ReadyNAS OS V6.10.0 Release Notes:

Download Link:

arm (RN102 / RN104 / RN202 / RN204 / RN212 / RN214 / RN2120)
x86_64 (RN312 / RN314 / RN316 / RN422 / RN424 / RN426 / RN516 / RN524X / RN526X / RN528X /  RN626X / RN628X / RN716X / RR2304 / RN3130 / RN3138 / RN3220 / RN4220 / RR3312 / RR4312X / RR4312S / RR4360X / RR4360S)

Bug Fixes:

• Disk spin down is available for the 4-bay rackmount units (RN2120 and RR2304)
• Fixed failing ReadyDR incremental backups
• Fixed AV definition files filling up the root partition
• Fixed Apache port 2 configuration issue   
• Improved password hash method for all newly created passwords.
• Expanded apps' size support to 512MB

Warnings:

• Devices updated with 6.10.1 firmware should not be downgraded to firmware versions before 6.10.0.    
• ReadyNAS 102, 104, and 2120 systems must not be updated directly to 6.10.x from 6.3.x or older firmware. They must first be updated to either 6.2.5 or 6.3.5 then to 6.5.2 and then to 6.10.x.    
• ReadyNAS 202, 204, 212 and 212 systems must not be updated directly to 6.10.x from 6.3.x. They must first be updated to 6.3.5 then 6.5.2 and then to 6.10.x.

Firmware Update Instructions:

For instructions on updating your firmware, see http://kb.netgear.com/app/answers/detail/a_id/26212/~/readynas-os-6%3A-updating-firmware.