What's new:<p>* The ZFS filesystem now supports TRIM when used on solid state drives.<p>* The virtio(4) drivers have been added to the GENERIC kernel
configuration for amd64 and i386 architectures.<p>* The ZFS filesystem now supports lz4 compression.<p>* OpenSSL has been updated to version 0.9.8y.<p>* DTrace hooks have been enabled by default in the GENERIC kernel.<p>* DTrace has been updated to version 1.9.0.<p>* Sendmail has been updated to version 8.14.7.<p>* OpenSSH has been updated to version 6.2p2.<p>* Import unmapped I/O support from head/.