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2 | 2 | All notable changes to this project will be documented in this file.
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3 | 3 | This project adheres to [Semantic Versioning](http://semver.org/).
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4 | 4 |
|
| 5 | +## [5.15.0] - 2023-06-08 |
| 6 | + |
| 7 | +### Updated |
| 8 | + - Updated Plotly.js from version 2.20.0 to version 2.24.1. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2241----2023-06-07) for more information. Notable changes include: |
| 9 | + - Add pattern to pie, funnelarea, sunburst, icicle and treemap traces [[#6601](https://github.com/plotly/plotly.js/pull/6601), [#6619](https://github.com/plotly/plotly.js/pull/6619), [#6622](https://github.com/plotly/plotly.js/pull/6622), [#6626](https://github.com/plotly/plotly.js/pull/6626), [#6627](https://github.com/plotly/plotly.js/pull/6627), [#6628](https://github.com/plotly/plotly.js/pull/6628), [#6629](https://github.com/plotly/plotly.js/pull/6629)], with thanks to @thierryVergult for the contribution! |
| 10 | + - Add `texttemplate` to shape.label for parametric shapes i.e. line, rect and circle [[#6527](https://github.com/plotly/plotly.js/pull/6527)], |
| 11 | + with thanks to the [Volkswagen](https://www.volkswagenag.com) Center of Excellence for Battery Systems for sponsoring development! |
| 12 | + - Add strict option to custom bundle command [[#6557](https://github.com/plotly/plotly.js/pull/6557)], |
| 13 | + with thanks to @CallumNZ for the contribution! |
| 14 | + - Add `legend` references to traces and `legend2`, `legend3`, etc. to layout, |
| 15 | + also add `visible` to legend i.e. to allow positioning multiple legends on a graph [[#6535](https://github.com/plotly/plotly.js/pull/6535)], |
| 16 | + this feature was anonymously sponsored: thank you to our sponsor! |
| 17 | + - Add `legend.xref` and `legend.yref` to enable container-referenced positioning of legends [[#6589](https://github.com/plotly/plotly.js/pull/6589)], with thanks to [Gamma Technologies](https://www.gtisoft.com/) for sponsoring the related development. |
| 18 | + - Add `colorbar.xref` and `colorbar.yref` to enable container-referenced positioning of colorbars [[#6593](https://github.com/plotly/plotly.js/pull/6593)], with thanks to [Gamma Technologies](https://www.gtisoft.com/) for sponsoring the related development. |
| 19 | + - `px` methods now accept data-frame-like objects that support a `to_pandas()` method, such as polars, cudf, vaex etc |
| 20 | + |
| 21 | +### Fixed |
| 22 | + - Fixed another compatibility issue with Pandas 2.0, just affecting `px.*(line_close=True)` [[#4190](https://github.com/plotly/plotly.py/pull/4190)] |
| 23 | + - Empty pandas dataframe with facet row/column set no longer fails [[#4038](https://github.com/plotly/plotly.py/pull/4038)] |
| 24 | + - Added some rounding to the `make_subplots` function to handle situations where the user-input specs cause the domain to exceed 1 by small amounts [[#4153](https://github.com/plotly/plotly.py/pull/4153)] |
| 25 | + - Sanitize JSON output to prevent an XSS vector when graphs are inserted directly into HTML [[#4196](https://github.com/plotly/plotly.py/pull/4196)] |
| 26 | + - Fixed issue with shapes and annotations plotting on the wrong y axis when supplied with a specific axis in the `yref` parameter [[#4177](https://github.com/plotly/plotly.py/pull/4177)] |
| 27 | + - Remove `use_2to3` setuptools arg, which is invalid in the latest Python and setuptools versions [[#4206](https://github.com/plotly/plotly.py/pull/4206)] |
| 28 | + - Fix [#4066](https://github.com/plotly/plotly.py/issues/4066) JupyterLab v4 giving tiny default graph height [[#4227](https://github.com/plotly/plotly.py/pull/4227)] |
| 29 | + - Fixed issue with `colors.n_colors` where generated RGB color values were not being constrained to stay between 0 and 255 [[#4110](https://github.com/plotly/plotly.py/pull/4110)] |
| 30 | + - Fix streamline figure factory with recent versions of Numpy |
| 31 | + - Fix issue with shapes and annotations not drawing on correct axis [[#4177](https://github.com/plotly/plotly.py/pull/4177)] |
| 32 | + |
| 33 | +## [5.14.1] - 2023-04-05 |
| 34 | + |
| 35 | +### Fixed |
| 36 | + - Fixed compatibility issue with Pandas 2.0 [[#4103](https://github.com/plotly/plotly.py/pull/4103)] |
