We are pleased to announce the release of MapProxy 1.9.0. It contains a lot of major and minor improvements.
The latest release is available at: https://pypi.python.org/pypi/MapProxy
To upgrade within your virtualenv:
$ pip install --upgrade --no-deps MapProxy
Updated documentation is available at: https://mapproxy.org/docs/1.9.0/
You can now directly integrate ArcGIS services without the need to enable WMS support.
The new band merge feature allows you to create false-color or grayscale images on the fly, by selecting different sources for each (color) band.
There are many more changes and improvements. For a complete list of see: http://github.com/mapproxy/mapproxy/blob/1.9.0/CHANGES.txt