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mcsolve fails with non-normalized initial mixed state

BUG

codecode-related, independently on the underlying physics simulation.code-related, independently on the underlying physics simulation.

good first issue

Status: Open.

Bug

#2880 In qutip/qutip;

· pmenczel opened on Apr 15, 2026

Confusing coefficient function parameter naming

Status: Open.

#2879 In qutip/qutip;

· Ericgig opened on Apr 15, 2026

Improve tests to make flaky mark unnecessary

Tests

Status: Open.

Task

#2877 In qutip/qutip;

· veronikakurth opened on Apr 15, 2026

·  

QuTiP 5.4

Fix tests for eigenstates, stochastic and floquet solvers

BUG

Tests

Status: Open.

Bug

#2876 In qutip/qutip;

· veronikakurth opened on Apr 15, 2026

·  

QuTiP 5.4

Add links to the guides from the apidocs.

ENH

Status: Open.

#2854 In qutip/qutip;

· Ericgig opened on Apr 3, 2026

Follow PEP 740 for publishing package on PyPi

Status: Open.

#2868 In qutip/qutip;

· Mayank447 opened on Mar 25, 2026

Inconsistency in the definition of the spectral density

Status: Open.

#2828 In qutip/qutip;

· vysyn-x opened on Mar 5, 2026

Repeated calls to mesolve in a loop cause increasing memory usage

performancePerformance / scalability related issues.Performance / scalability related issues.

Status: Open.

#2819 In qutip/qutip;

· M0rtamor opened on Feb 10, 2026

Detect pulses in mesolve to adjust time steps of the Integrator

ENH

Status: Open.

Feature

#2814 In qutip/qutip;

· bithuman opened on Jan 30, 2026

Possible segfault with data_as or as_scipy.

Status: Open.

#2788 In qutip/qutip;

· Ericgig opened on Nov 18, 2025

·  

QuTiP 6.0

beam splitter unitary and bosonic lossy thermal channel in Kraus representation

ENH

Status: Open.

#2768 In qutip/qutip;

· svan5003 opened on Oct 22, 2025

Add convenience constructors for Majorana-zero-mode (MZM) operators

ENH

Status: Open.

#2716 In qutip/qutip;

· hepzanechen opened on Jul 12, 2025