ReadyNAS OS V6.5.1 Release Notes:

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Download Link:

arm (RN102 / RN104 / RN202 / RN204 / RN212 / RN214 / RN2120)
x86_64 (RN312 / RN314 / RN316 / RN516 / RN716x / RN3130 / RN3138 / RN3220 / RN4220)

Enhancements:

1. Database verification and recovery during startup.
2. Fan speed adjustment on systems with erratic fan readings.
3. Shortened the timeout when checking for SMB2 and SMB3 support when starting a SMB backup job.

Bug Fixes:

1. Occasional crash during shutdown when setting WoL. (RN202/RN204/RN212/RN214).
2. Switching to the wrong UID mapping scheme on upgrade in ADS mode. 
3. File duplication failure on AFP when logged in using the same username and UID from OS X.
4. NFS snapshot access when using a configured host list.
5. Possible missed snapshots under some circumstances.
6. SMB backup job failure when the username contains a space 

WARNINGS:

• Devices updated with 6.5.1 firmware cannot be downgraded to versions of the firmware earlier than 6.5.0.
• ReadyNAS 102, 104, and 2120 must not be updated directly from 6.3.0 - 6.3.4 to 6.5.0. They must first be updated to either 6.2.x or 6.3.5.

How to update the firmware: