This release bring the following new features:
- configurable message pumping mechanism, programmers can select a so-called exchanger for new redist constructors with an additional argument or users/administrators by setting the XT_CONFIG_DEFAULT_EXCHANGE_METHOD environment variable
- by setting FC=no at configure time, it is possible to perform a C-language only build
The release also includes various minor improvements to the code, the build and test infrastructure, and reliability of build configuration.
Also see commit log at 4334d020.
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