Qt5 Long Term Support Commercial releases ========================================= Qt 5.15 has moved to LTS mode where the releases starting with 5.15.3 are available only for commercial Qt users with appropriate license. The Qt 5.15 LTS Commercial source code is available in the tqtc shadow repositories and their LTS branches as described in https://wiki.qt.io/Building_Qt_5_from_Git#Getting_the_Qt_5.15_LTS_Commercial_source_code The meta-qt5 layer can be used to build the LTS releases using the lts-5.15 branch. In order to build the LTS release, you must have SSH access set up to the Qt Gerrit as instructed in https://wiki.qt.io/Setting_up_Gerrit For more information about the Qt 5.15 LTS Commercial releases, see https://wiki.qt.io/Qt_5.15_Release#Qt_5.15_LTS_Commercial_Releases