For example, while the update appears to have been successful, at least one provider of ethereum software notably struggled with preparations for the rollout. As reported by CoinDesk, UK-based Parity Technologies, used by nearly 25 percent of the network, was beset with bugs through the weekend, a development that spurred speculation about last-minute delays.
But while that specter has been avoided, Parity founder and CTO Gavin Wood is now speaking out on the issues, citing the upgrade process as one that is rife with "lessons to be learnt" for the community of developers working on the second-largest blockchain by total value.
More on Wood's views on the ETH folk here:
https://www.coindesk.com/ethereums-gavin-wood-calling-conservative-hard-forks/