v2.4.1

What's Changed

Volumetric

• 3djan/merge implicit by @3dJan in #394
• 3djan/improve api by @3dJan in #396
• Introduce a set of Cpp examples for the new volumetric extension by @vijaiaeroastro in #400

Trianglesets

• Trianglesets by @gangatp in #404

Bugfixes

• Switch version in all the required places + A Python script to automatically make the version change in required places by @vijaiaeroastro in #373
• updating zlib 1.3.1 by @gangatp in #374
• Avoid duplicate resource ids by @vijaiaeroastro in #386
• Source/Common/Platform: Explicitly include by @csfore in #387
• ACT update 06f9086d0c9ec906570076b4b6ed6ed05e2fa976 by @gangatp in #403
• Introduce Golang examples by @vijaiaeroastro in #390
• Fixed CSharp bindings @gangatp

New Contributors

• @csfore made their first contribution in #387

Bindings

Python wheels are uploaded as artifacts in github releases @vijaiaeroastro

Full Changelog: v2.3.1...v2.4.1

v.2.4.1-alpha

What's Changed

Volumetric

• 3djan/merge implicit by @3dJan in #394
• 3djan/improve api by @3dJan in #396
• Introduce a set of Cpp examples for the new volumetric extension by @vijaiaeroastro in #400

Trianglesets

• Trianglesets by @gangatp in #404

Bugfixes

• Switch version in all the required places + A Python script to automatically make the version change in required places by @vijaiaeroastro in #373
• updating zlib 1.3.1 by @gangatp in #374
• Avoid duplicate resource ids by @vijaiaeroastro in #386
• Source/Common/Platform: Explicitly include by @csfore in #387
• ACT update 06f9086d0c9ec906570076b4b6ed6ed05e2fa976 by @gangatp in #403
• Introduce Golang examples by @vijaiaeroastro in #390

New Contributors

• @csfore made their first contribution in #387

Post release updates

• Publish Python wheels for 2.4.1-alpha as 2.4.1a1. The naming is based on PEP 440 [Updated on Feb 23, 2025] @vijaiaeroastro

Full Changelog: v2.3.2...v.2.4.1-alpha

v2.3.2

This is the release for version 2.3.2 of lib3mf.

Full Changelog: v2.3.1...v2.3.2

What's Changed

• Release/2.3.1 into develop by @gangatp in #354
• fixing whitespace in string to double conversion by @gangatp in #357
• Update CMakeLists.txt to ignore cmake_osx_architecture in TESTS by @gangatp in #362
• Python examples by @vijaiaeroastro in #365
• Integration tests by @vijaiaeroastro in #367
• Edit Commit message by @vijaiaeroastro in #368
• Issue 363: changing double factor from int to long long by @gangatp in #369
• Include a additional entry to build.yml to pack source code + submodules by @vijaiaeroastro in #372
• update zlib to 1.3.1 by @gangatp in #376

Post release updates

• Fixed an issue with the source code packaged with submodules based on feedback [Updated on September 6, 2024] @vijaiaeroastro
• Publish Python wheels with version 2.3.2.post1 https://pypi.org/project/lib3mf/2.3.2.post1/ [Updated on Feb 23, 2025] @vijaiaeroastro

v2.3.1

This is the release for version 2.3.1 of lib3mf.

Version 2.3.1 adds new functionality. The changes compared to version 2.3.0 are:

What's Changed

• Fixed ReadTheDocs Documentation
• Removed Alpha tag in the product version
• Added debug artifacts for windows and mac in GitHub actions

Post release updates

• Publish Python wheels with version 2.3.1.post5 https://pypi.org/project/lib3mf/2.3.1.post5/ [Updated on Feb 23, 2025] @vijaiaeroastro

v2.3.0

This is the release for version 2.3.0 of lib3mf.

Version 2.3.0 adds new functionality. The changes compared to version 2.2.0 are:

Highlights

• lib3mf now uses fast_float: Reading 3mf files is now ~ 12% faster (when reading the official test-suite) and reading floating point numbers is now locale-independent.
• key 3rd party libraries have been updated:
  fast_float v6.0.0
  zlib v1.3
  cpp-base64 v2.rc.08
  libzip v1.10.1

