What are the most important features that should be in the next version of the OP Stack (fjord)?

There's already one planned, EIP-7212 as a predeploy. What else?

cofounder /ethglobal, team /op-stack, /canada native 

liamhorne.com

L2s with custom gas tokens, heard from a few in Denver who picked Arbitrum Orbit because of that reason.

This is an active research area. There are some existing chains out there like fraxtal that use a custom gas token but we want to make sure the upstream version of custom gas token allows for interoperability with chains that use ether for gas payment

Building onchain usernames for everyone ◆ zoma.dev ◆ FID 8050

This is an active research area. There are some existing chains out there like fraxtal that use a custom gas token but we want to make sure the upstream version of custom gas token allows for interoperability with chains that use ether for gas payment

https://github.com/ethereum-optimism/specs/issues/67