1## 0.6.0 (TBD)
 2
 3## 0.5.0 (2023-05-26)
 4
 5* Implemented `TieredSmt` (#152, #153).
 6* Implemented ability to extract a subset of a `MerkleStore` (#151).
 7* Cleaned up `SimpleSmt` interface (#149).
 8* Decoupled hashing and padding of peaks in `Mmr` (#148).
 9* Added `inner_nodes()` to `MerkleStore` (#146).
10
11## 0.4.0 (2023-04-21)
12
13- Exported `MmrProof` from the crate (#137).
14- Allowed merging of leaves in `MerkleStore` (#138).
15- [BREAKING] Refactored how existing data structures are added to `MerkleStore` (#139).
16
17## 0.3.0 (2023-04-08)
18
19- Added `depth` parameter to SMT constructors in `MerkleStore` (#115).
20- Optimized MMR peak hashing for Miden VM (#120).
21- Added `get_leaf_depth` method to `MerkleStore` (#119).
22- Added inner node iterators to `MerkleTree`, `SimpleSmt`, and `Mmr` (#117, #118, #121).
23
24## 0.2.0 (2023-03-24)
25
26- Implemented `Mmr` and related structs (#67).
27- Implemented `MerkleStore` (#93, #94, #95, #107 #112).
28- Added benchmarks for `MerkleStore` vs. other structs (#97).
29- Added Merkle path containers (#99).
30- Fixed depth handling in `MerklePathSet` (#110).
31- Updated Winterfell dependency to v0.6.
32
33## 0.1.4 (2023-02-22)
34
35- Re-export winter-crypto Hasher, Digest & ElementHasher (#72)
36
37## 0.1.3 (2023-02-20)
38
39- Updated Winterfell dependency to v0.5.1 (#68)
40
41## 0.1.2 (2023-02-17)
42
43- Fixed `Rpo256::hash` pad that was panicking on input (#44)
44- Added `MerklePath` wrapper to encapsulate Merkle opening verification and root computation (#53)
45- Added `NodeIndex` Merkle wrapper to encapsulate Merkle tree traversal and mappings (#54)
46
47## 0.1.1 (2023-02-06)
48
49- Introduced `merge_in_domain` for the RPO hash function, to allow using a specified domain value in the second capacity register when hashing two digests together.
50- Added a simple sparse Merkle tree implementation.
51- Added re-exports of Winterfell RandomCoin and RandomCoinError.
52
53## 0.1.0 (2022-12-02)
54
55- Initial release on crates.io containing the cryptographic primitives used in Miden VM and the Miden Rollup.
56- Hash module with the BLAKE3 and Rescue Prime Optimized hash functions.
57    - BLAKE3 is implemented with 256-bit, 192-bit, or 160-bit output.
58    - RPO is implemented with 256-bit output.
59- Merkle module, with a set of data structures related to Merkle trees, implemented using the RPO hash function.