具体更新内容如下：
Support for rarpd(8) added to vlan(4). [r245076]
xz(1) updated to version 5.0.4. [r245128]
The ZFS filesystem now supports TRIM when used on solid state drives. ZFS TRIM support is enabled by default. [r251419] The following tunables have been added:
vfs.zfs.trim.enabled: Enable ZFS TRIM
vfs.zfs.trim.max_interval: Maximum interval in seconds between TRIM queue processing
vfs.zfs.trim.timeout: Delay TRIMs by up to this many seconds
vfs.zfs.trim.txg_delay: Delay TRIMs by up to this many TXGs
The firewire(4) drivers have been removed from the GENERIC kernel configuration for all architectures. [r246321]
awk(1) has been updated to version 20121220. [r246373]
The virtio(4) drivers have been added to the GENERIC kernel configuration for amd64 and i386 architectures. [r247306]
The ZFS filesystem now supports lz4 compression. [r247309]
The oce(4) has been updated to version 4.6.95.0. [r248062]
OpenSSL has been updated to version 0.9.8y. [r248272]
The bsdinstall(8) installer now supports installation over HTTP. [r248313]
DTrace hooks have been enabled by default in the GENERIC kernel. [r249549]
DTrace has been updated to version 1.9.0. [r249856]
Sendmail has been updated to version 8.14.7. [r249865, r249866, r249867, r249875]
OpenSSH has been updated to version 6.2p2. [r251135]
less(1) has been updated to version 458. [r251154]
Add ATA pass-through support to cam(4). [r251302]
Implement new rc.conf(5) syntax for hostapd(8). The new format is: ifconfig_wlanX="HOSTAP", where X represents the wlan(4) interface. [r252748]
Import unmapped I/O support from head/. [r251897]
Merge nvme(4) from head/. [r252222]
Add support for the Chelsio 40G T5. [r252495]
Add a tunable to increase the initial TCP congestion window from 4 segments to 10 segments. This tunable can be enabled by adding net.inet.tcp.experimental.initcwnd10=1 to sysctl.conf(5). This tunable is turned off by default in FreeBSD 9.2-RELEASE. [r252789]
Update the ixgbe(4) driver. [r252898]
Update the Intel e1000 driver. [r252899]
Add support for the HighPoint DC Series Data Center HBA (DC7280 and R750). [r252903]
Add service-specific setfib(1) support. This is enabled by setting:
Update devices supported by cxgbe(4). [r253776]
Remove ctl(4) from the GENERIC kernel configuration. [r253860]
项目主页：http://forums.freenas.org/threads/announcing-freenas-9-2-0-release.17024/
下载地址：http://www.freenas.org/download-releases.html
来自:开源中国社区