Description
Jupyter core package. A base package on which Jupyter projects rely.
Release History
| Version | Changes | Urgency | Date |
|---|---|---|---|
| 5.9.1 | Imported from PyPI (5.9.1) | Low | 4/21/2026 |
| v5.9.1 | ## 5.9.1 Fixes a regression in 5.9.0 only affecting Windows ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.9.0...v5.9.1)) ### Bugs fixed - Fix `filterwarnings()` TypeError [#449](https://github.com/jupyter/jupyter_core/pull/449) ([@Darshan808](https://github.com/Darshan808)) ### Documentation improvements - dependency typo in changelog (from PR) [#450](https://github.com/jupyter/jupyter_core/pull/450) ([@minrk](https://github.com/minrk)) ### Contributor | Low | 10/16/2025 |
| v5.9.0 | ## 5.9.0 jupyter-core 5.9 requires Python 3.10. The dependency on pywin32 on WIndows is removed, unblocking installation on free-threaded Python. ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.8.1...v5.9.0)) ### Enhancements made - nicer traceback in missing loop case outside except in run_sync [#437](https://github.com/jupyter/jupyter_core/pull/437) ([@AThePeanut4](https://github.com/AThePeanut4)) ### Bugs fixed - Fix missing `f` specifier in f-strin | Low | 10/16/2025 |
| v5.8.1 | ## 5.8.1 Fixes a regression in 5.8.0 for code which may assume SYSTEM_CONFIG_PATH is non-empty (Jupyter Server). ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.8.0...de1fe1fdfb2aeba5a492d047c9e800ce79158d40)) ### Bugs fixed - Convert license settings into PEP-639 format [#431](https://github.com/jupyter/jupyter_core/pull/431) ([@jbedorf](https://github.com/jbedorf)) - use env config path for system config path when no system config path [#430](https://github.co | Low | 5/27/2025 |
| v5.8.0 | ## 5.8.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.7.2...23150c018f00101d5459d3fa228498bea9be7279)) ### Security - Fixes CVE-2025-30167 / GHSA-33p9-3p43-82vq on Windows (advisory to be published 2025-06-02) ### Bugs fixed - fix: handle RuntimeError correctly in run_sync [#425](https://github.com/jupyter/jupyter_core/pull/425) ([@hugokerstens](https://github.com/hugokerstens)) ### Maintenance and upkeep improvements - add security.md [#422](https:// | Low | 5/26/2025 |
| v5.7.2 | ## 5.7.2 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.7.1...1264a81fc834f18db2b41e136ec4ac9d1a4ad993)) ### Maintenance and upkeep improvements - Update Release Scripts [#396](https://github.com/jupyter/jupyter_core/pull/396) ([@blink1073](https://github.com/blink1073)) - Enforce pytest 7 [#393](https://github.com/jupyter/jupyter_core/pull/393) ([@blink1073](https://github.com/blink1073)) - chore: update pre-commit hooks [#392](https://github.com/jupyter/jupyter_core/ | Low | 3/12/2024 |
| v5.7.1 | ## 5.7.1 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.7.0...8e69e7f1b856099c057e9711d5a439b33ef859d3)) ### Bugs fixed - Derive JupyterAsyncApp from JupyterApp [#389](https://github.com/jupyter/jupyter_core/pull/389) ([@blink1073](https://github.com/blink1073)) ### Contributors to this release ([GitHub contributors page for this release](https://github.com/jupyter/jupyter_core/graphs/contributors?from=2024-01-03&to=2024-01-08&type=c)) [@blink1073](https://github.co | Low | 1/8/2024 |
| v5.7.0 | ## 5.7.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.6.1...19912f49cfb9e2645e08fd1bd599b95206387d2d)) ### Enhancements made - Modernize event loop behavior [#387](https://github.com/jupyter/jupyter_core/pull/387) ([@blink1073](https://github.com/blink1073)) ### Maintenance and upkeep improvements - chore: update pre-commit hooks [#388](https://github.com/jupyter/jupyter_core/pull/388) ([@pre-commit-ci](https://github.com/pre-commit-ci)) ### Contributors to this r | Low | 1/3/2024 |
