Change log

↗️ = updated since previous release

v2026.3.12

This release updates package dependencies and drops Python 3.10 support.

• Package Dependencies:

  • jax<=0.9.1,>=0.6.0 ↗️ (adjusted upper bound)

  • brainpy-state==0.0.4 ↗️

  • brainpy==2.7.7 ↗️

  • brainunit==0.2.0 ↗️

  • brainstate==0.3.0 ↗️

  • brainevent==0.0.7 ↗️

  • braincell==0.0.8 ↗️

  • braintools==0.1.8

  • braintrace==0.1.2

  • brainmass==0.0.5

  • pinnx==0.0.3

• Project Configuration:

  • Dropped Python 3.10 support; minimum Python version is now >=3.11

  • Removed version bounds from JAX optional extras (cpu, cuda12, cuda13, tpu)

v2026.1.31

This release updates package dependencies and includes extensive documentation formatting improvements.

• Package Dependencies:

  • jax>=0.6.0,<0.9.0 ↗️ (added upper bound)

  • brainpy-state==0.0.3

  • brainpy==2.7.6

  • brainunit==0.1.4 ↗️

  • brainstate==0.2.10 ↗️

  • brainevent==0.0.5

  • braincell==0.0.7

  • braintools==0.1.8

  • braintrace==0.1.2

  • brainmass==0.0.5

  • pinnx==0.0.3

• Documentation:

  • Extensive formatting improvements across documentation notebooks and markdown files

  • Renamed highlight_test_lexer.py to fix_ipython.py for better clarity

  • Updated all example notebooks with improved formatting and structure

  • Refreshed documentation structure and presentation

• Project Files:

  • Updated GitHub templates (issue templates, PR template)

  • Improved CI/CD workflow configurations

  • Updated project configuration files (.gitignore, .pre-commit-config.yaml, .readthedocs.yml)

  • Enhanced contributing guidelines and code of conduct

v2026.1.22

This release updates braintools package dependency.

• Package Dependencies:

  • jax>=0.6.0

  • brainpy-state==0.0.3

  • brainpy==2.7.6

  • brainunit==0.1.3

  • brainstate==0.2.9

  • brainevent==0.0.5

  • braincell==0.0.7

  • braintools==0.1.8 ↗️

  • braintrace==0.1.2

  • brainmass==0.0.5

  • pinnx==0.0.3

v2026.1.21

This release updates brainpy package dependency.

• Package Dependencies:

  • jax>=0.6.0

  • brainpy-state==0.0.3

  • brainpy==2.7.6 ↗️

  • brainunit==0.1.3

  • brainstate==0.2.9

  • brainevent==0.0.5

  • braincell==0.0.7

  • braintools==0.1.7

  • braintrace==0.1.2

  • brainmass==0.0.5

  • pinnx==0.0.3

v2026.1.19

This release updates package dependencies and CI/CD infrastructure.

• Package Dependencies:

  • jax>=0.6.0

  • brainpy-state==0.0.3

  • brainpy==2.7.5

  • brainunit==0.1.3

  • brainstate==0.2.9 ↗️

  • brainevent==0.0.5

  • braincell==0.0.7

  • braintools==0.1.7 ↗️

  • braintrace==0.1.2

  • brainmass==0.0.5

  • pinnx==0.0.3

• Documentation:

  • Updated paper reference for BrainTrace in ecosystem.html

• CI/CD:

  • Bumped styfle/cancel-workflow-action from 0.12.1 to 0.13.0 (#57)

v2026.1.16

This release updates package dependencies, documentation, and copyright notices.

• Package Dependencies:

  • jax>=0.6.0

  • brainpy-state==0.0.2

  • brainpy==2.7.5

  • brainunit==0.1.3

  • brainstate==0.2.9 ↗️

  • brainevent==0.0.5

  • braincell==0.0.6

  • braintools==0.1.7 ↗️

  • braintrace==0.1.2

  • brainmass==0.0.4

  • pinnx==0.0.3

• Copyright:

  • Updated copyright notice from BDP Ecosystem Limited to BrainX Ecosystem Limited

• Documentation:

  • Updated paper reference for BrainTrace in ecosystem.html

  • Removed papers_using_us.md file

• CI/CD:

  • Bumped styfle/cancel-workflow-action from 0.12.1 to 0.13.0 (#57)

  • Bumped braintools from 0.1.6 to 0.1.7 (#56)

• Code Updates:

  • Updated import statements from brainpy to brainpy.state in notebooks (#55)

  • Updated CI configuration to use Python 3.13 and adjusted JAX versions

  • Updated multiple documentation notebooks with corrected imports and examples

v2025.12.26

This release updates multiple package dependencies and improves CI/CD infrastructure.

