
-+exec_prefix=@ASSIMP_BIN_INSTALL_DIR@
-+libdir=@ASSIMP_LIB_INSTALL_DIR@
-+includedir=@ASSIMP_INCLUDE_INSTALL_DIR@/assimp
- 
- Name: @CMAKE_PROJECT_NAME@
- Description: Import various well-known 3D model formats in an uniform manner.
diff --git a/assimp-5.0.1-unbundle.patch b/assimp-5.0.1-unbundle.patch
deleted file mode 100644
index 0d937d5..0000000
--- a/assimp-5.0.1-unbundle.patch
+++ /dev/null
@@ -1,281 +0,0 @@
-diff -up ./CMakeLists.txt.unbundle ./CMakeLists.txt
---- ./CMakeLists.txt.unbundle	2020-01-12 06:56:40.000000000 -0500
-+++ ./CMakeLists.txt	2021-02-27 15:46:23.408557445 -0500
-@@ -485,6 +485,27 @@ IF ( ASSIMP_NO_EXPORT )
-   MESSAGE( STATUS "Build an import-only version of Assimp." )
- ENDIF( ASSIMP_NO_EXPORT )
- 
-+# Search for poly2tri
-+FIND_LIBRARY(POLY2TRI_LIB poly2tri HINTS ${POLY2TRI_LIB_PATH})
-+FIND_FILE(POLY2TRI_H poly2tri.h PATHS ${POLY2TRI_INCLUDE_PATH})
-+IF (POLY2TRI_LIB AND POLY2TRI_H)
-+  message(status "Found External poly2tri")
-+  SET(HAVE_POLY2TRI true)
-+ELSE(POLY2TRI_LIB AND POLY2TRI_H)
-+  SET(HAVE_POLY2TRI false)
-+ENDIF(POLY2TRI_LIB AND POLY2TRI_H)
-+
-+# Search for clipper
-+FIND_LIBRARY(CLIPPER_LIB polyclipping HINTS ${CLIPPER_LIB_PATH})
-+FIND_FILE(CLIPPER_H clipper.hpp PATHS ${CLIPPER_INCLUDE_PATH})
-+IF (CLIPPER_LIB AND CLIPPER_H)
-+  message(status "Found External clipper")
-+  SET(HAVE_CLIPPER true)
-+ELSE(CLIPPER_LIB AND CLIPPER_H)
-+  SET(HAVE_CLIPPER false)
-+ENDIF(CLIPPER_LIB AND CLIPPER_H)
-+
-+
- SET ( ASSIMP_BUILD_ARCHITECTURE "" CACHE STRING
-   "describe the current architecture."
- )
-diff -up ./code/Blender/BlenderTessellator.h.unbundle ./code/Blender/BlenderTessellator.h
---- ./code/Blender/BlenderTessellator.h.unbundle	2020-01-12 06:56:40.000000000 -0500
-+++ ./code/Blender/BlenderTessellator.h	2021-02-27 15:46:23.408557445 -0500
-@@ -144,11 +144,7 @@ namespace Assimp
- 
- #if ASSIMP_BLEND_WITH_POLY_2_TRI
- 
--#ifdef ASSIMP_USE_HUNTER
- #  include <poly2tri/poly2tri.h>
--#else
--#  include "../contrib/poly2tri/poly2tri/poly2tri.h"
--#endif
- 
- namespace Assimp
- {
-diff -up ./code/CMakeLists.txt.unbundle ./code/CMakeLists.txt
---- ./code/CMakeLists.txt.unbundle	2020-01-12 06:56:40.000000000 -0500
-+++ ./code/CMakeLists.txt	2021-02-27 15:46:23.408557445 -0500
-@@ -874,7 +874,7 @@ IF(HUNTER_ENABLED)
-   hunter_add_package(utf8)
-   find_package(utf8 CONFIG REQUIRED)
- ELSE(HUNTER_ENABLED)
--  # utf8 is header-only, so Assimp doesn't need to do anything.
-+  find_package(utf8cpp)
- ENDIF(HUNTER_ENABLED)
- 
- # polyclipping
-@@ -882,11 +882,11 @@ IF(HUNTER_ENABLED)
-   hunter_add_package(polyclipping)
-   find_package(polyclipping CONFIG REQUIRED)
- ELSE(HUNTER_ENABLED)
--  SET( Clipper_SRCS
--    ../contrib/clipper/clipper.hpp
--    ../contrib/clipper/clipper.cpp
--  )
--  SOURCE_GROUP( Contrib\\Clipper FILES ${Clipper_SRCS})
-+    SET( Clipper_SRCS
-+      ../contrib/clipper/clipper.hpp
-+      ../contrib/clipper/clipper.cpp
-+    )
-+    SOURCE_GROUP( Contrib\\Clipper FILES ${Clipper_SRCS})
- ENDIF(HUNTER_ENABLED)
- 
- # poly2tri
-@@ -894,20 +894,25 @@ IF(HUNTER_ENABLED)
-   hunter_add_package(poly2tri)
-   find_package(poly2tri CONFIG REQUIRED)
- ELSE(HUNTER_ENABLED)
--  SET( Poly2Tri_SRCS
--    ../contrib/poly2tri/poly2tri/common/shapes.cc
--    ../contrib/poly2tri/poly2tri/common/shapes.h
--    ../contrib/poly2tri/poly2tri/common/utils.h
--    ../contrib/poly2tri/poly2tri/sweep/advancing_front.h
--    ../contrib/poly2tri/poly2tri/sweep/advancing_front.cc
--    ../contrib/poly2tri/poly2tri/sweep/cdt.cc
--    ../contrib/poly2tri/poly2tri/sweep/cdt.h
--    ../contrib/poly2tri/poly2tri/sweep/sweep.cc
--    ../contrib/poly2tri/poly2tri/sweep/sweep.h
--    ../contrib/poly2tri/poly2tri/sweep/sweep_context.cc
--    ../contrib/poly2tri/poly2tri/sweep/sweep_context.h
--  )
--  SOURCE_GROUP( Contrib\\Poly2Tri FILES ${Poly2Tri_SRCS})
-+  if (HAVE_POLY2TRI)
-+    include_directories(${POLY2TRI_INCLUDE_PATH})
-+    set(Poly2Tri_SRCS "")
-+  elseif(HAVE_POLY2TRI)
-+    SET( Poly2Tri_SRCS
-+      ../contrib/poly2tri/poly2tri/common/shapes.cc
-+      ../contrib/poly2tri/poly2tri/common/shapes.h
-+      ../contrib/poly2tri/poly2tri/common/utils.h
-+      ../contrib/poly2tri/poly2tri/sweep/advancing_front.h
-+      ../contrib/poly2tri/poly2tri/sweep/advancing_front.cc
-+      ../contrib/poly2tri/poly2tri/sweep/cdt.cc
-+      ../contrib/poly2tri/poly2tri/sweep/cdt.h
-+      ../contrib/poly2tri/poly2tri/sweep/sweep.cc
-+      ../contrib/poly2tri/poly2tri/sweep/sweep.h
-+      ../contrib/poly2tri/poly2tri/sweep/sweep_context.cc
-+      ../contrib/poly2tri/poly2tri/sweep/sweep_context.h
-+    )
-+    SOURCE_GROUP( Contrib\\Poly2Tri FILES ${Poly2Tri_SRCS})
-+  endif(HAVE_POLY2TRI)
- ENDIF(HUNTER_ENABLED)
- 
- # minizip/unzip
-@@ -915,14 +920,19 @@ IF(HUNTER_ENABLED)
-   hunter_add_package(minizip)
-   find_package(minizip CONFIG REQUIRED)
- ELSE(HUNTER_ENABLED)
--  SET( unzip_SRCS
--    ../contrib/unzip/crypt.h
--    ../contrib/unzip/ioapi.c
--    ../contrib/unzip/ioapi.h
--    ../contrib/unzip/unzip.c
--    ../contrib/unzip/unzip.h
--  )
--  SOURCE_GROUP(Contrib\\unzip FILES ${unzip_SRCS})
-+  #if (MINIZIP_FOUND)
-+  #  SET( unzip_SRCS "")
-+  #  INCLUDE_DIRECTORIES(${MINIZIP_INCLUDE_DIRS})
-+  #elseif(MINIZIP_FOUND)
-+    SET( unzip_SRCS
-+      ../contrib/unzip/crypt.h
-+      ../contrib/unzip/ioapi.c
-+      ../contrib/unzip/ioapi.h
-+      ../contrib/unzip/unzip.c
-+      ../contrib/unzip/unzip.h
-+    )
-+    SOURCE_GROUP(Contrib\\unzip FILES ${unzip_SRCS})
-+    #endif(HAVE_MINIZIP)
- ENDIF(HUNTER_ENABLED)
- 
- # zip (https://github.com/kuba--/zip)
-@@ -1025,8 +1035,9 @@ IF(HUNTER_ENABLED)
-   hunter_add_package(RapidJSON)
-   find_package(RapidJSON CONFIG REQUIRED)
- ELSE(HUNTER_ENABLED)
--  INCLUDE_DIRECTORIES( "../contrib/rapidjson/include" )
--  INCLUDE_DIRECTORIES( "../contrib" )
-+  find_package(RapidJSON REQUIRED)
-+  include_directories(${RapidJSON_INCLUDE_DIRS})
-+  include_directories("../contrib")
- ENDIF(HUNTER_ENABLED)
- 
- # VC2010 fixes
-@@ -1118,7 +1129,7 @@ IF(HUNTER_ENABLED)
-       irrXML::irrXML
-       openddlparser::openddl_parser
-       poly2tri::poly2tri
--      minizip::minizip
-+      #minizip::minizip
-       ZLIB::zlib
-       RapidJSON::rapidjson
-       utf8::utf8
-@@ -1126,6 +1137,13 @@ IF(HUNTER_ENABLED)
-   )
- ELSE(HUNTER_ENABLED)
-   TARGET_LINK_LIBRARIES(assimp ${ZLIB_LIBRARIES} ${OPENDDL_PARSER_LIBRARIES} ${IRRXML_LIBRARY} )
-+  IF (HAVE_POLY2TRI)
-+    TARGET_LINK_LIBRARIES(assimp ${POLY2TRI_LIB})
-+  ENDIF(HAVE_POLY2TRI)
-+
-+  IF (HAVE_CLIPPER)
-+    TARGET_LINK_LIBRARIES(assimp ${CLIPPER_LIB})
