Open Asset Import Library

kimkulling
May 31, 2025
Maintainer

What's Changed

Fix building on Haiku by @Begasus in Fix building on Haiku #5255
Reduce memory consumption in JoinVerticesProcess::ProcessMesh() signi… by @ockeymm in Reduce memory consumption in JoinVerticesProcess::ProcessMesh() signi… #5252
Fix: Add check for invalid input argument by @kimkulling in Fix: Add check for invalid input argument #5258
Replace an assert by a error log. by @kimkulling in Replace an assert by a error log. #5260
Extension of skinning data export to GLB/GLTF format by @fvbj in Extension of skinning data export to GLB/GLTF format #5243
Fix output floating-point values to fbx by @Riv1s-sSsA01 in Fix output floating-point values to fbx #5265
Update ImproveCacheLocality.cpp by @kimkulling in Update ImproveCacheLocality.cpp #5268
Update Readme.md by @kimkulling in Update Readme.md #5277
Deep arsdk bone double free by @kimkulling in Deep arsdk bone double free #5291
Fix Spelling error by @JulianKnodt in Fix Spelling error #5295
use size in order to be compatible with float and double by @sloriot in use size in order to be compatible with float and double #5270
Fix: Add missing transformation for normalized normals. by @kimkulling in Fix: Add missing transformation for normalized normals. #5301
Fix: Implicit Conversion Error by @Ipomoea in Fix: Implicit Conversion Error #5271
Fix add checks for indices by @kimkulling in Fix add checks for indices #5306
Update FBXBinaryTokenizer.cpp by @kimkulling in Update FBXBinaryTokenizer.cpp #5311
link to external minizip with full path by @aumuell in link to external minizip with full path #5278
utf8 header not found by @TarcioV in utf8 header not found #5279
Rm unnecessary deg->radian conversion in FBX exporter by @JulianKnodt in Rm unnecessary deg->radian conversion in FBX exporter #5281
Fix empty mesh handling by @kimkulling in Fix empty mesh handling #5318
Refactoring: Some cleanups by @kimkulling in Refactoring: Some cleanups #5319
Fix invalid read of uint from uvwsrc by @JulianKnodt in Fix invalid read of uint from uvwsrc #5282
Remove double delete by @kimkulling in Remove double delete #5325
fix mesh-name error. by @copycd in fix mesh-name error. #5294
COLLADA fixes for textures in C4D input by @wmatyjewicz in COLLADA fixes for textures in C4D input #5293
Use the correct allocator for deleting objects in case of duplicate a… by @FlorianBorn71 in Use the correct allocator for deleting objects in case of duplicate a… #5305
Fix container overflow in MMD parser by @aavenel in Fix container overflow in MMD parser #5309
Fix: PLY heap buffer overflow by @aavenel in Fix: PLY heap buffer overflow #5310
Update Readme.md by @cuppajoeman in Update Readme.md #5312
Update Readme.md by @cuppajoeman in Update Readme.md #5313
Fix: Check if index for mesh access is out of range by @kimkulling in Fix: Check if index for mesh access is out of range #5338
Update FBXConverter.cpp by @kimkulling in Update FBXConverter.cpp #5349
FBX: Use correct time scaling by @kimkulling in FBX: Use correct time scaling #5355
Drop explicit inclusion of contrib/ headers by @umlaeute in Drop explicit inclusion of contrib/ headers #5316
Update Build.md by @cuppajoeman in Update Build.md #5314
Fix buffer overflow in FBX::Util::DecodeBase64() by @ttxine in Fix buffer overflow in FBX::Util::DecodeBase64() #5322
Readme.md: correct 2 errors in section headers by @stephengold in Readme.md: correct 2 errors in section headers #5351
Fix double free in Video::~Video() by @ttxine in Fix double free in Video::~Video() #5323
FBXMeshGeometry: solve issue Bug: Analyze the model and obtain that UV is empty #5116 using patch provided by darktjm by @stephengold in FBXMeshGeometry: solve issue #5116 using patch provided by darktjm #5333
Fix target names not being imported on some gLTF2 models by @Futuremappermydud in Fix target names not being imported on some gLTF2 models #5356
correct grammar/typographic errors in comments (8 files) by @stephengold in correct grammar/typographic errors in comments (8 files) #5343
KHR_materials_specular fixes by @rudybear in KHR_materials_specular fixes #5347
Disable Hunter by @kimkulling in Disable Hunter #5388
fixed several issues by @MarkaRagnos0815 in fixed several issues #5359
Fix leak by @kimkulling in Fix leak #5391
Check validity of archive without parsing by @kimkulling in Check validity of archive without parsing #5393
Fix integer overflow by @kimkulling in Fix integer overflow #5394
Add a test before generating the txture folder by @kimkulling in Add a test before generating the txture folder #5400
Build: Disable building zlib for non-windows by @kimkulling in Build: Disable building zlib for non-windows #5401
null check. by @copycd in null check. #5402
Bump actions/upload-artifact from 3 to 4 by @dependabot in Bump actions/upload-artifact from 3 to 4 #5384
fix: KHR_materials_pbrSpecularGlossiness/diffuseFactor convert to pbr… by @guguTang in fix: KHR_materials_pbrSpecularGlossiness/diffuseFactor convert to pbr… #5410
fix building errors for MinGW by @0xf0ad in fix building errors for MinGW #5376
dynamic_cast error. by @copycd in dynamic_cast error. #5406
Add missing IRR textures by @tellypresence in Add missing IRR textures #5374
Update Dockerfile by @kimkulling in Update Dockerfile #5412
Fix handling of X3D IndexedLineSet nodes by @andre-schulz in Fix handling of X3D IndexedLineSet nodes #5362
Improve acc file loading by @IOBYTE in Improve acc file loading #5360
Readme.md: present hyperlinks in a more uniform style by @stephengold in Readme.md: present hyperlinks in a more uniform style #5364
FBX Blendshape FullWeight: Vec<Float> -> FullWeight: Vec<Double> by @JulianKnodt in FBX Blendshape FullWeight: Vec<Float> -> FullWeight: Vec<Double> #5441
Fix for issues Bug: Assimp incorrectly places 3dface inserts #5422, Vertex colors incorrect converting DXF to glTF #3411, and Bug: DXF conversion assigns incorrect colors #5443 -- DXF insert scaling fix and colour fix by @seanth in Fix for issues #5422, #3411, and #5443 -- DXF insert scaling fix and colour fix #5426
