MSVC Version Qt 5.15.2 Binary Compatibility Notes
MSVC 2017 (v141) ✅ Fully compatible Officially supported by Qt 5.15.2
MSVC 2019 (v142) ✅ Safe and widely used Common choice for Qt 5.15.2 builds
MSVC 2022 (v143) ⚠️ Conditionally compatible May require you to rebuild Qt 5.15.2 from source

Qt binaries are compiler-specific. For example, binaries built for MSVC 2019 cannot be safely linked with code compiled using MSVC 2022.