Added CHANGELOG for v1.13.0 (#4306)

CHANGELOG.md

@@ -1,3 +1,154 @@
+Version 1.13.0
+==============
+
+This release is packed full of features and includes a general
+refactoring of how HoloViews renders widgets now built on top of the
+Panel library. Many thanks to the many contributors to this release
+either directly by submitting PRs or by reporting issues and making
+suggestions. Specifically we would like to thank @poplarShift,
+@jonmease, @flothesof, @julioasotodv, @ltalirz, @DancingQuanta, @ahuang,
+@kcpevey, @Jacob-Barkhak, @nluetts, @harmbuisman, @ceball, @mgsnuno,
+@srp3003, @jsignell as well as the maintainers @jbednar, @jlstevens and
+@philippjfr for contributing to this release.  This version includes the
+addition of a large number of features, enhancements and bug fixes:
+
+Major features:
+
+- Add `link_selection` to make custom linked brushing simple
+  ([#3951](https://github.com/holoviz/holoviews/pull/3951))
+- `link_selection` builds on new support for much more powerful
+  data-transform pipelines: new `Dataset.transform` method
+  ([#237](https://github.com/holoviz/holoviews/pull/237),
+  [#3932](https://github.com/holoviz/holoviews/pull/3932)), `dim`
+  expressions in `Dataset.select`
+  ([#3920](https://github.com/holoviz/holoviews/pull/3920)), arbitrary
+  method calls on `dim` expressions
+  ([#4080](https://github.com/holoviz/holoviews/pull/4080)), and
+  `Dataset.pipeline` and `Dataset.dataset` properties to track
+  provenance of data
+- Add Annotators to allow easily drawing, editing, and annotating visual
+  elements ([#1185](https://github.com/holoviz/holoviews/pull/1185))
+- Completely replaced custom Javascript widgets with Panel-based widgets
+  allowing for customizable layout
+  ([#84](https://github.com/holoviz/holoviews/pull/84),
+  [#805](https://github.com/holoviz/holoviews/pull/805))
+- Add `HSpan`, `VSpan`, `Slope`, `Segments` and `Rectangles` elements
+  ([#3510](https://github.com/holoviz/holoviews/pull/3510),
+  [#3532](https://github.com/holoviz/holoviews/pull/3532),
+  [#4000](https://github.com/holoviz/holoviews/pull/4000))
+- Add support for cuDF GPU dataframes, cuPy backed xarrays, and GPU
+  datashading ([#3982](https://github.com/holoviz/holoviews/pull/3982))
+
+Other features
+
+- Add spatialpandas support and redesigned geometry interfaces for
+  consistent roundtripping
+  ([#4120](https://github.com/holoviz/holoviews/pull/4120))
+- Support GIF rendering with Bokeh and Plotly backends
+  ([#2956](https://github.com/holoviz/holoviews/pull/2956),
+  [#4017](https://github.com/holoviz/holoviews/pull/4017))
+- Support for Plotly `Bars`, `Bounds`, `Box`, `Ellipse`, `HLine`,
+  `Histogram`, `RGB`, `VLine` and `VSpan` plots
+- Add `UniformNdMapping.collapse` to collapse nested datastructures
+  ([#4250](https://github.com/holoviz/holoviews/pull/4250))
+- Add `CurveEdit` and `SelectionXY` streams
+  ([#4119](https://github.com/holoviz/holoviews/pull/4119),
+  [#4167](https://github.com/holoviz/holoviews/pull/4167))
+- Add `apply_when` helper to conditionally apply operations
+  ([#4289](https://github.com/holoviz/holoviews/pull/4289))
+- Display Javascript callback errors in the notebook
+  ([#4119](https://github.com/holoviz/holoviews/pull/4119))
+- Add support for linked streams in Plotly backend to enable rich
+  interactivity
+  ([#3880](https://github.com/holoviz/holoviews/pull/3880),
+  [#3912](https://github.com/holoviz/holoviews/pull/3912))
+
+Enhancements:
+
+- Support for packed values dimensions, e.g. 3D `RGB`/`HSV` arrays
+  ([#550](https://github.com/holoviz/holoviews/pull/550),
+  [#3983](https://github.com/holoviz/holoviews/pull/3983))
+- Allow selecting/slicing datetimes with strings
+  ([#886](https://github.com/holoviz/holoviews/pull/886))
+- Support for datashading `Area`, `Spikes`, `Segments` and `Polygons`
+  ([#4120](https://github.com/holoviz/holoviews/pull/4120))