| v5.6.1 | ## 5.6.1 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.6.0...f81186b2f31fe79949fe5bcd5ea0da6b0794a8fb)) ### Bugs fixed - Fix export of package version [#386](https://github.com/jupyter/jupyter_core/pull/386) ([@blink1073](https://github.com/blink1073)) - Revert "Enable async JupyterApp" [#385](https://github.com/jupyter/jupyter_core/pull/385) ([@blink1073](https://github.com/blink1073)) ### Maintenance and upkeep improvements - Bump github/codeql-action from 2 to 3 | Low | 1/1/2024 |
| v5.6.0 | ## 5.6.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.5.1...e33fb748b435de7d587d9c2bfdcbb5f3ee73b4bd)) ### Enhancements made - Enable async JupyterApp [#381](https://github.com/jupyter/jupyter_core/pull/381) ([@blink1073](https://github.com/blink1073)) ### Contributors to this release ([GitHub contributors page for this release](https://github.com/jupyter/jupyter_core/graphs/contributors?from=2023-12-18&to=2023-12-26&type=c)) [@blink1073](https://github.com/search | Low | 12/26/2023 |
| v5.5.1 | ## 5.5.1 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.5.0...4e387a4e95b1064cca4a97dd7324b29d14b6e3b7)) ### Bugs fixed - Account for read only file systems in migration [#379](https://github.com/jupyter/jupyter_core/pull/379) ([@blink1073](https://github.com/blink1073)) ### Maintenance and upkeep improvements - Update ruff and typings [#376](https://github.com/jupyter/jupyter_core/pull/376) ([@blink1073](https://github.com/blink1073)) - chore: update pre-commit hook | Low | 12/18/2023 |
| v5.5.0 | ## 5.5.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.4.0...df0e9e709ebe208df799ec08030b7d7eb15c9cf9)) ### Maintenance and upkeep improvements - Fix typing for traitlets 5.13 [#372](https://github.com/jupyter/jupyter_core/pull/372) ([@blink1073](https://github.com/blink1073)) - Adopt pydata sphinx theme [#371](https://github.com/jupyter/jupyter_core/pull/371) ([@blink1073](https://github.com/blink1073)) - Use ruff format [#370](https://github.com/jupyter/jupyter_core | Low | 10/30/2023 |
| v5.4.0 | ## 5.4.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.3.2...d6a748262a44334f27008e8c90d2557f46481f5b)) ### Maintenance and upkeep improvements - Add python 3.12 support [#367](https://github.com/jupyter/jupyter_core/pull/367) ([@blink1073](https://github.com/blink1073)) - Update typings for traitlets 5.11 [#366](https://github.com/jupyter/jupyter_core/pull/366) ([@blink1073](https://github.com/blink1073)) ### Contributors to this release ([GitHub contributors page | Low | 10/10/2023 |
| v5.3.2 | ## 5.3.2 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.3.1...0cf041784533c56da138a0947b6db29999790247)) ### Bugs fixed - Fix event loop handling [#362](https://github.com/jupyter/jupyter_core/pull/362) ([@blink1073](https://github.com/blink1073)) ### Maintenance and upkeep improvements - Bump actions/checkout from 3 to 4 [#361](https://github.com/jupyter/jupyter_core/pull/361) ([@dependabot](https://github.com/dependabot)) - Adopt sp-repo-review [#360](https://githu | Low | 9/27/2023 |
| v5.3.1 | ## 5.3.1 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.3.0...c64421919f6627f82c8899018bba0836760331f4)) ### Bugs fixed - Better handling of config migration [#356](https://github.com/jupyter/jupyter_core/pull/356) ([@smartass101](https://github.com/smartass101)) ### Maintenance and upkeep improvements - Fix write_executable test [#351](https://github.com/jupyter/jupyter_core/pull/351) ([@blink1073](https://github.com/blink1073)) - Use local coverage [#349](https://g | Low | 6/14/2023 |