Update StbCommon.h to stay up-to-date with stb_image.h. by @tigert1998 in Update StbCommon.h to stay up-to-date with stb_image.h. #5436
Introduce aiBuffer by @kimkulling in Introduce aiBuffer #5444
Add bounds checks to the parsing utilities. by @kimkulling in Add bounds checks to the parsing utilities. #5421
Fix crash in viewer by @kimkulling in Fix crash in viewer #5446
Static code analysis fixes by @kimkulling in Static code analysis fixes #5447
Kimkulling/fix bahavior of remove redundat mats issue 5438 by @kimkulling in Kimkulling/fix bahavior of remove redundat mats issue 5438 #5451
Fix X importer breakage introduced in commit f844c33 by @tellypresence in Fix X importer breakage introduced in commit f844c33 #5372
Fileformats.md: clarify that import of .blend files is deprecated by @stephengold in Fileformats.md: clarify that import of .blend files is deprecated #5350
feat:1.add 3mf vertex color read 2.fix 3mf read texture bug by @GalenXiao in feat:1.add 3mf vertex color read 2.fix 3mf read texture bug #5361
More GLTF loading hardening by @FlorianBorn71 in More GLTF loading hardening #5415
Bump actions/cache from 3 to 4 by @dependabot in Bump actions/cache from 3 to 4 #5431
Update CMakeLists.txt by @mosfet80 in Update CMakeLists.txt #5379
Blendshape->Geometry in FBX Export by @JulianKnodt in Blendshape->Geometry in FBX Export #5419
Fix identity matrix check by @fvbj in Fix identity matrix check #5445
Fix PyAssimp under Python >= 3.12 and macOS library search support by @Th3T3chn0G1t in Fix PyAssimp under Python >= 3.12 and macOS library search support #5397
Add ISC LICENSE file by @severin-lemaignan in Add ISC LICENSE file #5465
ColladaParser: check values length by @etam in ColladaParser: check values length #5462
Include defs in not cpp-section by @kimkulling in Include defs in not cpp-section #5466
Add correct double zero check by @kimkulling in Add correct double zero check #5471
Add zlib-header to ZipArchiveIOSystem.h by @kimkulling in Add zlib-header to ZipArchiveIOSystem.h #5473
Add 2024 to copyright infos by @kimkulling in Add 2024 to copyright infos #5475
Append a new setting "AI_CONFIG_EXPORT_FBX_TRANSPARENCY_FACTOR_REFER_TO_OPACITY" by @Riv1s-sSsA01 in Append a new setting "AI_CONFIG_EXPORT_FBX_TRANSPARENCY_FACTOR_REFER_TO_OPACITY" #5450
Eliminate non-ascii comments in clipper by @adfwer233 in Eliminate non-ascii comments in clipper #5480
Fix compilation for MSVC14. by @LukasBanana in Fix compilation for MSVC14. #5490
Add correction of fbx model rotation by @kimkulling in Add correction of fbx model rotation #5494
Delete tools/make directory by @mosfet80 in Delete tools/make directory #5491
Delete packaging/windows-mkzip directory by @mosfet80 in Delete packaging/windows-mkzip directory #5492
Fix Bug: FBX Importer using wrong Angles in Animations #5420 duplicate degrees to radians conversion in fbx importer by @Biohazard90 in Fix #5420 duplicate degrees to radians conversion in fbx importer #5427
Respect merge identical vertices in ObjExporter by @JulianKnodt in Respect merge identical vertices in ObjExporter #5521
Fix utDefaultIOStream test under MinGW by @thenanisore in Fix utDefaultIOStream test under MinGW #5525
Fix typos by @RoboSchmied in Fix typos #5518
Add initial macOS support to C4D importer by @AlexTMjugador in Add initial macOS support to C4D importer #5516
Update hunter into CMakeLists.txt by @mosfet80 in Update hunter into CMakeLists.txt #5505
Fix: add missing import for AI_CONFIG_CHECK_IDENTITY_MATRIX_EPSILON_DEFAULT by @tomheaton in Fix: add missing import for AI_CONFIG_CHECK_IDENTITY_MATRIX_EPSILON_DEFAULT #5507
updated json by @mosfet80 in updated json #5501
Cleanup: Fix review findings by @kimkulling in Cleanup: Fix review findings #5528
Update CMakeLists.txt by @kimkulling in Update CMakeLists.txt #5531
CMake: Allow linking draco statically if ASSIMP_BUILD_DRACO_STATIC is set. by @alexrp in CMake: Allow linking draco statically if ASSIMP_BUILD_DRACO_STATIC is set. #5535
updated minizip to last version by @mosfet80 in updated minizip to last version #5498
updated STBIMAGElib by @mosfet80 in updated STBIMAGElib #5500
fix issue Bug: segmentation fault while removing redundant materials #5461 (segfault after removing redundant materials) by @stephengold in fix issue #5461 (segfault after removing redundant materials) #5467
Update ComputeUVMappingProcess.cpp by @kimkulling in Update ComputeUVMappingProcess.cpp #5541
add some ASSIMP_INSTALL checks by @ZeunO8 in add some ASSIMP_INSTALL checks #5545
Fix SplitByBoneCount typo that prevented node updates by @Succ3s in Fix SplitByBoneCount typo that prevented node updates #5550
Q3DLoader: Fix possible material string overflow by @kimkulling in Q3DLoader: Fix possible material string overflow #5556
Reverts the changes introduced by commit ad766cb in February 2022. by @johannesugb in Reverts the changes introduced by commit ad766cb in February 2022. #5542
fix a collada import bug by @xiaoxiaopifu in fix a collada import bug #5561
mention IQM loader in Fileformats.md by @Garux in mention IQM loader in Fileformats.md #5560
Kimkulling/fix pyassimp compatibility by @kimkulling in Kimkulling/fix pyassimp compatibility #5563
fix ASE loader crash when *MATERIAL_COUNT or *NUMSUBMTLS is not specified or is 0 by @Garux in fix ASE loader crash when *MATERIAL_COUNT or *NUMSUBMTLS is not specified or is 0 #5559
Add checks for invalid buffer and size by @kimkulling in Add checks for invalid buffer and size #5570
Make sure for releases revision will be zero by @kimkulling in Make sure for releases revision will be zero #5571
glTF2Importer: Support .vrm extension by @uyjulian in glTF2Importer: Support .vrm extension #5569
Prepare v5.4.1 by @kimkulling in Prepare v5.4.1 #5573
Remove deprecated c++11 warnings by @kimkulling in Remove deprecated c++11 warnings #5576
fix ci by disabling tests by @kimkulling in fix ci by disabling tests #5583