+- `HeatMap` now supports mixed categorical/numeric axes
+  ([#2128](https://github.com/holoviz/holoviews/pull/2128))
+- Use `__signature__` to generate .opts tab completions
+  ([#4193](https://github.com/holoviz/holoviews/pull/4193))
+- Allow passing element-specific keywords through `datashade` and
+  `rasterize` ([#4077](https://github.com/holoviz/holoviews/pull/4077))
+  ([#3967](https://github.com/holoviz/holoviews/pull/3967))
+- Add `per_element` flag to `.apply` accessor
+  ([#4119](https://github.com/holoviz/holoviews/pull/4119))
+- Add `selected` plot option to control selected glyphs in bokeh
+  ([#4281](https://github.com/holoviz/holoviews/pull/4281))
+- Improve default `Sankey` `node_padding` heuristic
+  ([#4253](https://github.com/holoviz/holoviews/pull/4253))
+- Add `hooks` plot option for Plotly backend
+  ([#4157](https://github.com/holoviz/holoviews/pull/4157))
+- Support for split `Violin` plots in bokeh
+  ([#4112](https://github.com/holoviz/holoviews/pull/4112))
+
+Bug fixes:
+
+- Fixed radial `HeatMap` sizing issues
+  ([#4162](https://github.com/holoviz/holoviews/pull/4162))
+- Switched to Panel for rendering machinery fixing various export issues
+  ([#3683](https://github.com/holoviz/holoviews/pull/3683))
+- Handle updating of user supplied `HoverTool` in bokeh
+  ([#4266](https://github.com/holoviz/holoviews/pull/4266))
+- Fix issues with single value datashaded plots
+  ([#3673](https://github.com/holoviz/holoviews/pull/3673))
+- Fix legend layout issues
+  ([#3786](https://github.com/holoviz/holoviews/pull/3786))
+- Fix linked axes issues with mixed date, categorical and numeric axes
+  in bokeh ([#3845](https://github.com/holoviz/holoviews/pull/3845))
+- Fixed handling of repeated dimensions in `PandasInterface`
+  ([#4139](https://github.com/holoviz/holoviews/pull/4139))
+- Fixed various issues related to widgets
+  ([#3868](https://github.com/holoviz/holoviews/pull/3868),
+  [#2885](https://github.com/holoviz/holoviews/pull/2885),
+  [#1677](https://github.com/holoviz/holoviews/pull/1677),
+  [#3212](https://github.com/holoviz/holoviews/pull/3212),
+  [#1059](https://github.com/holoviz/holoviews/pull/1059),
+  [#3027](https://github.com/holoviz/holoviews/pull/3027),
+  [#3777](https://github.com/holoviz/holoviews/pull/3777))
+
+
+Library compatibility:
+
+- Better support for Pandas 1.0
+  ([#4254](https://github.com/holoviz/holoviews/pull/4254))
+- Compatibility with Bokeh 2.0
+  ([#4226](https://github.com/holoviz/holoviews/pull/4226))
+
+Migration notes:
+
+- Geometry `.iloc` now indexes by geometry instead of by
+  datapoint. Convert to dataframe or dictionary before using `.iloc` to
+  access individual datapoints
+  ([#4104](https://github.com/holoviz/holoviews/pull/4104))
+- Padding around plot elements is now enabled by default, to revert set
+  `hv.config.node_padding = 0`
+  ([#1090](https://github.com/holoviz/holoviews/pull/1090))
+- Removed Bars `group_index` and `stack_index` options, which are now
+  controlled using the `stacked` option
+  ([#3985](https://github.com/holoviz/holoviews/pull/3985))
+- `.table` is deprecated; use `.collapse` method instead and cast to
+  `Table` ([#3985](https://github.com/holoviz/holoviews/pull/3985))
+- `HoloMap.split_overlays` is deprecated and is now a private method
+  ([#3985](https://github.com/holoviz/holoviews/pull/3985))
+- `Histogram.edges` and `Histogram.values` properties are deprecated; use
+  `dimension_values`
+  ([#3985](https://github.com/holoviz/holoviews/pull/3985))
+- `Element.collapse_data` is deprecated; use the container's `.collapse`
+  method instead
+  ([#3985](https://github.com/holoviz/holoviews/pull/3985))
+- `hv.output` `filename` argument is deprecated; use `hv.save` instead
+  ([#3985](https://github.com/holoviz/holoviews/pull/3985))
+
+
 Version 1.12.7
 ==============
 
