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The New Stack0 Hot0 comments4 min read
JetBrains kills Kotlin Notebook months after Microsoft’s Polyglot exit. But Jupyter is doing just fine.
JetBrains is sunsetting Kotlin Notebook, its interactive coding plugin launched in 2023, citing low adoption and AI-driven workflow changes. The plugin will be unbundled from IntelliJ IDEA 2026.2 and open-sourced under Apache 2.0, but no compatible version will be published for 2026.3 onward. This follows Microsoft's February deprecation of Polyglot Notebooks for C# and .NET. The real underlying reason, the piece argues, is that notebook culture is deeply Python-native — rooted in data science workflows — and neither Kotlin nor C# developer communities adopted it the way Python developers use Jupyter. Meanwhile, Jupyter itself is thriving: GitHub Octoverse data shows a 75% year-over-year growth in repositories containing Jupyter Notebooks, and usage nearly doubled in AI-tagged repos. Google Colab, built Python-first from the start, has leaned into AI features rather than retreating. JetBrains, for its part, is pivoting toward AI-native tooling, having open-sourced its Mellum2 coding model the same month it killed Kotlin Notebook.
Source: https://thenewstack.io/kotlin-notebook-jupyter-python-retreat. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.
