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Ethereum All Core Devs Testing Call (ACDT) #99

Ethereum's All Core Devs Testing call number 99 runs Monday, October 5, 2026 at 14:00 UTC, with devnet updates and the Sepolia upgrade on the agenda.

Monday, October 5, 2026 14:00 UTC Ethereum logoEthereum$2,698.09−0.41%
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About this event

Call number 99 of the All Core Devs testing meeting has devnet updates, the Sepolia upgrade and a hardfork scheduled for Tuesday, 6 October 2026 at 13:53:36 UTC on its agenda. The call is on Monday, October 5, 2026 at 14:00 UTC and runs for 60 minutes.

Ethereum developers join the call to discuss testing and related issues on the Ethereum (ETH) protocol.

Key facts

CallAll Core Devs - Testing (ACDT) #99
Time2026-10-05 14:00 UTC
AgendaDevnet updates., Sepolia upgrade., Hardfork scheduled on Tuesday, 6 October 2026 13:53:36 UTC
Duration (minutes)60

What to watch

  1. 1Devnet updates reported during the call
  2. 2Sepolia upgrade progress described on the call
  3. 3Whether the hardfork proceeds on Tuesday, 6 October 2026 at 13:53:36 UTC
ethereum/pm (Ethereum protocol calls)Source: github.com

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Ethereum's All Core Devs Testing call number 99 runs Monday, October 5, 2026 at 14:00 UTC, with devnet updates and the Sepolia upgrade on the agenda.

Devnet updates reported during the call; Sepolia upgrade progress described on the call; Whether the hardfork proceeds on Tuesday, 6 October 2026 at 13:53:36 UTC.

Not yet: the date is ended and can change; this page updates when the source confirms it.