* [213](https://github.com/man-group/dtale/issues/213): Support for koalas dataframes * [214](https://github.com/man-group/dtale/issues/214): fix for USE_COLAB (colab proxy endpoint injection)
1.9.0
Not secure
* added the ability to build columns using transform * added USE_COLAB for accessing D-Tale within google colab using their proxy * [211](https://github.com/man-group/dtale/issues/211): Code export doesnt work on google colab
1.8.19
Not secure
* backwards compatibility of 'colorscale' URL parameters in charts * dropping of NaN locations/groups in choropleth maps
1.8.18
Not secure
* [150](https://github.com/man-group/dtale/issues/150): replace colorscale dropdown with component from dash-colorscales * added the ability to choose been ols & lowess trendlines in scatter charts * [83](https://github.com/man-group/dtale/issues/83): allow for names to be used in url strings for data_id
1.8.17
Not secure
* [151](https://github.com/man-group/dtale/issues/151): allow users to load custom topojson into choropleth maps
1.8.16
Not secure
* [200](https://github.com/man-group/dtale/issues/200): support for xarray