-+  ENDIF (HAVE_CLIPPER)
- ENDIF(HUNTER_ENABLED)
- 
- if(ASSIMP_ANDROID_JNIIOSYSTEM)
-diff -up ./code/Common/BaseImporter.cpp.unbundle ./code/Common/BaseImporter.cpp
---- ./code/Common/BaseImporter.cpp.unbundle	2021-02-27 15:47:27.432812387 -0500
-+++ ./code/Common/BaseImporter.cpp	2021-02-27 15:47:58.526936201 -0500
-@@ -341,11 +341,7 @@ std::string BaseImporter::GetExtension(
-     return false;
- }
- 
--#ifdef ASSIMP_USE_HUNTER
--#  include <utf8/utf8.h>
--#else
--#  include "../contrib/utf8cpp/source/utf8.h"
--#endif
-+#  include <utf8.h>
- 
- // ------------------------------------------------------------------------------------------------
- // Convert to UTF8 data
-diff -up ./code/Importer/IFC/IFCGeometry.cpp.unbundle ./code/Importer/IFC/IFCGeometry.cpp
---- ./code/Importer/IFC/IFCGeometry.cpp.unbundle	2020-01-12 06:56:40.000000000 -0500
-+++ ./code/Importer/IFC/IFCGeometry.cpp	2021-02-27 15:46:23.408557445 -0500
-@@ -49,13 +49,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- #include "Common/PolyTools.h"
- #include "PostProcessing/ProcessHelper.h"
- 
--#ifdef ASSIMP_USE_HUNTER
--#  include <poly2tri/poly2tri.h>
--#  include <polyclipping/clipper.hpp>
--#else
--#  include "../contrib/poly2tri/poly2tri/poly2tri.h"
--#  include "../contrib/clipper/clipper.hpp"
--#endif
-+#include <poly2tri/poly2tri.h>
-+#include <../contrib/clipper/clipper.hpp>
- 
- #include <memory>
- #include <iterator>
-diff -up ./code/Importer/IFC/IFCOpenings.cpp.unbundle ./code/Importer/IFC/IFCOpenings.cpp
---- ./code/Importer/IFC/IFCOpenings.cpp.unbundle	2020-01-12 06:56:40.000000000 -0500
-+++ ./code/Importer/IFC/IFCOpenings.cpp	2021-02-27 15:46:23.409557449 -0500
-@@ -49,13 +49,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- #include "Common/PolyTools.h"
- #include "PostProcessing/ProcessHelper.h"
- 
--#ifdef ASSIMP_USE_HUNTER
--#  include <poly2tri/poly2tri.h>
--#  include <polyclipping/clipper.hpp>
--#else
--#  include "../contrib/poly2tri/poly2tri/poly2tri.h"
--#  include "../contrib/clipper/clipper.hpp"
--#endif
-+#include <poly2tri/poly2tri.h>
-+#include <../contrib/clipper/clipper.hpp>
- 
- #include <iterator>
- 
-diff -up ./code/Importer/STEPParser/STEPFileEncoding.cpp.unbundle ./code/Importer/STEPParser/STEPFileEncoding.cpp
---- ./code/Importer/STEPParser/STEPFileEncoding.cpp.unbundle	2021-02-27 15:48:15.993005751 -0500
-+++ ./code/Importer/STEPParser/STEPFileEncoding.cpp	2021-02-27 15:48:37.161090042 -0500
-@@ -45,11 +45,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-  */
- #include "STEPFileEncoding.h"
- #include <assimp/fast_atof.h>
--#ifdef ASSIMP_USE_HUNTER
--#  include <utf8/utf8.h>
--#else
--#  include <contrib/utf8cpp/source/utf8.h>
--#endif
-+#include <utf8.h>
- 
- #include <memory>
- 
-diff -up ./code/MMD/MMDPmxParser.cpp.unbundle ./code/MMD/MMDPmxParser.cpp
---- ./code/MMD/MMDPmxParser.cpp.unbundle	2021-02-27 15:50:16.110484046 -0500
-+++ ./code/MMD/MMDPmxParser.cpp	2021-02-27 15:50:57.573649134 -0500
-@@ -42,11 +42,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- #include <utility>
- #include "MMDPmxParser.h"
- #include <assimp/StringUtils.h>
--#ifdef ASSIMP_USE_HUNTER
--#  include <utf8/utf8.h>
--#else
--#  include "../contrib/utf8cpp/source/utf8.h"
--#endif
-+#include <utf8.h>
- #include <assimp/Exceptional.h>
- 
- namespace pmx
-diff -up ./code/SIB/SIBImporter.cpp.unbundle ./code/SIB/SIBImporter.cpp
---- ./code/SIB/SIBImporter.cpp.unbundle	2021-02-27 15:48:54.037157241 -0500
-+++ ./code/SIB/SIBImporter.cpp	2021-02-27 15:49:24.194277325 -0500
-@@ -59,12 +59,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- #include <assimp/ByteSwapper.h>
- #include <assimp/StreamReader.h>
- #include <assimp/TinyFormatter.h>
--#ifdef ASSIMP_USE_HUNTER
--#  include <utf8/utf8.h>
--#else
--//#  include "../contrib/ConvertUTF/ConvertUTF.h"
--#  include "../contrib/utf8cpp/source/utf8.h"
--#endif
-+#include <utf8.h>
- #include <assimp/IOSystem.hpp>
- #include <assimp/DefaultLogger.hpp>
- #include <assimp/scene.h>
diff --git a/assimp-docs.patch b/assimp-docs.patch
new file mode 100644
index 0000000..5d13c1e
--- /dev/null
+++ b/assimp-docs.patch
@@ -0,0 +1,37 @@
+diff -rupN --no-dereference assimp-6.0.2/doc/CMakeLists.txt assimp-6.0.2-new/doc/CMakeLists.txt
+--- assimp-6.0.2/doc/CMakeLists.txt	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/doc/CMakeLists.txt	2025-08-17 10:36:53.475374100 +0200
+@@ -33,9 +33,9 @@ if( DEFINED CMAKE_INSTALL_DOCDIR )
+         DESTINATION ${CMAKE_INSTALL_DOCDIR}
+     )
+     install(FILES
+-        ${CMAKE_CURRENT_SOURCE_DIR}/AssimpDoc_Html/AnimationOverview.png
+-        ${CMAKE_CURRENT_SOURCE_DIR}/AssimpDoc_Html/AnimationOverview.svg
+-        ${CMAKE_CURRENT_SOURCE_DIR}/AssimpDoc_Html/dragonsplash.png
++        ${CMAKE_CURRENT_SOURCE_DIR}/architecture/AnimationOverview.png
++        ${CMAKE_CURRENT_SOURCE_DIR}/architecture/AnimationOverview.svg
++        ${CMAKE_CURRENT_SOURCE_DIR}/images/dragonsplash.png
+         DESTINATION ${CMAKE_INSTALL_DOCDIR}/${HTML_OUTPUT}
+     )
+ endif()
+diff -rupN --no-dereference assimp-6.0.2/doc/Doxyfile.in assimp-6.0.2-new/doc/Doxyfile.in
+--- assimp-6.0.2/doc/Doxyfile.in	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/doc/Doxyfile.in	2025-08-17 10:36:53.474954432 +0200
+@@ -952,7 +952,7 @@ RECURSIVE              = NO
+ # Note that relative paths are relative to the directory from which doxygen is
+ # run.
+ 
+-EXCLUDE                =
++EXCLUDE                = @PROJECT_BINARY_DIR@
+ 
+ # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+ # directories that are symbolic links (a Unix file system feature) are excluded
+@@ -1221,7 +1221,7 @@ GENERATE_HTML          = YES
+ # The default directory is: html.
+ # This tag requires that the tag GENERATE_HTML is set to YES.
+ 
+-HTML_OUTPUT            = html
++HTML_OUTPUT            = AssimpDoc_Html
+ 
+ # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
+ # generated HTML page (for example: .htm, .php, .asp).
diff --git a/assimp-nozlib.patch b/assimp-nozlib.patch
new file mode 100644
index 0000000..8a69587
--- /dev/null
+++ b/assimp-nozlib.patch
@@ -0,0 +1,12 @@
+diff -rupN --no-dereference assimp-6.0.2/contrib/zlib/CMakeLists.txt assimp-6.0.2-new/contrib/zlib/CMakeLists.txt
+--- assimp-6.0.2/contrib/zlib/CMakeLists.txt	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/contrib/zlib/CMakeLists.txt	2025-08-17 10:36:53.187611066 +0200
+@@ -196,7 +196,7 @@ if(MINGW)
+     set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
+ endif(MINGW)
+ 
+-add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
++add_library(zlibstatic OBJECT ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+ 
