mayaMatchMoveSolver-v0.6.1

The v0.6.1 release contains a bug fix for the Simplify Animation Curves tool.

Full Changelog: v0.6.0...v0.6.1

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What's Changed?

• Simplify Animation Curves: Simplify Animation Curves - Simplify animation curves in Maya using advanced curve fitting techniques with fit quality metrics.

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Known Problems

• Simplify Animation Curves
  • Fails to load in Maya 2020.
• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, Maya 2022+ on Linux, due to build complexity and OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.6.0

The v0.6.0 release contains a major build system overhaul, a new Animation Curve Simplification tool, and significant performance improvements.

Full Changelog: v0.5.8...v0.6.0

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What's Changed?

• New Tool: Simplify Animation Curves - Simplify animation curves in Maya using advanced curve fitting techniques with fit quality metrics.
• Faster Build Times: Build times reduced ~40% through build system optimisations.
• Blender Integration Fix: Fixed export tracks from Blender v3.4+ due to API changes in MovieTrackingCamera.principal → MovieTrackingCamera.principal_point (#282).
• Dropped Maya 2020 Support on Linux: Maya versions below 2022 are no longer supported on Linux due to build complexity. Windows still supports Maya 2020+.

What's Changed? - For Developers

• Major Build System Overhaul:

  • Added universal "make" build scripts for cross-platform consistency.
  • Centralised build configuration and directory management.
  • Vendored key dependencies (Eigen, CMinpack, glog, Ceres Solver) to eliminate external dependency management.
  • Merged mmSolverLibs with mmSolver for simplified build process.
  • Removed support for Maya versions below 2022 on Linux and below 2020 on Windows.

• New Core Libraries:

  • Added mmoptimise Rust library for curve fitting, replacing "argmin" dependency and reducing binary size.
  • Implemented Dual numbers for Automatic Differentiation, enabling exact derivative calculations.
  • Added curve fitting benchmarks and performance optimisations.

• New Maya Commands:

  • mmAnimCurveStatistics - Calculate comprehensive statistics on animation curves
  • mmAnimCurveDiffStatistics - Compare statistical differences between animation curve datasets

• Code Quality Improvements:

  • Removed CubicSpline interpolation (replaced by QuadraticNUBS curves for better performance).
  • Updated curve fitting to use generics with Dual numbers.

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Known Problems

• Simplify Animation Curves
  • Fails to load in Maya 2020.
  • The Load the mmSolver plugin (such as opening the Solver UI) before opening the Simplify Animation Curves UI.
• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, Maya 2022+ on Linux, due to build complexity and OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.8

The v0.5.8 release contains fixes for the Solver when solving Maya character rigs.

Full Changelog: v0.5.7...v0.5.8

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What's Changed?

• Drastically improves the solver's performance when solving Maya character rigs.

What's Changed? - For Developers

• mmSolverAffects
  • Added new "node names" graphMode implementation, which uses DAG paths and is much faster than the existing "normal" method, at the cost of accuracy in some edge cases.
  • Changed the default implementation of the graphMode flag, to the new "node names".

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Known Problems

• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.7

The v0.5.7 release contains fixes for the Solver, and the Ray-Casting tool, as well as disabling AVX/AVX2 CPU Instruction support, to support older hardware (10+ years old).

Full Changelog: v0.5.6...v0.5.7

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What's Changed?

• Fixed Maya crash when a camera has an expression on it's attributes.
  ** Expressions are not supported on cameras - please bake or delete the expressions.
• Ray-Cast tool - Fix Marker/Bundle mismatch when lens distortion on the camera.

What's Changed? - For Developers

• Replaced checking macros to give more information about the build information.
• mmSolverAffects - changed the graphMode flag option "simple", please use "object" instead for the same behaviour.
• Changed the internals of mmSolverAffects, to avoid errors for edge cases.
• Internal changes to Animation Curve algorithms.
• Changed to building with only SSE4.2 instructions - building for machines with AVX/AVX2 has been removed for maximum compatibility with older machines.

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Known Problems

• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.6

The v0.5.6 release introduces a new Viewport Display Presets cycling tool with convenient hotkeys, fixes Qt 6.x compatibility issues for Maya 2025/2026, and includes documentation updates and build system improvements.

Full Changelog: v0.5.5...v0.5.6

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What's Changed?

