Debian Skips 12.3, Ships 12.4, Over File System Worries
According to Bobby Borisov at Linuxiac, Debian 12.4 shipped yesterday with 65 security updates and 94 bug fixes, and Linux kernel 6.1.66. It also fixes the ext4 data corruption issue. That bug was evidently the reason behind version 12.3 becoming missing in action.
You can read Borisov’s take on this here: Debian 12.4 Released, Superseding Debian 12.3 Amid File System Concerns