Back in October Google surprised everyone by announcing Android 12L, an evolution of Android 12 that is specifically designed to be optimized for larger screens than those of phones. We're talking tablets, foldables, and Chrome OS devices. Fast forward to today and the first Android 12L Developer Preview is available for the Lenovo Tab P12 Pro. A public beta is coming "soon", for this tablet as well as Pixel devices - Android 12L will arrive as an update on phones too, even though its main focus is on larger things. If you're a developer, you can grab the Android 12L Developer...
Source: https://www.gsmarena.com/android_12l_developer_preview_is_now_available_for_the_lenovo_tab_p12_pro-news-52101.php