| 37 | + |
| 38 | +## [5.14.0] - 2023-03-29 |
| 39 | + |
| 40 | +### Updated |
| 41 | + - Updated Plotly.js from version 2.18.2 to version 2.20.0. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2200----2023-03-15) for more information. Notable changes include: |
| 42 | + - Add `title.automargin` to enable automatic top and bottom margining for both container and paper referenced titles [[#6428](https://github.com/plotly/plotly.js/pull/6428)], |
| 43 | + with thanks to [Gamma Technologies](https://www.gtisoft.com/) for sponsoring the related development. |
| 44 | + - Add `label` attribute to shapes [[#6454](https://github.com/plotly/plotly.js/pull/6454)], with thanks to the [Volkswagen](https://www.volkswagenag.com) Center of Excellence for Battery Systems for sponsoring development! |
| 45 | + - Add `labelalias` to various axes namely cartesian, gl3d, polar, smith, ternary, carpet, |
| 46 | + indicator and colorbar [[#6481](https://github.com/plotly/plotly.js/pull/6481)], |
| 47 | + this feature was anonymously sponsored: thank you to our sponsor! |
| 48 | + - Key errors no longer precalculated when performing updates on plots [[#4101](https://github.com/plotly/plotly.py/pull/4101)] |
| 49 | + |
| 50 | +### Fixed |
| 51 | +- Fixed an issue with characters displaying incorrectly, by adding `charset="utf-8"` to scripts in `to_html` [[#4114](https://github.com/plotly/plotly.py/pull/4114)] |
| 52 | +- Added `packaging` to install requirements, fixing a `No module named 'packaging` error on Python 3.6 [[#4113](https://github.com/plotly/plotly.py/pull/4113)] |
| 53 | + |
| 54 | +### Added |
| 55 | +- Added option to allow passing a column name as a `str` in `hover_data` and `custom_data` in `plotly.express` [[4083](https://github.com/plotly/plotly.py/pull/4083)] |
| 56 | + |
| 57 | +## [5.13.1] - 2023-02-24 |
| 58 | + |
| 59 | +### Updated |
| 60 | + - Updated Plotly.js to from version 2.18.0 to version 2.18.2. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2182----2023-02-15) for more information. These changes are reflected in the auto-generated `plotly.graph_objects` module. |
| 61 | + - Updated distutils.Version to packaging.Version [#3897](https://github.com/plotly/plotly.py/pull/3897)] and [#4055](https://github.com/plotly/plotly.py/pull/4055)] |
| 62 | + |
| 63 | +## [5.13.0] - 2023-01-23 |
| 64 | + |
| 65 | +### Updated |
| 66 | + - Updated Plotly.js to from version 2.17.1 to version 2.18.0. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2180----2023-01-19) for more information. Notable changes include: |
| 67 | + - Add `sync` tickmode option [[#6356](https://github.com/plotly/plotly.js/pull/6356), [#6443](https://github.com/plotly/plotly.js/pull/6443)], with thanks to @filipesantiagoAM and @VictorBezak for the contribution! |
| 68 | + - Build process now uses Node 18.x and version 2 lockfile (should be an invisible change for users) [[#4034](https://github.com/plotly/plotly.py/pull/4034)] |
| 69 | + |
| 70 | +### Fixed |
| 71 | + - `write_html()` now explicitly encodes output as UTF-8 because Plotly.js' bundle contains such characters [[#4021](https://github.com/plotly/plotly.py/pull/4021)] and [[#4022](https://github.com/plotly/plotly.py/pull/4022)] |
| 72 | + - fixed `iframe` renderer regression from 5.12 and also fixed error when this renderer was used in the very first cell in a notebook [[#4036](https://github.com/plotly/plotly.py/pull/4036)] |
| 73 | + |
| 74 | + |
| 75 | +## [5.12.0] - 2023-01-12 |
| 76 | + |
| 77 | +### Updated |
| 78 | + - Support for ipywidgets 8 [[#3930](https://github.com/plotly/plotly.py/pull/3930)] |
| 79 | + - Updated Plotly.js to from version 2.16.1 to version 2.17.1. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2170----2022-12-22) for more information. Notable changes include: |
| 80 | + - Add `shift` and `autoshift` to cartesian y axes to help avoid overlapping of multiple axes [[#6334](https://github.com/plotly/plotly.js/pull/6334)], |
| 81 | + with thanks to [Gamma Technologies](https://www.gtisoft.com) for sponsoring the related development! |
| 82 | + - Introduce group attributes for `scatter` trace i.e. `alignmentgroup`, `offsetgroup`, `scattermode` and `scattergap` [[#6381](https://github.com/plotly/plotly.js/pull/6381)], |
