v1.20.5

Fixed

• Fix 1.20.0 regression in handling numerical strings including commas and spaces
  [#1185]
• Fix 1.20.0 regression involving date histograms [#1186]
• Fix numerous tickvalsandticktext` edge cases [#1191]

v1.20.4

Fixed

• Fix metaKeys field in PlotSchema.get() output

v1.20.3

Fixed

• Remove infinite loop when plotting 1-pt scattergl traces [#1168]
• Fix updatemenu bug where the wrong button was set to active [#1176]
• Fix addTraces when called with existing traces as input [#1175]

v1.20.2

Fixed

• Fix hover labels in stacked bar charts [#1163]
• Fix mode bar zoom buttons on date axes [#1162]

v1.20.1

Fixed

• Fix annotation positioning on categorical axes [#1155]

v1.20.0

Added

• Allow date string inputs for axis ranges, tick0, dtick, annotation / image
  positions, histogram bins [#1078, #1150]
• Add special dtick values for log axes [#1078]
• Add visible attribute to annotations, shapes and images items [#1110]
• Expose events on slider start/change/end [#1126]
• Expose event on updatemenu button click [#1128]
• Allow custom transform module to have supply layout default handler [#1122]

Changed

• Increase scattergl precision [#1114]
• Use topojson-client to convert topojson to geojson [#1147]

Fixed

• Fix hover labels for multi-trace scattergl graphs (bug introduced in
  1.18.0) [#1148]
• Fix date format on hover on full hour [#1078]
• Fix bar labels for non-zero base values [#1142]
• Scatter colorscale now yield correct colors when cmin and cmax ashow re equal
  [#1112]
• Fix filter transform for categorical target arrays with range operations
  [#1120]
• Make sure frames with null values clear array containers [#1118]
• Fix animations involving trace opacity [#1146]
• Fix fallback for non-animatable trace modules (bug introduced in 1.18.1)
  [#1141]
• Fix race condition in animation resolution when coupled with relayout
  [#1108]
• Enforce casting requested frame names to strings [#1124]
• Plotly.animte no longer breaks when passing null frames [#1121]
• Plotly.PlotSchema.get now correctly list rangeslider and rangeselector under
  xaxis only [#1144]
• Plotly.relayout correctly updates arbitrary layout attributes [#1133]

v1.19.2

Fixed

• Fix hover label positioning on bar traces [#1107]

v1.19.1

Fixed

• Fix dist bundles [#1094]

v1.19.0

Unpublished on npm and CDN due to broken dist bundles.

Added

• Add two-argument Plotly.plot call signature [#1014]
• Add two-way binding functionality to updatemenus and sliders [#1016]
• Add width, base and offset attribute to bar trace [#1075]
• Add fromcurrent and direction animation options [#1087]
• Add ability to filter by arbitrary array [#1062]

Changed

• Rename filtersrc filter transform attribute target (with
  backward-compatible map) [#1062]
• Bump sane-topojson requirement to 2.0.0. New topojson dist files fix
  the Michigan state border [#1077]
• scattergl now handles higher resolution dates [#1033]
• Improve error messages in Plotly.animate [#1088]

Fixed

• Plotly.newPlot now respect user-defined layout height and width [#537]
• Fix dendrogram cartesian axis layers [#1063]
• Fix RGBA colorscale handler for contour [#1090]
• Fix gl2d axis title positioning [#1067]
• Fix gl2d multi-line axis tick labels display [#1087]
• Fix performance deficit of scattergl trace type with date coordinates [#1021]
• Fix ohlc trace offset computation [#1066]
• Fix ohlc and candlestick default trace names [#1073]
• Make Plotly.animate work with frames container array containers (e.g
  annotations) [#1081]
• Make restyle and relayout consistently remove items in array containers
  when called with value argument null [#1086]

v1.18.1

Fixed

• Fix cartesian subplot resize [#1049]
• Fix cartesian interactivity after click [#1049]
• Fix scattergeo traces with not-found country names [#1046]
• Honor 'name' hoverinfo flag in ohlc traces [#1050]
• Fix animation merging for frames including array containers [#1041, #1048]
• Fix requestAnimationFrame polyfill for script-tag imports [#1039]