Zebra 6.3.0 is out, a recommended security release:
🔒 Four advisories fixed in block sync and peer scoring
🚫 Hardened inbound ban enforcement
🛠️ New getdeprecationinfo RPC
🌐 New default DNS seeders
📊 More granular network metrics
All operators are encouraged to upgrade.
Zebra 6.2.3 is out 🦓
An optional release focused on peer connectivity hardening - recommended if you've seen peer set issues, or want to stay ahead of them.
🔌 Outbound slots no longer fill with non-serving peers during sync
🔄 Dropped connections now replaced proactively.
Zebra 6.2.1 is out 🦓
🔐Two security hardening improvements (chain synchronization + mempool verification)
No resync needed. All operators encouraged to upgrade 👇
Zebra 5.2.0 is live! 🦓
This release is all about robustness:
🪟 Local rollback window raised 10x (99 → 1000 blocks) to better defend against sustained consensus splits
⚠️ Nodes on v5.1.1 or earlier hit end-of-support ~July 25, ahead of NU7.
🚨 Zebra 6.0.0-rc.0 is out!
🌱 NU6.3 "Ironwood" Testnet support (new shielded pool + v6 tx format)
🔐 Multiple security and bug fixes
📦 Reproducible Docker images and signed pre-built binaries for Linux via cargo binstall
🗄️ State DB upgraded in place - no resync needed
🦓 Zebra-mined blocks now tagged with a 🦓 in the coinbase input
Testnet operators: please test ahead of 6.0.0 final 👇
🚨ZCASH RELEASES ZEBRA 6.0.0 WITH NEW MAINNET UPGRADE SUPPORT!
Zebra 6.0.0 now fully supports the upcoming Ironwood network upgrade, set for July 28.
The update prepares nodes for enhanced shielded transactions and fixes ahead of the activation.