@@ -60,18 +211,18 @@ Bug fixes:
   ([#4012](https://github.com/pyviz/holoviews/issues/4012))
 - Using hv.renderer no longer switches backends
   ([#4013](https://github.com/pyviz/holoviews/issues/4013))
-- Ensure that Points/Scatter categorizes data correctly when axes are inverted 
+- Ensure that Points/Scatter categorizes data correctly when axes are inverted
   ([#4014](https://github.com/pyviz/holoviews/issues/4014))
 - Fixed error creating legend for matplotlib Image artists
   ([#4031](https://github.com/pyviz/holoviews/issues/4031))
 - Ensure that unqualified Options objects are supported
   ([#4032](https://github.com/pyviz/holoviews/issues/4032))
 - Fix bounds check when constructing Image with ImageInterface
   ([#4035](https://github.com/pyviz/holoviews/issues/4035))
-- Ensure elements cannot be constructed with wrong number of columns 
+- Ensure elements cannot be constructed with wrong number of columns
   ([#4040](https://github.com/pyviz/holoviews/issues/4040))
 - Ensure streaming data works on bokeh server
-  ([#4041](https://github.com/pyviz/holoviews/issues/4041)) 
+  ([#4041](https://github.com/pyviz/holoviews/issues/4041))
 
 Compatibility:
 
@@ -184,7 +335,7 @@ Bug fixes:
 - Ensure that bokeh backend handles Cycle of markers
   ([#3706](https://github.com/pyviz/holoviews/issues/3706))
 - Fix for using opts method on DynamicMap
-  ([#3691](https://github.com/pyviz/holoviews/issues/3691)) 
+  ([#3691](https://github.com/pyviz/holoviews/issues/3691))
 - Ensure that bokeh backend handles DynamicMaps with variable length
   NdOverlay ([#3696](https://github.com/pyviz/holoviews/issues/3696))
 - Fix default width/height setting for HeatMap
@@ -254,7 +405,7 @@ Enhancements:
 
 - Add support for passing in parameter instances as streams
   ([#3616](https://github.com/pyviz/holoviews/pull/3616))
-        
+
 Version 1.12.0
 ==============
 
@@ -276,7 +427,7 @@ Features:
   [#3474](https://github.com/pyviz/holoviews/pull/3474))
 
 Enhancements:
-  
+
 - Added a number of new plot options including a clabel param for
   colorbars ([#3517](https://github.com/pyviz/holoviews/pull/3517)),
   exposed Sankey font size
@@ -367,7 +518,7 @@ Bug fixes:
   ([#3435](https://github.com/pyviz/holoviews/pull/3435))
 - Ensure cftime datetimes are displayed as a slider
   ([#3413](https://github.com/pyviz/holoviews/pull/3413))
-  
+
 Enhancements:
 
 - Allow defining hook on backend load
@@ -410,7 +561,7 @@ Enhancements:
   element ([#3401](https://github.com/pyviz/holoviews/pull/3401))
 - Consistently support clim options
   ([#3382](https://github.com/pyviz/holoviews/pull/3382))
-  
+
 Documentation:
 
 - Completed updates from .options to .opts API in the documentation
@@ -435,7 +586,7 @@ users without requiring IPython magics. The new `dim` transform
 generalizes the mapping from data dimensions to visual dimensions,
 greatly increasing the expressive power of the options system. Please
 consult the updated user guides for more information.
-	
+
 Special thanks for the contributions by Andrew Huang (@ahuang11),
 Julia Signell (@jsignell), Jon Mease (@jonmmease), and Zachary Barry
 (@zbarry).

