Changelog#

This document records all notable changes to omni.usd.core extension.

[1.8.6] - 2026-05-26#

Changed#

  • OMPE-38828: Do not enable present thread by default when running tests.

[1.8.5] - 2026-05-21#

Fixed#

  • OMPE-56985: Fix crash in Tf_NoticeRegistry::_Deliver during newStage(). Stage metadata (upAxis, timeCodesPerSecond, time range) is now applied after UsdUtilsStageCache registration so that ObjectsChanged listeners can discover the stage (NVBug 5417005).

[1.8.4] - 2026-05-11#

Fixed#

  • OMPE-90364: Hold a strong reference to the current USD stage while processing change notices to prevent null TfWeakPtr dereferences during stage recycling.

[1.8.3] - 2026-04-21#

Fixed#

  • OMPE-80806: Guard m_bboxCache in omni usd context dereferences to prevent SIGSEGV crash

[1.8.2] - 2026-04-07#

Fixed#

  • OMPE-86898: Fix crate file version mismatch error message not shown due to OpenUSD renaming error string from “Usd” to “Sdf” prefix.

[1.8.1] - 2026-03-02#

Changed#

  • Move protoserializerregistry and renderproduct from omni.usd into extension that uses/requires them.

[1.8.0] - 2026-01-07#

Changed#

  • OMPE-74930: Converted to a Carbonite plugin to get proper startup/shutdown calls

[1.7.0] - 2025-12-16#

Changed#

  • OMPE-54307: Expose hydraEngineId argument to USdContext::createViewport

[1.6.3] - 2025-10-14#

Changed#

  • OMPE-66245: Use carb::getCachedInterface<> instead of carb::Framework::acquireInterface<> to reduce log noise at verbose level.

[1.6.2] - 2025-09-16#

Changed#

  • OMPE-63828: Quiet omni.usd.core renderer [INFO] spam

[1.6.1] - 2025-08-28#

Changed#

  • OMPE-56461: Change normalizePath() function in ‘include/omni/usd/LayerUtils.h’ so that it can handle ‘+’ in a URL correctly.

[1.6.0] - 2025-07-23#

Changed#

  • OMPE-55501: Changed /app/usd/muteUsdDiagnostics to persistent, default to true, added one time notification for suppressed warnings/errors.

  • Added /app/usd/maxUsdDiagnosticsLogged setting to control max diagnostics allowed to be logged.

[1.5.4] - 2025-05-12#

Changed#

  • Updated to use omni.timeline via eventdispatcher (Events 2.0)