Polygon's Proof of Stake (PoS) system is undergoing an upgrade alongside Ethereum's Dencun upgrade. The Napoli upgrade, an extension of Ethereum's Cancun upgrade, offers various advantages to nodes and enhances the network's overall functionality.

Polygon, formerly known as Matic Network, is dedicated to enhancing user experience and network efficiency with its latest upgrade, Napoli. This upgrade aims to improve the platform's functionality and provide users with a more seamless experience.

The Napoli update, recently implemented on the mainnet, allows developers to expand the network and leverage the increasing on-chain activity. The community has approved several Polygon Improvement Proposals (PIPs) as part of the Napoli upgrade, now live.

These include adopting a new precompile for enhanced account abstraction, activating Ethereum's RIP-7212 for the Polygon PoS network. This facilitates gas-friendly verification of ECDSA signatures, enhancing smart account management efficiency and flexibility.

Additionally, PIP-27 introduces a new precompile for the secp256r1 elliptic curve, reducing costs for proving elliptic curve signatures on rollups and Layer 2s. PIP-16 enhances parallel execution, enabling the Polygon PoS network to identify and execute multiple transactions simultaneously.

Furthermore, PIP-31 introduces new EVM opcodes for Polygon PoS, improving transient storage and opcode performance. Overall, the Napoli upgrade offers numerous benefits to nodes and improves the network's health by enhancing parallelization, storage management, and opcode performance.

As the Mumbai testnet and Ethereum Goerli Faucet are scheduled to go offline on April 13, users are advised to prepare for these changes to ensure continued efficient network usage.