To feature "periodic refresh"
While Samsung already patched its 840 EVO firmware earlier last year, it appears that it took a bit longer to fix the read performance degradation problem, but the new fix should be available later this month.
Reports of problems with Rest Mode
Reports of boot failures once updated
Custom firmware & security keys released
Another Sony undocumented feature
New version on track for release this week
Update when you have a minute
Pushed back till December 8th
Will be part of upcoming 3.60 firmware