Qt 5.12.9 is a bug-fix release. It maintains both forward and backward compatibility (source and binary) with Qt 5.12.0 through 5.12.8. For more details, refer to the online documentation included in this distribution. The documentation is also available online: https://doc.qt.io/qt-5/index.html The Qt version 5.12 series is binary compatible with the 5.11.x series. Applications compiled for 5.11 will continue to run with 5.12. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: https://bugreports.qt.io/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * Qt 5.12.9 Changes * **************************************************************************** General ------- - [QTBUG-83318] Fix macOS build after 10.15.4 Chromium -------- - Security fixes from Chromium up to version 83.0.4103.97, including: - CVE-2020-6423 - CVE-2020-6431 - CVE-2020-6432 - CVE-2020-6441 - CVE-2020-6443 - CVE-2020-6450 - CVE-2020-6451 - CVE-2020-6452 - CVE-2020-6455 - CVE-2020-6460 - CVE-2020-6461 - CVE-2020-6464 - CVE-2020-6467 - CVE-2020-6468 - CVE-2020-6493 - Security Bug 1025302 - Security Bug 1025740 - Security Bug 1050090 - Security Bug 1065094 - Security Bug 1066893 - Security Bug 1070012 - Security Bug 1075907