* updates to how app's _override_routes rebuilds url_map * requirement tweaks to werkzeug
2.15.0
Not secure
* [490](https://github.com/man-group/dtale/issues/490): stratified random sample in charts * Updated sklearn column_builders to handle import failures
2.14.4
* Added dataclasses requirement for python environments >= 3.6 and < 3.7
2.14.3
* backwards compatability for pandas `string` dtype and tests
2.14.2
* removed extraneous dependency `soupsieve`
2.14.1
Not secure
* update requirements to no longer pin and allow for older versions of packages * update unit tests to allow for backwards compatibility with older versions of mock library * update how `Flask.url_for` is detected rather than pinning to specific version of python * separated black & Flake8 code formatting checks into own job in CircleCI