# Ethereum Development Roundup #5: Metropolis, Casper, Sharding, and Client Updates

DevFeed: [Ethereum Development Roundup #5: Metropolis, Casper, Sharding, and Client Updates](<https://devfeed.tech/articles/roundup-5-16810.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2017/08/23/roundup-5>)

Author: Ethereum Foundation

Published: 2017-08-23T12:34:51Z

Content type: news

Language: en

Sources: [Ethereum Foundation Blog](<https://devfeed.tech/sources/ethereum-foundation-blog.md>)

Topics: [Metropolis](<https://devfeed.tech/topics/metropolis.md>), [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Development](<https://devfeed.tech/topics/development.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [code-quality](<https://devfeed.tech/tags/code-quality.md>), [dev](<https://devfeed.tech/tags/dev.md>), [development](<https://devfeed.tech/tags/development.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [metropolis](<https://devfeed.tech/tags/metropolis.md>), [python](<https://devfeed.tech/tags/python.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

This Ethereum development roundup reports progress toward the Metropolis launch, including the Byzantium and Constantinople split and ongoing EIP, testing, and client work. It also covers Casper and sharding research, a testing language, the Plasma whitepaper, network stability, database improvements, hardware-wallet support, and other client updates.

## Source excerpt

Development has steadily continued over the last month and a half as we approach the launch of Metropolis. Over a series of core dev calls over the last few months, we have specified and finalized the EIPs for...