Fix integer overflow by @kimkulling in Fix integer overflow #5581
Assimp viewer fixes by @JLouis-B in Assimp viewer fixes #5582
Optimize readability by @kimkulling in Optimize readability #5578
Temporary fix for Bug: error: ‘void* __builtin_memmove(void*, const void*, long unsigned int)’ forming offset 8 is out of the bounds [0, 8] [-Werror=array-bounds=] #5557 GCC 13+ build issue -Warray-bounds by @dbs4261 in Temporary fix for #5557 GCC 13+ build issue -Warray-bounds #5577
Fix a bug that could cause assertion failure. by @vengine in Fix a bug that could cause assertion failure. #5575
Fix possible nullptr dereferencing. by @kimkulling in Fix possible nullptr dereferencing. #5595
Update ObjFileParser.cpp by @kimkulling in Update ObjFileParser.cpp #5598
Fix for Bug: GCC-14 fails to build when default symbol visibility is set to hidden #5592 Disabled maybe-uninitialized error for AssetLib/Obj/ObjFileParser.cpp by @dbs4261 in Fix for #5592 Disabled maybe-uninitialized error for AssetLib/Obj/ObjFileParser.cpp #5593
updated zip by @mosfet80 in updated zip #5499
Postprocessing: Fix endless loop by @kimkulling in Postprocessing: Fix endless loop #5605
Build: Fix compilation for VS-2022 debug mode - warning by @kimkulling in Build: Fix compilation for VS-2022 debug mode - warning #5606
Converted a size_t to mz_uint that was being treated as an error by @BradlyLanducci in Converted a size_t to mz_uint that was being treated as an error #5600
Add trim to xml string parsing by @kimkulling in Add trim to xml string parsing #5611
Replace duplicated trim by @kimkulling in Replace duplicated trim #5613
Move aiScene constructor by @kimkulling in Move aiScene constructor #5614
Move revision.h and revision.h.in to include folder by @kimkulling in Move revision.h and revision.h.in to include folder #5615
Update MDLMaterialLoader.cpp by @kimkulling in Update MDLMaterialLoader.cpp #5620
Create inno_setup by @kimkulling in Create inno_setup #5621
clean HunterGate.cmake by @mosfet80 in clean HunterGate.cmake #5619
Draft: Update init of aiString by @kimkulling in Draft: Update init of aiString #5623
Fix init aistring issue 5622 inpython module by @kimkulling in Fix init aistring issue 5622 inpython module #5625
update dotnet example by @mosfet80 in update dotnet example #5618
Make stepfile schema validation more robust. by @kimkulling in Make stepfile schema validation more robust. #5627
fix PLY binary export color from float to uchar by @micott in fix PLY binary export color from float to uchar #5608
Some FBXs do not have "Materials" information, which can cause parsing errors by @ycn2022 in Some FBXs do not have "Materials" information, which can cause parsing errors #5624
Fix collada uv channels - temporary was stored and then updated. by @StepanHrbek in Fix collada uv channels - temporary was stored and then updated. #5630
remove ASE parsing break by @Garux in remove ASE parsing break #5634
FBX-Exporter: Fix nullptr dereferencing by @kimkulling in FBX-Exporter: Fix nullptr dereferencing #5638
Fix FBX exporting incorrect bone order by @JulianKnodt in Fix FBX exporting incorrect bone order #5435
fixes potential memory leak on malformed obj file by @TinyTinni in fixes potential memory leak on malformed obj file #5645
Update zip.c by @ThatOSDev in Update zip.c #5639
Fixes some uninit bool loads by @TinyTinni in Fixes some uninit bool loads #5644
Fix names of enum values in docstring of aiProcess_FindDegenerates by @mapret in Fix names of enum values in docstring of aiProcess_FindDegenerates #5640
Fix: StackAllocator Undefined Reference fix by @thearchivalone in Fix: StackAllocator Undefined Reference fix #5650
Plx: Fix out of bound access by @kimkulling in Plx: Fix out of bound access #5651
Docker: Fix security finding by @kimkulling in Docker: Fix security finding #5655
Fix potential heapbuffer overflow in md5 parsing by @TinyTinni in Fix potential heapbuffer overflow in md5 parsing #5652
Replace raw pointers by std::string by @kimkulling in Replace raw pointers by std::string #5656
Fix compile warning by @kimkulling in Fix compile warning #5657
Allow empty slots in mTextureCoords by @StepanHrbek in Allow empty slots in mTextureCoords #5636
Update Readme.md by @kimkulling in Update Readme.md #5663
Update Readme.md by @kimkulling in Update Readme.md #5665
[USD] Integrate "tinyusdz" project by @tellypresence in [USD] Integrate "tinyusdz" project #5628
Kimkulling/fix double precision tests by @kimkulling in Kimkulling/fix double precision tests #5660
Update Python structs with missing fields that were causing core dumps by @vjf in Update Python structs with missing fields that were causing core dumps #5673
Introduce interpolation mode to vectro and quaternion keys by @kimkulling in Introduce interpolation mode to vectro and quaternion keys #5674
Fix a fuzz test heap buffer overflow in mdl material loader by @sgayda2 in Fix a fuzz test heap buffer overflow in mdl material loader #5658
Mosfet80 updatedpoli2tri by @kimkulling in Mosfet80 updatedpoli2tri #5682
CalcTangents: zero vector is invalid for tangent/bitangent by @JensEhrhardt-eOPUS in CalcTangents: zero vector is invalid for tangent/bitangent #5432
A fuzzed stride could cause the max count to become negative and henc… by @FlorianBorn71 in A fuzzed stride could cause the max count to become negative and henc… #5414
Return false instead of crash by @kimkulling in Return false instead of crash #5685
Make coord transfor for hs1 files optional by @kimkulling in Make coord transfor for hs1 files optional #5687
Update DefaultIOSystem.cpp by @kimkulling in Update DefaultIOSystem.cpp #5697
FBX exporter - handle multiple vertex color channels by @Kimbatt in FBX exporter - handle multiple vertex color channels #5695
Fixing static builds on Windows by @natevm in Fixing static builds on Windows #5713
Added AND condition in poly2tri dll_symbol.h to only define macros fo… by @mkuritsu in Added AND condition in poly2tri dll_symbol.h to only define macros fo… #5693
