Changelog#

[1.1.6] - 2025-08-07#

Changed#

  • Change OS for PyPi package

[1.1.5] - 2025-08-04#

Changed#

  • Bug when enabling rule and requirements.

[1.1.4] - 2025-07-30#

Changed#

  • Fix CLI import error.

  • Add Requirements documentation.

  • Allow rules and requirements to run in a single engine.

[1.1.3] - 2025-07-29#

Changed#

  • Hyphens are not allowed in component_name.

[1.1.2] - 2025-07-29#

Changed#

  • Use JFrog CLI to publish to PyPi.

[1.1.1] - 2025-07-28#

Fixed#

  • AlmostExtremeExtentChecker: Missing documentation

  • PointsPrecisionErrorChecker, PointsPrecisionWarningChecker: Missing documentation

  • Pypi: Fixing License. Fixing script. Fixing Python version.

[1.1.0] - 2025-07-23#

Added#

  • Features: An additional class to Requirements, Capabilities and Profiles

  • ContainsMeshChecker: SimReady validator.

  • UpAxisZChecker: SimReady validator.

  • MetersPerUnit1Checker: SimReady validator.

Changed#

  • DefaultPrimChecker: Add requirements information.

  • ProfileRegistry: Supports versioning.

Changed#

  • Update License to Apache 2

[1.0.0] - 2025-07-16#

Changed#

  • OAV used in production should be marked as 1.0.0.

  • Updates in documentation.

[0.31.0] - 2025-07-15#

Fixed#

  • Capabilities: Support for versioned capabilities.

  • Updated documentation

[0.30.1] - 2025-07-14#

Fixed#

  • Deprecation messages going to logging warnings.

[0.30.0] - 2025-07-10#

Fixed#

  • Documentation: Update testing documentation.

  • Documentation: Update contribution guidelines.

[0.29.1] - 2025-07-03#

Fixed#

  • Requirements: Expose Requirement.

[0.29.0] - 2025-06-30#

Added#

  • Requirements: Expose Capability and Profile.

  • Requirements: Allow to override requirements in register_requirements.

Fixed#

  • Documentation: Performance rules were missing.

  • Documentation: Update CLI.

  • Requirements: Allow to hash external requirements.

[0.28.1] - 2025-06-19#

Fixed#

  • Missing definitions in omni.asset_validator.core.tests (used in downstream extensions).

  • Fixed conditions in new kit sdk not fixed in previous kit sdk.

[0.28.0] - 2025-06-18#

Added#

  • Support for Kit 108

[0.27.1] - 2025-05-30#

Fixed#

  • No updates.

[0.27.0] - 2025-05-27#

Added#

  • AlmostExtremeExtentChecker: New rule.

  • PointsPrecisionChecker: New rules with different severity.

Fixed#

  • ComplianceChecker: Improve performance.

[0.26.0] - 2025-05-27#

Added#

  • Infrastructure: ARM cloud front packages.

Fixed#

  • ZeroAreaFaceChecker: Report errors as warnings.

  • DefaultPrimChecker: Missing test case.

[0.25.3] - 2025-05-13#

Fixed#

  • ARM builds.

[0.25.2] - 2025-05-09#

Fixed#

  • ZeroAreaFaceChecker: Fix arithmetic stability error.

[0.25.1] - 2025-05-07#

Fixed#

  • Hide requirements from documentation.

[0.25.0] - 2025-05-06#

Added#

  • Add tags to Issue class.

Fixed#

  • All rules: Use requirement field.

  • AtomicAssetChecker: Add requirements.

  • AtomicAssetChecker: Fix errors when run on empty stage.

  • AtomicAssetChecker: Fix MDL portability warnings.

  • WeldChecker: Fix error on condition.

  • Physics rules: Add requirements.

  • MaterialUsdPreviewSurfaceChecker: add support for sourceColorSpace, previously invalid values were permitted.

  • MaterialUsdPreviewSurfaceChecker: validate connected inputs, previously they were skipped

  • MaterialUsdPreviewSurfaceChecker: validate ouputs, previously they were skipped

[0.24.0] - 2025-04-29#

Added#

  • AtomicAssetChecker: Added.

