1. *Polkadot (DOT)*: Known for its interoperability and scalability solutions.

2. *Cardano (ADA)*: Focuses on peer-reviewed research and development.

3. *Solana (SOL)*: Aims to provide fast and scalable blockchain solutions.

4. *Cosmos (ATOM)*: Works on interoperability and scalability through its Cosmos Hub.

5. *Ethereum (ETH)*: Continuously updates with new features and improvements.

Other Notable Projects

1. *Chainlink (LINK)*: Focuses on decentralized oracle solutions.

2. *Tezos (XTZ)*: Known for its self-amending blockchain and on-chain governance.

3. *NEAR Protocol (NEAR)*: Aims to provide scalable and user-friendly blockchain solutions.

4. *Internet Computer Protocol (ICP)*: The Internet Computer Protocol (ICP) is continuously evolving, with updates on various themes such as Compute Platform, Decentralized AI, Chain Fusion, and Developer Experience.

These projects are actively working on new features, improvements, and adoption.

Furthermore, please let me know if there any other project with such development you would like me to know.

$SOL $ICP $LINK