### Release Improvements
> ### Kernel changes
-
+* Imported the tmpfs (efficient memory filesystem) from NetBSD.
> ### HAMMER changes
-
+* Updated to HAMMER version 4, moving snapshot settings out of config files and moving snapshots to /var/hammer; add a REDO FIFO to improve fsync performance.
> ### Hardware changes (non-networking)
> ### Hardware changes (networking)
-
+* Imported the alc(4) driver for Atheros AR8131/AR8132 NICs
> ### Userland changes