  • StageMetadataChecker: Added requirements.

  • add_registry_rule_callback: Get notifications of rule registration.

Fixed#

  • Update Capabilities definitions

[0.23.1] - 2025-04-22#

Fixed#

  • Added UsdPhysics rules

[0.22.1] - 2025-04-13#

Fixed#

  • Fixing publishing process.

[0.22.0] - 2025-04-11#

Added#

  • Support for OpenUSD 24.11 and 25.02.

Fixed#

  • ValidationEngine: enable_requirements shown many results.

  • ValidationEngine: Certain errors do not trigger progress.

  • Command Line Interface: error get lost in summary.

  • ManifoldChecker: Fix for non-manifold edges.

[0.21.0] - 2025-04-01#

Added#

  • Add Capabilities to Command Line Interface.

  • API compatibility checks.

Fixed#

  • Fix crash when fixing prims on the asset validator anonymous session layer.

[0.20.0] - 2025-03-18#

Added#

  • Associate requirements to Validators

  • Document requirements implemented by Validators

  • Link requirement to the Content Capabilities documentation

Fixed#

  • Multiple fixes in documentation

  • WeldChecker: Uncaught error index out of range.

[0.19.0] - 2025-03-11#

Added#

  • Add content capabilities

  • Add capabilities and requirements registry

  • Add code and requirement attributes to Issue class

Fixed#

  • GroundTruthCapabilityChecker: Updates checker to current specification

[0.18.3] - 2025-02-27#

Fixed#

  • VehicleCapabilityChecker: Treat ‘tank’ and ‘none’ tokens as synonyms for vehicle steering

  • UnusedMeshTopologyChecker: Supports for numpy.

[0.18.2] - 2025-02-17#

Fixed#

  • Fix false positive GroundTruthCapabilityChecker validation issues when a prim’s semantic:<instance_name>:params:semanticData attribute is formatted as a QCode. An example of a false positive validation message is: “SemanticsAPI instance <instance_name> doesn’t have expected semanticType value. Expected ‘wikidata_qcode’, found .”

  • ManifoldChecker: Supports for numpy.

  • IndexedPrimvarChecker: Supports for numpy.

[0.18.1] - 2025-01-30#

Fixed#

  • Fix a bug when writing CSV file through the command line interface.

  • Add missing legal headers to Python files.

[0.18.0] - 2025-01-28#

Added#

  • Add numpy implementation for has empty faces.

[0.17.0] - 2025-01-08#

Added#

  • Add MaterialOldMdlSchemaChecker to validate Shaders are not using the deprecated MDL schema and fix those that are.

  • Add UnicodeNameChecker to warn users about ambiguous siblings and non-normalized paths

Fixed#

  • Catch I/O errors on saving fixes.

[0.16.2] - 2024-12-11#

Fixed#

  • Fix OmniSkelUpgradeChecker tests

[0.16.1] - 2024-12-10#

Changed#

  • CSV report now includes the asset as the first column. It also adds a Rule column and renames Info to Message. Therefore, the updated CSV format is as follows: Asset, Rule, Message, Suggestion, Location, Fix Result.

Fixed#

  • Improve LayerSpecChecker performance

[0.16.0] - 2024-12-03#

Added#

  • Add OmniSkelUpgradeChecker to validate skinning method (Available from Kit 107)

Fixed#

  • Fixed ShaderImplementationSourceChecker to respect default “id” implementationSource

[0.15.0] - 2024-11-20#

Added#

  • Add ShaderImplementationSourceChecker rule to verify Shader implementationSource

Fixed#

  • Updating omni-docs changes to api docs

  • Fix incorrect tooltips

  • Add omni.kit.material.library to demo app to help resolver to find builtin materials

  • Implement suite option to SimReady CLI tool

  • Implement functions for JSON and CSV

  • Fixed exception when trying to use non-existent “allowedTokens” metadata

[0.14.2] - 2024-10-17#

Fixed#

  • Release for UI extension

[0.14.1] - 2024-10-16#

Fixed#

  • Update to kit 106.2

[0.14.0] - 2024-10-15#

Added#

  • Added validation of vehicle specific attribute types, allowed values and time variability.