• New Viewport Display Presets Tool (#277)
  • Added new tool to cycle through viewport display presets with hotkeys (see docs).
  • Forward cycling: ` (backtick) key.
  • Backward cycling: ALT+` (ALT + backtick) key.
  • Tool is accessible from shelves and menus.
• Maya 2025/2026 Compatibility
  • Fixed issue where windows would get stuck behind main window in Qt 6.x.
  • Added Qt.WindowStaysOnTopHint flag to maintain proper window behavior.
• Documentation Improvements
  • Updated Center 2D Tool documentation to reflect mesh component support.
  • Added comprehensive hotkey documentation including the new Viewport Display Preset hotkeys.
  • Improved Viewport Toggle and Hold-Out tools documentation.

What's Changed? - For Developers

• Build System Improvements
  • Fixed Maya 2019 build on Linux by adding missing 'MPlugArray.h' include.
  • Moved OpenMVG to ./lib/thirdparty/ directory for better organization.
• Bug Fixes
  • Fixed menu creation issue when multiple dividers (---) are present in menu definitions.

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Known Problems

• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.5

The v0.5.5 release brings major improvements to the Center 2D tool with multi-object and component support, along with build system enhancements for Maya 2025/2026 and several important bug fixes.

Full Changelog: v0.5.4...v0.5.5

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What's Changed?

• Center 2D Tool - Multi-Object and Component Support
  • Added long-awaited ability to center on multiple objects at once.
  • Added support for mesh components (vertex, edge, face) centering.
  • Improved Center 2D tool workflow and functionality.
• Fixed mmImagePlane2 crash when ImageCache is set to zero.
• Updated documentation with proper Center 2D Offset image naming.

What's Changed? - For Developers

• Build System Improvements
  • Added support for Maya 2026 builds.
  • Extracted OpenColorIO source code into build directory for cleaner source tree.
  • Added missing build scripts for Maya 2025/2026.
• Added "Point from Object Set" node for enhanced Center 2D operations.
• Improved crash debugging by waiting for log messages to flush before Maya abort.
• Fixed minor C++ compiler warnings, and removing unneeded code (no change in behaviour).

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Known Problems

• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.4

The v0.5.4 release focused on fixes and improvements for the Solver UI, Camera Solver, and fixes the sliders in the Center 2D Offsets window.

Full Changelog: v0.5.3...v0.5.4

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What's Changed?

• Solver UI
  • Root Frames list removed for cleaner and faster experience.
  • Add tooltips to provide helpful documentation directly in the UI.
• Fixed Camera Solver quality and improved performance.
• Fixed Center 2D Offsets window (#279)
  • The connected camera is displayed.
  • The horizontal/vertical sliders work consistently.
  • Added Center 2D Offsets window to menus and documentation page.

What's Changed? - For Developers

• The mmCameraRelativePose command was fixed - the mapping between markers and bundles was wrong, which caused large issues in Camera Solver.
• Changed Ceres LMDER solver to automatically switch to sparse matrix solver for large solves improving performance for large solves.
• Add ./scripts/build_mmsolver_all.bat file to build mmSolver for Linux and Windows in one command.

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Known Problems

• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.3

The v0.5.3 release adds updated Load Markers UI features (and 3DEqualizer exporter scripts). and a new Ceres Solver backend for testing.

Full Changelog: v0.5.2...v0.5.3

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What's Changed?

• Maya Load Markers - 3DE Points Export as World-Space Bundle Position (#275 )
  • Add User Preference to control the default "Bundle Space" option.
  • Changed default behaviour so that Bundle positions are loaded in world-space by default.
• Maya Load Markers - Rename Markers/Bundles Option (#274)
  • Add option to give markers (and bundles) a new name.
• Add Ceres Solver backend (#174)
  • Add User Preference to show "Developer" solver options.
  • Add "Ceres LMDER" solver (similar to "CMinpack LMDER")
  • Add "Ceres Line Search LBGFS" experimental solver.
  • Fixed the solver validation and "affects" logic, to cache edge cases, reduce redundant evaluations and improve performance.
• 3DEqualizer Copy/Export Track Markers - Fixed not exporting last frame of camera data.

