Michał (Mike) Krassowski
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krassowski.bsky.social
Michał (Mike) Krassowski
@krassowski.bsky.social
77 followers 44 following 16 posts
Maintainer of JupyterLab. DPhil in omics/endometriosis - I miss research. Thinking how to leave the world a better place.
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krassowski.bsky.social
New exciting features are coming to #JupyterLab 4.5.0. Please test the release candidate before & during the JupyterCon (next week!)

Major enhancements around:
- performance and scroll stability
- notebook editing
- table of contents
- debugger
- terminal

jupyterlab.readthedocs.io/en/latest/ge...
New debugger features include a "Paused in Debugger" overlay, better breakpoint and callstack cell annotations, and evaluation in a debugger console. Search in terminal is now integrated with JupyterLab search widget Audio and video files can be opened in the main area New Python file can be created directly from context menu on the file browser.
October 31, 2025 at 9:32 AM
krassowski.bsky.social
JupyterLab 4.4.0b1 and Notebook 7.4.0b1 are available for testing 🎉
- improved code console
- settings import/export
- better real time collaboration
- workspace indicator
- kernel subshells

Please test:

pip install --pre 'jupyterlab>=4.4.0b1'

or

pip install --pre 'notebook>=7.4.0b1'
The option to change console prompt position is available under the three dots button in the console toolbar, which is the last toolbar button Toggling all the three new settings transforms the console into a single cell The Import and Export buttons in the Settings Editor are the first two items in the toolbar panel The workspace indicator in the open state
March 14, 2025 at 9:49 AM