  • Add fixer for UnusedMeshTopologyChecker.

  • KindChecker autofix.

  • Identifiers contains a reference to the variant selection.

Fixed#

  • Formatting docstrings.

  • Fix a bug in KindChecker.

  • Suggestion bug for representation of partial functions.

[0.13.3] - 2024-09-10#

Fixed#

  • Issue and Fix accept any first class OpenUSD schema.

  • Change CLI so no fixes are default.

  • TextureCheckers prevent validating material templates.

  • GroundTruthValidator: reports missing semantics more than once for same prim

  • VehicleCapabilityChecker: Use wheel component transform to determine wheel alignment.

[0.13.2] - 2024-08-29#

Fixed#

  • Support multiple OpenUSD stock flavors.

  • Include simready packages.

  • Remove restrictions on preview surface.

  • Texture checker ignore ies files on lights.

  • Setup default rules for simready validator cli.

  • Remove material binding api requirements when query geomsubsets.

  • Build and publish simready package.

  • Make omni.asset_validator.simready module executable.

[0.13.1] - 2024-08-20#

Fixed#

  • Compute Extents fix fail.

  • Add checks for component rules to detect Xformable default prim

  • Use normalize_url in identifiers.

  • Add --init-rules, --disable-rules, --disable-category to common CLI.

  • VehicleCapabilityChecker: Update vehicle axis alignment validator

  • VehicleCapabilityChecker: Ignore tasks and guides when checking semantic labels

[0.13.0] - 2024-08-15#

Added#

  • Common registry between omni.asset_validator and omni.asset_validator.core

  • Version can now be accessed in the module and CLI.

Fixed#

  • Fix an error when nonvisual token array has only one invalid value

  • Filter more int types to skip validation

  • Fix bug in command line interfacec

  • Fix diagnostics delegate release

  • Fix disable rules

  • Fix MaterialPathChecker bug when fixing.

[0.12.0] - 2024-08-02#

Added#

  • Environment domain logic checker

  • Traffic light validator

Fixed#

  • Allow UPS shader without emissive opacity

  • Use new names and types for non-visual sensors

  • Move Material checkers to common omni.asset_validator

  • Add repr to IssuePredicate

  • omni.asset_validator fix licenses

  • Enable local extensions for validate.bat/validate.sh

[0.11.8] - 2024-07-23#

Fixed#

  • Rename AVSimComponent category to Omni:SimReady

  • Fix Layer Checker

  • Check all material bindings regardless if material binding api is applied

  • Progress shows 100 when checkers are still running

  • Add most of the rules for the Kit less implementation

  • Avoid calling UsdUtils.ComputeAllDependencies twice

  • IsAnIssue representation

  • Enable multiple arguments for IssuePredicates AND and OR

[0.11.7] - 2024-07-17#

Added#

  • Scripts to use asset validator command line interface with Omniverse.

  • Setup poetry for dependency management

[0.11.6] - 2024-07-08#

Fixed#

  • ValidateTopologyChecker: Error when no points attribute on a mesh

  • Update Kit 106

  • check_package is skipped if the input stage is usdz format

  • Remove attrs python dependency

Added#

  • NonVisualSensorChecker for avsim

  • Implement one or more validators to ensure that layer content is internally consistent

  • Add GroundTruthCapabilityChecker for avsim validators

  • Kit-less asset validator with basic rules implemented.

[0.11.5] - 2024-05-29#

Fixed#

  • OmniMaterialUsdPreviewSurfaceChecker failures are divided into multiple messages.

  • Add checks for info:mdl:sourceAsset property for OmniMaterialPathChecker.

[0.11.4] - 2024-05-13#

Added#

  • Added statistics per validation execution.

Fixed#

  • Variant option was missing from command line arguments.

  • Improve progress reporting for jobs that are processed slower.

[0.11.3] - 2024-04-24#

Fixed#

  • Update for UI 0.11.3

[0.11.1] - 2024-04-09#

Fixed#

  • IndexedPrimvarChecker: Do not report non-indexed simple array types.

  • IndexedPrimvarChecker: Do not check usdSkel related primvars.

  • OmniDefaultPrimChecker: Allow Scope type to be default prim.

