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When Qt 5.0 was released, it was the first version to require C++98 compliant compilers. Qt 5.7 then required C++11, and Qt 6.0 C++17. We're now 2½ years past the finalization of C++20, and we've developed a roadmap for C++20 support in Qt. This talk will first present the general roadmap, then dive into details about what C++20 support means for the Qt C++ APIs. We'll talk about the big features (concepts, modules, ranges, coroutines, etc) as well as the small. Participants will leave with a thorough understanding of the Qt roadmap for C++20 and a few API ideas to take home and apply to their own projects. Learn more about Qt: https://qt.io