.. _release-1-4-0:

1.4.0
=====

Bokeh Version ``1.4.0`` (October 2019) is a significant release that marks the
end of support for Python 2.7 and Python 3.5 and earlier.

*Starting with the next release, Bokeh 2.0, Python 3.6 or later will be required.*

This release includes several important fixes and features:

* Complete new site design for documentation, including search  :bokeh-issue:`8209`
* Jupyterlab ipywidgets integrations  :bokeh-issue:`9137`
* Security related improvements to the Bokeh server   :bokeh-issue:`9139`, :bokeh-issue:`9140`
* New integration added for Django Channels   :bokeh-issue:`9009`
* Precompiled Bokeh extensions   :bokeh-issue:`9196`
* Legend improvements  :bokeh-issue:`9135`,  :bokeh-issue:`9144`
