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]

v1.54.4

Changed

• Bump ecstatic, gl-selet-static, gl-plot2d & gl-plot3d and drop cwise to simplify build process & address security warnings [#4929, #4930, #4934]

Fixed

• Fix setting width and color of lines via template various attributes namely tickcolor, tickwidth, ticklen, linecolor, linewidth, zerolinecolor, zerolinewidth, gridcolor, gridwidth, etc. [#4904]

v1.54.3

Fixed

• Fix autosize case of hidden div with non-px size [#4925]

v1.54.2

Changed

• Bump regl dependency to v1.6.1 [#4881]
• Bump ndarray dependency to v1.0.19 [#4910]
• Bump mapbox-gl dependency to v1.10.1 [#4859]
• Improve docs about building Plotly with Angular [#4182]

Fixed

• Fix wheel event for IE-11 [#4385]
• Fix plot_bgcolor react [#4816]
• Fix legend.title react [#4827]
• Fix rangebreaks on candlestick & ohlc traces [#4814]
• Fix rangebreaks on heatmap traces with 2-D z array [#4821]
• Fix rangebreaks on histogram2d traces [#4829]
• Fix rangebreaks overlapping and tick positions [#4831]
• Fix "array" tickmode on date & log axes [#4851]
• Fix category order of matching axes when calling react [#4832]
• Fix for bypassing non-string ids during matching axes [#4858]
• Fix selection of single value dimensions in parcoords traces [#4878]
• Fix bar lengths in milliseconds from base [#4900]
• Fix gl3d ticks when converting dates to milliseconds
  (regression introduced in 1.21.0) [#4903]

v1.54.1

[1.54.1] -- 2020-05-04

Changed

• Update dependencies in package.json & package-lock.json [#4799, #4800, #4802, #4805, #4811]

Fixed

• Set pointer-events only for editable shapes to allow pan, zoom & hover
  events to work inside shapes (regression introduced in 1.54.0) [#4810]
• Update and validate various mocks [#4762]

v1.54.0

Added

• Introduce new drag modes "drawline", "drawrect", "drawcircle", "drawopenpath", "drawclosedpath" &
  add optional modebar buttons for drawing & removing new shapes inside cartesian subplots &
  add newshape and activeshape attributes to layout &
  add editable and fillrule attributes to layout.shapes [#4775]
• Add angle and allowoverlap attributes to marker of scattermapbox traces [#4575, #4794]
• Add Portuguese (Portugal) pt-pt locale [#4736]

Changed

• Bump WebGL modules including mapbox-gl and is-mobile [#4731, #4752, #4791]
• Bump jsdom, d3-force, minify-stream, topojson-client and es6-promise [#4751, #4768, #4772, #4773, #4774]

Fixed

• Sanitize sourceattribution in mapbox layers [#4793]
• Fix reactto mapbox style changes [#4720]
• Fix transform sort order with gaps [#4783]
• Fix autorange for bar and waterfall when base is present [#4714]
• Fix "extremes" opacityscale option for volume and surface [#4725]
• Fix no-WebGL warning for scattergl and splom traces [#4777]
• Fix notifier CSS to have a fallback in font stack [#4778]

v1.53.0

Added

• Introduce rangebreaks on date axes mainly thanks to [#4614] with API revision & improvements in
  [#4639, #4641, #4644, #4649, #4652, #4653, #4660, #4661, #4670, #4677, #4684, #4688, #4695, #4696, #4698, #4699]
• Introduce "(x|y) unified" hovermode [#4620, #4664, #4669, #4687]
• Add "hovered data" mode to spikesnap [#4665]
• Add "full-json" export format to Plotly.toImage and Plotly.dowloadImage [#4593]
• Add node.customdata and link.customdata to sankey traces [#4621]
• Add opacityscale for surface traces [#4480]

Changed

• Improve contour labels (add extra pad) and correct minus sign [#4540]
• Improve sizing text inside pie and sunburst (add extra pad) [#4519]
• Improve display of spikelines when spikedistance is set to -1 [#4637]
• Improve compare hovermode to include all points at same coordinate [#4664]
• Improve histogram hover labels (harmonize start & end values) [#4662]
• Display new colors on Plotly's logo [#4691]
• Update links & descriptions to Chart Studio Cloud and plotly.com website [#4694]
• Update contributing guidelines & add info about trace module architecture [#4624]
• Require config.plotlyServerURL to be set for Chart Studio export [#4690]

Fixed

• Fix Plotly.downloadImage to match transparencies in gl3d plots with the on-screen render [#4566]
• Fix amount of transparency applied by opacity in surface traces [#4480, #4642]
• Fix gaps in bar traces (regression introduced in 1.50.0) [#4634]
• Fix gaps in funnel & waterfall [#4663]
• Fix template to set axis type, tickformatstops, tick0, dtick, tickvals and tickmode [#4670, #4685]