2.1.0

Released on: 2026-06-23

Package updates

• psiqdk-workbench: 4.45.0 → 4.48.4
• psiqdk-algorithms: 1.22.3 → 1.23.1
• workbench-sim-native: 0.2.1 → 0.2.3

Features

psiqdk-workbench

• Extends QPU.set_random support to the bit simulator backend to enable randomness in classical bit simulations
• Adds the track_qubricks optional argument to OpFilter to enable the ability to track qubrick hierarchies within filters.
• Adds the angle_synthesis_method keyword argument to NumericEstimator.resources to allow specification of an angle synthesis method when performing numerical QREs of active volume

psiqdk-algorithms

• Unifies phase gradient qubricks and supports QFT via Phase Gradient Addition

  • Adds DyadicAngle, an explicit angle type for validating catalyst-backed phase-gradient base angles.
  • Adds PhaseGradientViaPhaseCatalystState, which implements phase gradients using rotation catalyst states and a constructor-owned adder.
  • Defaults catalyst-based phase gradients to PhaseGradientAdder, while allowing NaiveAdd and GidneyAdd via PhaseGradientViaPhaseCatalystState(adder=...).
  • Adds QFTviaPhaseGradient, enabling QFT and inverse QFT through either NaivePhaseGradient or catalyst/PGA-backed phase gradients.

Bug Fixes

psiqdk-workbench

• Errors now thrown when attempting to rebind filters to new Q‍‍Ian NanezI‍PU instances
• Update QRE metrics to reset to zero when QPU.reset instruction is applied
• Added runtime type checking for Qubrick.alloc_temp_qreg params to catch common errors
• Deal with case when Qubrick has deleted its allocations during compute(), re-allocated them in its dagger, and then a custom uncompute() is used.

psiqdk-algorithms

• Remove extra initialization elbows from USP variants
• Fix phase gradient adder control bug when ctrl=0.
• Make scipy a required dependency

Documentation

psiqdk-workbench

• Added documentation for the >>clifford-sim>>