v1.23.1

Fixed

• Fix relayout for scene.camera values [#1364]
• Fix scaling on axis corner drag interactions for bar traces [#1370]
• Allow bar and histogram traces to coexist on same subplot [#1365]
• Fix bar position computations when placeholder traces are present [#1310]
• Fix auto-axis-type routine for data-less candelesticktraces [#1359]

v1.23.0

Added

• Add scrollbox to long dropdown updatemenus [#1214]

Fixed

• Multiple IE9 fixes [#1332]
• Ensure that plotly_afterplot is fired before Plotly.plot promise is
  resolved [#1342]
• Fix exception when dragging graphs with empty text labels [#1336]
• Fix exception when creating empty ohlc and candlestick traces [#1348]
• Fix editable: true legend items logic for ohlc and candlestick traces [#1349]
• Fix restyle for contour traces in cases where autocontour is defaulted to true
  [#1338]
• Fix edge case in axis label tick assignments [#1324]
• Fix vanishing titles text in editable: true [#1351]
• Fix 3D thumbnail image generation [#1327]

v1.22.0

Added

• Add cumulative histogram attributes to generate Cumulative Distribution
  Functions [#1189]
• Add standoff attribute for annotations to move the arrowhead away from the
  point it's marking [#1265]
• Add clicktoshow, xclick and yclick attributes for annotations to
  show/hide annotations on click [#1265]
• Support data-referenced annotation in gl2d subplots [#1301, #1319]
• Honor fixedrange: false in y-axes anchored to xaxis with range slider
  [#1261]
• Add fallbacks for IE9 so that all cartesian traces can render without any
  polyfill [#1297, #1299]

Changed

• Adapt plot schema output for plotly.py 2.0 [#1292]
• Bump mouse-change dep to ^1.4.0 [#1305]
• Improve performance in visible toggling for scattergl [#1300]

Fixed

• Fix XSS vulnerability in trace name on hover [#1307]
• Fix ternary and geo subplot with visible: false first trace [#1291]
• Fix opacity for mode: 'lines' items in legend [#1204]
• Fix legend items style for bar trace with marker arrays [#1289]
• Fix range slider svg / pdf and eps image exports [#1306]
• Fix scattergl visible: false traces with empty data arrays [#1300]
• Fix a few contour trace edge cases [#1309]
• Updatemenus buttons now render above sliders [#1302]
• Add fallback for categorical histogram on linear axes [#1284]
• Allow style fields in sub and sup text [#1288]

v1.21.3

Fixed

• Fix zoom behavior on transformed traces [#1257]
• Compute axis auto-range after transform operation [#1260]
• Fix contour trace blowing up on zoom [#591]
• Fix scattermapbox and scattergeo handling of blank strings text [#1283]
• Lock [email protected] fixing 3D hover labels on fresh npm install
  [#1281]

v1.21.2

[1.21.2] -- 2016-12-14

• Fix handling of calendar in filter transforms where distinct calendars can
  now be set for both the target and value [#1253]
• Make Plotly.addFrames skip over non-plain-objects inputs [#1254]
• Make Plots.graphJson aware of frames [#1255]

v1.21.1

Fixed

• Fix ms2datetime routine for Chinese calendar [#1252]
• Fix tickformat for world calendars [#1252]

v1.21.0

Added

• Bar labels via text and textposition [#1159]
• Add support for 16 non-gregorian calendars for date inputs and display [#1220,
  #1230, #1237]
• Add support for ISO-8601 timestamps [#1194]
• Extend histogram bin auto-shifting algorithm to date axes [#1201]
• Trace type heatmapgl is now included in the main plotly.js bundle [#1197]

Changed

• Linearize date coordinates using UTC rather than local milliseconds [#1194]

Fixed

• Fix wrongly computed date positions around daylight savings time [#1194]
• Fix erroneous traces in multi-subplot layout containing fill-to scatter
  traces (and plotly.py violin plots) [#1198]
• Fix clip path URL on pages with query hashes [#1203]
• Ensure that numeric frame name are handle correctly [#1236]
• Fallback for manual manipulation of slider/frames [#1233]

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]