Holoviews

**October 23, 2020**

This version contains numerous bug fixes and a number of enhancements.
Many thanks for contribution by bryevdv, jbednar, jlstevens,
jonmmease, kcpevey and philippjfr.

Enhancements:

- Refactor of link selections streams
([4572](https://github.com/holoviz/holoviews/pull/4572))
- Add ability to listen to dataset linked_selection
([4547](https://github.com/holoviz/holoviews/pull/4547))
- Added `selected` parameter to Bokeh PathPlot
([4641](https://github.com/holoviz/holoviews/pull/4641))

Bug fixes:

- Improvements to iteration over Series in CuDF data backend
([4624](https://github.com/holoviz/holoviews/pull/4624))
- Added .values_host calls needed for iteration in CuDF backend
([4646](https://github.com/holoviz/holoviews/pull/4646))
- Fixed bug resetting ranges
([4654](https://github.com/holoviz/holoviews/pull/4654))
- Fix bug matching elements to subplots in `DynamicMap` (4649)
([4649](https://github.com/holoviz/holoviews/pull/4649))
- Ensure consistent split `Violin` color assignment
([4650](https://github.com/holoviz/holoviews/pull/4650))
- Ensure `PolyDrawCallback` always has vdim data
([4644](https://github.com/holoviz/holoviews/pull/4644))
- Set default align in bokeh correctly
([4637](https://github.com/holoviz/holoviews/pull/4637))
- Fixed deserialization of polygon/multi_line CDS data in bokeh backend
([4631](https://github.com/holoviz/holoviews/pull/4631))

Documentation:

- Improved `Bars` reference example, demonstrating the dataframe constructor
([4656](https://github.com/holoviz/holoviews/pull/4656))
- Various documentation fixes
([4628](https://github.com/holoviz/holoviews/pull/4628))

**September 8, 2020**

This version fixes a large number of bugs particularly relating to
linked selections. Additionally it introduces some enhancements laying
the groundwork for future functionality. Many thanks for contribution
by ruoyu0088, hamogu, Dr-Irv, jonmmease, justinbois, ahuang11,
and the core maintainer philippjfr.

Bug fixes:

- Fix the `.info` property to return the info
([4513](https://github.com/holoviz/holoviews/pull/4513))
- Set `toolbar=True` the default in `save()`
([4518](https://github.com/holoviz/holoviews/pull/4518))
- Fix bug when the default value is 0
([4537](https://github.com/holoviz/holoviews/pull/4537))
- Ensure operations do not recursively accumulate pipelines
([4544](https://github.com/holoviz/holoviews/pull/4544))
- Fixed whiskers for `BoxWhisker` so that they never point inwards
([4548](https://github.com/holoviz/holoviews/pull/4548))
- Fix issues with boomeranging events when aspect is set
([4569](https://github.com/holoviz/holoviews/pull/4569))
- Fix aspect if width/height has been constrained
([4579](https://github.com/holoviz/holoviews/pull/4579))
- Fixed categorical handling in Geom plot types
([4575](https://github.com/holoviz/holoviews/pull/4575))
- Do not attempt linking axes on annotations
([4584](https://github.com/holoviz/holoviews/pull/4584))
- Reset `RangeXY` when `framewise` is set
([4585](https://github.com/holoviz/holoviews/pull/4585))
- Add automatic collate for `Overlay` of `AdjointLayout`s
([4586](https://github.com/holoviz/holoviews/pull/4586))
- Fixed color-ranging after box select on side histogram
([4587](https://github.com/holoviz/holoviews/pull/4587))
- Use HTTPS throughout on homepage
([4588](https://github.com/holoviz/holoviews/pull/4588))

Compatibility:

- Compatibility with bokeh 2.2 for CDSCallback
([4568](https://github.com/holoviz/holoviews/pull/4568))
- Handle `rcParam` deprecations in matplotlib 3.3
([4583](https://github.com/holoviz/holoviews/pull/4583))

Enhancements:

