KDE has released a monthly update KDE 4.9.3 which focused on bug fixing and translations updates. The list of bug fixed is quite big, 86 and several key components that gets the most update are Kate editor and Kontact email and groupware client. For detailed information about those bug fixes, please head on to their bug tracker.
There's one bug that were found out after the package has been released and that is qyoto won't be build against cmake 2.8.10 (Bug 309652), but there's a suggested patch for this bug report, even though it's not yet committed to the repository.
Expect KDE packages for Slackware soon enough from Eric Hameleers