Version lifecycle#

Each major version of JupyterLab is maintained until one year after the following version’s first generally available release. This does not count alpha, beta, or release candidate (RC) versions.

After the end of maintenance date, no additional releases may be made, not even to fix security issues.

Major version lifecycles#

Version

Release Date

End of Maintenance

1.0.0

28 Jun 2019

28 Feb 2021

2.0.0

28 Feb 2020

23 Dec 2021

3.0.0

23 Dec 2020

15 May 2024 (see below)

4.0.0

15 May 2023

active

To help with the transition to JupyterLab 4, JupyterLab maintainers may make additional patch releases to JupyterLab 3 to fix critical issues until 31 December 2024.