chore: release v0.20.1 (#2273)

## 🤖 New release

* `hugr-model`: 0.20.0 -> 0.20.1
* `hugr-core`: 0.20.0 -> 0.20.1 (✓ API compatible changes)
* `hugr-llvm`: 0.20.0 -> 0.20.1 (✓ API compatible changes)
* `hugr-passes`: 0.20.0 -> 0.20.1 (✓ API compatible changes)
* `hugr`: 0.20.0 -> 0.20.1 (✓ API compatible changes)
* `hugr-cli`: 0.20.0 -> 0.20.1 (✓ API compatible changes)

<details><summary><i><b>Changelog</b></i></summary><p>

## `hugr-model`

<blockquote>

##
[0.20.0](hugr-model-v0.19.0...hugr-model-v0.20.0)
- 2025-05-14

### New Features

- [**breaking**] Mark all Error enums as non_exhaustive
([#2056](#2056))
- [**breaking**] Bump MSRV to 1.85
([#2136](#2136))
- Export and import entrypoints via metadata in `hugr-model`.
([#2172](#2172))
- Define text-model envelope formats
([#2188](#2188))
- Import CFG regions without adding an entry block.
([#2200](#2200))
- Symbol applications can leave out prefixes of wildcards.
([#2201](#2201))
</blockquote>

## `hugr-core`

<blockquote>

##
[0.20.1](hugr-core-v0.20.0...hugr-core-v0.20.1)
- 2025-06-03

### Bug Fixes

- check well-definedness of DFG wires in validate
([#2221](#2221))
- Check for order edges in SiblingSubgraph::from_node
([#2223](#2223))
- Make SumType::Unit(N) equal to SumType::General([(); N])
([#2250](#2250))
- canonicalize_nodes sometimes mangles the entrypoint
([#2263](#2263))

### New Features

- Add PersistentHugr ([#2080](#2080))
- Add `Type::used_extensions`
([#2224](#2224))
- Add boundary edge traversal in SimpleReplacement
([#2231](#2231))
- Add signature map function for DFGs
([#2239](#2239))
- PersistentHugr implements HugrView
([#2202](#2202))
- PersistentHugr Walker API
([#2168](#2168))
- Hugr::store_with_exts and auto-include in serde_as
([#2280](#2280))

### Refactor

- tidies/readability improvements to PersistentHugr
([#2251](#2251))
- Deprecate ValidationError::ExtensionError
([#2281](#2281))

### Testing

- Ignore miri errors in tests involving `assert_snapshot`
([#2261](#2261))
</blockquote>

## `hugr-llvm`

<blockquote>

##
[0.20.1](hugr-llvm-v0.20.0...hugr-llvm-v0.20.1)
- 2025-06-03

### Bug Fixes

- Make SumType::Unit(N) equal to SumType::General([(); N])
([#2250](#2250))

### Testing

- Add exec tests for widen op
([#2043](#2043))
</blockquote>

## `hugr-passes`

<blockquote>

##
[0.20.1](hugr-passes-v0.20.0...hugr-passes-v0.20.1)
- 2025-06-03

### Bug Fixes

- Dataflow analysis produces unsound results on Hugrs with entrypoint
([#2255](#2255))

### New Features

- LocalizeEdges pass ([#2237](#2237))
</blockquote>

## `hugr`

<blockquote>

##
[0.20.1](hugr-v0.20.0...hugr-v0.20.1)
- 2025-06-03

### Bug Fixes

- Dataflow analysis produces unsound results on Hugrs with entrypoint
([#2255](#2255))
- check well-definedness of DFG wires in validate
([#2221](#2221))
- Check for order edges in SiblingSubgraph::from_node
([#2223](#2223))
- Make SumType::Unit(N) equal to SumType::General([(); N])
([#2250](#2250))
- canonicalize_nodes sometimes mangles the entrypoint
([#2263](#2263))

