What's New in PyCharm 2026.2.1 - The JetBrains Blog

PyCharm 2026.2.1 expands AI-assisted development with agent skills that let tools such as Claude Code and Codex create, edit, and execute Jupyter notebooks through PyCharm’s live kernel, preserving notebook state across cells, while an environment coordinator directs agents to use the project’s configured Python interpreter and package manager. The release also adds a third-party marimo plugin for working with reactive, Git-friendly Python notebooks, and it unbundles and deprecates lower-use plugins including Data Wrangler, Hugging Face, and Google Colab support, though compatible Marketplace versions remain available. Package management has been redesigned with a dependency tree, faster search, environment visibility, support for uv and Poetry dependency groups, VCS installations, repository controls, and improved Remote Development behavior. Type checking now provides more detailed mismatch explanations, consistent comparisons for composite types, and linked type information, while fixes prevent automatic virtual-environment creation for end-of-life Python versions and improve inference for SQLAlchemy and SQLModel Session.get() calls.

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