Nokia has released firmware updates for three of its Symbian S60 smartphones.
Nokia N79 - v32.001, however the changelog is not available in the mean time. We're sure it's a bugfix release.
Nokia N85 - v31.002. According to AllAboutSymbian, the update only includes bug fixes and some minor tweaks.
Nokia 5530 XM - v20.0.080. Updates Nokia’s Ovi apps (Maps, Store), Nokia Music widget, and more, in addition to the usual bug fixes.
And again, don't forget to backup your device before applying the respective update.