### New Features

- LocalizeEdges pass ([#2237](#2237))
- Add PersistentHugr ([#2080](#2080))
- Add `Type::used_extensions`
([#2224](#2224))
- Add boundary edge traversal in SimpleReplacement
([#2231](#2231))
- Add signature map function for DFGs
([#2239](#2239))
- PersistentHugr implements HugrView
([#2202](#2202))
- PersistentHugr Walker API
([#2168](#2168))
- Hugr::store_with_exts and auto-include in serde_as
([#2280](#2280))

### Refactor

- tidies/readability improvements to PersistentHugr
([#2251](#2251))
- Deprecate ValidationError::ExtensionError
([#2281](#2281))

### Testing

- Ignore miri errors in tests involving `assert_snapshot`
([#2261](#2261))
</blockquote>

## `hugr-cli`

<blockquote>

##
[0.20.1](hugr-cli-v0.20.0...hugr-cli-v0.20.1)
- 2025-06-03

### New Features

- support external subcommands via PATH
([#1343](#1343))
([#2278](#2278))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/release-plz/release-plz/).

Author: hugrbot

Cargo.lock

@@ -1,6 +1,12 @@
 # Changelog
 
 
+## [0.20.1](https://github.com/CQCL/hugr/compare/hugr-cli-v0.20.0...hugr-cli-v0.20.1) - 2025-06-03
+
+### New Features
+
+- support external subcommands via PATH ([#1343](https://github.com/CQCL/hugr/pull/1343)) ([#2278](https://github.com/CQCL/hugr/pull/2278))
+
 ## [0.20.0](https://github.com/CQCL/hugr/compare/hugr-cli-v0.15.4...hugr-cli-v0.20.0) - 2025-05-14
 
 ### New Features

hugr-cli/CHANGELOG.md

@@ -1,6 +1,6 @@
 [package]
 name = "hugr-cli"
-version = "0.20.0"
+version = "0.20.1"
 edition = { workspace = true }
 rust-version = { workspace = true }
 license = { workspace = true }
@@ -19,7 +19,7 @@ bench = false
 clap = { workspace = true, features = ["derive", "cargo"] }
 clap-verbosity-flag.workspace = true
 derive_more = { workspace = true, features = ["display", "error", "from"] }
-hugr = { path = "../hugr", version = "0.20.0" }
+hugr = { path = "../hugr", version = "0.20.1" }
 serde_json.workspace = true
 clio = { workspace = true, features = ["clap-parse"] }
 

hugr-cli/Cargo.toml

@@ -1,5 +1,33 @@
 # Changelog
 
+## [0.20.1](https://github.com/CQCL/hugr/compare/hugr-core-v0.20.0...hugr-core-v0.20.1) - 2025-06-03
+
+### Bug Fixes
+
+- check well-definedness of DFG wires in validate ([#2221](https://github.com/CQCL/hugr/pull/2221))
+- Check for order edges in SiblingSubgraph::from_node ([#2223](https://github.com/CQCL/hugr/pull/2223))
+- Make SumType::Unit(N) equal to SumType::General([(); N]) ([#2250](https://github.com/CQCL/hugr/pull/2250))
+- canonicalize_nodes sometimes mangles the entrypoint ([#2263](https://github.com/CQCL/hugr/pull/2263))
+
+### New Features
+
+- Add PersistentHugr ([#2080](https://github.com/CQCL/hugr/pull/2080))
+- Add `Type::used_extensions` ([#2224](https://github.com/CQCL/hugr/pull/2224))
+- Add boundary edge traversal in SimpleReplacement ([#2231](https://github.com/CQCL/hugr/pull/2231))
+- Add signature map function for DFGs ([#2239](https://github.com/CQCL/hugr/pull/2239))
+- PersistentHugr implements HugrView ([#2202](https://github.com/CQCL/hugr/pull/2202))
+- PersistentHugr Walker API ([#2168](https://github.com/CQCL/hugr/pull/2168))
+- Hugr::store_with_exts and auto-include in serde_as ([#2280](https://github.com/CQCL/hugr/pull/2280))
+
+### Refactor
+
+- tidies/readability improvements to PersistentHugr ([#2251](https://github.com/CQCL/hugr/pull/2251))
+- Deprecate ValidationError::ExtensionError ([#2281](https://github.com/CQCL/hugr/pull/2281))
+
+### Testing
+
+- