Issues

Issues

• [BUG]: Color validator rejects CSS color formats that plotly.js accepts

  plotly/plotly.py#5867 · opened on Nov 3, 2026
  1

• [BUG]: Timezone-aware pandas DatetimeIndex as x makes figure creation and to_json() ~30x slower

  plotly/plotly.py#5864 · opened on Nov 2, 2026
  2

• [BUG]: Duplicate FigureWidget import code in graph_objects and graph_objs

  plotly/plotly.py#5849 · opened on Oct 27, 2026

• to_typed_array_spec encodes bdata in host byte order; plotly.js always decodes it as little-endian

  plotly/plotly.py#5837 · opened on Oct 22, 2026
  1

• [FEATURE]: Support matplotlylib conversion of diagonal axlines

  plotly/plotly.py#5834 · opened on Oct 21, 2026
  1

• [BUG]: go.Scatter with fill="toself" has broken hover position when used with rangeslider.

  plotly/plotly.py#5830 · opened on Oct 20, 2026
  2

• [BUG]: NaT inside a datetime64 array serializes as the string "NaT" instead of null

  plotly/plotly.py#5829 · opened on Oct 20, 2026
  4

• [BUG]: Integer and string properties reject NumPy scalars

  plotly/plotly.py#5827 · opened on Oct 19, 2026
  1

• [BUG]: Single-color requests raise ZeroDivisionError in palette helpers

  plotly/plotly.py#5805 · opened on Oct 10, 2026
  1

• [BUG]: Access blocked to OpenStreetMaps raster tiles when saving the graph as .html file

  plotly/plotly.py#5798 · opened on Oct 8, 2026
  7

• [BUG]: make_subplots drops or misplaces row_titles/column_titles when an edge cell is spanned

  plotly/plotly.py#5792 · opened on Oct 6, 2026
  1

• [BUG]: Unnecessary UserWarning when using fig.write_image() with kaleido.start_sync_server()

  plotly/plotly.py#5786 · opened on Oct 1, 2026
  1

• Use group_by(maintain_order=True) in process_dataframe_hierarchy once narwhals exposes it

  plotly/plotly.py#5769 · opened on Sep 22, 2026

• Remove @types/plotly.js dependency

  plotly/plotly.py#5740 · opened on Sep 14, 2026

• [FEATURE]: Make it possible to base heights of horizontal bars (and widths of vertical bars) on a given variable

  plotly/plotly.py#5720 · opened on Sep 8, 2026
  4

• [BUG]: FigureWidget: layout.shapes not updated after drawing a path in JupyterLab

  plotly/plotly.py#5689 · opened on Aug 1, 2026
  4

• [BUG]: Odd polygon in land layer, extending into Canada on US choropleth

  plotly/plotly.py#5685 · opened on Jul 29, 2026
  1

• [FEATURE]: Support Curved-Boundary Bar Charts with Dynamic Phase/Threshold Detection

  plotly/plotly.py#5672 · opened on Jul 22, 2026
  4

• [FEATURE]: Make Plotly Express dataframe implementation-agnostic

  plotly/plotly.py#5667 · opened on Jul 18, 2026
  6

• [BUG]: Blank plot in Jupyterlab when plotly is installed in different virtual env from jupyter server

  plotly/plotly.py#5664 · opened on Jul 17, 2026
  3

• [BUG] dcc.Graph figure prop may include Plotly.js _inputArray for typed arrays

  plotly/plotly.py#5676 · opened on Jun 26, 2026
  5

• [BUG]: TOZEROY FILL IS FILLING AREAS OF THE PLOT THAT HAS NO DATA IN IT

  plotly/plotly.py#5632 · opened on Jun 22, 2026
  11

• [DOCS]: Use Virtual WebGL on all docs pages (or at least the ones that need it)

  plotly/plotly.py#5626 · opened on Jun 16, 2026
  2

• [BUG]: Subplot LaTeX titles misaligned

  plotly/plotly.py#5624 · opened on Jun 13, 2026
  3

• [BUG]: Violin box.line.color disappears after Plotly.restyle, but initial render shows it

  plotly/plotly.py#5619 · opened on Jun 8, 2026
  1