* [465](https://github.com/man-group/dtale/issues/465): optional authentication * [467](https://github.com/man-group/dtale/issues/467): fixed column menu issues when name has special characters * [466](https://github.com/man-group/dtale/issues/466): convert complex data to strings * added "head" & "tail" load types for chart data sampling
1.43.0
Not secure
* [463](https://github.com/man-group/dtale/issues/463): skew & kurtosis on filtered data * Moved Correlations & PPS to side panel * Added "Show/Hide Columns" side-panel * [462](https://github.com/man-group/dtale/issues/462): Graphs slow with big data
1.42.1
Not secure
* added ESC button handler for closing the side panel
1.42.0
Not secure
* Added missingno chart display * added new side panel for viewing describe data * updated how requirements files are loaded in setup.py * added cleanup function to instance object * added animation for display of hidden/filter/sort info row * [306](https://github.com/man-group/dtale/issues/306): ribbon menu
1.41.1
Not secure
* [458](https://github.com/man-group/dtale/issues/458): fix for killing D-Tale sessions in jupyter_server_proxy * [378](https://github.com/man-group/dtale/issues/378): add cleaning functions to chart inputs