We are happy to announce the release of Qt Creator 4.12.1 !
Aside from various other improvements, this release of Qt Creator fixes some crashes at startup when reading older Clang tools settings and when restoring Android kits after upgrading Qt.
Get Qt Creator 4.12.1
The opensource version is available on the Qt download page under "Qt Creator", and you find commercially licensed packages on the Qt Account Portal. Qt Creator 4.12.1 is also available as an update in the online installer. Please post issues in our bug tracker. You can also find us on IRC on #qt-creator on chat.freenode.net, and on the Qt Creator mailing list.