PyPI
ipykernel
IPython Kernel for Jupyter
closemberipythonipython-kerneljupyterjupyter-notebookkernelpython
github.com/ipython/ipykernelipython.orgBSD-3-ClauseIPython Development Team16.8M / week735 · 413 forks · 205 contributors
Release cadenceEvery 2 months
Last releaseSep 29, 2026
Open advisories0
Changelog quality93% curated
GitHub Releases + CHANGELOG, gaps for some releases
Release history SecurityYou're on
119 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionipykernel 6 → 76.31.0 → 7.4.0Sep 29, 2026 BreakingBreaking6Security1Platform3Deprecated1New11Changed19Fixed31Other117ipykernel 5 → 65.5.6 → 6.31.0Oct 20, 2025 BreakingBreaking7Platform3Deprecated5New33Changed41Fixed101Other174ipykernel 4 → 54.10.1 → 5.5.6Oct 6, 2021 BreakingPlatform3New6Changed10Fixed31Other9
VersionChannelDateChangesSecurity
7.4.0 StableSep 29, 2026Security1Platform1New1Changed4Fixed5Other87.3.0 youStableJun 10, 2026New3Changed2Fixed4Other137.2.0 StableFeb 6, 2026New2Changed3Fixed2Other97.2.0a1 AlphaJan 30, 2026New1Changed2Fixed1Other17.2.0a0 AlphaJan 8, 2026New2Fixed1Other67.1.0 StableOct 27, 2025New1Changed1Fixed4Other37.0.1 StableOct 14, 2025Fixed1Other37.0.0 StableOct 13, 2025Breaking1Platform1New2Changed2Fixed2Other147.0.0a3 AlphaOct 3, 2025Platform1Changed2Other37.0.0a2 AlphaAug 13, 2025Breaking3Platform1Deprecated1New2Changed5Fixed13Other687.0.0a1 AlphaMar 7, 2025Breaking3Platform1Deprecated1New1Changed3Fixed8Other487.0.0a0 AlphaOct 22, 2024Breaking2New1Changed3Fixed5Other126.31.0 StableOct 20, 2025New2Other46.30.1 StableAug 4, 2025Fixed2Other16.30.0 StableJul 21, 2025Platform1Changed2Fixed4Other206.30.0a0 AlphaJun 5, 2025New1Fixed2Other16.29.5 StableJul 1, 2024Fixed1Other16.29.4 StableMar 27, 2024Changed1Fixed16.29.3 StableFeb 26, 2024Changed1Fixed1Other36.29.2 StableFeb 7, 2024Fixed1Other1