BrainPy V2.7.4

Release Date: December 2025

This release focuses on simplifying the project structure by removing the experimental brainpy.state module and consolidating documentation.

Major Changes

Removed brainpy.state Module (#806)

• Removed: The entire brainpy.state module has been deleted
  • This includes all state-based neuron models (LIF variants, Izhikevich, HH)
  • Removed synapse models, projections, readouts, and STP implementations
  • Removed all associated test files
• Recommendation: Users should use the brainpy.state library directly for state-based neural network simulations

Decouple the brainpy context with brainstate context

• Updated: brainpy.math.defaults is totally decoupled with brainstate context management

Documentation Consolidation (#806)

• Renamed: docs_classic/ → docs/ (now the main documentation)
• Renamed: examples_classic/ → examples/ (now the main examples)
• Removed: docs_state/ directory (state-based documentation)
• Removed: examples_state/ directory (state-based examples)

Dependencies

Updated Dependencies (#807)

• Simplified pyproject.toml configuration
• Updated requirements.txt

CI/CD Improvements

• Updated: actions/upload-artifact from 5 to 6 (#804)
• Updated: actions/download-artifact from 6 to 7 (#805)

Files Modified

• brainpy/__init__.py: Removed state module exports
• brainpy/context.py: Simplified context management
• brainpy/math/defaults.py: Updated default configurations
• docs/conf.py: Updated documentation configuration
• pyproject.toml: Simplified dependency configuration
• .github/workflows/Publish.yml: Updated CI artifact actions

Breaking Changes

• The brainpy.state module is no longer available. Users relying on this module should migrate to the standalone brainstate library.