Linuxeden开源社区Qt 5.12.11 provides fixes to over 40 bugs compared to Qt 5.12.10 release. Please check details about the release from Qt 5.12.11 Release Note.
As earlier Qt 5.12.11 can be updated to existing online installation by using the maintenance tool. For new installations, please download the latest online installer from Qt Account portal or from qt.io Download page. Offline packages are available for commercial users in the Qt Account portal and at the qt.io Download page for open-source users.
Qt 5.12 LTS is supported until December 2021 and we are still planning to release the last patch release for it before end of support. Exact schedule will be agreed later.
转自 https://www.qt.io/blog/qt-5.12.11-released