Ethereum Protocol Fellowship (EPF) Cohort 7 — Applications open until May 13

FOCIL Breakout #027

2026-01-27 Agenda: #1898 canonical JSON

Transcript

00:08:31
Jihoon:Okay, cool. Okay, hello everyone, welcome to FOCIL Breakout 27. I think today's breakout call will be nice and short, nice and short.
00:08:42
Jihoon:I'd like to share some updates.
00:08:45
Jihoon:It's a bit laggy, is it still laggy for you?
00:08:55
nflaig:Yeah, maybe it's on my end. But it's good. Oh, it's not good, but it's, fine enough to understand you.
00:09:06
Jihoon:then maybe I can go a little bit slower.
00:09:09
Jihoon:So, for today, I'd like to share some updates on the headliner proposal, and the plan forward that I have in my mind.
00:09:19
Jihoon:Yeah, so we are working on the headliner proposal, which is almost finished. We're gonna share it soon.
00:09:28
Jihoon:Assuming that FOCIL makes it to Hegota, I'm gonna write a CL spec for Hegota, because what we have today is a PR that specifies FOCIL on top of Gloas, but what we want is a spec in Hegota, so…
00:09:47
Jihoon:We need to work on that, so…
00:09:50
Jihoon:I can also update other specs as well, and then while people are busy with the PBS and other Glamsterdam EIPs, which I expect
00:10:01
Jihoon:around mid-2026, maybe, we can work on spec tests. So, yeah, this is it from my end. Do we have any questions or anything to discuss?
00:10:33
Jihoon:Or any development updates.
00:10:43
nflaig:So, I guess the question is, when do we plan to rebase FOCIL on EPBS, maybe?
00:10:51
nflaig:I guess it would be after the first definite, maybe? Or do we plan to have it for the indoor op in May?
00:11:01
Jihoon:What do you think? I, I think it…
00:11:04
Jihoon:it would depend on the maturity of a PBS implementation, right? So, it will happen after Glamsterdam anyway, so…
00:11:14
Jihoon:And that means we don't have to rush.
00:11:18
Jihoon:But from your experience, like, then… would it make sense to try… implementing…
00:11:26
Jihoon:fork N plus 1 while you're working on fork N, and then try interrupt between clients.
00:11:46
Jihoon:We didn't have to make a decision today, so we can just see how it goes around, I don't know, mid-March, which I expect.
00:11:55
Jihoon:We can have the first ePBS DevNet by that time, and then we can just check in with other client teams.
00:12:03
Jihoon:How they want to go about this, and then… yeah.
00:12:26
Jihoon:the plan that I have in my mind is, we can just work on spec tests before, we can work on implementation.
00:12:46
Jihoon:Alright, any more questions, or something to discuss?
00:13:03
Jihoon:Otherwise, we can just go ahead and wrap up this call, Ollie, so…
00:13:08
Jihoon:Alright, thank you guys, have a great rest of your day, and see you in Twix!

Chat Logs

00:12:17
nflaig:yeah I feel before we have stable epbs devnet there will not be much going on for focil on implementation side

Summary

4 highlights · 2 action itemsExperimental

fork status and schedule

  • Headliner proposal nearly finished, will be shared soon00:09:27
  • CL spec for Hegotá needed, updating from Gloas PR00:09:47

development updates

  • Spec tests planned while teams work on Glamsterdam EIPs00:10:01
  • FOCIL implementation awaiting stable EPBS devnet before proceeding00:12:17

Decisions

  • FOCIL-EPBS rebase timing deferred until EPBS implementation matures post-Glamsterdam00:11:55

Action Items

  • Jihoon: Complete and share headliner proposal00:09:27
  • Jihoon: Write CL spec for FOCIL on Hegotá00:09:47

Targets

  • Mid-March 2026 - First EPBS DevNet expected, reassess FOCIL rebase00:11:55