Ethereum Expansion Plan ArbitrumRollup testnet has been updated and may run on new software packages.

Blockchain Launches Offchain Labs Announces Major Update to Ethereum Arbitrum Rollup testnet Extension from Ethereum Kovan testnet. Users can submit large contracts in minutes without downloading any software from Offchain Labs. Arbitrum Rollup testnet also provides a full block explorer and bridge token for depositing and withdrawing ETH and ERC-20/721 tokens. Offchain Labs will announce the mainnet launch date, configuration, and other information in the coming weeks. As previously reported, Offchain Labs announced the Arbitrum Rollup test network. Arbitrum Rollup writes the Rollup process that runs on Ethereum. Arbitrum Rollup will announce the Ethereum mainnet in the near future, and announce the Arbitrum side chain and state channel at the end of the year.