Release orchard version 0.9.0

CHANGELOG.md

@@ -6,12 +6,18 @@ and this project adheres to Rust's notion of
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.9.0] - 2024-08-12
+
 ### Added
 - `orchard::keys::SpendValidatingKey::{from_bytes, to_bytes}` behind the
   `unstable-frost` feature flag. These are temporary APIs exposed for development
   purposes, and will be replaced by type-safe FROST APIs once ZIP 312 key
   generation is specified (https://github.com/zcash/zips/pull/883).
 
+### Changed
+- Migrated to `incrementalmerkletree 0.6`, `bridgetree 0.5`.
+
 ## [0.8.0] - 2024-03-25
 
 ### Added

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "orchard"
-version = "0.8.0"
+version = "0.9.0"
 authors = [
     "Sean Bowe <sean@electriccoin.co>",
     "Jack Grigg <jack@electriccoin.co>",
@@ -42,7 +42,7 @@ nonempty = "0.7"
 serde = { version = "1.0", features = ["derive"] }
 subtle = "2.3"
 zcash_note_encryption = "0.4"
-incrementalmerkletree = "0.5"
+incrementalmerkletree = "0.6"
 zcash_spec = "0.1"
 zip32 = "0.1"
 visibility = "0.1.0"
@@ -55,13 +55,13 @@ image = { version = "0.24", optional = true }
 plotters = { version = "0.3.0", optional = true }
 
 [dev-dependencies]
-bridgetree = "0.4"
+bridgetree = "0.5"
 criterion = "0.4" # 0.5 depends on clap 4 which has MSRV 1.70
 halo2_gadgets = { version = "0.3", features = ["test-dependencies"] }
 hex = "0.4"
 proptest = "1.0.0"
 zcash_note_encryption = { version = "0.4", features = ["pre-zip-212"] }
-incrementalmerkletree = { version = "0.5", features = ["test-dependencies"] }
+incrementalmerkletree = { version = "0.6", features = ["test-dependencies"] }
 
 [target.'cfg(unix)'.dev-dependencies]
 inferno = { version = "0.11", default-features = false, features = ["multithreaded", "nameattr"] }

src/constants.rs

@@ -3,7 +3,7 @@ pub mod fixed_bases;
 pub mod sinsemilla;
 pub mod util;
 
-pub use fixed_bases::{NullifierK, OrchardFixedBases, OrchardFixedBasesFull, ValueCommitV, H};
+pub use fixed_bases::{NullifierK, OrchardFixedBases, OrchardFixedBasesFull, ValueCommitV};
 pub use sinsemilla::{OrchardCommitDomains, OrchardHashDomains};
 
 /// $\mathsf{MerkleDepth^{Orchard}}$