Release Summary

This open-source release officially launches Qt 5.12.12 LTS adapted for HarmonyOS, featuring deep adaptation to the HarmonyOS architecture while fully retaining the core capabilities of Qt 5.12.12, including GUI rendering, signal-slot mechanism, cross-platform I/O, network communication and database modules. All adapted source codes are available under both commercial license and GPLv3 open-source license. This release reduces cross-platform porting costs for developers, accelerates the integration of Qt and HarmonyOS ecosystems, and empowers efficient development of multi-scenario HarmonyOS applications.

Release versions


Package Name	Release Date	Download Link	Sha	HarmonyOS Version	Release Description
qt-everywhere-src-5.12.12-v1.0.0	2026-03-31		0c46eadb68fc	API 20+	Initial Version