How to make your life easier when developing a client application in modern C++: an example of VK Calls

Developing the VK Calls desktop application was a real challenge. The team set several goals at once: to provide native builds for Windows, macOS, and Linux, to achieve maximum performance and quality, while removing the limit on the number of participants in the call. And to do all this in the shortest possible time. To do this, we had to think in advance how to cut some of the sharp corners that inevitably arise during the development in C++.