| 83 | + this feature was anonymously sponsored: thank you to our sponsor! |
| 84 | + - Add `marker.cornerradius` attribute to `treemap` trace [[#6351](https://github.com/plotly/plotly.js/pull/6351)] |
| 85 | +### Fixed |
| 86 | + - Fixed the usage of some deprecated NumPy types which were removed in NumPy 1.24 [[#3997](https://github.com/plotly/plotly.py/pull/3997)] |
| 87 | + - Fixed bug for trendlines with datetime axes [[#3683](https://github.com/plotly/plotly.py/issues/3683)] |
| 88 | + - `marker.angle` attribute now accepts iterables where appropriate [[#4013](https://github.com/plotly/plotly.py/issues/4013)] |
| 89 | + - `selector=0` now correctly returns the first trace in `.select_traces()` and related methods [[#3817](https://github.com/plotly/plotly.py/issues/3817)] |
| 90 | + |
| 91 | +## [5.11.0] - 2022-10-27 |
| 92 | + |
| 93 | +### Updated |
| 94 | + - Updated Plotly.js to from version 2.14.0 to version 2.16.1. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2161----2022-10-21) for more information. Notable changes include: |
| 95 | + - Add clustering options to `scattermapbox` [[#5827](https://github.com/plotly/plotly.js/pull/5827)], |
| 96 | + with thanks to @elben10 for the contribution! |
| 97 | + - Add bounds to mapbox suplots [[6339](https://github.com/plotly/plotly.js/pull/6339)] |
| 98 | + - Add `angle`, `angleref` and `standoff` to `marker` and add `backoff` to `line`; also introduce new arrow symbols to facilitate drawing networks [[#6297](https://github.com/plotly/plotly.js/pull/6297)] |
| 99 | + - Add `minreducedwidth` and `minreducedheight` to layout for increasing control over automargin [[#6307](https://github.com/plotly/plotly.js/pull/6307)] |
| 100 | + - Add `entrywidth` and `entrywidthmode` to legend [[#6202](https://github.com/plotly/plotly.js/pull/6202), [#6324](https://github.com/plotly/plotly.js/pull/6324)] |
| 101 | + |
| 102 | +## [5.10.0] - 2022-08-11 |
| 103 | + |
| 104 | +### Updated |
| 105 | + - Updated Plotly.js to from version 2.12.1 to version 2.14.0. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2140----2022-08-10) for more information. Notable changes include: |
| 106 | + - Add support for `sankey` links with arrows |
| 107 | + - Add `selections`, `newselection` and `activeselection` layout attributes to have persistent and editable selections over cartesian subplots |
| 108 | + - Add `unselected.line.color` and `unselected.line.opacity` options to `parcoords` trace |
| 109 | + - Display Plotly's new logo in the modebar |
| 110 | + |
| 111 | +## [5.9.0] - 2022-06-23 |
| 112 | + |
| 113 | +### Added |
| 114 | + |
| 115 | + - `pattern_shape` options now available in `px.timeline()` [#3774](https://github.com/plotly/plotly.py/pull/3774) |
| 116 | + - `facet_*` and `category_orders` now available in `px.pie()` [#3775](https://github.com/plotly/plotly.py/pull/3775) |
| 117 | + |
| 118 | +### Performance |
| 119 | + |
| 120 | + - `px` methods no longer call `groupby` on the input dataframe when the result would be a single group, and no longer groups by a lambda, for significant speedups [#3765](https://github.com/plotly/plotly.py/pull/3765) with thanks to [@jvdd](https://github.com/jvdd) |
| 121 | + |
| 122 | +### Updated |
| 123 | + |
| 124 | + - Allow non-string extras in `flaglist` attributes, to support upcoming changes to `ax.automargin` in plotly.js [plotly.js#6193](https://github.com/plotly/plotly.js/pull/6193), [#3749](https://github.com/plotly/plotly.py/pull/3749) |
| 125 | + |
| 126 | +## [5.8.2] - 2022-06-10 |
| 127 | + |
| 128 | +### Fixed |
| 129 | + |
| 130 | + - Fixed a syntax error that caused rendering issues in Databricks notebooks and likely elsewhere. [#3763](https://github.com/plotly/plotly.py/pull/3763) with thanks to [@fwetdb](https://github.com/fwetdb) |
| 131 | + |
| 132 | +## [5.8.1] - 2022-06-08 |
| 133 | + |
| 134 | +(no changes, due to a mixup with the build process!) |
| 135 | + |
| 136 | +## [5.8.0] - 2022-05-09 |
| 137 | + |
| 138 | +### Fixed |
| 139 | + |
| 140 | + - Improve support for type checking and IDE auto-completion by bypassing lazy-loading when type checking. [#3425](https://github.com/plotly/plotly.py/pull/3425) with thanks to [@JP-Ellis](https://github.com/JP-Ellis) |
| 141 | + - line dash-style validators are now correctly used everywhere so that values like `10px 2px` are accepted [#3722](https://github.com/plotly/plotly.py/pull/3722) |
