From Discord, posted by Kostko
We have released Cipher 2.6.2-testnet and Sapphire 0.3.1-testnet for TESTNET. Any node operators running Cipher and/or Sapphire on TESTNET please update your Cipher/Sapphire ParaTime node configuration to add the new version of the ParaTime and restart your node in preparation of the upcoming TESTNET upgrade. See the updated TESTNET network parameters page for the link to the new ORC: Testnet | Oasis Network Documentation. Thanks!