Android introduced the most awaited feature of merging the data adapter into the list with the release of recyclerview:1.2.0-alpha02 package.

MergeAdapter is a new class available which enables you to sequentially combine multiple adapters to be displayed in a single RecyclerView. This enables you to better management of your adapters rather than having to combine many data sources into a single adapter.

Link: https://blog.joshsoftware.com/2020/04/13/merge-multiple-adapters-with-mergeadapter/