+ IF(ASSIMP_INSTALL)
+     INSTALL( TARGETS zlibstatic
diff --git a/assimp-5.0.1-pythonpath.patch b/assimp-pythonpath.patch
similarity index 51%
rename from assimp-5.0.1-pythonpath.patch
rename to assimp-pythonpath.patch
index 4daf7d0..1a613ed 100644
--- a/assimp-5.0.1-pythonpath.patch
+++ b/assimp-pythonpath.patch
@@ -1,15 +1,15 @@
-diff -up ./port/PyAssimp/pyassimp/helper.py.pythonpath ./port/PyAssimp/pyassimp/helper.py
---- ./port/PyAssimp/pyassimp/helper.py.pythonpath	2021-02-27 18:03:01.858146645 -0500
-+++ ./port/PyAssimp/pyassimp/helper.py	2021-02-27 18:04:18.595341644 -0500
-@@ -25,6 +25,7 @@ additional_dirs, ext_whitelist = [],[]
+diff -rupN --no-dereference assimp-6.0.2/port/PyAssimp/pyassimp/helper.py assimp-6.0.2-new/port/PyAssimp/pyassimp/helper.py
+--- assimp-6.0.2/port/PyAssimp/pyassimp/helper.py	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/port/PyAssimp/pyassimp/helper.py	2025-08-17 10:36:52.891631207 +0200
+@@ -29,6 +29,7 @@ additional_dirs, ext_whitelist = [],[]
  # depending on the platform we're running on.
  if os.name=='posix':
      additional_dirs.append('./')
 +    additional_dirs.append('/usr/lib64/')
      additional_dirs.append('/usr/lib/')
      additional_dirs.append('/usr/lib/x86_64-linux-gnu/')
-     additional_dirs.append('/usr/local/lib/')
-@@ -44,6 +45,7 @@ if os.name=='posix':
+     additional_dirs.append('/usr/lib/aarch64-linux-gnu/')
+@@ -54,6 +55,7 @@ if os.name=='posix':
      # currently there's always a symlink called
      # libassimp.so in /usr/local/lib.
      ext_whitelist.append('.so')
diff --git a/assimp-tests.patch b/assimp-tests.patch
new file mode 100644
index 0000000..d5ae99a
--- /dev/null
+++ b/assimp-tests.patch
@@ -0,0 +1,28 @@
+diff -rupN --no-dereference assimp-6.0.2/CMakeLists.txt assimp-6.0.2-new/CMakeLists.txt
+--- assimp-6.0.2/CMakeLists.txt	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/CMakeLists.txt	2025-08-17 10:36:53.765126531 +0200
+@@ -813,6 +813,7 @@ IF ( ASSIMP_BUILD_SAMPLES )
+ ENDIF ()
+ 
+ IF ( ASSIMP_BUILD_TESTS )
++  ENABLE_TESTING()
+   ADD_SUBDIRECTORY( test/ )
+ ENDIF ()
+ 
+diff -rupN --no-dereference assimp-6.0.2/test/CMakeLists.txt assimp-6.0.2-new/test/CMakeLists.txt
+--- assimp-6.0.2/test/CMakeLists.txt	2025-08-17 10:36:52.887323815 +0200
++++ assimp-6.0.2-new/test/CMakeLists.txt	2025-08-17 10:36:53.765489323 +0200
+@@ -36,6 +36,7 @@
+ #
+ #----------------------------------------------------------------------
+ cmake_minimum_required( VERSION 3.10 )
++include(GoogleTest)
+ 
+ INCLUDE_DIRECTORIES(
+     ${Assimp_SOURCE_DIR}/test/unit
+@@ -267,4 +268,4 @@ target_link_libraries( unit assimp ${pla
+ 
+ add_subdirectory(headercheck)
+ 
+-add_test( unittests unit )
++gtest_discover_tests(unit)
diff --git a/assimp-unbundle.patch b/assimp-unbundle.patch
new file mode 100644
index 0000000..125551d
--- /dev/null
+++ b/assimp-unbundle.patch
@@ -0,0 +1,248 @@
+diff -rupN --no-dereference assimp-6.0.2/code/AssetLib/Blender/BlenderTessellator.h assimp-6.0.2-new/code/AssetLib/Blender/BlenderTessellator.h
+--- assimp-6.0.2/code/AssetLib/Blender/BlenderTessellator.h	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/code/AssetLib/Blender/BlenderTessellator.h	2025-08-18 20:15:00.250159883 +0200
+@@ -143,7 +143,7 @@ namespace Assimp
+ 
+ #if ASSIMP_BLEND_WITH_POLY_2_TRI
+ 
+-#include "contrib/poly2tri/poly2tri/poly2tri.h"
++#include <poly2tri/poly2tri.h>
+ 
+ namespace Assimp
+ {
+diff -rupN --no-dereference assimp-6.0.2/code/AssetLib/IFC/IFCGeometry.cpp assimp-6.0.2-new/code/AssetLib/IFC/IFCGeometry.cpp
+--- assimp-6.0.2/code/AssetLib/IFC/IFCGeometry.cpp	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/code/AssetLib/IFC/IFCGeometry.cpp	2025-08-18 20:15:00.250503229 +0200
+@@ -45,7 +45,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ #include "IFCUtil.h"
+ #include "Common/PolyTools.h"
+ #include "PostProcessing/ProcessHelper.h"
+-#include "contrib/poly2tri/poly2tri/poly2tri.h"
++#include <poly2tri/poly2tri.h>
+ #include "contrib/clipper/clipper.hpp"
+ 
+ #include <iterator>
+diff -rupN --no-dereference assimp-6.0.2/code/AssetLib/IFC/IFCOpenings.cpp assimp-6.0.2-new/code/AssetLib/IFC/IFCOpenings.cpp
+--- assimp-6.0.2/code/AssetLib/IFC/IFCOpenings.cpp	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/code/AssetLib/IFC/IFCOpenings.cpp	2025-08-18 20:15:00.250876754 +0200
+@@ -47,7 +47,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ #include "IFCUtil.h"
+ #include "Common/PolyTools.h"
+ #include "PostProcessing/ProcessHelper.h"
+-#include "contrib/poly2tri/poly2tri/poly2tri.h"
++#include <poly2tri/poly2tri.h>
+ #include "contrib/clipper/clipper.hpp"
+ 
+ #include <deque>
+diff -rupN --no-dereference assimp-6.0.2/code/CMakeLists.txt assimp-6.0.2-new/code/CMakeLists.txt
+--- assimp-6.0.2/code/CMakeLists.txt	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/code/CMakeLists.txt	2025-08-18 20:15:00.254124936 +0200
+@@ -1120,13 +1120,7 @@ IF(ASSIMP_HUNTER_ENABLED)
+   hunter_add_package(pugixml)
+   find_package(pugixml CONFIG REQUIRED)
+ ELSEIF(NOT TARGET pugixml::pugixml)
+-  SET( Pugixml_SRCS
+-    ../contrib/pugixml/src/pugiconfig.hpp
+-    ../contrib/pugixml/src/pugixml.cpp
+-    ../contrib/pugixml/src/pugixml.hpp
+-  )
+-  INCLUDE_DIRECTORIES("../contrib/pugixml/src")
+-  SOURCE_GROUP( Contrib\\Pugixml FILES ${Pugixml_SRCS})
++  find_package(pugixml REQUIRED)
+ ENDIF()
+ 
+ # utf8
+@@ -1134,7 +1128,7 @@ IF(ASSIMP_HUNTER_ENABLED)
+   hunter_add_package(utf8)
+   find_package(utf8cpp CONFIG REQUIRED)
+ ELSE()
+-  INCLUDE_DIRECTORIES("../contrib/utf8cpp/source")
++  find_package(utf8cpp CONFIG REQUIRED)
+ ENDIF()
+ 
+ # polyclipping
+@@ -1150,10 +1144,10 @@ ENDIF()
+ #ENDIF()
+ 
+ # poly2tri
+-#IF(ASSIMP_HUNTER_ENABLED)
+-#  hunter_add_package(poly2tri)
+-#  find_package(poly2tri CONFIG REQUIRED)
+-#ELSE()
++IF(HAVE_POLY2TRI)
++    include_directories(${POLY2TRI_INCLUDE_PATH})
++    set(Poly2Tri_SRCS "")
++ELSE()
+   SET( Poly2Tri_SRCS
+     ../contrib/poly2tri/poly2tri/common/shapes.cc
+     ../contrib/poly2tri/poly2tri/common/shapes.h
+@@ -1168,13 +1162,13 @@ ENDIF()
+     ../contrib/poly2tri/poly2tri/sweep/sweep_context.h
+   )
+   SOURCE_GROUP( Contrib\\Poly2Tri FILES ${Poly2Tri_SRCS})
+-#ENDIF()
++ENDIF()
+ 
+ # minizip/unzip
+-IF(ASSIMP_HUNTER_ENABLED)
+-  hunter_add_package(minizip)
+-  find_package(minizip CONFIG REQUIRED)
+-ELSE()
++#IF(ASSIMP_HUNTER_ENABLED)
++#  hunter_add_package(minizip)
++#  find_package(minizip CONFIG REQUIRED)
++#ELSE()
+   SET( unzip_SRCS
+     ../contrib/unzip/crypt.h
+     ../contrib/unzip/ioapi.c
+@@ -1183,7 +1177,7 @@ ELSE()
