Changelog

7.6.0 (10/09/24)

Fixed

USDRT - USDRT SdfPath less-than operator should behave the same as USD. [OMPE-18389]

Improved

USDRT - Many improvements to Fabric Hierarchy and Connectivity targeting robotics and physics use cases enabling thousands of changes per frame. [OMPE-20759]

7.5.1 (09/22/24)

Added

USDRT - Add C++ api docs in kit-sdk documentation. Ensure linking docs from kit-manual works. [OMPE-13843]
USDRT - USDRT VtArray python bindings refactor to use pybind trampoline class & ensure GIL safety. [OMPE-14425]
USDRT - Add Semantics Schema support [OMPE-14569]
USDRT - Add support for multiple apply api schema ::Apply [OM-119535]
USDRT - Add validation to api schema apply functions [OM-119536]
USDRT - add UsdPrim::GetAllChildren, GetChildrenNames, and GetAllChildrenNames [OM-80310]
USDRT - OM-123836 add VtArray::cspan
IFabricHierarchy for standardized transforms with Fabric [OM-96719]
USDRT - usdrt UsdPrim::HasProperty and GetPropertyNames [OM-98778]

Fixed

USDRT - USDRT VtArray pybind cleanup to avoid expensive cast exception when using numpy [OMPE-18960]
USDRT - Update Usd.AccessType type to int enum in python bindings [OM-104136]
USDRT - fix GfRange default value to match USD [OM-105217]
USDRT - Use C++17 inline variable for SdfValueTypeNames instance [OM-121248]
USDRT - DefinePrim: use provided type in fabric for unregistered schemas [OM-103068]
USDRT - fix crash creating fabric world matrix attr when it already exists [OM-122386]
USDRT - fix population and schema apply tagging in fabric for multiple-apply schemas [OM-122248]
USDRT - Skip prefetch valueless attributes in fabric [OM-117937]
USDRT - sync schema tags to fabric in UsdNoticeHandler [OM-122248]

Developer Updates

USDRT - Move source code and documentation into kit repo. Documentation is now bundled in with kit-sdk (OM-121095, OM-123751)
USDRT: Get usdGenSchema working in kit repo [OM-121176]

7.5.0 (02/01/24)

OM-103434: Add pybind args to SdfPath
OM-99781: RtChangeTracker added prims
OM-119110: Add apply to single apply api schemas
OM-118962: usdGenSchema: Support custom includes, template format tweaks
OM-118637: Schema custom declaration code

7.4.9 (01/18/24)

SceneGraph: Add TfToken::size
SceneGraph: Add checks for result

7.4.8 (01/10/24)

Expose TfToken python conversion
Added missing header include in Scenegraph API
Report failure in RtPath::getPrefixes
OM-117847: Stage::GetAttributeAtPath: check fabric for attributes not in usd

7.4.7 (01/04/24)

Added docstrings to C++ headers

7.4.6 (12/15/23)

No changes to USDRT Scenegraph API

7.4.5 (12/11/23)

Root prims fall back to USD for relational calls

7.4.4 (12/10/23)

Perf fix for IXformCache

7.4.3 (12/08/23)

Add pathC property to SdfPath in python bindings
Use Fabric Connectivity to resolve scenegraph relational calls (GetChildren etc) when FSD is enabled
Documentation updates
Add IFabricHierarchy support to Rt schema

7.4.2 (11/13/23)

RtXformable will initialize default values for position orientation and scale
UsdPrim::IsValid returns false if Fabric prim does not exist
Moving constructor and operator for SdfPath and TfToken

7.4.1 (11/03/23)

Added UsdSkel to USDRT Scenegraph API

7.4.0 (10/16/23)

Fix includes in SdfPath
Fix bug in Gf with Decompose
Add Gf type traits
Add GfBbox3d GfFrustum GfLine GfLineSeg GfPlane GfRay

7.3.6 (9/20/23)

Several fixes for SdfPath implementation

7.3.5 (9/14/23)

No changes to USDRT Scenegraph API

7.3.4 (9/12/23)

No changes to USDRT Scenegraph API

7.3.3 (9/6/23)

No changes to USDRT Scenegraph API

7.3.2 (8/28/23)

SdfPath bugfixes

7.3.1 (8/4/23)

Adds GfTransform class
Adds GfMatrix Factor
Fix GfRange default value in Python

7.3.0 (8/4/23)

Adds GfRotation support
Adds RtSelection class and Stage selection support
Minor bugfixes

7.2.15 (7/21/23)

Gf python string format match USD
SdfPath prefix bugfix

7.2.14 (7/14/23)

Bugfix for UsdAttribute and UsdRelationship GetStage()
Bugfix in IXformCache to avoid crash on exit

7.2.13 (7/11/23)

Improved safety around UsdStage interfaces
Fixed bug with UsdPrim::GetStage
Fixed bug with UsdSchemaRegistry::GetAliasFromName
Fixed bugs with SdfPath APIs added in 7.2.11, made public interface C++14 compliant
Stage queries can discover prims outside the USD schema registry

7.2.12 (7/5/23)

SdfPath now hashable in Python
API schema calls now support complete name or alias

7.2.11 (7/3/23)

Schema class now have static Define method
Added many SdfPath helper APIs

7.2.10 (6/23/23)