- Allow toggling the `selection_mode` on `link_selections` from the
context menu in the bokeh toolbar
([4604](https://github.com/holoviz/holoviews/pull/4604))
- Optimize options machinery
([4545](https://github.com/holoviz/holoviews/pull/4545))
- Add new `Derived` stream class
([4532](https://github.com/holoviz/holoviews/pull/4532))
- Set Panel state to busy during callbacks
([4546](https://github.com/holoviz/holoviews/pull/4546))
- Support positional stream args in `DynamicMap` callback
([4534](https://github.com/holoviz/holoviews/pull/4534))
- `legend_opts` implemented
([4558](https://github.com/holoviz/holoviews/pull/4558))
- Add `History` stream
([4554](https://github.com/holoviz/holoviews/pull/4554))
- Updated spreading operation to support aggregate arrays
([4562](https://github.com/holoviz/holoviews/pull/4562))
- Add ability to supply `dim` transforms for all dimensions
([4578](https://github.com/holoviz/holoviews/pull/4578))
- Add 'vline' and 'hline' Hover mode
([4527](https://github.com/holoviz/holoviews/pull/4527))
- Allow rendering to pgf in matplotlib
([4577](https://github.com/holoviz/holoviews/pull/4577))

**June 23, 2020**

This version introduces a number of enhancements of existing

**April 2, 2020**

This is a minor patch release fixing a number of regressions
introduced as part of the 1.13.x releases. Many thanks to the
contributors including eddienko, poplarShift, wuyuani135, maximlt
and the maintainer philippjfr.

Enhancements:

- Add PressUp and PanEnd streams
([4334](https://github.com/holoviz/holoviews/pull/4334))

Bug fixes:

- Fix regression in single node Sankey computation
([4337](https://github.com/holoviz/holoviews/pull/4337))
- Fix color and alpha option on bokeh Arrow plot
([4338](https://github.com/holoviz/holoviews/pull/4338))
- Fix undefined JS variables in various bokeh links
([4341](https://github.com/holoviz/holoviews/pull/4341))
- Fix matplotlib >=3.2.1 deprecation warnings
([4335](https://github.com/holoviz/holoviews/pull/4335))
- Fix handling of document in server mode
([4355](https://github.com/holoviz/holoviews/pull/4355))

**March 25, 2020**

This is a minor patch release to fix issues compatibility with the
about to be released Bokeh 2.0.1 release. Additionally this release
makes Pandas a hard dependency, which was already implicitly the case
in 1.13.0 but not declared. Lastly this release contains a small number
of enhancements and bug fixes.

Enhancements:

- Add option to set Plotly plots to responsive
([4319](https://github.com/holoviz/holoviews/pull/4319))
- Unified datetime formatting in bokeh hover info
([4318](https://github.com/holoviz/holoviews/pull/4318))
- Allow using dim expressions as accessors
([4311](https://github.com/holoviz/holoviews/pull/4311))
- Add explicit `.df` and `.xr` namespaces to `dim` expressions to
allow using dataframe and xarray APIs
([4320](https://github.com/holoviz/holoviews/pull/4320))
- Allow defining clim which defines only upper or lower bound and not
both ([4314](https://github.com/holoviz/holoviews/pull/4314))
- Improved exceptions when selected plotting extension is not loaded
([4325](https://github.com/holoviz/holoviews/pull/4325))

Bug fixes:

- Fix regression in Overlay.relabel that occurred in 1.12.3 resulting
in relabeling of contained elements by default
([4246](https://github.com/holoviz/holoviews/pull/4246))
- Fix bug when updating bokeh Arrow elements
([4313](https://github.com/holoviz/holoviews/pull/4313))
- Fix bug where Layout/Overlay constructors would drop items
([4313](https://github.com/holoviz/holoviews/pull/4323))

Compatibility:

- Fix compatibility with Bokeh 2.0.1
([4308](https://github.com/holoviz/holoviews/pull/4308))

Documentation:

- Update API reference manual
([4316](https://github.com/holoviz/holoviews/pull/4316))