Solving the Historical State Problem in Matrix

Dive into a 54-minute conference talk exploring the challenges of historical state in Matrix and proposed solutions. Learn why state management is crucial for determining room properties in the decentralized Matrix protocol. Understand the performance issues that arise from accumulating state updates over time, particularly in rooms with frequent member changes. Discover how these problems impact average users and homeserver operators. Explore the proposed solution outlined in Matrix Spec Change 3901, which aims to address the historical state problem. Gain insights into the technical aspects of Matrix's append-only management system and its implications for CPU resource usage in federated networks.

Andrew Morgan: Solving the Historical State Problem in Matrix