Fix hang in IXformCache on shutdown

7.2.8 (6/13/23)

Gf types and VtArray support implicit creation from sequences where USD equivalents do

7.2.7 (6/5/23)

Adds bool operators for schemas

7.2.6 (5/31/23)

Updated testing for invalid prim and attribute calls

7.2.5 (5/26/23)

Fix RemovePrim handling

7.2.4 (5/18/23)

SdfPathSet and SdfPath cpp tests

7.2.3 (5/15/23)

Ensure no crashes when invalid prim in scenegraph API

7.2.2 (5/11/23)

No functional changes

7.2.1 (5/10/23)

Fix crash on creating attribute on invalid prim

7.2.0 (5/9/23)

Add API schema methods on UsdPrim

7.1.1 (4/25/23)

Fixes for buffer protocol support

7.1.0 (4/18/23)

Validate boolean operator and IsValid for typeless prims
Adds SchemaRegistry implementation and schema typing support
DefinePrim always authors Fabric type using alias, and also adds ancestor tags
Supporting more types when writing usd attributes to fabric
Add SdfAssetPath support to usdrt
Ensure that prototype proxies are represented by stage queries

7.0.5 (3/27/23)

Both aliases and complete types are now supported for stage queries
Stage query optimization while Fabric Scene Delegate is active

7.0.4 (3/22/23)

No functional changes

7.0.3 (3/21/23)

No functional changes

7.0.1 (3/17/23)

No functional changes

7.0.0 (3/12/23)

Update to USD-22.11

6.0.14 (3/10/23)

UsdStage::StageWithHistoryExists pybindings accept long int instead of uint64_t
GetPathElementCount added to SdfPath

6.0.12 (2/28/23)

support GPU interop for 1d warp arrays with VtArray
add deprecated API support for Fabric rebrand in scenegraph stage
Only prefetch single attribute for UsdStage::GetAttributeAtPath

6.0.11 (2/27/23)

Adds connection support for UsdAttribute
Fix for flaky tests on Linux

6.0.9 (2/14/23)

Fix for warp-0.7.0+ interop with VtArray

6.0.8 (2/9/23)

Internal changes in support of Fabric improvements

6.0.7 (2/2/23)

Small bugfixes
Additional documentation
Improved developer workflow

6.0.6 (1/29/23)

Adds stage queries to Scenegraph API
Adds PyBind bindings for UsdTimeCode in Scenegraph API
Hide external libraries under usdrt_only subdir so they do not conflict in Kit
Fixed potential race condition in IXformCache
UsdStage::RemovePrim will also track the removed for FSD
Added PruneChildren to Scenegraph API PrimRange iterator
Fixed bug with UsdPrim::GetChildren Fabric population in Scenegraph API

6.0.5 (1/12/23)

Add documentation on authoring geometry with USDRT for FSD
Add RtBoundable schema
Fix crash when authoring new geo to Fabric without primvars
Update documentation to use USDRT schema tokens
Fix for GetPrimAtPath with Fabric-only prims
Add RtChangeTracker API

6.0.4 (12/13/22)

Fix regression in multi-target Relationship support
Adds support for API schemas (single and multiple apply)

6.0.1 (11/21/22)

Adds Relationship support to schema classes
Adds multi-target Relationship support

6.0.0 (11/4/22)

Added first round of USDRT pin-compatible schema class support
All Get/Create APIs for concrete schemas are implemented
Tokens classes for schemas are implemented
All schemas that ship with USD, and also UsdPhysics and PhysX schemas are represented
Support for API schemas to follow in subsequent release
Updated for Fabric rebrand
Fixed crash with calling UsdStage::WriteToLayer multiple times
Added CPU/GPU status queries for UsdAttribute

5.0.1 (10/17/22)

Changes from 4.0.2 through 4.0.6 (mostly unrelated to Scenegraph API)

5.0.0 (9/22/22)

Sync Fabric from Kit for multi-relationship support

4.0.3 (9/29/22)

The USDRT Scenegraph ABI is STABLE for Kit-104 with this release

C++ extensions that are built with the USDRT Scenegraph C++ API using any 4.* extension version will be ABI-compatible with all future releases of the USDRT Scenegraph extension. Kit-104 will not move beyond the 4.* version of the USDRT Scenegraph API.

Adds GfRange and GfRect2i support
__repr__ for all pybind wrappers
Sdf.Path can be implicitly created from Python strings to match USD
Fix for potential crash-on-exit

4.0.0 (9/5/22)

The USDRT Scenegraph ABI is STABLE for Kit-104 with this release

C++ extensions that are built with the USDRT Scenegraph C++ API using any 4.* extension version will be ABI-compatible with all future releases of the USDRT Sccenegraph extension. Kit-104 will not move beyond the 4.* version of the USDRT Scenegraph API.

Adds UsdStage::RemovePrim and UsdStage::HasPrimAtPath
Uses read- and write-specific Fabric APIs for improved change tracking
Improved error message with Usd.Attribute.Set and Get in Python for unsupported types
Always prefetch into Fabric on UsdPrim creation
Adds SdfValueTypeNames->Tag for creating Fabric tags on prims
str support on SdfPath
Adds RtXformable schema and documentation
Prepare for transition to multi-target relationships in Fabric