The incident has been resolved.
We appreciate your patience and understanding.

We have identified a service degradation affecting the Zcash (Testnet) following the hard fork upgrade to v5.10.0.

This issue appears to originate from the chain upgrade. Our team is actively investigating the matter. Reindex with 5.10.0 remained stuck at block 2996479

• https://github.com/zcash/zcash/releases/tag/v5.10.0