What's Changed? - For Developers

• Minor change to Docker documentation - please run provided Dockerfiles with "bash" argument.
• Fixed Google "glog" symbol linking on Linux.
  • Add "MMSOLVER_USE_GLOG" option.
• Fixed and refined the entire test suite to validate the solver and tools.
  • All tests pass.
  • Updated test data.
  • The Garage camera solver test has been skipped do to the excessive time taken to complete the solve (30 to 60 mins).
• Removed use of C-style "assert" macro, with custom macro, and add runtime assertions (even in release mode).
• Removed clang-format used in GitHub actions (continuous integration) - it was unneeded and was always failing and provided no benefit.
• Improved build-system for overriding builds using the BUILD_DIR_BASE environment variable.
• Auto-generate compile_commands.json file for clang-tidy usage.
• Embedded build-info (time/date and git commit/branch, etc) into the plug-in executable, to provide better crash information for debugging.
• Add visual Python Profile build instructions (see tests/profile/README.md file for details).
• Rename argument/parameter "epsilon1" to "function_tolerance".
• Rename argument/parameter "epsilon2" to "parameter_tolerance".
• Rename argument/parameter "epsilon3" to "gradient_tolerance".
• Enable AVX and AVX2 instructions for OpenMVG.
• Include source code archives for OpenColorIO-2.2.1 and OpenColorIO-2.3.2, to avoid needing to download archives.
• 3Dequalizer Copy Tracks (mmSolver) and 3Dequalizer Export Tracks (mmSolver) tools;
  • Use Python with context to for opening/writing files.

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Known Problems

• MM Renderer - Rotate Manipulator Obscures Silhouette (#276)
• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.2

The v0.5.2 release fixes a solver bug Maya 2024+ on Linux (#273), adds 3DEqualizer Anamorphic Degree 6 lens distortion model support (#272), and adds a Attribute Curve Filter Pops tool.

Full Changelog: v0.5.1...v0.5.2

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What's Changed?

• Fix Solver bug affecting Maya 2024+ on Linux only (#273)
• Add Attribute Curve Filter Pops tool - used to remove pops from animation curves.
• Add 3DEqualizer Anamorphic Standard Degree 6 lens distortion model (#272).
• New Documentation pages intended to be easier to understand.
  • Quick Start Guide
  • Solver Concepts

What's Changed? - For Developers

• Refactoring of how to add Lens Distortion models, with README file.
• Added mmAnimCurveFilterPops command.
• Build system updates
  • Update LDPK from 2.8 to 2.12.0.

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Known Problems

• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.

mayaMatchMoveSolver-v0.5.1

The v0.5.1 release improves the Mesh from Points tool, brings support for Maya 2025, and many more tools and bug fixes.

Full Changelog: v0.5.0...v0.5.1

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What's Changed?

• Support for Maya 2025, with Qt6 and PySide6 (#251).
  • NOTE: Support for docking the Solver UI was removed with support for Maya 2025 due to a bug (#267)
• Mesh from Points tool was improved to remove the need for a camera view.
• Added "Create Aligned Plane From Points" tool
• Surface Cluster tool now works with component selections; vertex, edge, face (#253).
• Support for solving Maya "alias attributes" in mmSolver's Solver UI and API.

What's Changed? - For Developers

• Removal of old legacy Solver UI widgets that have been deprecated since v0.2.x.
• Added mmBestFitPlane command.
• Added Animation Curve features; Curve Fitting, Pop detection, Keypoint detection, curve velocity calculations,
• Added Statistical calculation functions.
• Cleaned up C++ code using static analyser.
• Added some internal support for reading OpenEXR images as 16-bit half data type (not exposed to Maya plug-in, yet).
• Changed OpenEXR test image detection, for easier testing.
• Added ./scripts/test_mmSolver_windows64_maya*.bat scripts, to make testing easier on Windows.
• Build system updates
  • Updated Rust dependencies (CXX, etc)
  • Requires Rust 1.67+
  • Qt.py updated from v1.2.0 to v1.4.1 (for support for PySide6)

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Known Problems

• Docking the Solver UI is no longer supported due to a bug in Maya 2025 (#267)
• Only Maya 2020+ is supported on Windows, due to the OpenColorIO (v2.2.x) dependency.
• Markers are not distorted by Lens Distortion in Maya 2023.0, and 2023.1.
  • Please upgrade to (at least) Maya 2023.2.
• MM Renderer incorrectly displays selection in Maya 2022.0.
  • Please upgrade to (at least) Maya 2022.1.
• Solving Lens Distortion does not act correctly in some cases - this is being actively developed and improved - please report bugs.
• There are lens distortion update issues in the Maya viewport with Markers and Lines node types.

---

Please report any bugs or suggestions you find in this release here and clearly state the version of mmSolver you are testing.