+     ../contrib/unzip/unzip.h
+   )
+   SOURCE_GROUP(Contrib\\unzip FILES ${unzip_SRCS})
+-ENDIF()
++#ENDIF()
+ 
+ # zip (https://github.com/kuba--/zip)
+ separate_arguments(ASSIMP_EXPORTERS_LIST UNIX_COMMAND ${ASSIMP_EXPORTERS_ENABLED})
+@@ -1279,6 +1273,7 @@ ENDIF ()
+ IF (NOT ASSIMP_HUNTER_ENABLED AND (RT_FOUND OR WIN32))
+   SET( ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC 1 )
+   ADD_DEFINITIONS( -DASSIMP_IMPORTER_GLTF_USE_OPEN3DGC=1 )
++  INCLUDE_DIRECTORIES( "../contrib" )
+ ELSE ()
+   SET (open3dgc_SRCS "")
+   MESSAGE (INFO " Hunter enabled or RT-extension not found. glTF import/export will be built without Open3DGC-compression.")
+@@ -1290,7 +1285,8 @@ IF(ASSIMP_HUNTER_ENABLED)
+   hunter_add_package(RapidJSON)
+   find_package(RapidJSON CONFIG REQUIRED)
+ ELSE()
+-  INCLUDE_DIRECTORIES("../contrib/rapidjson/include")
++  find_package(RapidJSON REQUIRED)
++  include_directories(${RapidJSON_INCLUDE_DIRS})
+   ADD_DEFINITIONS( -DRAPIDJSON_HAS_STDSTRING=1)
+   option( ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR "Suppress rapidjson warning on MSVC (NOTE: breaks android build)" ON )
+   if(ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR)
+@@ -1303,11 +1299,6 @@ IF(ASSIMP_HUNTER_ENABLED)
+   hunter_add_package(stb)
+   find_package(stb CONFIG REQUIRED)
+ ELSE()
+-  SET( stb_SRCS
+-    ../contrib/stb/stb_image.h
+-  )
+-  INCLUDE_DIRECTORIES("../contrib")
+-  SOURCE_GROUP( Contrib\\stb FILES ${stb_SRCS})
+ ENDIF()
+ 
+ # VC2010 fixes
+@@ -1489,7 +1480,6 @@ IF(ASSIMP_HUNTER_ENABLED)
+   TARGET_LINK_LIBRARIES(assimp
+       PUBLIC
+       openddlparser::openddl_parser
+-      minizip::minizip
+       ZLIB::zlib
+       RapidJSON::rapidjson
+       utf8cpp
+@@ -1508,9 +1498,16 @@ ELSE()
+   if (ASSIMP_BUILD_DRACO)
+     target_link_libraries(assimp ${draco_LIBRARIES})
+   endif()
+-  if(TARGET pugixml::pugixml)
+-    target_link_libraries(assimp pugixml::pugixml)
+-  endif()
++
++  TARGET_LINK_LIBRARIES(assimp pugixml)
++
++  IF (HAVE_POLY2TRI)
++    TARGET_LINK_LIBRARIES(assimp ${POLY2TRI_LIB})
++  ENDIF()
++
++  IF (HAVE_CLIPPER)
++    TARGET_LINK_LIBRARIES(assimp ${CLIPPER_LIB})
++  ENDIF()
+ ENDIF()
+ 
+ if(ASSIMP_ANDROID_JNIIOSYSTEM)
+diff -rupN --no-dereference assimp-6.0.2/code/PostProcessing/TriangulateProcess.cpp assimp-6.0.2-new/code/PostProcessing/TriangulateProcess.cpp
+--- assimp-6.0.2/code/PostProcessing/TriangulateProcess.cpp	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/code/PostProcessing/TriangulateProcess.cpp	2025-08-18 20:15:00.251686318 +0200
+@@ -62,7 +62,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ #include "PostProcessing/TriangulateProcess.h"
+ #include "PostProcessing/ProcessHelper.h"
+ #include "Common/PolyTools.h"
+-#include "contrib/earcut-hpp/earcut.hpp"
++#include <mapbox/earcut.hpp>
+ 
+ #include <memory>
+ #include <cstdint>
+diff -rupN --no-dereference assimp-6.0.2/samples/SimpleTexturedOpenGL/SimpleTexturedOpenGL/src/model_loading.cpp assimp-6.0.2-new/samples/SimpleTexturedOpenGL/SimpleTexturedOpenGL/src/model_loading.cpp
+--- assimp-6.0.2/samples/SimpleTexturedOpenGL/SimpleTexturedOpenGL/src/model_loading.cpp	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/samples/SimpleTexturedOpenGL/SimpleTexturedOpenGL/src/model_loading.cpp	2025-08-18 20:15:00.252020642 +0200
+@@ -24,7 +24,7 @@
+ #endif // _MSC_VER
+ 
+ #define STB_IMAGE_IMPLEMENTATION
+-#include "contrib/stb/stb_image.h"
++#include "stb_image.h"
+ 
+ #ifdef _MSC_VER
+ #pragma warning(default: 4100) // Enable warning 'unreferenced formal parameter'
+diff -rupN --no-dereference assimp-6.0.2/test/CMakeLists.txt assimp-6.0.2-new/test/CMakeLists.txt
+--- assimp-6.0.2/test/CMakeLists.txt	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/test/CMakeLists.txt	2025-08-18 20:15:00.253409037 +0200
+@@ -43,14 +43,6 @@ INCLUDE_DIRECTORIES(
+     ${Assimp_SOURCE_DIR}/code
+ )
+ 
+-if(NOT ASSIMP_HUNTER_ENABLED)
+-  INCLUDE_DIRECTORIES(
+-    ${Assimp_SOURCE_DIR}/contrib/googletest/googletest/include
+-    ${Assimp_SOURCE_DIR}/contrib/googletest/googletest/
+-    ${Assimp_SOURCE_DIR}/contrib/pugixml/src
+-  )
+-endif()
+-
+ if (MSVC)
+   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING")
+ endif()
+@@ -234,26 +226,11 @@ add_executable( unit
+   ${POST_PROCESSES}
+ )
+ 
+-if(ASSIMP_HUNTER_ENABLED)
+-    hunter_add_package(GTest)
+-    find_package(GTest CONFIG REQUIRED)
+-    target_link_libraries(unit GTest::gtest_main GTest::gmock)
+-else()
+-    target_sources(unit PUBLIC ${Assimp_SOURCE_DIR}/contrib/googletest/googletest/src/gtest-all.cc)
+-endif()
++find_package(GTest CONFIG REQUIRED)
++target_link_libraries(unit GTest::gtest_main GTest::gmock)
+ 
+ # RapidJSON
+-IF(ASSIMP_HUNTER_ENABLED)
+-  hunter_add_package(RapidJSON)
+-  find_package(RapidJSON CONFIG REQUIRED)
+-ELSE()
+-  INCLUDE_DIRECTORIES("../contrib/rapidjson/include")
+-  ADD_DEFINITIONS( -DRAPIDJSON_HAS_STDSTRING=1)
+-  option( ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR "Suppress rapidjson warning on MSVC (NOTE: breaks android build)" ON )
+-  if(ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR)
+-    ADD_DEFINITIONS( -DRAPIDJSON_NOMEMBERITERATORCLASS )
+-  endif()
+-ENDIF()
++find_package(RapidJSON CONFIG REQUIRED)
+ 
+ IF (ASSIMP_BUILD_DRACO)
+   ADD_DEFINITIONS( -DASSIMP_ENABLE_DRACO )
+diff -rupN --no-dereference assimp-6.0.2/test/unit/utglTF2ImportExport.cpp assimp-6.0.2-new/test/unit/utglTF2ImportExport.cpp
+--- assimp-6.0.2/test/unit/utglTF2ImportExport.cpp	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/test/unit/utglTF2ImportExport.cpp	2025-08-18 20:15:00.253778700 +0200
+@@ -986,7 +986,7 @@ namespace {
+             rapidjson::Document schemaDoc;
+             schemaDoc.Parse(R"==({"properties":{"scene" : { "type" : "integer" }}, "required": [ "scene" ]})==");
+             EXPECT_FALSE(schemaDoc.HasParseError());
+-        	m_schema.reset(new rapidjson::SchemaDocument(schemaDoc, m_schemaName.c_str(), static_cast<rapidjson::SizeType>(m_schemaName.size()), this));
++        	m_schema.reset(new rapidjson::SchemaDocument(schemaDoc, 0, 0, this));
+         }
+ 
+         const rapidjson::SchemaDocument* GetRemoteDocument(const char* uri, rapidjson::SizeType) override {
diff --git a/assimp.spec b/assimp.spec
index 1751c2c..c5adec9 100644
--- a/assimp.spec
+++ b/assimp.spec
@@ -1,18 +1,19 @@
-%undefine __cmake_in_source_build
+%define soversion 6
+
 Name:           assimp
-Version:        5.0.1
-Release:        3%{?dist}
+Version:        6.0.2
+Release:        6%{?dist}
 Summary:        Library to import various 3D model formats into applications
 
