https://www.raspberrypi.com/news/a-new-raspberry-pi-os-release/

We��Tve just published a new version of Raspberry Pi OS ��" our recommended (and free) operating system for all Raspberry Pi computers ��" and it��Ts now available for download. Scroll to the bottom of this post to find instructions for updating, or read on to find out what has changed.

As many of you already know, Debian Linux works on a two-year release cycle ��" every odd-numbered year, a new major version is released, and it being 2025, there will be one in the next few months.

So this is probably the final release of Raspberry Pi OS which is based on Debian ��~bookworm��T, before Debian ��~trixie��T is released this summer. The last full release we made was back in November last year, and there have been quite a few changes since then, so here��Ts a summary of the most important.We��Tve just published a new version of Raspberry Pi OS ��" our recommended (and free) operating system for all Raspberry Pi computers ��" and it��Ts now available for download. Scroll to the bottom of this post to find instructions for updating, or read on to find out what has changed.

As many of you already know, Debian Linux works on a two-year release cycle ��" every odd-numbered year, a new major version is released, and it being 2025, there will be one in the next few months.

So this is probably the final release of Raspberry Pi OS which is based on Debian ��~bookworm��T, before Debian ��~trixie��T is released this summer. The last full release we made was back in November last year, and there have been quite a few changes since then, so here��Ts a summary of the most important.

Screen locking

We��Tve installed a modified version of the swaylock screen locking application. Anyone who has used swaylock will be familiar with its somewhat minimal interface ��" when you lock the screen, you just get a completely white screen with no indication of what has happened or what you need to do. We felt this was a bit unhelpful, so we��Tve added a custom front end which gives a bit more feedback as to what is happening and what you need to do to unlock it again!

You can now lock the screen by pressing Ctrl-Alt-L, or by choosing ��~Shutdown��|��T from the main menu and selecting Lock Screen in the dialog. You��Tll then see the lock screen, with a password entry box.

Auto login options

In Linux desktops, it is usually possible to access a command-line console (known as a TTY) by pressing Ctrl-Alt and one of the function keys from 1 to 7. We have always set up Raspberry Pi Desktop so that if you boot to the desktop and enable auto login, then the TTY on Ctrl-Alt-F1 is also automatically logged in. If you use the screen lock described above, this gives a potential security hole, as the TTY switches are not disabled when the screen is locked.

What this means is that if you lock the screen, you should need to enter a password to be able to access the Raspberry Pi desktop again. But if a TTY is also logged in, someone can just hit Ctrl-Alt-F1, switch to the logged-in TTY, and gain access to the computer.

In order to prevent this, we have now separated console and desktop auto login options. On a new image, both console and desktop are automatically logged in, but if you want to prevent someone using this to get around the screen lock, we recommend turning off console auto login. There are now controls for this both in Raspberry Pi Configuration and in raspi-config.

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