There’s one change for this release: to make pcWRT parental control co-exist with Barracuda Web Security. Before this change, computers with Barracuda installed cannot surf the Internet when put in a profile with parental control on.
If you are updating from a version earlier than v1.21.2 and have an existing guest network, you need to recreate it after this update: go to the Wireless Settings page, remove the guest network, Save. Re-create the guest network, Save again.
To update to this version, click the “Check for Updates” button in the System settings page.