Release v9.1

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Removal of nrncore_callbacks after CoreNEURON repo merge

devDeveloper TicketsDeveloper Tickets

Status: Open.

#2248 In neuronsimulator/nrn;

· pramodk opened on Feb 24, 2023

Single MPI Dynamic implementation for NEURON/CoreNEURON

coreneuron

devDeveloper TicketsDeveloper Tickets

improvementImprovement over existing implementationImprovement over existing implementation

Status: Open.

#2285 In neuronsimulator/nrn;

· alexsavulescu opened on Mar 20, 2023

Add/extend tests to use prcellstate

enhancement

testing

Status: Open.

#1386 In neuronsimulator/nrn;

· olupton opened on Jul 28, 2021

NRN_ENABLE_MUSIC on wheels

Status: Open.

#2091 In neuronsimulator/nrn;

· nrnhines opened on Nov 17, 2022

basic NetCon graph in ModelView

enhancement

gui

Status: Draft (not ready).

neuronsimulator/nrnnumber 1912

#1912 In neuronsimulator/nrn;

· ramcdougal opened on Jul 11, 2022

Optional first arg for Vector.record can be an ARTIFICIAL_CELL

Status: Draft (not ready).

neuronsimulator/nrnnumber 2858

#2858 In neuronsimulator/nrn;

· nrnhines opened on Apr 25, 2024

ExternalProject SUNDIALS 3.2.1

Status: Open (in progress).

neuronsimulator/nrnnumber 1960

#1960 In neuronsimulator/nrn;

· alexsavulescu opened on Aug 20, 2022

Fix RxD MultiCompartment Reactions with different number of source and destination terms.

bug

rxdreaction-diffusionreaction-diffusion

Status: Open (in progress).

neuronsimulator/nrnnumber 3805

#3805 In neuronsimulator/nrn;

· adamjhn opened on Jun 23, 2026

Iterating through a segment with no mechanisms segfaults

bug

check-if-still-true

Status: Open.

#3793 In neuronsimulator/nrn;

· ramcdougal opened on Jun 14, 2026

Error handling for insert

check-if-still-true

enhancement

Status: Open.

#3792 In neuronsimulator/nrn;

· ramcdougal opened on Jun 14, 2026

Point processes should have a .code property

enhancement

Status: Open.

#3789 In neuronsimulator/nrn;

· ramcdougal opened on Jun 12, 2026

HOC should support Python-style magic methods

check-if-still-true

enhancement

rxdreaction-diffusionreaction-diffusion

Status: Open.

#3570 In neuronsimulator/nrn;

· ramcdougal opened on Aug 17, 2025

After launching python, work around linefeed with no return when print from a gui callback

Status: Open (in progress).

neuronsimulator/nrnnumber 3765

#3765 In neuronsimulator/nrn;

· nrnhines opened on May 8, 2026

Python class missing on the latest documentation

Status: Open.

#3578 In neuronsimulator/nrn;

· drodarie opened on Aug 26, 2025