Added
- Add `shift` and `autoshift` to cartesian y axes to help avoid overlapping of multiple axes [[6334](https://github.com/plotly/plotly.js/pull/6334)],
with thanks to [Gamma Technologies](https://www.gtisoft.com) for sponsoring the related development!
- Introduce group attributes for `scatter` trace i.e. `alignmentgroup`, `offsetgroup`, `scattermode` and `scattergap` [[6381](https://github.com/plotly/plotly.js/pull/6381)],
this feature was anonymously sponsored: thank you to our sponsor!
- Add `marker.cornerradius` attribute to `treemap` trace [[6351](https://github.com/plotly/plotly.js/pull/6351)]
Changed
- Change bundler from browserify to webpack [[6355](https://github.com/plotly/plotly.js/pull/6355)]
Fixed
- Fix auto `backoff` when marker symbols and sizes are arrays [[6414](https://github.com/plotly/plotly.js/pull/6414)]
- Avoid displaying resize cursor on static sliders [[6397](https://github.com/plotly/plotly.js/pull/6397)]