Released: Jun 23, 2026

Updates in 2026.1.3

Fixes

• Code Insight
  • Pyrefly: false positive: 'Getter signature should be (self)'.
  • Concatenate not taken into account for variance inference.
  • Empty list literal collapses generic unification to 'Any'.
  • Passing 'None' to generic doesn't work.
  • Can't change type engine when looking at .pyi file.
• Jupyter
  • Markdown cell table alignment: Columns not aligning in Jupyter Notebook.
• LSP Tools
  • Python LSP plugin regression: Pyright and Ruff diagnostics not working after latest update on 2026.1.2.
• Restructured Text
  • Python code block in docstring does not render.