v1.58.0

Added

• Add ticklabelposition attribute to cartesian axes and colorbars [#5275],
  this feature was anonymously sponsored: thank you to our sponsor!
• Add "strict" autotypenumbers to axes and layout [#5240]
• Add itemwidth to legends [#5212],
  with thanks to @s417-lama for the contribution!
• Add root.color attribute to sunburst and treemap traces [#5232, #5245],
  with thanks to @thierryVergult for the contribution!

Changed

• Enable fast image rendering for all linear axes [#5307],
  with thanks to @almarklein for the contribution!
• Rework matches and scaleanchor so they work together [#5287]

Fixed

• Fix hover on mobile and tablet devices for gl3d subplots [#5239]
  (regression introduced in 1.34.0), with thanks to @jdpaterson for the contribution!
• Fix interactions when static/dynamic CSS transforms e.g. scale and translate are applied to the
  graph div or its parents [#5193, #5302], with thanks to @alexhartstone for the contribution!
• Fix reordering of mapbox raster and image layers on update [#5269]
• Fix categoryorder for missing values in cartesian traces [#5268]
• Fix automargin bug to provide space for long axis labels [#5237]
• Avoid styling of backgrounds during automargin redraws [#5236]
• Fix displaying zero length bars with staticPlot config option [#5294]
• Fix setting false locale to "en-US" [#5293]
• Fix typo in Czech locale file [#5255],
  with thanks to @helb for the contribution!
• Fix gl3d scene initialization [#5233]

v1.57.1

Changed

• Update template for new pull requests [#5220]
• Provide a default hovertemplate label for attribute "base" in bar traces [#5216]

Fixed

• Fix staticPlot behaviour for rangeslider and legend [#5210],
  with thanks to @miqh for the contribution!
• Fix colorbar react to new styles [#5217],
  with thanks to @anaplian for the contribution!
• Fix computed margins when plot involves too many redraws [#5225]
• Fix build issue for Chart Studio Cloud (regression introduced in 1.56.0) [#5223]

v1.57.0

Added

• Introduce "domain" axis references in layout images, shapes and annotations [#5014]
• Add rotation attribute to sunburst traces [#5171, #5201],
  with thanks to @thierryVergult for the contribution!
• Provide computed margins in "full-json" export [#5203],
  this feature was anonymously sponsored: thank you to our sponsor!

Changed

• Mention the "full-json" option in the Plotly.toImage warning [#5204]
• Use current graph dimensions in Plotly.downloadImage [#5209]

Fixed

• Fix importing color modules for webpack users (regression introduced in 1.56.0) [#5189]
• Fix positioning ticks and labels on axes with rangebreaks and/or "period" ticklabelmode [#5187, #5208]
• Fix autorange computation when a category matches a range extreme [#5211],
  with thanks to @LoganWlv for the contribution!
• Fix displaying modebar after Plotly.restyle [#5181],
  with thanks to @Yook74 for the contribution!

v1.56.0

Added

• Introduce period positioning attributes on date axes in various cartesian traces [#5074, #5175],
  this feature was anonymously sponsored: thank you to our sponsor!
• Add minexponent attribute to improve control over SI prefixes in axis tick labels [#5121],
  with thanks to @ignamv for the contribution!
• Add sort attribute to sunburst and treemap traces to disable automatic sort [#5164],
  with thanks to @thierryVergult for the contribution!
• Handle rgba colors in colorscale of surface traces [#5166],
  with thanks to @lucapinello for the contribution!

Changed

• Disable undesirable text selections on graphs [#5165]
• Adjust tick0 for weekly periods [#5180]
• More informative error messages when creating sunburst and treemap charts [#5163]

Fixed

• Fix positioning legend items [#5139],
  with thanks to @fredrikw for the contribution!
• Fix rounding big numbers in pie and sunburst traces [#5152]
• Display marker and line colors in scatter3d and scattergl when hovering [#4867]

v1.55.2

Fixed

• Fix automargin when ticklabelmode is set to "period" [#5134]

v1.55.1

Fixed

• Install image-size module in dependencies [#5119]

v1.55.0

Added

• Introduce "period" ticklabelmode on cartesian date axes [#4993, #5055, #5060, #5065, #5088, #5089]
• Add new formatting options for weeks and quarters [#5026]
• Add source attribute to image traces for fast rendering [#5075]
• Add zsmooth attribute for discrete heatmapgl traces [#4953], with thanks to @ordiology for the contribution!
• Add horizontal and vertical markers for arrow charts [#5010]
• Add touch support to rangeslider [#5025], with thanks to @priyanomi, @cristiantx, @JasDev42 for their contribution!

Changed

• Improve contribution guide & readme, add code of conduct [#5068]
• Bump various dev-dependencies namely bubleify and glslify [#5084, #5085, #5118]

Fixed

• Fix updating title and tick labels during transition with react [#5045]
• Fix table wheel scroll for Firefox [#5051], with thanks to @ManelBH for the contribution!
• Fix ISO-8601 short time zone format [#5015], with thanks to @mtgto for the contribution!
• Fix numeric periods on date axes for bar with base [#5061]
• Fix bar and box widths on categorical axes in "overlay" mode [#5072]
• Fix symbol numbers in string format [#5073]
• Fix gl2d marker sizes [#5093]
• Fix default latitude span in geo subplots [#5033]
• Improve axis tick increment [#5114]

v1.54.7

Changed

• Revert [#4904] to fix a template regression introduced in 1.54.4 [#5016]

v1.54.6

Fixed

• Link matching axes categories during Plotly.relayout calls
  (regression introduced in 1.54.2) [#4977]
• Fix "median" aggregation transforms [#4969]
• Fix parcats category order when the dimension only includes numbers [#4973]
• Fix numeric sort in ternary drag [#4975]
• Fix heatmapgl supply defaults not to add unimplemented attributes
  xcalendar, ycalendar, xgap, ygap, zsmooth, zhoverformat,
  hoverongaps and hovertemplate to gd._fullData [#4950]
• Fix contourgl supply defaults not to add unimplemented attributes
  xcalendar, ycalendar to gd._fullData [#4951]

v1.54.5

Fixed

• Fix placement of dividers on reversed-range multicategory axes [#4939]
• Fix placement of candlestick, ohlc and box plots on axes with rangebreaks [#4937]
• Handle undefined layout and data arguments in Plotly.validate [#4938]