Version 1.20.0

This release focuses on performance improvement, enhancing streaming support, and refining popup functionality, along with several bug fixes.
Many thanks to the new contributors @grapesmoker, @arafune, and @LecrisUT, as well as the returning contributors @ahuang11, @droumis, @jbednar, @maximlt, @philippjfr, and @hoxbro.

Enhancements

• De-parameterize the options Keywords objects (#6314)
• Freeze models while updating plot(s) (#6315)
• Support hit-tested group-wise wheel zoom renderers for subcoordinate_y (#6277)
• Adds Bokeh 3.5 enhancements to RangeToolLink (#6341)
• Add MultiAxisTap stream (#6374)
• Add sublabel_index and sublabel_skip option for matplotlib backend (#6375)
• Handle datetimes and empty selections better for inspect operations (#6377)
• Improve following behavior when streaming (#6318)
• Enh: Add Scalebar support for subcoordinate_y plots (#6403, #6420)
• Support async callbacks for popup (#6390)
• Add popup position and anchor (#6414)

Bug fixes

• Wrap popup in set_curdoc (#6337)
• Fixes popup being invisible forever after closing once (#6347)
• Disable simple id in notebook (#6367)
• Ensure pixel_ratio is applied when computing resampling coordinates (#6373)
• Add support for rendering HLine, VLine and Span on multi_y (#6376)
• Drop the z dimension from ImageStack DataArray before shading (#6378)
• Improve datetime support for continuous hv.Bars (#6365)
• Don't clone Span in HoverTool (#6387)
• Ensure proper cleanup of stream subscribers (#6389)
• Handle datetime selection in the cuDF interface (#6407)
• Fix popup positioning on polygons (#6411)
• Fix a problem where linked selections were resulting in repeated columns (#6336)
• Ensure streams are correctly mapped to plots (#6415)
• Fix Bars width for small discrete differences on the x-axis (#6428)
• Documentation fixes (#6392, #6421)
• Fix rasterizing a Path where categorical values include empty strings (#6429)

Compatibility

• Handle DeprecationWarning from Pandas (#6346, #6391)
• Compatibility with Ibis 9.5 (#6371), Python 3.13 (#6383), cuDF 24.10 (#6409), and Matplotlib 3.10 (#6431)