Fix MSVC PDBs and permit them to be disabled if required by @RichardTea in Fix MSVC PDBs and permit them to be disabled if required #5710
Use DRACO_GLTF_BITSTREAM by @RichardTea in Use DRACO_GLTF_BITSTREAM #5709
include Exceptional.h in 3DSExporter.cpp by @Fiskmans in include Exceptional.h in 3DSExporter.cpp #5707
Remove recursive include by @Fiskmans in Remove recursive include #5705
Fix: Possible out-of-bound read in findDegenerate by @TinyTinni in Fix: Possible out-of-bound read in findDegenerate #5679
Revert variable name by @tellypresence in Revert variable name #5715
Add compile option /source-charset:utf-8 for MSVC by @kenichiice in Add compile option /source-charset:utf-8 for MSVC #5716
Fix leak in loader by @kimkulling in Fix leak in loader #5718
Expose aiGetEmbeddedTexture to C-API by @sacereda in Expose aiGetEmbeddedTexture to C-API #5382
Sparky kitty studios master by @kimkulling in Sparky kitty studios master #5727
Added more Maya materials by @Sanchikuuus in Added more Maya materials #5101
Fix to check both types of slashes in GetShortFilename by @imdongye in Fix to check both types of slashes in GetShortFilename #5728
Bump actions/download-artifact from 1 to 4 by @dependabot in Bump actions/download-artifact from 1 to 4 #5732
Bump actions/upload-artifact from 1 to 4 by @dependabot in Bump actions/upload-artifact from 1 to 4 #5731
Bump softprops/action-gh-release from 1 to 2 by @dependabot in Bump softprops/action-gh-release from 1 to 2 #5730
Fix copying private data when source pointer is NULL by @vjf in Fix copying private data when source pointer is NULL #5733
Fix potential memory leak in SceneCombiner for LWS/IRR/MD3 loader by @TinyTinni in Fix potential memory leak in SceneCombiner for LWS/IRR/MD3 loader #5721
Fix to correctly determine 'multi-configuration' on Windows by @kenichiice in Fix to correctly determine 'multi-configuration' on Windows #5720
Fix casting typo in D3MFExporter::writeBaseMaterials by @ochafik in Fix casting typo in D3MFExporter::writeBaseMaterials #5681
FBX: add metadata of ainode as properties by @fuhaixi in FBX: add metadata of ainode as properties #5675
feat: add option for creating XCFramework and configure minimum iOS target by @AKosmachyov in feat: add option for creating XCFramework and configure minimum iOS target #5648
Update PyAssimp structs with Skeleton & SkeletonBone members by @vjf in Update PyAssimp structs with Skeleton & SkeletonBone members #5734
The total length is incorrect when exporting gltf2 by @Fav in The total length is incorrect when exporting gltf2 #5647
build: Add ccache support by @ochafik in build: Add ccache support #5686
Update ccpp.yml by @kimkulling in Update ccpp.yml #5740
Ply-Importer: Fix vulnerability by @kimkulling in Ply-Importer: Fix vulnerability #5739
prepare v5.4.3 by @kimkulling in prepare v5.4.3 #5741
Zero-length mChildren arrays should be nullptr by @RichardTea in Zero-length mChildren arrays should be nullptr #5749
Allow usage of pugixml from a superproject by @diiigle in Allow usage of pugixml from a superproject #5752
Prevents PLY from parsing duplicate defined elements by @TinyTinni in Prevents PLY from parsing duplicate defined elements #5743
Add option to ignore FBX custom axes by @RichardTea in Add option to ignore FBX custom axes #5754
Kimkulling/mark blender versions as not supported by @kimkulling in Kimkulling/mark blender versions as not supported #5370
Fix leak by @kimkulling in Fix leak #5762
Fix invalid access by @cla7aye15I4nd in Fix invalid access #5765
Fix buffer overflow in MD3Loader by @cla7aye15I4nd in Fix buffer overflow in MD3Loader #5763
Fix stack overflow by @cla7aye15I4nd in Fix stack overflow #5764
FBX Import - Restored Absolute Transform Calculation by @lxw404 in FBX Import - Restored Absolute Transform Calculation #5751
Fix naming in aiMaterial comment by @PatrickDahlin in Fix naming in aiMaterial comment #5780
Update dll_symbol.h by @kimkulling in Update dll_symbol.h #5781
Fix for build with ASSIMP_BUILD_NO_VALIDATEDS_PROCESS by @Pichas in Fix for build with ASSIMP_BUILD_NO_VALIDATEDS_PROCESS #5774
Update CMakeLists.txt by @kimkulling in Update CMakeLists.txt #5782
FBX Blendshapes: Do not require normals by @JulianKnodt in FBX Blendshapes: Do not require normals #5776
Update Build.md by @kimkulling in Update Build.md #5796
Update Readme.md by @kimkulling in Update Readme.md #5797
SplitLargeMeshes: Fix crash by @kimkulling in SplitLargeMeshes: Fix crash #5799
Installer: fix images for installer by @kimkulling in Installer: fix images for installer #5800
Bugfix/installer add missing images by @kimkulling in Bugfix/installer add missing images #5803
Fix bug introduced in commit 168ae22 of 27 Oct 2019 by @tellypresence in Fix bug introduced in commit 168ae22 of 27 Oct 2019 #5813
Fix issue 5767: Can't load USD from memory by @Pichas in Fix issue 5767: Can't load USD from memory #5818
Fix FBX animation bug (issue 3390) by @tellypresence in Fix FBX animation bug (issue 3390) #5815
[Fix issue 5823] Hotfix for broken lightwave normals by @tellypresence in [Fix issue 5823] Hotfix for broken lightwave normals #5824
Fixed bug in DefaultLogger::set by @chefrolle695 in Fixed bug in DefaultLogger::set #5826
Fix a bug in the assbin loader that reads uninitialized memory by @qingyouzhao in Fix a bug in the assbin loader that reads uninitialized memory #5801
Fix issue 2889 (molecule_ascii.cob load failure): change integers to floating point values in color triplets by @tellypresence in Fix issue 2889 (molecule_ascii.cob load failure): change integers to floating point values in color triplets #5819
Add unit tests for X3D models which were broken at 5 Oct 2020 commit 3b9d4cf by @tellypresence in Add unit tests for X3D models which were broken at 5 Oct 2020 commit 3b9d4cf #5828
Update inno_setup-actions by @mosfet80 in Update inno_setup-actions #5833
Simplify re-enabling M3D build support by @tellypresence in Simplify re-enabling M3D build support #5835
