Added
- Add `funnel` traces [[3817](https://github.com/plotly/plotly.js/pull/3817), [#3911](https://github.com/plotly/plotly.js/pull/3911)]
- Add `funnelarea` traces [[3876](https://github.com/plotly/plotly.js/pull/3876), [#3912](https://github.com/plotly/plotly.js/pull/3912)]
- Add support for shared color axes via `coloraxis` attributes
in the layout [[3803](https://github.com/plotly/plotly.js/pull/3803), [#3786](https://github.com/plotly/plotly.js/pull/3786), [#3901](https://github.com/plotly/plotly.js/pull/3901), [#3916](https://github.com/plotly/plotly.js/pull/3916)]
- Add support for sorting categorical cartesian axes by value [[3864](https://github.com/plotly/plotly.js/pull/3864)]
- Add `bingroup` to `histogram`, `histogram2d` and `histogram2dcontour` to group
traces to have compatible auto-bin values [[3845](https://github.com/plotly/plotly.js/pull/3845)]
- Add legend `itemclick` and `itemdoubleclick` attributes to set or disable
the legend item click and double-click behavior [[3862](https://github.com/plotly/plotly.js/pull/3862)]
- Add `insidetextanchor` attribute for `bar` and `waterfall` traces [[3817](https://github.com/plotly/plotly.js/pull/3817)]
- Add `textangele` attribute for `bar` and `waterfall` traces [[3817](https://github.com/plotly/plotly.js/pull/3817)]
- Add `textinfo` to `waterfall` traces [[3790](https://github.com/plotly/plotly.js/pull/3790)]
- Add support for side-by-side `scatter3d` `marker` and `line` colorbars [[3803](https://github.com/plotly/plotly.js/pull/3803)]
- Add `meta` attribute to traces to complement `layout.meta` [[3865](https://github.com/plotly/plotly.js/pull/3865)]
- Emit `plotly_relayouting` during drag motion on subplots [[3888](https://github.com/plotly/plotly.js/pull/3888)]
- Add Swedish locale (`sv`) [[3821](https://github.com/plotly/plotly.js/pull/3821)]
Changed
- Use `sane-topojsonv3.0.1` (backed by Natural Earth v4.1.0 shapefiles)
to generate geographic features in `geo` subplots. Most notably, the Russia/Ukraine
border has been updated [[3856](https://github.com/plotly/plotly.js/pull/3856)]
- Draw `box` and `violin` points as legend item when other parts have opacity `0` [[3846](https://github.com/plotly/plotly.js/pull/3846)]
- Draw `marker.line` for bars with no-span [[3848](https://github.com/plotly/plotly.js/pull/3848)]
- Do not make request for topojson files when drawing geo subplot
without geographic features [[3856](https://github.com/plotly/plotly.js/pull/3856)]
Fixed
- Fix `categoryarray` ordering for `heatmap` and `contour` traces [[3827](https://github.com/plotly/plotly.js/pull/3827)]
- Fix `heatmap` brick positioning for non-overlapping categories [[3827](https://github.com/plotly/plotly.js/pull/3827)]
- Fix `Plotly.update` calls that resulted in removal of modebar buttons [[3825](https://github.com/plotly/plotly.js/pull/3825)]
- Fix auto-range for one-sided `violin` with set `width` [[3842](https://github.com/plotly/plotly.js/pull/3842)]
- Fix hover label placement for one-sided `violin` with set `width` [[3842](https://github.com/plotly/plotly.js/pull/3842)]
- Fix `scattergl` mode ordering in/out of selections [[3810](https://github.com/plotly/plotly.js/pull/3810)]
- Fix `scattergl` unselected styling in/out of select/lasso dragmode [[3810](https://github.com/plotly/plotly.js/pull/3810)]
- Fix `automargin` edge cases where draw code can be stuck in infinite loops [[3811](https://github.com/plotly/plotly.js/pull/3811)]
- Fix `locationmode: 'USA-states'` on world scope under `50m` resolution [[3856](https://github.com/plotly/plotly.js/pull/3856)]
- Fix reset view interactions on geo subplots following `geo.scope` updates [[3856](https://github.com/plotly/plotly.js/pull/3856)]
- Fix `Plotly.animate` on graphs with multiple subplot types [[3860](https://github.com/plotly/plotly.js/pull/3860)]
- Fix `filter` transforms that result in empty coordinate arrays [[3766](https://github.com/plotly/plotly.js/pull/3766)]
- Fix handling of `0` number in `pie` and `sunburst` text and hover [[3847](https://github.com/plotly/plotly.js/pull/3847)]
- Fix `sunburst` text in sectors centered around theta=180 [[3907](https://github.com/plotly/plotly.js/pull/3907)]
- Fix handling of number `0` in `sunburst` ids/parents [[3903](https://github.com/plotly/plotly.js/pull/3903)]
- Fix selection range event data on category axes [[3869](https://github.com/plotly/plotly.js/pull/3869)]
- Fix `contour` with heatmap coloring rendering after graph resize [[3803](https://github.com/plotly/plotly.js/pull/3803)]
- Fix `histogram2d` hover label content for trace with bins spanning multiple `y` sample values [[3890](https://github.com/plotly/plotly.js/pull/3890)]
- Fix `parcoords` rendering of first value when it is part of own `constraintrange` [[3915](https://github.com/plotly/plotly.js/pull/3915)]
- Fix rgba colorscale fallback for `parcoords` traces [[3917](https://github.com/plotly/plotly.js/pull/3917)]
- Fix de-selected style of error bar on `bar` traces [[3644](https://github.com/plotly/plotly.js/pull/3644)]
- Fix hover labels rendering for some zoomed-in `violin` traces [[3889](https://github.com/plotly/plotly.js/pull/3889)]
- Fix `mesh3d` `vertexcolor` attribute description [[3688](https://github.com/plotly/plotly.js/pull/3688)]