The coppermine gallery team have released a security update to version 1.4.11, followed in quick succession by 1.4.12. This is a fix for a published vulnerability and a mandatory update. A patch is also available.
Simple Machines have released an update to the SMF forum - version 1.1.3. An update for the 1.0 branch (1.0.11) has also been released.
This is a bug-fix release and a required update. Users of version 1.1.2 can update through the SMF admin center.
This is a bugfix + security release and a required update.
Xaraya have released Xaraya Core version 1.1.3 - an enhancement and bug-fix release and recommended update. Note that the full and base packages available for download are still at version 1.1.2 and so should be updated on new installations.