Firmware 04.05.00-320 (11/28/2017) is out for the first gen single bay My Cloud units. Feel free to post the good and bad about the firmware.
4.05.00-320 Release Notes: http://support.wdc.com/download/notes/WD_My_Cloud_Firmware_Release_Notes_04.05.00-320.pdf?v=567
- Resolved SMB server (samba) security vulnerability (CVE-2017-7494) - Malicious clients can upload and cause the SMB server to execute a shared library from a writable share.
- Improved Cloud Access connectivity from the device.
- Resolved issue of MyCloud device waking up from standby despite no activity.
Direct link to download: http://download.wdc.com/nas/sq-040500-320-20171027.deb