The DragonFly BSD 2.10.1 release is now available. This release sports significant compatibility and performance improvements and many new features. Big-ticket items: this release supports a much larger variety of hardware and multiprocessor systems than previous releases, thanks to updates of ACPI and APIC and ACPI interrupt routing support; Hammer volumes can now deduplicate volumes overnight in a batch process and during live operation; Packet Filter (pf) was updated to a version based upon OpenBSD 4.4; DragonFly now uses GCC 4.4 as the default system compiler, and is the first BSD to take that step; significant performance gains over previous releases....