Release Notes

Version 0.3.6 (12 December 2024)

Features

The UI layout is significantly improved, with better use of space on wide displays.

Datetime columns in dataframes are now automatically added to the coloring menu.

Fixes

Images can now be displayed in the data table in Google Colab notebooks.

Logs from the server used to display images in the data table no longer appear in notebook output cells.

Version 0.3.5 (19 November 2024)

Beginning with version 0.3.5, Cobalt is available to install directly from the PyPI repository with pip install cobalt-ai. Users can also register for a trial or noncommercial license directly from the Python interface by running cobalt.register_license().

Fixes

A bug in the calculation of t-statistics for the group comparison table was fixed.

Opening the UI for a dataset without any embedding arrays will no longer result in a difficult to understand error.

Creating a dataset with columns of non-hashable dtype no longer results in an exception being raised.

Node labels no longer remain displayed after a node is deselected in the graph.

Version 0.3.4 (25 October 2024)

Features

Added an experimental interface for automated group analysis in cobalt.lab.

CobaltDataset objects can now be saved to disk and reloaded.

Added support for displaying images hosted on a remote server in the data table.

Paragraph breaks are now rendered in text displayed in the data table.

Text keywords now include bigrams as well as unigrams for increased specificity.

Fixes

Dialog boxes now display correctly in Visual Studio Code notebooks.

The UI is now more legible in notebooks using a dark-themed interface.

The number of rows shown in the data table is now preserved when the selected data subset changes.

Version 0.3.3 (20 September 2024)

Features

Added an option to repeat colors from the colormap when coloring by a categorical column. This can be useful in situations where there are many more categories than available colors.

Added an option to color a graph by a set of clusters created with the Workspace.find_clusters() method.

Added cobalt.setup_license() to streamline license key configuration.

The Cobalt UI now supports Google Colab notebooks.

Performance Improvements

Improved responsiveness of the coarseness and connectivity sliders.

Fixes

Fixed a problem where some categorical columns could be detected as text and automatically used as input to keyword analysis.

Fixed a problem where trying to view a graph with too many nodes could cause the UI to crash.