.. _release-3-1-0:

3.1.0

Bokeh Version 3.1.0 (Mar 2023) is a minor milestone of Bokeh project.

Changes

• Official support for Python 3.11
• JavaScript event hooks for document_ready and connection_lost (:bokeh-issue:4272, :bokeh-issue:11328)
• Public APIs for CSS styles and stylesheets (:bokeh-issue:12688)
• Colormapping of 3D stacked image arrays (:bokeh-issue:12356)
• Convenience construct_colorbar API for glyphs (:bokeh-issue:12736)
• Multi-line legend items (:bokeh-issue:12331)
• Gridded legends via nrows and ncols (:bokeh-issue:3880)
• New properties Text glyph properties: background, border, border_radius, padding, etc. (:bokeh-issue:12529)
• Add rounded corners for rectangular glyphs Rect, Block, etc. (:bokeh-issue:11348)
• Fill properties for slope annotations (:bokeh-issue:9194)
• Editable annotations and persistent selection overlays (:bokeh-issue:12468)