| 142 | + - Resolved various deprecation warning messages and compatibility issues with upstream dependencies and Python 3.11, plus removed dependency on `six`, with thanks to [@maresb](https://github.com/maresb), [@hugovk](https://github.com/hugovk), [@tirkarthi](https://github.com/tirkarthi), [@martinRenou](https://github.com/martinRenou), and [@BjoernLudwigPTB](https://github.com/BjoernLudwigPTB) |
| 143 | + - Better support for MathJax 3 [#3706](https://github.com/plotly/plotly.py/pull/3706) |
| 144 | + |
| 145 | +### Added |
| 146 | + |
| 147 | + - Type annotations for Plotly Express functions and chainable `go.Figure` methods, for better IDE auto-completion [#3708](https://github.com/plotly/plotly.py/pull/3708) |
| 148 | + |
| 149 | +### Updated |
| 150 | + - Updated Plotly.js to from version 2.11.1 to version 2.12.1. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/v2.12.1/CHANGELOG.md#2121----2022-05-09) for more information. Notable changes include: |
| 151 | + - Add `minor` ticks to cartesian axes |
| 152 | + - Add `griddash` option to most axes |
| 153 | + |
| 154 | +## [5.7.0] - 2022-04-05 |
| 155 | + |
| 156 | +### Added |
| 157 | + - added `pattern_shape` options to `px.area()` [#3668](https://github.com/plotly/plotly.py/issues/3668) |
| 158 | + |
| 159 | +### Updated |
| 160 | + - Updated Plotly.js to from version 2.9.0 to version 2.11.1. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2111----2022-03-15) for more information. Notable changes include: |
| 161 | + - Add `fillpattern` options to `scatter` trace |
| 162 | + - Various JS-specific improvements such as MathJax 3.0 support |
| 163 | + |
| 164 | +## [5.6.0] - 2022-02-09 |
| 165 | + |
| 166 | +### Updated |
| 167 | + - Updated Plotly.js to from version 2.8.3 to version 2.9.0. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#290----2022-02-04) for more information. Notable changes include: |
| 168 | + - Implement `ticklabelstep` to reduce labels on cartesian axes and colorbars |
| 169 | + - Display the version of plotly.js when hovering over the modebar |
| 170 | + |
| 171 | + |
| 172 | +## [5.5.0] - 2021-12-20 |
| 173 | + |
| 174 | +### Added |
| 175 | + |
| 176 | + - `text_auto` argument to `px.bar`, `px.histogram`, `px.density_heatmap`, `px.imshow` [#3518](https://github.com/plotly/plotly.py/issues/3518) |
| 177 | + - Deprecated `ff.create_annotated_heatmap`, `ff.create_county_choropleth`, `ff.create_gantt` [#3518](https://github.com/plotly/plotly.py/issues/3518) |
| 178 | + - `div_id` argument to `pio.to_html`, `pio.write_html`, `fig.to_html` and `fig.write_html` to optionally make its IDs deterministic [#3487](https://github.com/plotly/plotly.py/issues/3487) with thanks to [@Skn0tt](https://github.com/Skn0tt) |
| 179 | + |
| 180 | +### Fixed |
| 181 | + - Fixed ValueError when `ff.create_annotated_heatmap` passes `rgba()` colors into `to_rgb_color_list` [#3478](https://github.com/plotly/plotly.py/issues/3478) with thanks to [@janosh](https://github.com/janosh) |
| 182 | + |
| 183 | +### Updated |
| 184 | + - Updated Plotly.js to from version 2.6.3 to version 2.8.3. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#280----2021-12-10) for more information. Notable changes include: |
| 185 | + - Horizontal color bars |
| 186 | + - `texttemplate` for histogram-like and heatmap-like traces |
| 187 | + |
| 188 | + |
| 189 | +## [5.4.0] - 2021-11-15 |
| 190 | + |
| 191 | +### Fixed |
| 192 | + - Fixed error when serializing dict with mix of string and non-string keys [#3380](https://github.com/plotly/plotly.py/issues/3380) |
| 193 | + |
| 194 | +### Updated |
| 195 | + - The JSON serialization engines no longer sort their keys [#3380](https://github.com/plotly/plotly.py/issues/3380) |
| 196 | + - Updated Plotly.js to from version 2.4.2 to version 2.6.3. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#263----2021-11-12) for more information. Notable changes include: |
| 197 | + - New subplot type `smith` that supports `scattersmith` trace types for visualizing data in the complex domain |
| 198 | + - Changes to Plotly.js packaging |
| 199 | + |
| 200 | + |
5 | 201 | ## [5.3.1] - 2021-08-31
|
6 | 202 |
|
7 | 203 | ### Updated
|
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