What's Changed

• 32bit fixes experimental by @martinweismann in #253
• Issue-293: make override part names absolute by @martinweismann in #294
• [Issue#291]updating algorithm to use RFC1951 rather than RFC1950 by @feliperoos in #292
• Add a test for a duplicate startPart relationship by @martinweismann in #301
• Fix reading of broken composite element by @martinweismann in #303
• Handle duplicate transform attributes by @martinweismann in #302
• Add support for RTTI to lib3mf by @martinweismann in #300
• Add GetResourceByID method by @martinweismann in #304
• Fix MergeToModel for mesh without properties by @martinweismann in #309
• Clarify behavior of Attachment::ReadFrom*-methods by @martinweismann in #283
• Add a possibility not to strip binaries by @martinweismann in #310
• Add platform native GUID creation by @martinweismann in #312
• Update google test, update to C++14 by @martinweismann in #311
• Updating build.yml to fix failing ci builds by @3dJan in #324
• Using fast_float to do local independent parsing by @3dJan in #325
• Fixing code coverage by @gangatp in #330
• Updating Lib3MF dependent libraries by @gangatp in #336
• Linux build using ubi8 and gcc12 by @gangatp in #338
• fixing fast float stod conversion according to ST_Number schema specification by @gangatp in #339
• lib3mf 2.3.0-alpha version by @gangatp in #340

New Contributors

• @3dJan made their first contribution in #324

Full Changelog: v2.2.0...v2.3.0

Version 2.3.0-alpha

This is the alpha pre-release for version 2.3.0 of lib3mf.

Version 2.3.0 adds new functionality. The changes compared to version 2.2.0 are:

Highlights

• lib3mf now uses fast_float: Reading 3mf files is now ~ 12% faster (when reading the official test-suite) and reading floating point numbers is now locale-independent.
• key 3rd party libraries have been updated:
  fast_float v6.0.0
  zlib v1.3
  cpp-base64 v2.rc.08
  libzip v1.10.1

What's Changed

• 32bit fixes experimental by @martinweismann in #253
• Issue-293: make override part names absolute by @martinweismann in #294
• [Issue#291]updating algorithm to use RFC1951 rather than RFC1950 by @feliperoos in #292
• Add a test for a duplicate startPart relationship by @martinweismann in #301
• Fix reading of broken composite element by @martinweismann in #303
• Handle duplicate transform attributes by @martinweismann in #302
• Add support for RTTI to lib3mf by @martinweismann in #300
• Add GetResourceByID method by @martinweismann in #304
• Fix MergeToModel for mesh without properties by @martinweismann in #309
• Clarify behavior of Attachment::ReadFrom*-methods by @martinweismann in #283
• Add a possibility not to strip binaries by @martinweismann in #310
• Add platform native GUID creation by @martinweismann in #312
• Update google test, update to C++14 by @martinweismann in #311
• Updating build.yml to fix failing ci builds by @3dJan in #324
• Using fast_float to do local independent parsing by @3dJan in #325
• Fixing code coverage by @gangatp in #330
• Updating Lib3MF dependent libraries by @gangatp in #336
• Linux build using ubi8 and gcc12 by @gangatp in #338
• fixing fast float stod conversion according to ST_Number schema specification by @gangatp in #339
• lib3mf 2.3.0-alpha version by @gangatp in #340

New Contributors

• @3dJan made their first contribution in #324

Full Changelog: v2.2.0...v2.3.0-alpha

Version 2.2.0: Mac Universal Binary

Version 2.2.0 adds new functionality. The changes compared to version 2.1.1 are:

• lib3mf now runs on Mac arm64. The SDK package attached to this release contains an x86-64 binary and a universal Mac-OS binary.
• Attachments can now be read via a callback Attachment::ReadFromCallback

Version 2.1.1: libzip/zlib update and bug fixes

Version 2.1.1 fixes bugs:

• updates libzip to v1.7.3.1 and zlib to v 1.2.11.
• only marks the secure content extension as required if it is really required according to the specification.
• resolves a security issue (double free / use after free) in the usage of of libzip (https://talosintelligence.com/vulnerability_reports/TALOS-2020-1226)

Version 2.0.1: security update

Version 2.0.1 resolves a security issue (double free / use after free) in the usage of of libzip (https://talosintelligence.com/vulnerability_reports/TALOS-2020-1226).

Version 2.1.0: Secure Content Extension

Version 2.1.0 adds new functionality. The changes compared to version 2.0.0 are:

• Support for the Secure Content Extension of the 3MF format https://github.com/3MFConsortium/spec_securecontent/blob/master/3MF%20Secure%20Content.md. A minimal example for reading and writing is in the binary SDK (under Examples/Cpp/Source/SecureCube.cpp), as well as here in the tests: Tests/CPP_Bindings/Source/EncryptionMethods.cpp.
  Note that lib3mf does not provide the cryptographic algorithms specified in the Secure Content extension. The tests of lib3mf make use of https://www.libressl.org/.
• Write-support for the Production Extension with non-root models https://github.com/3MFConsortium/spec_production/blob/master/3MF%20Production%20Extension.md.
• Support for version 1.1.0 of the beamlattice extension
  https://github.com/3MFConsortium/spec_beamlattice/releases/tag/1.1.0
• A small number of bugs have been fixed.