Improved Call Screening (Identify Spams).Improved Camera features (Bokeh Mode, Built-in HAL, and Camera2 API support).Google Play System Update (Security Patch).
So, the Android 11-based Lineage OS 18.1 firmware offers all the useful and popular features like the Conversation Notification, One-Time App Permissions, Notification History, Chat Bubbles, Built-in Screen Recording, Improved Media Player, Smart Reply, New Power Menu, Scoped Storage, Wireless ADB, Pin Apps to Share sheet, and more. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway. Linked below is a package that has come from another Android project that restores the Google parts. It can be used without any need to have any Google application installed.
LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community.
LineageOS is a free, community-built, aftermarket firmware distribution of Android 11, which is designed to increase performance and reliability over stock Android for your device.