Boost 1.55.0
boost has been upgraded to version 1.55.0. This update brings a large number of bug fixes and enhancements, one new library (Predef), and a slight change in requirements as support for very old versions of several compilers has been removed. For a full list of changes, see the Boost 1.55.0 Release Notes.
GCC 4.9.x
The GNU Compiler Collection (GCC) has been upgraded to version 4.9.x, and all Fedora packages have been rebuilt with this new version of GCC.
The update provides a large number of bug fixes and enhancements. The notable newly supported features and changes are listed below:
- ISO C11 support is largely complete
- partial support for C++14
- C++11 support for regular expressions
- the OpenMP 4.0 standard
- the Undefined Behavior Sanitizer (UBSAN)
- the Cilk Plus extension
For detailed information about all changes, see the GCC 4.9 Release Notes.