I want to open a discussion about pypsa's roadmap towards its first major version 1.0, gather ideas and wishes on how the package should look like and what it should do. To start, here are some of my suggestions

There is plenty of stuff we could add. Please feel free to extent edit the list.

Docs

• New Documentation Draft #1211

Tests & Quality

• Increase test coverage > 90%
  • Improve test coverage #231
  • Remove pypsa.stats module and move parts into unit testing #234
• feat: add static types #1010
• Use ruff #899
• Data validation with pydantic/ pandera ?

API

• Integrate linopy as new solver interface
• Possibly drop support for pyomo, remove the modules Remove n.lopf() for pyomo and nomopyomo + HiGHS default solver #884
• Add a clustering module with submodule spatial and temporal with according functions
  • Spatial cluster refactor #673
  • Draft time-clustering module #665
• Establish a harmonized naming convention (eg n for networks, c for component, sns for snapshot)
  • refactor: introduce naming conventions #1028
  • c for component class

Features

• Components Class #936
  • feat: introduce component class #1075
  • API discussion
    • Add function for auto-calculating line lengths from bus coords #337
  • Defining custom components compatible with the Linopy optimization implementation #856
  • Docs
• Plotting Library #1156
• Stochastic programming formulation #575
  • Add stochastic programming formulation #1037
  • Revised indexing ('snapshot', 'period', 'timestep', 'name' and 'scenario')
• save extra_functionality in pypsa network #322