Optimism Recommends op-node v1.19.8 For Sequencers Ahead Of Glamsterdam

Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure TL;DR Optimism has released op-node v1.19.8 and recommends it particularly for sequencer operators using `–l2.follow.source`. The release fixes recurring slow block builds around L1-origin transitions and strengthens validation of hardfork activation ordering. Sepolia OP Stack operators must be on op-node v1.19.5 or later before the October 6 Glamsterdam hardfork. Optimism has shipped a focused op-node update aimed at keeping sequencers fast and configuration mistakes from turning into upgrade problems. Version 1.19.8 was released October 1 and is recommended particularly for sequencer operators running with `–l2.follow.source`. This is not a user-facing OP token event. It is the kind of infrastructure release that matters precisely because most users should never notice it. The release targets slow blocks at L1-origin transitions Optimism says sequencers will now prefetch each new L1 head’s block and receipts as soon as the head is observed. Previously, operators using the follow-source configuration could hit recurring slow block builds when the L1 origin changed and the required d...