 # Assimp is BSD
 # Bundled contrib/clipper is Boost
 # Bundled contrib/Open3DGC is MIT
 # Bundled contrib/openddlparser is MIT
-# Bundled contrib/stb_image is MIT
+# Bundled contrib/stb is MIT
 # Bundled contrib/unzip is zlib
 # Bundled contrib/zip is unlicense
 # Bundled contrib/zlib is zlib
-License:        BSD and MIT and Boost and unlicense and zlib
+License:        BSD-3-Clause AND MIT AND BSL-1.0 AND Unlicense AND Zlib
 URL:            https://github.com/assimp/assimp
 
 # Github releases include nonfree models, source tarball must be re-generated
@@ -20,47 +21,53 @@ URL:            https://github.com/assimp/assimp
 Source0:        %{name}-%{version}-free.tar.xz
 Source1:        assimp_generate_tarball.sh
 
-# Un-bundle libraries that are provided by the distribution.
-Patch0:         %{name}-5.0.1-unbundle.patch
+# Un-bundle poly2tri, pugixml, utf8cpp, RapidJSON, clipper
+Patch0:         %{name}-unbundle.patch
 # Add /usr/lib64 to library lookup paths for python modules
-Patch1:         %{name}-5.0.1-pythonpath.patch
-# Correct the paths in the installed pkgconfig file
-Patch2:         %{name}-5.0.1-pkgconfig.patch
+Patch1:         %{name}-pythonpath.patch
+# Prevent export of bundled zlibstatic library
+Patch2:         %{name}-nozlib.patch
 # Exclude the build directory from the doxygen-generated documentation
-Patch3:         %{name}-5.0.1-doxyfile.patch
-# Updates for changes in irrxml's API
-Patch4:         %{name}-5.0.1-irrxml.patch
-# Correct the CMake version to match the tarball version.
-Patch5:         %{name}-5.0.1-assimpversion.patch
-# Correct the library installation location
-Patch6:         %{name}-5.0.1-lib-dir.patch
+# Fix HTML_OUTPUT dir in doxyfile
+# Fix installing images from doc/architecture
+Patch3:         %{name}-docs.patch
+# Enable ctest
+Patch4:         %{name}-tests.patch
+# Backport fix for CVE-2025-11277
+Patch5:         https://github.com/assimp/assimp/commit/0978918f7148fbcd3d05cc6573dae7859975a895.patch
+# PyAssimp: Re-add 'aiProcess_Triangulate' (#2423174)
+Patch6:         https://github.com/assimp/assimp/commit/dd98d4aea3d9d2b3544540ea44eeb15c3616dbb7.patch
+
 
