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# System prepended metadata

title: Development updates Week 6

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## Development updates Week 6

- Added support for holesky testnet : 
https://github.com/ralexstokes/mev-rs
https://github.com/ralexstokes/ethereum-consensus/pull/218

- Worked on some simple issues on `rust-libp2p`:
https://github.com/libp2p/rust-libp2p/pull/4454
https://github.com/libp2p/rust-libp2p/pull/4445
https://github.com/libp2p/rust-libp2p/pull/4409