• Package Dependencies:

  • jax>=0.6.0

  • brainpy-state==0.0.2 ↗️

  • brainpy==2.7.5 ↗️

  • brainunit==0.1.3

  • brainstate==0.2.8

  • brainevent==0.0.5

  • braincell==0.0.6

  • braintools==0.1.6

  • braintrace==0.1.2

  • brainmass==0.0.4

  • pinnx==0.0.3

v2025.12.25

This release updates multiple package dependencies and improves CI/CD infrastructure.

• Package Dependencies:

  • jax>=0.6.0

  • brainpy-state==0.0.1 ↗️ (new, replaces brainpy)

  • brainunit==0.1.3 ↗️

  • brainstate==0.2.8 ↗️

  • brainevent==0.0.5 ↗️

  • braincell==0.0.6

  • braintools==0.1.6 ↗️

  • braintrace==0.1.2 ↗️

  • brainmass==0.0.4

  • pinnx==0.0.3

• CI/CD:

  • Bumped actions/checkout from 5 to 6 (#48)

v2025.12.2

This release introduces BrainTrace (replacing BrainScale) and updates multiple package dependencies.

• Package Dependencies:

  • jax>=0.6.0 ↗️

  • brainpy==2.7.2 ↗️

  • brainunit==0.1.2

  • brainstate==0.2.6 ↗️

  • brainevent==0.0.4

  • braincell==0.0.6

  • braintools==0.1.4 ↗️

  • braintrace==0.1.1 ↗️ (renamed from brainscale)

  • brainmass==0.0.4

  • pinnx==0.0.3 ↗️ (new)

• Documentation Updates:

  • Renamed BrainScale to BrainTrace in documentation and requirements

  • Updated ecosystem documentation with additional descriptions

  • Deprecated BrainTaichi component

  • Removed 3D card effect from ecosystem.html

  • Added braintools import and updated class inheritance in spiking network notebooks

• CI/CD:

  • Bumped actions/upload-artifact from 4 to 5 (#46)

v2025.10.13

This is the first release of the complete BrainX ecosystem, integrating multiple packages for comprehensive brain simulation and analysis.

• Package Dependencies:

  • jax>=0.6.0,<0.8.0

  • brainpy==2.7.1 ↗️

  • brainunit==0.1.1

  • brainstate==0.2.3 ↗️

  • brainevent==0.0.4

  • braincell==0.0.6 ↗️

  • braintools==0.1.3 ↗️

  • brainscale==0.1.0 ↗️

  • brainmass==0.0.4 ↗️

• Documentation Fixes:

  • Updated BrainPy link in ecosystem documentation (#43)

  • Fixed image sources to use absolute URLs for BrainMass and BrainEvent logos

  • Copied CHANGELOG.md to the documentation directory for better accessibility

  • Reorganized static JavaScript files (moved service-worker.js to js subdirectory)

• README Updates:

  • Updated documentation and references (#42, #43)

v2025.10.08 (yanked)

• Project Updates:

  • First integrative version of the BrainX ecosystem (#40)

  • Rebranded to BrainX and revamped documentation (#23)

  • Updated project description and author details to “BrainX Ecosystem”

  • Added support for CUDA 13 in optional dependencies

• Documentation Enhancements:

  • Enhanced brain simulation documentation with English and Chinese versions (#36)

  • Added comprehensive core components documentation (#29)

  • Added HH thalamus oscillations notebooks and examples (#31, #32)

  • Updated core components documentation and removed obsolete Golgi file (#33)

  • Added Kaggle dataset download for Golgi cell morphology (#25)

  • Fixed ipython2 lexer to ipython3 in notebooks (#27)

  • Corrected titles and updated references in documentation files

• Package Dependencies:

  • jax>=0.6.0,<0.8.0 ↗️

  • brainpy==3.0.0 ↗️

  • brainunit==0.1.1 (from 0.0.18)

  • brainstate==0.2.1 ↗️ (from 0.1.10)

  • brainevent==0.0.4

  • braincell==0.0.5 ↗️ (from 0.0.4)

  • braintools==0.1.1 ↗️ (from 0.0.12)

  • brainscale==0.0.11 ↗️ (from 0.0.10)

  • brainmass==0.0.3

• CI/CD:

  • Bumped actions/setup-python from 5 to 6 (#26)

  • Bumped actions/checkout from 4 to 5

• Fixes:

  • Updated project name and copyright in conf.py; refactored lexer import (#28)

  • Updated Golgi cell notebook to include Kaggle dataset download and path adjustments

  • Updated index.rst to reference brain_simulation_point_neuron.md (#24)

v2025.9.15

• BrainX packages:

  • numpy>=1.15 ️↗️

  • jax>=0.4.35,<0.8.0 ↗️

  • brainunit==0.1.1 ↗️

  • brainstate==0.1.10 ↗️

  • brainevent==0.0.4 ↗️

  • braincell==0.0.4 ↗️

  • braintools==0.0.11 ↗️

  • brainscale==0.0.10 ↗️

  • brainmass==0.0.3 ↗️

  • msgpack>=1.1.0 ↗️

  • matplotlib ↗️