cuda-pathfinder 1.4.0 Release notes#

Released on Feb 25, 2026

Highlights#

  • Add CTK root canary probing for non-standard-path libraries in load_nvidia_dynamic_lib() (notably nvvm), including spawned child process isolation for the canary probe. (PR #1595)

  • Restore backward-compatible exception behavior for load_nvidia_dynamic_lib() argument validation by replacing the short-lived ValueError introduced in 1.3.5 with DynamicLibNotFoundError subclasses: DynamicLibUnknownError and DynamicLibNotAvailableError. (PR #1688)

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