v2.7.0
Minor Changes 9f2aa1f: Move the Zcash crates to their NU7 pre-releases. A transaction whose target block is past NU7 activation is built under the ZIP 259 branch id (0x77190AD9), and the expiry cap now sees NU7 ahead on testnet. These releases carry no NU7 mainnet activation height yet, so mainnet transactions keep the NU6.3 branch id until a release that sets it is pinned. The PCZT encoding is unchanged.
Radar summary of the original source