Issues

• Improve time to plot performance for larger datasets.

  tag: component: bokehjstag: performance
  Task

  bokeh/bokeh#15517 · Filter by author muendlein opened on Oct 14, 2026 · 4.0

• Further improvement ideas for BokehJS baseline review interface

  TRIAGE
  bokeh/bokeh#15515 · Filter by author dalthviz opened on Oct 14, 2026

• Use ruff rule D417 to find some misstakes in the docs

  tag: component: docs
  Task

  bokeh/bokeh#15428 · Filter by author mosc9575 opened on Sep 6, 2026 · 4.0

• Add first-party artifact-based notebook support for Bokeh 4.0

  pythontag: component: bokehjstag: notebook
  Feature

  bokeh/bokeh#15414 · Filter by author bryevdv opened on Sep 3, 2026 · 4.0

• Selection outline around plots during pan

  type: discussion
  bokeh/bokeh#15406 · Filter by author bryevdv opened on Sep 2, 2026
  6

• ScaleBar in a side panel is drawn outside the plot

  bokeh/bokeh#15391 · Filter by author ghostiee-11 opened on Aug 30, 2026

• Add a way to give more feedback to users about custom CSS definitions validity

  TRIAGE
  bokeh/bokeh#15381 · Filter by author dalthviz opened on Aug 27, 2026

• Visual property reads always consult the CSS cascade, even when no --bk-* variables are defined

  bokeh/bokeh#15286 · Filter by author SimonHeybrock opened on Jul 30, 2026

• GridBoxView._update_layout throws when child views lag child models: Cannot read properties of undefined (reading 'parent_style')

  bokeh/bokeh#15274 · Filter by author SimonHeybrock opened on Jul 29, 2026

• Add hover_*wheel_zoom

  tag: toolstype: feature
  Feature

  bokeh/bokeh#15209 · Filter by author ahuang11 opened on Jul 13, 2026 · 4.0
  3

• Ideas for sliders handles CSS classes definitions following redesign

  TRIAGE
  bokeh/bokeh#15199 · Filter by author dalthviz opened on Jul 9, 2026

• Migrate layouts to virtual DOM

  tag: UI: componentstype: task
  Task

  bokeh/bokeh#15185 · Filter by author mattpap opened on Jun 29, 2026 · 4.0
  

• Coordinate disformation in scatter plot select after embedded in PYQT6

  TRIAGEtype: discussion
  Discussion

  bokeh/bokeh#15181 · Filter by author zw-huang opened on Jun 26, 2026
  3

• Tooltip needs display delay and animation

  tag: CSStag: UI: componentstype: feature
  Feature

  bokeh/bokeh#15169 · Filter by author mattpap opened on Jun 23, 2026 · 4.0

• Dark mode impacts bokeh json_item / embed

  tag: CSSTRIAGE
  bokeh/bokeh#15155 · Filter by author a-gertner opened on Jun 17, 2026
  4

• Setting resizeable='none' on RangeTool overlay has no effect (server side)

  type: discussion
  Discussion

  bokeh/bokeh#15142 · Filter by author a-gertner opened on Jun 8, 2026
  6

• Spline based plot doesn't show legends properly and other possible issues (BokehJS)

  tag: component: bokehjstype: bug
  Bug

  bokeh/bokeh#15134 · Filter by author dalthviz opened on Jun 5, 2026 · 4.x
  1

• DateRangePicker inline update from JS does not show inline calendar

  TRIAGE
  bokeh/bokeh#15130 · Filter by author ym-xie opened on Jun 4, 2026
  1

• Ray.length_units differs between initial render and DocumentReady update

  TRIAGE
  bokeh/bokeh#15128 · Filter by author ym-xie opened on Jun 4, 2026

• DateTimeRangeSlider format differs between initial render and DocumentReady update

  TRIAGE
  bokeh/bokeh#15127 · Filter by author ym-xie opened on Jun 4, 2026

• Input widgets with disabled=True before initial render look enabled

  TRIAGE
  bokeh/bokeh#15126 · Filter by author ym-xie opened on Jun 4, 2026
  1

• Fix ambiguity of indices vs indices mask

  tag: codebasetag: component: bokehjstype: task
  Task

  bokeh/bokeh#15102 · Filter by author muendlein opened on May 29, 2026 · 4.0
  1

• Dark theme leaking to light theme.

  type: discussion
  Discussion

  bokeh/bokeh#15095 · Filter by author muendlein opened on May 25, 2026 · 4.0
  8

• AutoCompleteInput list cannot overflow its container

  tag: component: bokehjstag: UI: componentstype: bug
  Bug

  bokeh/bokeh#15090 · Filter by author numenic opened on May 22, 2026 · 4.0
  2

• Create a 'fresh' theme

  tag: CSStype: feature
  Feature

  bokeh/bokeh#15075 · Filter by author ahuang11 opened on May 12, 2026 · 4.0