Update README.md

Author: devmfc

README.md

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 Minimal Debian and Ubuntu Linux images for Amlogic based OTT TV-boxes with mainline Linux LTS kernel. Boots the kernel with vendor u-boot, so without the use of a chain loaded u-boot.
 
 ## Current images:
-- Debian Trixie (v13) with Linux kernel 6.12.41
-- Ubuntu Plucky Puffin (v25.04) with Linux kernel 6.12.41
+- Debian Trixie (v13) with Linux kernel 6.12.48
+- Ubuntu Plucky Puffin (v25.04) with Linux kernel 6.12.48
+- Preview Ubuntu Questing Quokka (v25.10) with Linux kernel 6.12.48
 
 ## Tested TV-boxes with box specific DTB (bluetooth / leds / vfd display)
 - A95X (S905)