Consensys/teku 25.9.3

on GitHub

This is an optional update for Mainnet.
It is required only for Testnets affected by the upcoming Fulu forks.

Downloads

• Available as 25.9.3 on Dockerhub
• Download the binary distribution:
  • tar.gz (sha256: bb41f874738328d23fb491ababe4cd47885f41a3a89492b6604e201402c21a89)
  • zip (sha256: bd8d61065ac3ab3e17e4ba9bee964d01278760c9fd4badea3df2f6e851be8cb8)

Breaking Changes

N/A

Additions and Improvements

• Added scheduling for Fulu testnets:
  • Holesky fork at epoch 165120 (2025-10-01 08:48:00 UTC)
  • Sepolia fork at epoch 272640 (2025-10-14 07:36:00 UTC)
  • Hoodi fork at epoch 50688 (2025-10-28 18:53:12 UTC)

Bug Fixes

N/A

Upcoming Breaking Changes

• GOSSIP_MAX_SIZE, MAX_CHUNK_SIZE, TTFB_TIMEOUT and RESP_TIMEOUT configuration variables will NOT be supported after the Fusaka Mainnet release. These variables should be removed from any custom network configs.