| v5.3.0 | ## 5.3.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.2.0...6cfe9fc042a0f016a0d4545bc6790b8277d80c24)) ### Bugs fixed - Fix pywin32 version constraint [#347](https://github.com/jupyter/jupyter_core/pull/347) ([@blink1073](https://github.com/blink1073)) ### Maintenance and upkeep improvements - Add license [#344](https://github.com/jupyter/jupyter_core/pull/344) ([@dcsaba89](https://github.com/dcsaba89)) - Support platformdirs 3 [#342](https://github.com/jupyter/jup | Low | 3/16/2023 |
| v5.2.0 | ## 5.2.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.1.5...98b9a1a94e79d1137246b4c1f8c16343b72b050c)) ### Enhancements made - Set up shell command-line tab-completion for jupyter and subcommands [#337](https://github.com/jupyter/jupyter_core/pull/337) ([@azjps](https://github.com/azjps)) ### Maintenance and upkeep improvements - Add more linting [#338](https://github.com/jupyter/jupyter_core/pull/338) ([@blink1073](https://github.com/blink1073)) ### Contributors | Low | 1/30/2023 |
| v5.1.5 | ## 5.1.5 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.1.4...269449fe4dcb8d427b54337d83bcb67bf50e87da)) ### Maintenance and upkeep improvements - MAINT: Don't format logs in log call. [#336](https://github.com/jupyter/jupyter_core/pull/336) ([@Carreau](https://github.com/Carreau)) ### Contributors to this release ([GitHub contributors page for this release](https://github.com/jupyter/jupyter_core/graphs/contributors?from=2023-01-23&to=2023-01-24&type=c)) [@Carreau] | Low | 1/24/2023 |
| v5.1.4 | ## 5.1.4 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.1.3...c268e9133b37f710360a102f3a5d47a84e8cadc8)) ### Bugs fixed - Suppress any exception in \_do_i_own shortcut [#335](https://github.com/jupyter/jupyter_core/pull/335) ([@minrk](https://github.com/minrk)) ### Contributors to this release ([GitHub contributors page for this release](https://github.com/jupyter/jupyter_core/graphs/contributors?from=2023-01-09&to=2023-01-23&type=c)) [@minrk](https://github.com/sea | Low | 1/23/2023 |
| v5.1.3 | ## 5.1.3 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.1.2...eb65690cb69a793edeb21b520c2358332933bb5d)) ### Bugs fixed - Clear the test environment before each function run [#333](https://github.com/jupyter/jupyter_core/pull/333) ([@jasongrout](https://github.com/jasongrout)) ### Maintenance and upkeep improvements - Add check-wheel-contents ignore [#332](https://github.com/jupyter/jupyter_core/pull/332) ([@blink1073](https://github.com/blink1073)) - Remove only abs | Low | 1/9/2023 |
| v5.1.2 | ## 5.1.2 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.1.1...4bd8ba97c99fefc416fe43411f935d40e2b7e441)) ### Maintenance and upkeep improvements - Add spell check and ensure docstrings [#327](https://github.com/jupyter/jupyter_core/pull/327) ([@blink1073](https://github.com/blink1073)) - Maint: Some more precise typing. [#326](https://github.com/jupyter/jupyter_core/pull/326) ([@Carreau](https://github.com/Carreau)) ### Documentation improvements - Add api docs [#328 | Low | 1/2/2023 |
| v5.1.1 | ## 5.1.1 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.1.0...1ed25e389116fbb98c513ee2148f38f9548e6198)) ### Enhancements made - Only prefer envs owned by the current user [#323](https://github.com/jupyter/jupyter_core/pull/323) ([@minrk](https://github.com/minrk)) ### Bugs fixed - Don't treat the conda root env as an env [#324](https://github.com/jupyter/jupyter_core/pull/324) ([@minrk](https://github.com/minrk)) ### Maintenance and upkeep improvements - Fix lint | Low | 12/22/2022 |
