Version 0.8.0

The 0.8.0 release is a minor release with some exciting new features and a large number of bug fixes and enhancements. Many thanks to @FabianHofmann, @jomey, @ablythed, @jlstevens, @hoxbro, @michaelaye, @MridulS, @ppwadhwa, @maximlt, @philippjfr for contributing!

Main new features:

• Add ability to call interactive on bound functions (#720)
• Add support to the Matplotlib and Plotly backends (#653)
• Add the hvPlotExplorer, a Panel UI component designed to explore data (#638, #639, #651, #710, #726)

Enhancements:

• Interactive:
  • Allow using getitem on an accessor in interactive (#633)
  • Allow attribute access on ufunc on interactive (#635)
  • Enhancements for interactive API (#640)
  • Flatten op_args to be able to find nested widgets (#699)
• Allow dynspread to be used with rasterize (#637)
• Add a title to xarray plots with scalar coords (#659)
• Adding datashade and rasterize options to scatter_matrix (#495)
• Update the default internal value of clim to support Matplotlib (#679)
• Ensure bokeh/panel extension is loaded only once (#686)
• Add support for planar layout from Networkx (#700)
• Wrap color in hv.dim when it matches a dimension/column (#717)
• Expose datashader line_width and rescale_discrete_levels options (#731)
• Improve array-like handling for x and y inputs (#714)

Fixes:

• Interactive:
  • Interactive fixes (#630)
  • Fix for interactive transform (#632)
  • Fix issue with accessors on interactive (#641)
  • Consistently dereference attribute access (#642)
• State that the data cannot be symmetric if it's empty (#680)
• Disable hover on errorbars plot (#721)
• Fix application of the scale argument for geoviews features (#725)

Documentation:

• Add scatter matrix reference (#689)
• Plotting user guide enhancement (#694)
• Download a tutorial file with the right filename (#711)
• Add more imports to try/except import check (#693)
• Various minor documentation enhancements and fixes (#625, #643, #644, #663, #678, #722)

Maintenance:

• Drop support for py2.7, min supported version is py3.6 now (#702)
• Switch to Pytest and run the CI on Python 3.6, 3.8 and 3.9 (#703)
• Changed to packaging.version (#708)
• Fix a broken test due to PROJ unexpectedly matching a normal string (#660)
• Various improvements to the CI (#690, #691. #709, #712, #715, #719, #724, #727, #730, #732, #733, #734, #735)

Version 0.7.3

This is a minor release focusing on greatly improving the .interactive() API for flexibly building simple apps using widget controls. Thanks to @jbednar and @jlstevens for a few small fixes and many thanks to @philippjfr for all the rest!

Features:

• Improved .interactive Dataframe support: max_rows display, column access (#640)
• Improved accessor and attribute behavior for .interactive (#633, #635, #641, #642)
• Add .holoviews() terminal method to .interactive pipelines
• Add support for kwargs to .interactive.layout
• Misc fixes to .interactive API (#630, #632)
• Allow dynspread=True to be used with rasterize=True (now that Datashader supports it)

Version 0.7.2

This is a minor release with a number of bug fixes and enhancements.
Many thanks to @StefanBrand, @loicduffar, @brl0, @michaelaye, @aaronspring, @toddrjen, @raybellwaves, @jlstevens, @jbednar and @philippjfr for contributing.

Features:

• Add support for geographic features (#622)
• Added support for OHLC plot (#623)

Enhancements:

• Support setting options for diagonal plots in scatter_matrix (#602)
• Take group_label from columns if available (#615)
• Add kwargs to interactive.layout()

Bug fixes:

• Fix support for clim on contours (#587)
• Adding default coordinates to datasets with missing coords (#605)
• Do not plot streamz example point (#614)
• Fix passing in multiple z-values (#616)
• Ensure violin and boxplot color is applied (#619)
• Ensure categorical colormapping is applied during datashade (#621)

Compatibility:

• Switch default tile source to OSM (since Wikipedia tiles are no longer available) (#610)

Documentation:

• Correctly document .hist rather than .histogram (#571)
• Use strings rather than bytes when referring to airplane dataset columns (#538)
• Preserve function signature and docstring in with_hv_extension (#601)
• Add hover_cols example (#612)
• Switch to pydata sphinx theme (#613)
• Update available options in customization docs (#620)

