Qt developers have announced the new release of Qt 5.12.4 on 17th June, 2019.
Qt 5.12.4, the fourth patch release of Qt 5.12 LTS.
It provides a number of bug fixes, as well as performance and other improvements.
Also, it provides binaries build with OpenSSL 1.1.1, including the new TLS 1.3 functionality.
Qt 5.12.4 provides around 250 bug fixes compared with the previous release of Qt 5.12.3.
OpenSSL 1.1.1 has beenn updated since the older version of OpenSSL runs out of support at the end of the year.
And some platforms requires OpenSSL 1.1.1 sooner like Android, etc.,
Since OpenSSL 1.1 is binary incompatible with 1.0. Hence users are urged to switch to the new one and repackage their applications.
OpenSSL 1.1 comes with TLS 1.3, which bringing significant cryptography and speed improvements.
Also, removed some of the old and insecure crypto algorithms, at the same time they added support for some new crypto algorithms.
Qt 5.12 is LTS release that will be supported for 3 years. So, users whoever running in older version they are advised to upgrade with latest supported version.
- Qt 5.6 Support has ended in March 2019 – Users are urged to upgrade to Latest version of Qt 5.12
- Qt 5.9 LTS is currently in ‘Strict’ phase and receives only the selected important bug and security fixes
- Qt 5.12 LTS is current stable LTS version which currently receiving all the bug fixes.
Qt 5.12.4 is now available via the maintenance tool of the online installer.
Commercial users can download the latest online installer from Qt Account portal.
open-source users can download the latest one from qt.io Download page.