1## 0.8.1 (TBD)
 2
 3## 0.8.0 (2024-02-14)
 4
 5* Implemented the `PartialMmr` data structure (#195).
 6* Implemented RPX hash function (#201).
 7* Added `FeltRng` and `RpoRandomCoin` (#237).
 8* Accelerated RPO/RPX hash functions using AVX512 instructions (#234).
 9* Added `inner_nodes()` method to `PartialMmr` (#238).
10* Improved `PartialMmr::apply_delta()` (#242).
11* Refactored `SimpleSmt` struct (#245).
12* Replaced `TieredSmt` struct with `Smt` struct (#254, #277).
13* Updated Winterfell dependency to v0.8 (#275).
14
15## 0.7.1 (2023-10-10)
16
17* Fixed RPO Falcon signature build on Windows.
18
19## 0.7.0 (2023-10-05)
20
21* Replaced `MerklePathSet` with `PartialMerkleTree` (#165).
22* Implemented clearing of nodes in `TieredSmt` (#173).
23* Added ability to generate inclusion proofs for `TieredSmt` (#174).
24* Implemented Falcon DSA (#179).
25* Added conditional `serde`` support for various structs (#180).
26* Implemented benchmarking for `TieredSmt` (#182).
27* Added more leaf traversal methods for `MerkleStore` (#185).
28* Added SVE acceleration for RPO hash function (#189).
29
30## 0.6.0 (2023-06-25)
31
32* [BREAKING] Added support for recording capabilities for `MerkleStore` (#162).
33* [BREAKING] Refactored Merkle struct APIs to use `RpoDigest` instead of `Word` (#157).
34* Added initial implementation of `PartialMerkleTree` (#156).
35
36## 0.5.0 (2023-05-26)
37
38* Implemented `TieredSmt` (#152, #153).
39* Implemented ability to extract a subset of a `MerkleStore` (#151).
40* Cleaned up `SimpleSmt` interface (#149).
41* Decoupled hashing and padding of peaks in `Mmr` (#148).
42* Added `inner_nodes()` to `MerkleStore` (#146).
43
44## 0.4.0 (2023-04-21)
45
46- Exported `MmrProof` from the crate (#137).
47- Allowed merging of leaves in `MerkleStore` (#138).
48- [BREAKING] Refactored how existing data structures are added to `MerkleStore` (#139).
49
50## 0.3.0 (2023-04-08)
51
52- Added `depth` parameter to SMT constructors in `MerkleStore` (#115).
53- Optimized MMR peak hashing for Miden VM (#120).
54- Added `get_leaf_depth` method to `MerkleStore` (#119).
55- Added inner node iterators to `MerkleTree`, `SimpleSmt`, and `Mmr` (#117, #118, #121).
56
57## 0.2.0 (2023-03-24)
58
59- Implemented `Mmr` and related structs (#67).
60- Implemented `MerkleStore` (#93, #94, #95, #107 #112).
61- Added benchmarks for `MerkleStore` vs. other structs (#97).
62- Added Merkle path containers (#99).
63- Fixed depth handling in `MerklePathSet` (#110).
64- Updated Winterfell dependency to v0.6.
65
66## 0.1.4 (2023-02-22)
67
68- Re-export winter-crypto Hasher, Digest & ElementHasher (#72)
69
70## 0.1.3 (2023-02-20)
71
72- Updated Winterfell dependency to v0.5.1 (#68)
73
74## 0.1.2 (2023-02-17)
75
76- Fixed `Rpo256::hash` pad that was panicking on input (#44)
77- Added `MerklePath` wrapper to encapsulate Merkle opening verification and root computation (#53)
78- Added `NodeIndex` Merkle wrapper to encapsulate Merkle tree traversal and mappings (#54)
79
80## 0.1.1 (2023-02-06)
81
82- 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.
83- Added a simple sparse Merkle tree implementation.
84- Added re-exports of Winterfell RandomCoin and RandomCoinError.
85
86## 0.1.0 (2022-12-02)
87
88- Initial release on crates.io containing the cryptographic primitives used in Miden VM and the Miden Rollup.
89- Hash module with the BLAKE3 and Rescue Prime Optimized hash functions.
90    - BLAKE3 is implemented with 256-bit, 192-bit, or 160-bit output.
91    - RPO is implemented with 256-bit output.
92- Merkle module, with a set of data structures related to Merkle trees, implemented using the RPO hash function.