doc/releases.rst

@@ -10,6 +10,163 @@ Announcements
 Release notes
 -------------
 
+Version 1.13
+~~~~~~~~~~~~
+
+Version 1.13.0
+**************
+
+This release is packed full of features and includes a general
+refactoring of how HoloViews renders widgets now built on top of the
+Panel library. Many thanks to the many contributors to this release
+either directly by submitting PRs or by reporting issues and making
+suggestions. Specifically we would like to thank @poplarShift,
+@jonmease, @flothesof, @julioasotodv, @ltalirz, @DancingQuanta, @ahuang,
+@kcpevey, @Jacob-Barkhak, @nluetts, @harmbuisman, @ceball, @mgsnuno,
+@srp3003, @jsignell as well as the maintainers @jbednar, @jlstevens and
+@philippjfr for contributing to this release. This version includes the
+addition of a large number of features, enhancements and bug fixes:
+
+Major features:
+
+-  Add ``link_selection`` to make custom linked brushing simple
+   (`#3951 <https://github.com/holoviz/holoviews/pull/3951>`__)
+-  ``link_selection`` builds on new support for much more powerful
+   data-transform pipelines: new ``Dataset.transform`` method
+   (`#237 <https://github.com/holoviz/holoviews/pull/237>`__,
+   `#3932 <https://github.com/holoviz/holoviews/pull/3932>`__), ``dim``
+   expressions in ``Dataset.select``
+   (`#3920 <https://github.com/holoviz/holoviews/pull/3920>`__),
+   arbitrary method calls on ``dim`` expressions
+   (`#4080 <https://github.com/holoviz/holoviews/pull/4080>`__), and
+   ``Dataset.pipeline`` and ``Dataset.dataset`` properties to track
+   provenance of data
+-  Add Annotators to allow easily drawing, editing, and annotating
+   visual elements
+   (`#1185 <https://github.com/holoviz/holoviews/pull/1185>`__)
+-  Completely replaced custom Javascript widgets with Panel-based
+   widgets allowing for customizable layout
+   (`#84 <https://github.com/holoviz/holoviews/pull/84>`__,
+   `#805 <https://github.com/holoviz/holoviews/pull/805>`__)
+-  Add ``HSpan``, ``VSpan``, ``Slope``, ``Segments`` and ``Rectangles``
+   elements (`#3510 <https://github.com/holoviz/holoviews/pull/3510>`__,
+   `#3532 <https://github.com/holoviz/holoviews/pull/3532>`__,
+   `#4000 <https://github.com/holoviz/holoviews/pull/4000>`__)
+-  Add support for cuDF GPU dataframes, cuPy backed xarrays, and GPU
+   datashading
+   (`#3982 <https://github.com/holoviz/holoviews/pull/3982>`__)
+
+Other features
+
+-  Add spatialpandas support and redesigned geometry interfaces for
+   consistent roundtripping
+   (`#4120 <https://github.com/holoviz/holoviews/pull/4120>`__)
+-  Support GIF rendering with Bokeh and Plotly backends
+   (`#2956 <https://github.com/holoviz/holoviews/pull/2956>`__,
+   `#4017 <https://github.com/holoviz/holoviews/pull/4017>`__)
+-  Support for Plotly ``Bars``, ``Bounds``, ``Box``, ``Ellipse``,
+   ``HLine``, ``Histogram``, ``RGB``, ``VLine`` and ``VSpan`` plots
+-  Add ``UniformNdMapping.collapse`` to collapse nested datastructures
+   (`#4250 <https://github.com/holoviz/holoviews/pull/4250>`__)
+-  Add ``CurveEdit`` and ``SelectionXY`` streams
+   (`#4119 <https://github.com/holoviz/holoviews/pull/4119>`__,
+   `#4167 <https://github.com/holoviz/holoviews/pull/4167>`__)
+-  Add ``apply_when`` helper to conditionally apply operations
+   (`#4289 <https://github.com/holoviz/holoviews/pull/4289>`__)
+-  Display Javascript callback errors in the notebook
+   (`#4119 <https://github.com/holoviz/holoviews/pull/4119>`__)
+-  Add support for linked streams in Plotly backend to enable rich
+   interactivity
+   (`#3880 <https://github.com/holoviz/holoviews/pull/3880>`__,
+   `#3912 <https://github.com/holoviz/holoviews/pull/3912>`__)
+
+Enhancements:
+
+-  Support for packed values dimensions, e.g. 3D ``RGB``/``HSV`` arrays
+   (`#550 <https://github.com/holoviz/holoviews/pull/550>`__,
+   `#3983 <https://github.com/holoviz/holoviews/pull/3983>`__)
+-  Allow selecting/slicing datetimes with strings
+   (`#886 <https://github.com/holoviz/holoviews/pull/886>`__)
+-  Support for datashading ``Area``, ``Spikes``, ``Segments`` and
+   ``Polygons``
