* Qt6 can be used when building with LOG4CXX_QT_SUPPORT=on
* TelnetAppender can now deliver messages when the socket is in
a TIME_WAIT state [#495]
* TelnetAppender can be restricted to specific network [#498]
* The following issues have been addressed:
* HTML output was illformed when the logger name, title or
thread name contained the special HTML characters
* JSON output was illformed when a message contained certain
control characters [#512]
* Undefined behaviour when reloading a configuration file after
calling LogManager::shutdown [#504]
* Compilation error when using gcc on MacOS [#499]
* It was possible for logging events to be lost when reloading
a configuration file [#491]
* Buffered file output is now periodically flushed by a
background thread [#445]
* The MultiprocessRollingFileAppender did not work [#439]
* Boundary conditions not comprehensively checked when
processing a configuration file
* Properly prevent undefined behaviour when an appender is
deleted without being closed [#431]
* Prevent abnormal termination on exit when using a static
NDC/MDC variable [#426]
* Support for std::experimental::optional
* Overhead reduction of upto 60% sending logging events to
an appender
* Statistics on the AsyncAppender's queue length
(in Log4cxx debug output)
* Fuzz tests along with Google OSS-Fuzz integration
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/log4cxx?expand=0&rev=18