 BuildRequires:  boost-devel
 BuildRequires:  cmake
-BuildRequires:  dos2unix
 BuildRequires:  doxygen
-BuildRequires:  irrlicht-devel
-BuildRequires:  irrXML-devel
+BuildRequires:  earcut-hpp-devel
 BuildRequires:  gcc-c++
 BuildRequires:  gtest-devel
 BuildRequires:  make
-BuildRequires:  pkgconfig(zzip-zlib-config)
-BuildRequires:  pkgconfig(zlib)
 BuildRequires:  pkgconfig(python3)
 BuildRequires:  poly2tri-devel
+BuildRequires:  pugixml-devel
 BuildRequires:  python3-devel
+BuildRequires:  zlib-devel
+# Need to BR -static packages for header-only libraries for tracking, per
+# guidelines
 BuildRequires:  rapidjson-devel
+BuildRequires:  rapidjson-static
+BuildRequires:  stb_image-devel
+BuildRequires:  stb_image-static
 BuildRequires:  utf8cpp-devel
+BuildRequires:  utf8cpp-static
 
 # Incompatible - https://github.com/assimp/assimp/issues/788
 #BuildRequires: pkgconfig(polyclipping)
 Provides: bundled(polyclipping) = 4.8.8
 Provides: bundled(open3dgc)
 Provides: bundled(openddl-parser)
-Provides: bundled(stb_image)
 Provides: bundled(unzip)
 Provides: bundled(minzip)
-Provides: bundled(zlib)
+
 
 %description
 Assimp, the Open Asset Import Library, is a free library to import
@@ -69,27 +76,27 @@ to provide a full asset conversion pipeline for use in game
 engines and real-time rendering systems, but is not limited
 to these applications.
 
