Reunion-0.5-dists.zip (2026)

Project Reunion was designed to bridge the gap between traditional desktop apps and the Universal Windows Platform (UWP) by providing a unified set of APIs that work across various Windows 10 versions. Release Date: March 29, 2021. Target OS: Support down to Windows 10 version 1809 .

For further technical details, developers can refer to the official Release Notes for Project Reunion 0.5 or the community discussions on the Windows App SDK GitHub . Reunion-0.5-dists.zip

While Project Reunion was meant to bridge platforms, this specific stable release did not yet support building UWP apps (which remained in preview at the time). Project Reunion was designed to bridge the gap

As the initial stable release, version 0.5 had specific limitations: For further technical details, developers can refer to

This release introduced several core technologies for production use:

A modern resource management system for app localized resources.

In this version, production support was strictly for apps packaged as MSIX , which run in a lightweight container.