Developers using Jinja2 templating should note that the template tags in this release (and earlier releases in the 2.15.x and 2.16.x series) are compatible with Jinja2 2.11.x and 3.0.x. Jinja2 2.11.x is unmaintained and requires ``markupsafe`` to be pinned to version ``<2.1``towork;Jinja23.1.xhasbreakingchangesandisnotcompatible.WethereforerecommendthatyouuseJinja23.0.x,or2.11.xwithfullypinneddependencies.