# Release Notes

### Version 0.9.0
1. use `verify_transaction_inclusion_v2` with coinbase merkle proof.

### Version 0.8.0
1. support BTC refund flow.
2. remove lock time verification.
3. fix `safe_mint`.
4. add unlimited pending sign txs whitelist.

### Version 0.7.5
1. add trusted relayer.

### Version 0.7.4
1. add shielded TX support (Zcash).

### Version 0.7.3
1. activate NU6.1 on Zcash mainnet.

### Version 0.7.2
1. fix `utxo_id` injection in nested JSON.

### Version 0.7.1
1. improve `utxo_id` injection.

### Version 0.7.0
1. implement safe deposit.
2. fix sequence for RBF.

### Version 0.6.0
1. add Zcash support.

### Version 0.5.1
1. fix release repo.

### Version 0.5.0
1. fix audit recommendation.

### Version 0.4.0
1. fix public_key function.
2. add post_action_msg_templates

### Version 0.3.1
1. update validation for user's actual received withdrawal amount.

### Version 0.3.0
1. base line