AnalyticHedera Sets v0.67 Testnet Window as HIP 551 Goes Live and HBAR Unl…TokenaltcoinOctober 20, 2025 by TokenaltcoinOctober 20, 202508 Hedera scheduled a testnet upgrade to v0.67 for Wednesday, Oct 22 at 17:00 UTC, with an estimated 40-minute window. The status page flags expected service...