is this a fix ?

[sfilansno1fan]

i have had the 4.3 update a couple of weeks now i havent had any major issues tbh i plugged my phone into kies just now and it informed me that there was an update is this a fix to everyones complaints or what i have no actual idea
it says new firmware:
pda:mk8:/phone:mk8/csc:mk5(btu)

 

[mlauzon]

I get a similar error:

Your device's current firmware version is not supported to update firmware via Kies.
Current firmware version: PDA:MK6 / PHONE:MK6 / CSC:MK6 (TLS)

But there doesn't seem to be a way to "update" it.