Version 0.7.1

Major new features:

• Add Ibis backend, providing hvPlot features for lazy SQL queries (#507)

Bugfixes and minor updates:

• Add hover='vline' hover='hline' options to expose Bokeh HoverTool mode (#493)
• Support streaming plots from HoloViews streams (not needing a streamz source) (#542)
• Misc: GitHub Actions (#568), melting wide data (#566), 'by' columns (#565), NetworkX (#549), cycles for continuous colormaps (#548), interactivity warning (#550)

Version 0.7.0

Thanks to @philippjfr for managing this release and implementing most of the features, and to @jbednar, @ahuang11, and @AurelienSciarra for contributions.

Major new features:

• Powerful new .interactive() API for building easy apps (#505, #523)
• New transforms argument to transform data in .hvplot() calls (#526)

Other new features and enhancements:

• Support passing geographic projections as strings (#372)
• Improved data selection, e.g. for filtering on metadata (#522)
• Provide color_key to datashade as well as cmap, for convenience (#525)
• Update param warnings to new API (#528)
• Replace TravisCI tests with GitHub Actions (#524)

Bug fixes:

• Fix for specifying hover_cols (#504)
• Remove outdated reference to __main__ console script (#494)
• Misc doc fixes, including to Streaming.ipynb (#481, #511)
• Handle node_shape for networkx (#527)

Version 0.6.0

This release includes major contributions from @philippjfr (overall maintenance and bugfixes) and @jsignell (reference gallery), plus additional contributions from @slamer59 (environment), @anitagraser (examples), @itcarroll (color_key alias), @Timothy-W-Hilton (bugfix), @jbednar (bugfix), @SandervandenOord (fontscale), and @jordansamuels (doc fixes).

New features:

• Added (a start to) a reference gallery (#302, #357, #359, #360, #361)
• Improved save and show utilities (#451)
• Improved compatibility for tab completion (#411)
• Major performance enhancement with Datashader in some cases (#465)
• Add support for cuDF (#454, #466)
• Support by argument for categorical aggregation (#461)
• Support color_key alias (#446, #458)
• Support spatialpandas for large sets of polygons (#459)
• Add fontscale keyword (#397)
• Added heat and trees example to topics (#378)

Bug fixes and compatibility:

• Fixed 'title_format' deprecation warning (#428)
• Fix networkx documentation (#476)
• Avoid sorting overlays, to make color cycles consistent (#475)
• Replaced sphinx_pyviz_theme with sphinx_holoviz_theme (#366)
• Removed references to pyviz (#373)
• Update environment.yml (#356)
• Misc bugfixes/updates (#387, #403, #408, #439, #447, #448, #449, #450, #452, #453, #456, #467)

Version 0.5.2

This release mostly includes contributions from @jsignell.

• Allow tile sources to be objects as well as strings (#345)
• Set geo=True by default for coastline (#344)
• Add check_symmetric_max limit for working with large data (#340)
• Expose plot at top level, to support pd.options.plotting.backend = 'hvplot' (#347)
• Misc bug fixes (#341, #343, #346)

Version 0.5.1

Minor release with updates to continuous integration setup (from @jsignell).

Version 0.5.0

This is a major release that includes bug fixes, changes to default behavior, and enhancements.

Features:

• Widget handling capabilities to facilitate interactivity (#323, #331)
• New default colormaps (#258, #316, #206)
• long_name(units) used to label xarray objects (#173)
• Derived datetime accessor handlind ( #263, #286)
• coastline and tiles options for easy geo plots.
• Automatic date sorting (#259)
• Allow use of strings as aggregators for datashader (#257)

For a full list of changes see: v0.4.0...v0.5.0

Version 0.4.0

This is a major release which includes the addition of a networkx plotting API and a number of important bug fixes.

Features:

• A new NetworkX interface providing equivalents for the networkx plotting module (#152, #154)

Fixes:

• Fixed handling of labelled property to hide axis labels (#142)
• Fixed handling of DataArrays and groupby on RGB plots (#138, #141)
• Allow setting axis position (#149)
• Fixes for setting the axis positions (#145)