  • UsdAsciiPerformanceChecker: Skip if layer is anonymous.

  • ValidationEngine: Added disableRule method.

[0.11.0] - 2024-02-27#

Added#

  • OmniMaterialOutOfScopeChecker: Finds material bindings which target materials that are outside the payloads’ hierarchy.

  • MissingReferenceChecker: Missing reference checker now returns location of the problem.

Fixed#

  • Performance improvements:

    • Logging: No logging side effects during validation.

    • Stage immutability: No rendering/UI side effects during validation.

    • Variants: Option to enable/disable checking all variants.

  • WeldChecker: Change error level and message.

[0.10.3] - 2024-02-15#

Fixed#

  • Tutorial content reviewed and tested to avoid incongruent output. Bugs fixed.

  • Extents checker comparison using GfIsClose.

  • Performance: Rules evaluating only assets (i.e. CheckLayers) do not evaluate prims.

[0.10.2] - 2024-01-30#

Fixed#

  • NormalMapTextureChecker fails to compute a value from a connection to a material file input.

  • Progress indicator implementation.

  • Add a summary per rule and per severity in Command Line.

[0.10.1] - 2023-12-15#

Fixed#

  • ZeroAreaFaceChecker: Fixed py37 source compatibility

[0.10.0] - 2023-12-14#

Added#

  • ManifoldChecker: Counts the number of non-manifold edges and vertices.

  • IndexedPrimvarChecker: Check optimization of indices for primvars.

  • UnusedMeshTopologyChecker: Points which are not referenced by the indices can be removed.

  • ZeroAreaFaceChecker: Faces with zero area can be removed.

  • WeldChecker: If attributes contain equal values they can be unified and the indices adjusted accordingly.

  • ValidateTopologyChecker: Validate the topology of a mesh on all time samples.

  • UnusedPrimvarChecker: Values which are not referenced by the indices in a primvar can be removed.

Fixed#

  • SubdivisionSchemeChecker: remove “Normals should be defined when subdivision scheme is none”.

[0.9.5] - 2023-12-05#

Fixed#

  • Move OmniMaterialUsdPreviewSurfaceChecker for older USD releases.

[0.9.4] - 2023-12-04#

Fixed#

  • Fix for Python 3.7 compatibility.

  • Catch errors on class initialization.

[0.9.3] - 2023-11-22#

Fixed#

  • Update kit-sdk, repo tools and packman.

[0.9.2] - 2023-11-14#

Fixed#

  • Performance and stability issues with compliance checker async methods.

[0.9.1] - 2023-11-01#

Fixed#

  • Fixed bug in omni.asset_validator.core.ValidationRulesRegistry.deregisterRule (OM-113568).

  • Updated to latest Kit SDK 105.1

[0.9.0] - 2023-10-12#

Added#

  • SubdivisionSchemeChecker: Check whether subdivision attribute is congruent with mesh attributes.

Fixed#

  • Compliance checker, check and check_async methods added.

  • Change GetWarnings, GetErrors, GetFailedChecks for GetIssues

  • Issues and suggestions support Primvars.

[0.8.1] - 2023-08-18#

Fixed#

  • Update for UI 0.8.1

[0.8.0] - 2023-08-08#

Fixed#

  • SkelBindingAPIAppliedChecker added: Rule ensuring UsdSkel.BindingAPI is applied.

  • Fix Location empty for anonymous layers.

  • Type Checker should ignore /Render* prims.

[0.7.6] - 2023-08-02#

Fixed#

  • Update Kit SDK.

[0.7.5] - 2023-08-02#

Fixed#

  • Publishing process.

[0.7.1] - 2023-08-01#

Fixed#

  • Crash when using OmniMaterialUsdPreviewSurfaceChecker

  • PrimEncapsulationChecker: Add problem location.

  • OmniDefaultPrimChecker: Change descriptions.

  • NormalMapTextureChecker: Add problem location.

[0.7.0] - 2023-07-13#

Added#

  • OmniMaterialUsdPreviewSurfaceChecker added: Rule ensuring that UsdShadeShader prims conform to the UsdPreviewSurface specification.

