Qt 5.14 introduces many new features and improvements as well as bugfixes over the 5.13.x series. 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 5.14 series is binary compatible with the 5.13.x series. Applications compiled for 5.13 will continue to run with 5.14. - Note about API stability: * All classes related to secure connections are out of technology preview state. - Qt OPC UA API * GDS client support (Tech-Preview, uacpp-only) * Support for generating X509 Certificate Signing Requests (Tech-Preview) - open62541-backend * Update of open62541 to 1.0. This enables the open62541-backend to handle secure connections. This includes the security policies Basic128Rsa15, Basic256 and Basic256Sha256. Still unsupported by the open62541-backend are "Private keys with password", "Manual override in case of certificate verification errors" & "X509 identity tokens".