+   (`#4120 <https://github.com/holoviz/holoviews/pull/4120>`__)
+-  ``HeatMap`` now supports mixed categorical/numeric axes
+   (`#2128 <https://github.com/holoviz/holoviews/pull/2128>`__)
+-  Use ``__signature__`` to generate .opts tab completions
+   (`#4193 <https://github.com/holoviz/holoviews/pull/4193>`__)
+-  Allow passing element-specific keywords through ``datashade`` and
+   ``rasterize``
+   (`#4077 <https://github.com/holoviz/holoviews/pull/4077>`__)
+   (`#3967 <https://github.com/holoviz/holoviews/pull/3967>`__)
+-  Add ``per_element`` flag to ``.apply`` accessor
+   (`#4119 <https://github.com/holoviz/holoviews/pull/4119>`__)
+-  Add ``selected`` plot option to control selected glyphs in bokeh
+   (`#4281 <https://github.com/holoviz/holoviews/pull/4281>`__)
+-  Improve default ``Sankey`` ``node_padding`` heuristic
+   (`#4253 <https://github.com/holoviz/holoviews/pull/4253>`__)
+-  Add ``hooks`` plot option for Plotly backend
+   (`#4157 <https://github.com/holoviz/holoviews/pull/4157>`__)
+-  Support for split ``Violin`` plots in bokeh
+   (`#4112 <https://github.com/holoviz/holoviews/pull/4112>`__)
+
+Bug fixes:
+
+-  Fixed radial ``HeatMap`` sizing issues
+   (`#4162 <https://github.com/holoviz/holoviews/pull/4162>`__)
+-  Switched to Panel for rendering machinery fixing various export
+   issues (`#3683 <https://github.com/holoviz/holoviews/pull/3683>`__)
+-  Handle updating of user supplied ``HoverTool`` in bokeh
+   (`#4266 <https://github.com/holoviz/holoviews/pull/4266>`__)
+-  Fix issues with single value datashaded plots
+   (`#3673 <https://github.com/holoviz/holoviews/pull/3673>`__)
+-  Fix legend layout issues
+   (`#3786 <https://github.com/holoviz/holoviews/pull/3786>`__)
+-  Fix linked axes issues with mixed date, categorical and numeric axes
+   in bokeh (`#3845 <https://github.com/holoviz/holoviews/pull/3845>`__)
+-  Fixed handling of repeated dimensions in ``PandasInterface``
+   (`#4139 <https://github.com/holoviz/holoviews/pull/4139>`__)
+-  Fixed various issues related to widgets
+   (`#3868 <https://github.com/holoviz/holoviews/pull/3868>`__,
+   `#2885 <https://github.com/holoviz/holoviews/pull/2885>`__,
+   `#1677 <https://github.com/holoviz/holoviews/pull/1677>`__,
+   `#3212 <https://github.com/holoviz/holoviews/pull/3212>`__,
+   `#1059 <https://github.com/holoviz/holoviews/pull/1059>`__,
+   `#3027 <https://github.com/holoviz/holoviews/pull/3027>`__,
+   `#3777 <https://github.com/holoviz/holoviews/pull/3777>`__)
+
+Library compatibility:
+
+-  Better support for Pandas 1.0
+   (`#4254 <https://github.com/holoviz/holoviews/pull/4254>`__)
+-  Compatibility with Bokeh 2.0
+   (`#4226 <https://github.com/holoviz/holoviews/pull/4226>`__)
+
+Migration notes:
+
+-  Geometry ``.iloc`` now indexes by geometry instead of by datapoint.
+   Convert to dataframe or dictionary before using ``.iloc`` to access
+   individual datapoints
+   (`#4104 <https://github.com/holoviz/holoviews/pull/4104>`__)
+-  Padding around plot elements is now enabled by default, to revert set
+   ``hv.config.node_padding = 0``
+   (`#1090 <https://github.com/holoviz/holoviews/pull/1090>`__)
+-  Removed Bars ``group_index`` and ``stack_index`` options, which are
+   now controlled using the ``stacked`` option
+   (`#3985 <https://github.com/holoviz/holoviews/pull/3985>`__)
+-  ``.table`` is deprecated; use ``.collapse`` method instead and cast
+   to ``Table``
+   (`#3985 <https://github.com/holoviz/holoviews/pull/3985>`__)
+-  ``HoloMap.split_overlays`` is deprecated and is now a private method
+   (`#3985 <https://github.com/holoviz/holoviews/pull/3985>`__)
+-  ``Histogram.edges`` and ``Histogram.values`` properties are
+   deprecated; use ``dimension_values``
+   (`#3985 <https://github.com/holoviz/holoviews/pull/3985>`__)
+-  ``Element.collapse_data`` is deprecated; use the container’s
+   ``.collapse`` method instead
+   (`#3985 <https://github.com/holoviz/holoviews/pull/3985>`__)
+-  ``hv.output`` ``filename`` argument is deprecated; use ``hv.save``
+   instead (`#3985 <https://github.com/holoviz/holoviews/pull/3985>`__)
+
 
 Version 1.12
 ~~~~~~~~~~~~