Samsung Community 2021 ((top)) - R2

in the context of the Samsung Community refers to a specific regional designation for the platform's infrastructure, most notably observed in the domain structure (e.g., r2.community.samsung.com

Based on Samsung's update history, "R2" likely refers to — specifically its second major beta or stable rollout (sometimes codenamed internally with "R" for Android 12, and "R2" for a refinement). In 2021, the Samsung Community forums were actively discussing new features and issues. r2 samsung community 2021