+
 %package devel
 Summary: Header files and libraries for assimp
 Requires: %{name}%{?_isa} = %{version}-%{release}
+Requires: poly2tri-devel
+Requires: pugixml-devel
 
 %description devel
 This package contains the header files and libraries
 for assimp. If you would like to develop programs using assimp,
 you will need to install assimp-devel.
 
-%if 0%{?fedora} || 0%{?rhel} > 7
+
 %package -n python3-%{name}
 Summary: Python 3 bindings for assimp
 BuildArch: noarch
 Requires: %{name} = %{version}-%{release}
-Requires: python3
-Provides: %{name}-python3 = %{version}-%{release}
-Obsoletes: %{name}-python3 < 3.1.1
 
 %description -n python3-%{name}
 This package contains the PyAssimp3 python bindings
-%endif
+
 
 %package doc
 Summary: Assimp documentation
@@ -98,79 +105,177 @@ BuildArch: noarch
 %description doc
 %{summary}.
 
-%prep
-%setup -q
-# Get rid of bundled libs so we can't accidently build against them
-rm -r contrib/android-cmake
-rm -r contrib/irrXML
-rm -r contrib/poly2tri
-rm -r contrib/rapidjson
-rm -r contrib/utf8cpp
 
-%patch0 -p1 -b .unbundle
-%patch1 -p1 -b .pythonpath
-%patch2 -p1 -b .pkgconfig
-%patch3 -p1 -b .doxyfile
-%patch4 -p1 -b .irrxml
-%patch5 -p1 -b .assimpversion
-%patch6 -p1 -b .libdir
+%prep
+%autosetup -p1 -n %{name}-%{version}
+# Get rid of bundled libs so we can't accidently build against them, except:
+# - clipper: Unpackaged
+# - Open3DGC: Unpackaged
+# - openddlparser: Unpackaged
+# - tinyusdz: Unpackaged
+# - unzip: Modified minizip
+# - zip: Modified minizip
+find contrib/ -maxdepth 1 -mindepth 1 \
+  | grep -Ev '(clipper|Open3DGC|openddlparser|tinyusdz|unzip|zip)' \
+  | xargs rm -r
+
+mv contrib/openddlparser/LICENSE contrib/openddlparser/LICENSE.openddlparser
+
 
 %build
 %cmake \
- -DCMAKE_BUILD_TYPE=None \
- -DASSIMP_LIB_INSTALL_DIR=%{_lib} \
 %ifarch s390x ppc64
  -DAI_BUILD_BIG_ENDIAN=TRUE \
 %endif
- -DBUILD_DOCS=OFF \
- -DHTML_OUTPUT=%{name}-%{version} \
- -DCMAKE_INSTALL_DOCDIR=%{_docdir} \
+ -DASSIMP_WARNINGS_AS_ERRORS=OFF \
+ -DASSIMP_BUILD_ASSIMP_TOOLS=ON \
+ -DASSIMP_BUILD_DOCS=ON \
+ -DASSIMP_IGNORE_GIT_HASH=ON \
+ -DHAVE_POLY2TRI=ON \
  -DPOLY2TRI_INCLUDE_PATH=%{_includedir}/poly2tri \
- -DSYSTEM_IRRXML=ON \
- -DASSIMP_BUILD_ZLIB=ON
+ -DPOLY2TRI_LIB=poly2tri \
+ -DCMAKE_INSTALL_DOCDIR=%{_defaultdocdir}/%{name}
 
-# To use system polyclipping if assimp ever becomes compatible:
-# -DCLIPPER_INCLUDE_PATH=%{_includedir}/polyclipping
 %cmake_build
 
-# Fix file encoding
-dos2unix README LICENSE CREDITS port/PyAssimp/README.md
-iconv -f iso8859-1 -t utf-8 CREDITS > CREDITS.conv && mv -f CREDITS.conv CREDITS
 
 %install
 %cmake_install
 mkdir -p %{buildroot}%{python3_sitelib}/pyassimp/
 install -m0644 port/PyAssimp/pyassimp/*.py %{buildroot}%{python3_sitelib}/pyassimp/
-rm -f %{buildroot}%{_libdir}/libzlibstatic.a
 
-%ldconfig_scriptlets
+
+%check
+# Exclude tests that rely on nonbsd models
+%ctest --exclude-regex "utMD5Importer.importBoarMan|utMD5Importer.importBob|utMD2Importer.importDolphin|utMD2Importer.importFlag|utMD2Importer.importHorse|utQ3BSPImportExport.importerTest|utBlenderImporter.importBob|utBlenderImporter.importFleurOptonl|utPMXImporter.importTest|utXImporter.importDwarf" || :
 
 
 %files
 %license LICENSE 
 %license contrib/clipper/License.txt
-%license contrib/openddlparser/LICENSE
+%license contrib/openddlparser/LICENSE.openddlparser
 %license contrib/zip/UNLICENSE
 %doc Readme.md CREDITS
 %{_bindir}/assimp
-%{_libdir}/*.so.*
+%{_libdir}/libassimp.so.%{version}
+%{_libdir}/libassimp.so.%{soversion}
 
 %files devel
-%{_includedir}/assimp
-%{_libdir}/*.so
-%{_libdir}/pkgconfig/*.pc
-%{_libdir}/cmake/*
+%{_includedir}/assimp/
+%{_libdir}/libassimp.so
+%{_libdir}/pkgconfig/assimp.pc
+%{_libdir}/cmake/assimp-*/
 
 %files doc
 %{_docdir}/*
 
-%if 0%{?fedora} || 0%{?rhel} > 7
 %files -n python3-%{name}
 %doc port/PyAssimp/README.md
-%{python3_sitelib}/pyassimp
-%endif
+%{python3_sitelib}/pyassimp/
+
 