Update hunter by @mosfet80 in Update hunter #5831
Store current exception when caught in ASSIMP_CATCH_GLOBAL_EXCEPTIONS by @mischmit in Store current exception when caught in ASSIMP_CATCH_GLOBAL_EXCEPTIONS #5810
Fix issue 5816 (cone.nff load failure): repair faulty line in 3D model file by @tellypresence in Fix issue 5816 (cone.nff load failure): repair faulty line in 3D model file #5817
Readme: Add project activity view item by @kimkulling in Readme: Add project activity view item #5854
Cleanup Unit Tests Output by @AMZN-Gene in Cleanup Unit Tests Output #5852
USD Skinned Mesh by @AMZN-Gene in USD Skinned Mesh #5812
Update tinyusdz by @tellypresence in Update tinyusdz #5849
+Add vertex duplication during face normal generation by @diiigle in +Add vertex duplication during face normal generation #5805
Fix use of uninitialized value. by @feuerste in Fix use of uninitialized value. #5867
Update CMakeLists.txt to fix gcc/clang++ issue by @jwbla in Update CMakeLists.txt to fix gcc/clang++ issue #5863
Add reference screenshots for complex bundled test 3D model files by @tellypresence in Add reference screenshots for complex bundled test 3D model files #5822
Obj: Fix Sonarcube findings by @kimkulling in Obj: Fix Sonarcube findings #5873
Try to resolve image paths by replacing backslashes or forward slashes in EmbedTexturesProcess by @david-campos in Try to resolve image paths by replacing backslashes or forward slashes in EmbedTexturesProcess #5844
Material: Fix the build for c compiler by @kimkulling in Material: Fix the build for c compiler #5879
Material: Fix sonarcube finding by @kimkulling in Material: Fix sonarcube finding #5880
Remove strcpy. by @kimkulling in Remove strcpy. #5802
Fix potential uninitialized variable in clipper by @miselin in Fix potential uninitialized variable in clipper #5881
Check that mMaterials not null before access by @JulianKnodt in Check that mMaterials not null before access #5874
Cleanup: Delete code/.editorconfig by @kimkulling in Cleanup: Delete code/.editorconfig #5889
Readme.md: Add sonarcube badge by @kimkulling in Readme.md: Add sonarcube badge #5893
Obj: fix nullptr access. by @kimkulling in Obj: fix nullptr access. #5894
Update cpp-pm / hunter by @mosfet80 in Update cpp-pm / hunter #5885
Add CI to automatically build and attach binaries to releases by @Saalvage in Add CI to automatically build and attach binaries to releases #5892
Simplify JoinVerticesProcess by @JulianKnodt in Simplify JoinVerticesProcess #5895
USD Keyframe Animations by @AMZN-Gene in USD Keyframe Animations #5856
Fix compiler error when double precision is selected, by @hankarun in Fix compiler error when double precision is selected, #5902
Synchronize DefaultLogger by @Saalvage in Synchronize DefaultLogger #5898
Do not create GLTF Mesh if no faces by @JulianKnodt in Do not create GLTF Mesh if no faces #5878
FBX Blendshape: export float & same # verts by @JulianKnodt in FBX Blendshape: export float & same # verts #5775
bugfix: Fixed the issue that draco compressed gltf files cannot be lo… by @HandsomeXi in bugfix: Fixed the issue that draco compressed gltf files cannot be lo… #5883
pbrt: Validate mesh in WriteMesh before AttributeBegin call by @lijenicol in pbrt: Validate mesh in WriteMesh before AttributeBegin call #5884
Introducing assimp Guru on Gurubase.io by @kursataktas in Introducing assimp Guru on Gurubase.io #5887
Fix: Fix build for mingw10 by @kimkulling in Fix: Fix build for mingw10 #5916
Fix use after free in the CallbackToLogRedirector by @tyler92 in Fix use after free in the CallbackToLogRedirector #5918
USD Mesh Node Fix by @AMZN-Gene in USD Mesh Node Fix #5915
Fixed warnings by @sacereda in Fixed warnings #5903
Replace C# port with maintained fork by @Saalvage in Replace C# port with maintained fork #5922
Fix heap-buffer-overflow in OpenDDLParser by @tyler92 in Fix heap-buffer-overflow in OpenDDLParser #5919
Fix parsing of comments at the end of lines for tokens with variable number of elements. (Bug: obj-parsing fails if a comment is at the end of a line of a definition with variable number of elements to read. #5890) by @scschaefer in Fix parsing of comments at the end of lines for tokens with variable number of elements. (#5890) #5891
Fix buffer overflow in MD5Parser::SkipSpacesAndLineEnd by @tyler92 in Fix buffer overflow in MD5Parser::SkipSpacesAndLineEnd #5921
Fix: Fix name collision by @kimkulling in Fix: Fix name collision #5937
Bug/evaluate matrix4x4 access by @kimkulling in Bug/evaluate matrix4x4 access #5936
glTF importers: Avoid strncpy truncating away the ' \0' character by @david-campos in glTF importers: Avoid strncpy truncating away the ' \0' character #5931
Export tangents in GLTF by @JulianKnodt in Export tangents in GLTF #5900
Disable logs for fuzzer by default by @tyler92 in Disable logs for fuzzer by default #5938
Fix docs for aiImportFileExWithProperties to not talk about the importer keeping the Scene alive by @david-campos in Fix docs for aiImportFileExWithProperties to not talk about the importer keeping the Scene alive #5925
Fix stack overflow in LWS loader by @tyler92 in Fix stack overflow in LWS loader #5941
Introduce VRML format (.wrl and .x3dv) 3D model support by @tellypresence in Introduce VRML format (.wrl and .x3dv) 3D model support #5857
Verify negative values in Quake1 MDL header by @tyler92 in Verify negative values in Quake1 MDL header #5940
Fix heap buffer overflow in HMP loader by @tyler92 in Fix heap buffer overflow in HMP loader #5939
pragma warning bug fix when using g++ on windows by @stekap000 in pragma warning bug fix when using g++ on windows #5943
AssbinImporter::ReadInternFile now closes stream before throwing by @david-campos in AssbinImporter::ReadInternFile now closes stream before throwing #5927
Updated Material.cpp to Add Missing Texture Types to String by @crazyjackel in Updated Material.cpp to Add Missing Texture Types to String #5945
Docker: Optimize usage by @kimkulling in Docker: Optimize usage #5948