| v5.1.0 | ## 5.1.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/v5.0.0...9a976bb7d4f2d7092b2ee98b05a30eb1ff0be425)) ### Enhancements made - Add run_sync and ensure_async functions [#315](https://github.com/jupyter/jupyter_core/pull/315) ([@davidbrochart](https://github.com/davidbrochart)) ### Maintenance and upkeep improvements - Add more path tests [#316](https://github.com/jupyter/jupyter_core/pull/316) ([@blink1073](https://github.com/blink1073)) - Clean up workflows and add | Low | 11/28/2022 |
| v5.0.0 | ## 5.0.0 ([Full Changelog](https://github.com/jupyter/jupyter_core/compare/4.9.2...fdbb55b59575a3eb6aeb502998a835b013401412)) ### Major Changes #### Prefer Environment Level Configuration We now make the assumption that if we are running in a virtual environment, we should prioritize the environment-level `sys.prefix` over the user-level paths. Users can opt out of this behavior by setting `JUPYTER_PREFER_ENV_PATH`, which takes precedence over our autodetection. #### Migrate to Standard P | Low | 11/9/2022 |
| 5.0.0rc0 | ## What's Changed * Try to detect if we are in a virtual environment and change path precedence accordingly by @jasongrout in https://github.com/jupyter/jupyter_core/pull/286 * Update broken link to `Contributing` guide by @jamesr66a in https://github.com/jupyter/jupyter_core/pull/289 * Add current working directory as first config path by @blink1073 in https://github.com/jupyter/jupyter_core/pull/291 * Use platformdirs for path locations by @blink1073 in https://github.com/jupyter/jupyter_c | Low | 9/28/2022 |
| 4.11.1 | ## What's Changed * Fix inclusion of jupyter file and check in CI by @blink1073 in https://github.com/jupyter/jupyter_core/pull/276 **Full Changelog**: https://github.com/jupyter/jupyter_core/compare/4.11.0...4.11.1 | Low | 7/8/2022 |
| 4.11.0 | ## What's Changed * Use hatch backend by @blink1073 in https://github.com/jupyter/jupyter_core/pull/265 * is_hidden: Use normalized paths by @martinRenou in https://github.com/jupyter/jupyter_core/pull/271 ## New Contributors * @martinRenou made their first contribution in https://github.com/jupyter/jupyter_core/pull/271 **Full Changelog**: https://github.com/jupyter/jupyter_core/compare/4.10.0...4.11.0 | Low | 7/7/2022 |
| 4.10.0 | ## What's Changed * Update changelog for 4.9.2 by @blink1073 in https://github.com/jupyter/jupyter_core/pull/252 * Include all files from `jupyter_core` by @jonringer in https://github.com/jupyter/jupyter_core/pull/253 * Add project URLs to setup.cfg by @tlinhart in https://github.com/jupyter/jupyter_core/pull/254 * Set up pre-commit by @blink1073 in https://github.com/jupyter/jupyter_core/pull/255 * [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/jupyter/jupyt | Low | 4/18/2022 |
| 4.9.2 | ## What's Changed * set proper sys.argv[0] for subcommand by @bnavigator in https://github.com/jupyter/jupyter_core/pull/248 * Add explicit encoding in open calls by @dlukes in https://github.com/jupyter/jupyter_core/pull/249 * jupyter_config_dir - reorder home_dir initialization by @dharmaquark in https://github.com/jupyter/jupyter_core/pull/251 ## New Contributors * @bnavigator made their first contribution in https://github.com/jupyter/jupyter_core/pull/248 * @dlukes made their first | Low | 2/15/2022 |
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