[0.6.2] - 2023-06-20#

Fixed#

  • Additional to filter issues by predicates, it is possible to group issues by different criteria. Updated documentation.

[0.6.1] - 2023-05-25#

Added#

  • CLI: Added parameters for fixing issues and filter by predicate. Added documentation.

[0.6.0] - 2023-05-19#

Added#

  • ExtentsChecker: Implements auto fixing.

  • OmniDefaultPrimChecker: Filters out specific prims.

  • Usd:Schema Rules: Auto fixing is scoped to the location of the issue.

Fixed#

  • Regression in anonymous layers, test cases added.

  • Asset Validation blocks when dealing with more than 100 files in async methods.

[0.5.1] - 2023-05-10#

Fixed#

  • Fixing publishing of extension.

[0.5.0] - 2023-05-10#

Fixed#

  • Restoring prim may lead to an uncaught error.

  • GetDescription takes doc from class.

  • Auto fixing, Rules can select which layers the fix should be applied first.

  • Update documentation to reflect latest changes.

  • Update to Kit 105

[0.4.0] - 2023-04-27#

Added#

  • Auto fixing, adding the ability to fix a specific layer via API.

  • Add test for missing types.

[0.3.3] - 2023-03-28#

Added#

  • Enable pyCoverage.

  • Add validation check + fix for dangling material bindings.

Fixed#

  • Add missing lines to Tutorial scripts. Tutorial script samples must be self-sufficient.

[0.3.2] - 2023-03-09#

Fixed#

  • Adjusted test data for new validation Warnings issued by USD 22.11

[0.3.1] - 2023-03-07#

Fixed#

  • combine_urls changed behavior, use pathlib.Path instead.

[0.3.0] - 2023-02-07#

Added#

  • Added a Rule to detect ASCII USD layers containing large array data.

  • Added a new “Usd:Performance” category for optimization based rules.

[0.2.4] - 2023-01-31#

Fixed#

  • Updated to build with Kit 104.2 by default

  • Fixed unittests when running with Kit 104.2

[0.2.3] - 2023-01-26#

Added#

  • Asset Validation Tutorial and updated documentation.

[0.2.2] - 2023-01-23#

Added#

  • UsdGeomSubset and MaterialBindingAPI validators

  • For Python 3.8 and newer add CARB_APP_PATH with os.add_dll_directory()

[0.2.1] - 2022-11-21#

Fixed#

  • String representation of Issue

[0.2.0] - 2022-10-28#

Added#

  • Rules can include at to describe the layer/prim/attribute that has been flagged for a particular Issue

  • Rules can can include suggestion callables to fix layers/prims/attributes for one or more Issues

  • Added Suggestions to fix non-relative MDL pathing issues

  • Added Suggestions to fix some OmniDefaultPrimChecker issues

  • Added a rule for UsdLux schema changes, with a Suggestion to create inputs: prefixed attributes matching all known UsdLux attributes.

    • For backwards compatibility with current/older USD libraries, the non-prefixed attributes will be maintained.

    • Note Assets already containing prefixed attributes (eg created in a modern USD application) will not be flagged or modified by this rule.

Fixed#

  • Improved asynchronous logic to avoid blocking the primary application (eg Create) & to fix crashes on some larger stages

  • Fixed KindChecker logic, which was previously flagging false issues with assemblies

[0.1.2] - 2022-09-15#

Fixed#

  • Fixed documentation build & publish.

[0.1.1] - 2022-09-14#

Fixed#

  • Updated extension registry details and documentation.

[0.1.0] - 2022-09-13#

Added#

  • ValidationEngine runs a set of rules on a given USD layer file, folder/container URI, or live Usd.Stage

    • Results captures any Issues for post-processing

  • ValidationRulesRegistry enables new rules to be registered with the engine

  • BaseRuleChecker defines an interface to validate a Usd.Stage

    • Derived classes may be registered with the ValidationEngine via the ValidationRulesRegistry

  • IssueFixer automatically fixes Issues where possible, using suggestions provided by the BaseRuleChecker classes.

  • ValidationRuleTestCase (in the tests submodule) simplifies testing of individual rules

  • Python script for initiating commandline validation runs

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