Bugfix/cosmetic code cleanup by @kimkulling in Bugfix/cosmetic code cleanup #5947
Add arm64-simulator support to iOS build script by @DwayneCoussement in Add arm64-simulator support to iOS build script #5920
Add aiProcess_ValidateDataStructure flag to the fuzzer by @tyler92 in Add aiProcess_ValidateDataStructure flag to the fuzzer #5951
Update OpenDDLParser.cpp by @kimkulling in Update OpenDDLParser.cpp #5953
[AMF] Fix texture mapping by @tellypresence in [AMF] Fix texture mapping #5949
[FBX] Allow export multi materials per node by @JulianKnodt in [FBX] Allow export multi materials per node #5888
Assimp master head fixes for failure to compile by @enginmanap in Assimp master head fixes for failure to compile #5899
Prefix MTL textures with the MTL directory path by @david-campos in Prefix MTL textures with the MTL directory path #5928
Add customExtension support to the scene by @BurntRanch in Add customExtension support to the scene #5954
Avoid exporting all primitives, which are not triangles. by @kimkulling in Avoid exporting all primitives, which are not triangles. #5964
Added GLTF Extension KHR_materials_anisotropy by @luho383 in Added GLTF Extension KHR_materials_anisotropy #5950
Add POST_BUILD option to ADD_CUSTOM_COMMAND by @MikeChemi in Add POST_BUILD option to ADD_CUSTOM_COMMAND #5962
Fix heap buffer overflow in PLY parser by @tyler92 in Fix heap buffer overflow in PLY parser #5956
Optimise building tinyusd library by @Pichas in Optimise building tinyusd library #5959
Add gltf metallic-roughness texture type by @tellypresence in Add gltf metallic-roughness texture type #5968
fix: reduce gltf2 export time by @1323236654 in fix: reduce gltf2 export time #5972
Flag Documentation Fix by @snave333 in Flag Documentation Fix #5978
Doc: Make hint clearer by @kimkulling in Doc: Make hint clearer #5988
Clean STEPFileReader.cpp by @mosfet80 in Clean STEPFileReader.cpp #5973
Update Readme.md: Add new viewer by @kimkulling in Update Readme.md: Add new viewer #5991
Doc: Separate viewer by @kimkulling in Doc: Separate viewer #5995
Use correct data type for animation key by @kimkulling in Use correct data type for animation key #5998
Use ear-cutting library for triangulation by @Saalvage in Use ear-cutting library for triangulation #5977
Fixing PyAssimp misalignment errors with certain structures by @fishguy6564 in Fixing PyAssimp misalignment errors with certain structures #6001
Bugfix/fix mingw issue 5975 by @kimkulling in Bugfix/fix mingw issue 5975 #6005
IFC: Remove redundand check by @kimkulling in IFC: Remove redundand check #6006
Obj: remove smooth-normals postprocessing by @kimkulling in Obj: remove smooth-normals postprocessing #6031
Refactorings: glTF cleanups by @kimkulling in Refactorings: glTF cleanups #6028
Fix memory leak in OpenGEXImporter by @UnionTech-Software in Fix memory leak in OpenGEXImporter #6036
Use std::copy to copy array and remove user destructor to make sure is_trivially_copyable in order to avoid -Wno-error=nontrivial-memcall by @cielavenir in Use std::copy to copy array and remove user destructor to make sure is_trivially_copyable in order to avoid -Wno-error=nontrivial-memcall #6029
Fix: Let OpenGEX accept color3 types by @kimkulling in Fix: Let OpenGEX accept color3 types #6040
ASE: Fix possible out of bound access. by @kimkulling in ASE: Fix possible out of bound access. #6045
MDL: Limit max texture sizes by @kimkulling in MDL: Limit max texture sizes #6046
MDL: Fix overflow check by @kimkulling in MDL: Fix overflow check #6047
Fix: Avoid override in line parsing by @kimkulling in Fix: Avoid override in line parsing #6048
Bugfix: Fix possible nullptr dereferencing by @kimkulling in Bugfix: Fix possible nullptr dereferencing #6049
Potential fix for code scanning alert no. 63: Potential use after free by @kimkulling in Potential fix for code scanning alert no. 63: Potential use after free #6050
ASE: Use correct vertex container by @kimkulling in ASE: Use correct vertex container #6051
CMS: Fix possible overflow access by @kimkulling in CMS: Fix possible overflow access #6052
[OpenGEX] disable partial implementation of light import (causes model load failure) by @tellypresence in [OpenGEX] disable partial implementation of light import (causes model load failure) #6044
Update tinyusdz git hash (fix USD animation) by @tellypresence in Update tinyusdz git hash (fix USD animation) #6034
[draft] Check the hunter build by @kimkulling in [draft] Check the hunter build #6061
NDO: Fix possible overflow access by @yuntongzhang in NDO: Fix possible overflow access #6055
Fix Cinema4D Import by @krishty in Fix Cinema4D Import #6062
Remove Redundant virtual by @krishty in Remove Redundant virtual #6064
feat: created the aiGetStringC_Str() function. by @leliel-git in feat: created the aiGetStringC_Str() function. #6059
Fix Whitespace by @krishty in Fix Whitespace #6063
Harmonize Importer #includes by @krishty in Harmonize Importer #includes #6065
More constexpr by @krishty in More constexpr #6066
Renamed and inlined hasSkeletons() to HasSkeletons() for API consistency by @Alexelnet in Renamed and inlined hasSkeletons() to HasSkeletons() for API consistency #6072
Fix set by @kimkulling in Fix set #6073
Bugfix/ensure collada parsing works issue 1488 by @kimkulling in Bugfix/ensure collada parsing works issue 1488 #6087
Not to export empty "LayerElementNormal" or "LayerElementColor" nodes to fbx by @Riv1s-sSsA01 in Not to export empty "LayerElementNormal" or "LayerElementColor" nodes to fbx #6092
Use unique pointer to fix possible leak by @kimkulling in Use unique pointer to fix possible leak #6104
Refactoring of PR Not to export empty "LayerElementNormal" or "LayerElementColor" nodes to fbx #6092 by @Riv1s-sSsA01 in Refactoring of PR #6092 #6101
fix: Fix build on armv6/armv7 by @yurivict in fix: Fix build on armv6/armv7 #6123
Bugfix: Handling no of texture coordinates correctly by @kimkulling in Bugfix: Handling no of texture coordinates correctly #6124
