Why
The only verifiable fact in this news is the six-team confirmation. Everything downstream of it — the mainnet timing, the throughput multiple — is conditional, and unusually, the minutes say so themselves. A date being attached and a date being decided are different states, and this is the rare case where the primary source records the difference explicitly. That is what makes the item worth a card: not the schedule, but a clean specimen of how a qualifier gets lost.
The loss has a predictable shape. A testnet slot is precise to the second, which makes it feel authoritative; the deferral clause is a sentence of prose, which does not. Precision travels and qualification does not, so a Sepolia timestamp becomes a mainnet expectation two hops downstream, and the mainnet figures now circulating do not reconcile with one another — which is the tell.
The substance underneath is real and touches this project directly. ePBS (EIP-7732) proposes moving block building inside the protocol, and this catalogue already has a card standing on the outside version of that market: pbs submits bundles as a searcher and watches mev-boost relay auctions. If 7732 lands, that card's subject stops being an out-of-protocol arrangement and becomes part of consensus. BAL (EIP-7928) opens parallel execution, and the two together are what the roughly threefold L1 throughput claim rests on. Read next to quick-slots-10s and l1-data-pricing-dimensions, which change the same substrate along the other two axes.
How it works
The status column that reporting leaves out
| Claim | Status in the primary source | How it travels |
|---|---|---|
| Sepolia fork at 2026-09-28 14:44:48 UTC | Proposed on the call, confirmed by six client teams without dissent | Verbatim — precision survives intact |
| That schedule is settled | Explicitly deferred to the next call | Dropped in the first retelling |
| Mainnet date | Does not exist | Invented downstream; circulating versions disagree |
| About 3x L1 throughput | Conditional on ePBS and BAL both shipping | Repeated as a property of the fork |
| 200M gas target | A final devnet target | Repeated as a mainnet number |
The rule this produces
Record the status, not the number. Every date in a protocol timeline belongs in one of three states — confirmed by named parties, deferred, or circulating without a primary source — and a timeline that only carries numbers has thrown away the one column that decides whether to plan against it. The 9/28 Sepolia slot, the 8/27 Hegotá PFI cutoff and the 9/10 preference-list deadline are three different states of certainty sitting on one line.
Why it is worth doing for a project, not just for reading
Any roadmap that says after the next fork is inheriting the weakest of these states without labelling it. Writing the status column once costs an afternoon and permanently changes what a dependency on an upstream schedule means — and the 200M gas figure is the specific one to watch, because a devnet target repeated as a mainnet number is exactly the shape of the error the table above is built to catch.
Where the date's shape comes from — ePBS buys time, BAL buys partition
The card above is about provenance: a Sepolia slot of 2026-09-28 14:44:48 UTC, confirmed by six client teams without dissent, in minutes that record the decision as deferred to the next call. The second half is why the schedule is shaped this way, and it is a dependency chain rather than a wish list.
- ePBS separates the payload from the beacon block. Execution validity no longer has to be established inside the attestation deadline — a proposer commits to a bid and the payload is checked in a later slot. The scarce resource it releases is wall-clock inside the slot.
- Block-level access lists publish what a block touches before it runs. A node can prefetch state and execute disjoint transactions concurrently. The scarce resource it releases is serial dependency.
They are not two features on one list. They relieve the two different constraints that jointly set how much work fits in a slot, which is why anything that wants more work per slot tends to need both.
The dependency claim is the part to verify at source, not repeat. The reading that EIP-8025 rests on both of these is exactly the kind of statement this card exists to be suspicious of — a plausible relationship, circulating without anyone citing the text. Open the EIP and check whether the dependency is stated there or inferred by the person who wrote the summary. Applying the card's own rule to the card's own sources is the whole point.
What the two levers do give you for free is a test for any mainnet date you see quoted: a mainnet slot is only credible once both levers have a testnet fork behind them, because they are the two that change block production timing. A mainnet number circulating before that has skipped a step, whatever its source.
Where it lands in Jayverse
- Devnet: keep a status column next to every fork date it tracks. Since Devnet forks Sepolia, log whether an upstream fork date is confirmed by named client teams, deferred, or just circulating, so a devnet sync never gets scheduled off an invented mainnet date.
- Bridge: verify dependency claims at the EIP text, not the summary. Before assuming an L1 change the relayer depends on requires two EIPs together, check whether that dependency is stated in the EIPs themselves or just inferred by whoever summarized them.
- gitboard: link the primary source behind any "next target" note. When gitboard records "Devnet next syncs to fork X," attach the client-team minutes it was confirmed in, so a stale assumption is traceable later instead of silently repeated.
Key expressions
| Expression | 뜻 · 쓰이는 자리 |
|---|---|
| without dissent | 반대 없이, 이의 없이 · 공식 회의에서 만장일치로 확정됐음을 말할 때 · "confirmed by six client teams without dissent" |
| deferred to | (결정이) ~로 미뤄지다 · 안건 처리를 다음 회차로 넘길 때 · "the decision as deferred to the next call" |
| travels | (정보·수치가) 그대로 퍼져나가다 · 정확한 숫자는 쉽게 퍼지지만 단서는 사라진다는 비유 · "Precision travels and qualification does not" |
| two hops downstream | (전달 과정에서) 두 단계를 거쳐 · 원문에서 멀어질수록 왜곡된다는 맥락 · "becomes a mainnet expectation two hops downstream" |
| the tell | (숨길 수 없이) 드러나는 단서·징후 · 포커 용어, 모순이 진실을 드러낼 때 · "which is the tell" |
| rests on | ~에 근거하다, ~에 달려있다 · 주장이 특정 전제에 의존함을 말할 때 · "the roughly threefold L1 throughput claim rests on" |
| buys time | 시간을 벌다 · 기술적 변경이 당장의 제약을 늦춰준다는 뜻 · "ePBS buys time" |
| skipped a step | (검증) 단계를 건너뛰다 · 근거 없이 성급히 결론에 도달했음을 지적할 때 · "has skipped a step, whatever its source" |
| inheriting | (검증 없이 그대로) 물려받다 · 상위 일정의 불확실성을 떠안는다는 뜻 · "is inheriting the weakest of these states" |
| ACD | 이더리움 올코어개발자 회의(All Core Devs) · 클라이언트 팀들이 프로토콜 일정을 논의·확정하는 정기 콜, 이 카드의 1차 출처. "Open the 2026-08-20 ACD minutes" |
| PFI | 포크 후보 기능 확정 마감(Protocol Feature Inclusion 성격) · 어떤 EIP가 다음 포크에 포함될지 정하는 클라이언트 팀 일정상의 마감일. "the 8/27 Hegotá PFI cutoff" |
| BAL | 블록 접근 목록(Block Access List, EIP-7928) · 블록이 건드릴 상태를 미리 공개해 병렬 실행을 가능케 하는 설계. "BAL (EIP-7928) opens parallel execution" |
| ePBS | 온체인화된 제안자-빌더 분리(enshrined Proposer-Builder Separation, EIP-7732) · 블록 생성을 프로토콜 안으로 들여오는 설계 변경. "ePBS (EIP-7732) proposes moving block building" |