Gentoo-Based Porteus Kiosk 4.7 Brings More Mitigations Against Spectre Flaws

In Summary :

Highlights of the Porteus Kiosk 4.7.0 release include the ability to set the shutdown options for rebooting the kiosk or restarting the session, support for refreshing a web page at a predefined time interval, which could be useful for digital signage purposes, as well as support for redirecting USB devices to Citrix sessions by default.

Another interesting feature implemented in this release is the splitting of the screen rotation function from "screen_settings" parameter to make it easier for users to rotate the screen on various kiosk setups. Also, the "TearFree" and "DRI3" features were enabled by default on the Intel graphics driver for smoother video playback and screen scrolling.

The Wake On LAN function has been updated as well in Porteus Kiosk 4.7.0 to allow users to use it for waking up kiosks that are in other subnets than were the Porteus Kiosk server is located, and a new "Send notification" action was added to the Administration Panel to let sysadmins send a message to multiple clients. [...]

kindly refer the following link as follow up :
https://news.softpedia.com/news/gentoo-based-porteus-kiosk-4-7-brings-more-mitigations-against-spectre-flaws-521606.shtml