fix: possible Heap-based Buffer Overflow in ConvertToUTF8 function by @TinyTinni in fix: possible Heap-based Buffer Overflow in ConvertToUTF8 function #6122
Refactor by @kimkulling in Refactor #6127
support for cmake findpackage module mode by @kiroeko in support for cmake findpackage module mode #6121
Replace exception by error in log by @kimkulling in Replace exception by error in log #6133
Fix a out of bound buffer access in ParsingUtils GetNextLine by @qingyouzhao in Fix a out of bound buffer access in ParsingUtils GetNextLine #6134
Fix a bug where string erases throws out of range by @qingyouzhao in Fix a bug where string erases throws out of range #6135
Fix: Support uint16 indices in OpenGEX as well by @kimkulling in Fix: Support uint16 indices in OpenGEX as well #6137
Fix crashes by @kimkulling in Fix crashes #6138
- Only the recognition of KTX2 compressed images as texture objects within the glb model is currently handled. by @copycd in + Only the recognition of KTX2 compressed images as texture objects within the glb model is currently handled. #6139
add missing constants by @daef in add missing constants #6116
Fix warning abut inexistent warning by @limdor in Fix warning abut inexistent warning #6153
Fix: Fix leak when sortbyp failes with exception by @kimkulling in Fix: Fix leak when sortbyp failes with exception #6166
Update contrib/zip to fix data loss warning by @limdor in Update contrib/zip to fix data loss warning #6152
Fix out-of-bounds dereferencing by @Marti2203 in Fix out-of-bounds dereferencing #6150
[Bug: FBX Exporting Error. After Commit number(5888). #5983] Fix bugs introduced in fbx export by @JulianKnodt in [#5983] Fix bugs introduced in fbx export #6000
Doc: add C++ / c minimum by @kimkulling in Doc: add C++ / c minimum #6187
Unreal refactorings by @kimkulling in Unreal refactorings #6182
update draco lib by @mosfet80 in update draco lib #6094
fix: missing OS separator in outfile by @Latios96 in fix: missing OS separator in outfile #6098
Add Missing Strings to aiTextureTypeToString by @crasong in Add Missing Strings to aiTextureTypeToString #6188
Fix issue compiling when assimp added as subdirectory by @plemanski in Fix issue compiling when assimp added as subdirectory #6186
Add clamping logic for to_ktime by @Marti2203 in Add clamping logic for to_ktime #6149
Add explicit "fallthrough" to switch by @tellypresence in Add explicit "fallthrough" to switch #6143
Fix HUNTER_ERROR_PAGE by @deccer in Fix HUNTER_ERROR_PAGE #6200
Fix a bug in importing binary PLY file (fix typo #1) by @yurik42 in Fix a bug in importing binary PLY file (#1) #6060
Fix export fbx PolygonVertexIndex by @Riv1s-sSsA01 in Fix export fbx PolygonVertexIndex #6102
fix: closes Bug: Stack-based Buffer Overflow in Assimp::MD2Importer::InternReadFile #6069 CVE-2025-3196 by @VinzSpring in fix: closes #6069 CVE-2025-3196 #6154
Fix: Add "preservePivots" condition when importing FBX animation by @Nor-s in Fix: Add "preservePivots" condition when importing FBX animation #6115

New Contributors

@Begasus made their first contribution in Fix building on Haiku #5255
@ockeymm made their first contribution in Reduce memory consumption in JoinVerticesProcess::ProcessMesh() signi… #5252
@fvbj made their first contribution in Extension of skinning data export to GLB/GLTF format #5243
@JulianKnodt made their first contribution in Fix Spelling error #5295
@sloriot made their first contribution in use size in order to be compatible with float and double #5270
@Ipomoea made their first contribution in Fix: Implicit Conversion Error #5271
@aumuell made their first contribution in link to external minizip with full path #5278
@TarcioV made their first contribution in utf8 header not found #5279
@copycd made their first contribution in fix mesh-name error. #5294
@cuppajoeman made their first contribution in Update Readme.md #5312
@ttxine made their first contribution in Fix buffer overflow in FBX::Util::DecodeBase64() #5322
@Futuremappermydud made their first contribution in Fix target names not being imported on some gLTF2 models #5356
@MarkaRagnos0815 made their first contribution in fixed several issues #5359
@0xf0ad made their first contribution in fix building errors for MinGW #5376
@seanth made their first contribution in Fix for issues #5422, #3411, and #5443 -- DXF insert scaling fix and colour fix #5426
@tigert1998 made their first contribution in Update StbCommon.h to stay up-to-date with stb_image.h. #5436
@GalenXiao made their first contribution in feat:1.add 3mf vertex color read 2.fix 3mf read texture bug #5361
@Th3T3chn0G1t made their first contribution in Fix PyAssimp under Python >= 3.12 and macOS library search support #5397
@etam made their first contribution in ColladaParser: check values length #5462
@adfwer233 made their first contribution in Eliminate non-ascii comments in clipper #5480
@LukasBanana made their first contribution in Fix compilation for MSVC14. #5490
@thenanisore made their first contribution in Fix utDefaultIOStream test under MinGW #5525
@RoboSchmied made their first contribution in Fix typos #5518
@AlexTMjugador made their first contribution in Add initial macOS support to C4D importer #5516
@tomheaton made their first contribution in Fix: add missing import for AI_CONFIG_CHECK_IDENTITY_MATRIX_EPSILON_DEFAULT #5507
@alexrp made their first contribution in CMake: Allow linking draco statically if ASSIMP_BUILD_DRACO_STATIC is set. #5535
@ZeunO8 made their first contribution in add some ASSIMP_INSTALL checks #5545
@Succ3s made their first contribution in Fix SplitByBoneCount typo that prevented node updates #5550
@johannesugb made their first contribution in Reverts the changes introduced by commit ad766cb in February 2022. #5542
@xiaoxiaopifu made their first contribution in fix a collada import bug #5561
@uyjulian made their first contribution in glTF2Importer: Support .vrm extension #5569
@dbs4261 made their first contribution in Temporary fix for #5557 GCC 13+ build issue -Warray-bounds #5577
