[SL] Upgrade to 2.7 or 2.8?

[ATM L. <atm...@km...>]

I am back at 2.6.14 and was just about to go to the 2.7 (support) version...

Should I jump to 2.8 instead? After a backup, should I be worried about the
update? 

PS, sorry to hijack the "Problems upgrading from 2.6.27 to 2.8.0" earlier...