Flask hit its milestone 1.0 release in 2018, with Python 2.6 and Python 3.3 being the minimum supported versions, and with many of its behaviors finally set in stone.

Working with Python 3 or other flavors of the language, doing security right, implementing common web application components (like sessions or pagination), generating sitemaps—they’re all covered.

Microsoft added new Web app tutorials -- covering Django and Flask -- to its Python documentation for Visual Studio and its open source little cousin, the cross-platform Visual Studio Code editor. As ...