@vengine made their first contribution in Fix a bug that could cause assertion failure. #5575
@BradlyLanducci made their first contribution in Converted a size_t to mz_uint that was being treated as an error #5600
@micott made their first contribution in fix PLY binary export color from float to uchar #5608
@ycn2022 made their first contribution in Some FBXs do not have "Materials" information, which can cause parsing errors #5624
@ThatOSDev made their first contribution in Update zip.c #5639
@mapret made their first contribution in Fix names of enum values in docstring of aiProcess_FindDegenerates #5640
@thearchivalone made their first contribution in Fix: StackAllocator Undefined Reference fix #5650
@sgayda2 made their first contribution in Fix a fuzz test heap buffer overflow in mdl material loader #5658
@JensEhrhardt-eOPUS made their first contribution in CalcTangents: zero vector is invalid for tangent/bitangent #5432
@Kimbatt made their first contribution in FBX exporter - handle multiple vertex color channels #5695
@natevm made their first contribution in Fixing static builds on Windows #5713
@mkuritsu made their first contribution in Added AND condition in poly2tri dll_symbol.h to only define macros fo… #5693
@Sanchikuuus made their first contribution in Added more Maya materials #5101
@imdongye made their first contribution in Fix to check both types of slashes in GetShortFilename #5728
@ochafik made their first contribution in Fix casting typo in D3MFExporter::writeBaseMaterials #5681
@fuhaixi made their first contribution in FBX: add metadata of ainode as properties #5675
@AKosmachyov made their first contribution in feat: add option for creating XCFramework and configure minimum iOS target #5648
@Fav made their first contribution in The total length is incorrect when exporting gltf2 #5647
@cla7aye15I4nd made their first contribution in Fix invalid access #5765
@lxw404 made their first contribution in FBX Import - Restored Absolute Transform Calculation #5751
@PatrickDahlin made their first contribution in Fix naming in aiMaterial comment #5780
@Pichas made their first contribution in Fix for build with ASSIMP_BUILD_NO_VALIDATEDS_PROCESS #5774
@chefrolle695 made their first contribution in Fixed bug in DefaultLogger::set #5826
@qingyouzhao made their first contribution in Fix a bug in the assbin loader that reads uninitialized memory #5801
@mischmit made their first contribution in Store current exception when caught in ASSIMP_CATCH_GLOBAL_EXCEPTIONS #5810
@AMZN-Gene made their first contribution in Cleanup Unit Tests Output #5852
@jwbla made their first contribution in Update CMakeLists.txt to fix gcc/clang++ issue #5863
@david-campos made their first contribution in Try to resolve image paths by replacing backslashes or forward slashes in EmbedTexturesProcess #5844
@miselin made their first contribution in Fix potential uninitialized variable in clipper #5881
@hankarun made their first contribution in Fix compiler error when double precision is selected, #5902
@HandsomeXi made their first contribution in bugfix: Fixed the issue that draco compressed gltf files cannot be lo… #5883
@lijenicol made their first contribution in pbrt: Validate mesh in WriteMesh before AttributeBegin call #5884
@kursataktas made their first contribution in Introducing assimp Guru on Gurubase.io #5887
@tyler92 made their first contribution in Fix use after free in the CallbackToLogRedirector #5918
@scschaefer made their first contribution in Fix parsing of comments at the end of lines for tokens with variable number of elements. (#5890) #5891
@stekap000 made their first contribution in pragma warning bug fix when using g++ on windows #5943
@crazyjackel made their first contribution in Updated Material.cpp to Add Missing Texture Types to String #5945
@DwayneCoussement made their first contribution in Add arm64-simulator support to iOS build script #5920
@BurntRanch made their first contribution in Add customExtension support to the scene #5954
@MikeChemi made their first contribution in Add POST_BUILD option to ADD_CUSTOM_COMMAND #5962
@1323236654 made their first contribution in fix: reduce gltf2 export time #5972
@snave333 made their first contribution in Flag Documentation Fix #5978
@fishguy6564 made their first contribution in Fixing PyAssimp misalignment errors with certain structures #6001
@UnionTech-Software made their first contribution in Fix memory leak in OpenGEXImporter #6036
@cielavenir made their first contribution in Use std::copy to copy array and remove user destructor to make sure is_trivially_copyable in order to avoid -Wno-error=nontrivial-memcall #6029
@yuntongzhang made their first contribution in NDO: Fix possible overflow access #6055
@leliel-git made their first contribution in feat: created the aiGetStringC_Str() function. #6059
@Alexelnet made their first contribution in Renamed and inlined hasSkeletons() to HasSkeletons() for API consistency #6072
@yurivict made their first contribution in fix: Fix build on armv6/armv7 #6123
@kiroeko made their first contribution in support for cmake findpackage module mode #6121
@limdor made their first contribution in Fix warning abut inexistent warning #6153
@Marti2203 made their first contribution in Fix out-of-bounds dereferencing #6150
@Latios96 made their first contribution in fix: missing OS separator in outfile #6098
@crasong made their first contribution in Add Missing Strings to aiTextureTypeToString #6188
@plemanski made their first contribution in Fix issue compiling when assimp added as subdirectory #6186
@deccer made their first contribution in Fix HUNTER_ERROR_PAGE #6200
@yurik42 made their first contribution in Fix a bug in importing binary PLY file (#1) #6060
@VinzSpring made their first contribution in fix: closes #6069 CVE-2025-3196 #6154

Full Changelog: v5.3.1...v6.0.0

This discussion was created from the release The Assimp 6.0.0 Major Release.

Replies: 0 comments

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment