Zebra 7.0.0-rc.0: NU7 Arrives on Testnet
Zebra 7.0.0-rc.0 brings the NU7 Zcash upgrade to Testnet, cutting block times from 75 to 25 seconds, introducing a network sustainability mechanism, and adding shielded transaction limits. Operators are urged to upgrade before height 4,465,026, with no Mainnet activation set yet.
Radar summary of the original source
A source-linked ecosystem update.
Radar is showing a bounded summary of the original source. Open that source for the complete record and its current status.
- Status
- Published update
- Source
- Zcash Foundation blog
- Source activity
- Confidence
- Source-linked record
Zcash Foundation
Zcash Foundation updates on Zcash infrastructure, research, and community programs.
Radar summary of the original source
Related activity
- Original source
Zcash Foundation Welcomes a New Technical Program Manager
We are pleased to welcome Joan De Arcayne, who joins ZF as a Technical Program Manager. Joan has spent the past several years working in crypto, launching products, running experiments, and working closely with engineering teams. Over that time, AI has become part of almost everything he does, from research and specs to prototyping, testing, and building things himself. Joan is driven by getting close to the engineering and keeping the distance between ideas and working code as short as possible.
- Original source
Zebra 6.4.2 Release
Zebra 6.4.2 is an emergency security release that fixes a high-severity crash vulnerability in Zebra 6.4.0 and 6.4.1, which are recalled. The bug allowed any peer to crash a node with a single malformed v6 transaction. The fix restores a parse-time check, and all operators of affected versions should upgrade immediately.
Zebra 6.4.0 and 6.4.1: Security Fixes, Light Client Serving, and NU7 Preparation
Zebra 6.4.0 is a security release that also adds an experimental lightwalletd-compatible gRPC server, lowers the ZIP 317 conventional fee, speeds up block template delivery for miners, and moves the end-of-support halt earlier in preparation for NU7, which is tentatively scheduled for November 5, 2026. Zebra 6.4.1, released the same day, fixes a potential sync stall near the chain tip.Node operators are strongly encouraged to upgrade straight to version 6.4.1.