 %changelog
+* Fri Jan 16 2026 Fedora Release Engineering <releng@fedoraproject.org> - 6.0.2-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
+
+* Sat Dec 27 2025 Sandro Mani <manisandro@gmail.com> - 6.0.2-5
+- PyAssimp: Re-add 'aiProcess_Triangulate' (#2423174)
+
+* Sun Dec 14 2025 Sandro Mani <manisandro@gmail.com> - 6.0.2-4
+- Backport fix for CVE-2025-11277
+
+* Fri Sep 19 2025 Python Maint <python-maint@redhat.com> - 6.0.2-3
+- Rebuilt for Python 3.14.0rc3 bytecode
+
+* Mon Aug 18 2025 Sandro Mani <manisandro@gmail.com> - 6.0.2-2
+- Fix pugixml::pugixml dependency ending up in link interface of assimp::assimp
+
+* Fri Aug 15 2025 Sandro Mani <manisandro@gmail.com> - 6.0.2-1
+- Update to 6.0.2
+
+* Fri Aug 15 2025 Python Maint <python-maint@redhat.com> - 5.4.3-4
+- Rebuilt for Python 3.14.0rc2 bytecode
+
+* Wed Jul 23 2025 Fedora Release Engineering <releng@fedoraproject.org> - 5.4.3-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Tue Jun 03 2025 Python Maint <python-maint@redhat.com> - 5.4.3-2
+- Rebuilt for Python 3.14
+
+* Sat Mar 15 2025 Rich Mattes <richmattes@gmail.com> - 5.4.3-1
+- Update to release 5.4.3
+- Resolves: #2274012
+
+* Thu Jan 16 2025 Fedora Release Engineering <releng@fedoraproject.org> - 5.3.1-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Wed Aug 28 2024 Miroslav Suchý <msuchy@redhat.com> - 5.3.1-4
+- convert license to SPDX
+
+* Wed Jul 17 2024 Fedora Release Engineering <releng@fedoraproject.org> - 5.3.1-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Sat Jun 08 2024 Python Maint <python-maint@redhat.com> - 5.3.1-2
+- Rebuilt for Python 3.13
+
+* Sun Mar 31 2024 Rich Mattes <richmattes@gmail.com> - 5.3.1-1
+- Update to release 5.3.1
+- Resolves: rhbz#2256587
+
+* Mon Jan 22 2024 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.5-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Fri Jan 19 2024 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.5-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Wed Jan 03 2024 Scott K Logan <logans@cottsay.net> - 5.2.5-2
+- Add pugixml and poly2tri devel dependencies to assimp-devel
+
+* Fri Nov 24 2023 Rich Mattes <richmattes@gmail.com> - 5.2.5-1
+- Add check section and fix ctest configuration
+
+* Thu Oct 26 2023 Benjamin A. Beasley <code@musicinmybrain.net> - 5.2.5-1
+- Ensure stb_image contains the latest CVE patches
+
+* Fri Jul 28 2023 Scott K Logan <logans@cottsay.net> - 5.2.5-1
+- Update to release 5.2.5
+
+* Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 5.0.1-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Tue Jun 13 2023 Python Maint <python-maint@redhat.com> - 5.0.1-11
+- Rebuilt for Python 3.12
+
+* Wed Jan 18 2023 Fedora Release Engineering <releng@fedoraproject.org> - 5.0.1-10
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
+* Wed Jul 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 5.0.1-9
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
+* Mon Jun 13 2022 Python Maint <python-maint@redhat.com> - 5.0.1-8
+- Rebuilt for Python 3.11
+
+* Sat Apr 23 2022 Benjamin A. Beasley <code@musicinmybrain.net> - 5.0.1-7
+- Security fix for CVE-2022-28041
+- Drop dependency on pkgconfig(zzip-zlib-config), no longer available in
+  zziplib; use zlib directly instead
+
+* Wed Jan 19 2022 Fedora Release Engineering <releng@fedoraproject.org> - 5.0.1-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
+
+* Thu Dec 30 2021 Rich Mattes <richmattes@gmail.com> - 5.0.1-5
+- Correct Unlicense shortname (rhbz#2036000)
+
+* Sat Sep 11 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 5.0.1-4
+- Unbundle stb_image
+- Add -static BR’s for header-only libraries utf8cpp and rapidjson
+
+* Wed Jul 21 2021 Fedora Release Engineering <releng@fedoraproject.org> - 3.3.1-30
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Fri Jun 04 2021 Python Maint <python-maint@redhat.com> - 3.3.1-29
+- Rebuilt for Python 3.10
+
 * Mon Mar 29 2021 Rich Mattes <richmattes@gmail.com> - 5.0.1-3
 - Fix library install dir specification (rhbz#1943862)
 - Remove un-needed build dependency on ILUT
diff --git a/assimp_generate_tarball.sh b/assimp_generate_tarball.sh
index 30c5d1b..8e880f3 100755
--- a/assimp_generate_tarball.sh
+++ b/assimp_generate_tarball.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
-RELEASE=5.0.1
+if [ $# -lt 1 ]; then
+    echo "Usage: $0 version"
+    exit 1
+fi
+
+RELEASE=$1
 
 if [ ! -f assimp-$RELEASE.tar.gz ]; then
     wget https://github.com/assimp/assimp/archive/v$RELEASE/assimp-$RELEASE.tar.gz
@@ -15,4 +20,4 @@ find ./ -name "*.dll" -exec git rm -r {} \;
 rm -r test/models-nonbsd
 cd ..
 
-tar czf assimp-5.0.1-free.tar.xz assimp-$RELEASE
+tar czf assimp-$RELEASE-free.tar.xz assimp-$RELEASE
diff --git a/dd98d4aea3d9d2b3544540ea44eeb15c3616dbb7.patch b/dd98d4aea3d9d2b3544540ea44eeb15c3616dbb7.patch
new file mode 100644
index 0000000..c29e9fb
--- /dev/null
+++ b/dd98d4aea3d9d2b3544540ea44eeb15c3616dbb7.patch
@@ -0,0 +1,30 @@
+diff -rupN --no-dereference assimp-6.0.2/port/PyAssimp/pyassimp/postprocess.py assimp-6.0.2-new/port/PyAssimp/pyassimp/postprocess.py
+--- assimp-6.0.2/port/PyAssimp/pyassimp/postprocess.py	2025-06-08 21:50:39.000000000 +0200
++++ assimp-6.0.2-new/port/PyAssimp/pyassimp/postprocess.py	2025-12-27 19:11:08.846657557 +0100
+@@ -36,13 +36,21 @@ aiProcess_JoinIdenticalVertices = 0x2
+ #
+ aiProcess_MakeLeftHanded = 0x4
+ 
+-## <hr>Triangulates all faces of all meshes. 
++## <hr>Triangulates all faces of all meshes.
+ #
+ # By default the imported mesh data might contain faces with more than 3
+-# indices. For rendering you'll usually want all faces to be triangles. 
+-# This post processing stepaiProcess_ForceGenNormals
+-## <hr>Removes some parts of the data structure (animations, materials, 
+-#  light sources, cameras, textures, vertex components).
++# indices. For rendering you'll usually want all faces to be triangles.
++# This post processing step splits up faces with more than 3 indices into
++# triangles. Line and point primitives are *not* modified! If you want
++# 'triangles only' with no other kinds of primitives, try the following
++# solution:
++# - Specify both #aiProcess_Triangulate and #aiProcess_SortByPType
++# - Ignore all point and line meshes when you process assimp's output
++#
++aiProcess_Triangulate = 0x8
++
++# <hr>Removes some parts of the data structure (animations, materials,
++#     light sources, cameras, textures, vertex components).
+ #
+ # The  components to be removed are specified in a separate
+ # configuration option, <tt>#AI_CONFIG_PP_RVC_FLAGS<tt>. This is quite useful
diff --git a/sources b/sources
index 033da3b..0d92271 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (assimp-5.0.1-free.tar.xz) = bbdcb26fb826f44789850c139981f0a9c4000cf44e4cfb48671aa05b7fa1eaef164aa973dbba2f21ee16295236b3a775a4fa987bb211cfd552bd92c0522816da
+SHA512 (assimp-6.0.2-free.tar.xz) = c2895d1185d13fdbd25499e6d916d960f124892de7363e9e91db3ed1daef554ebea462e37cbfafbe5be548e5a962f18fc9f213f836579d97e725c17aae58149b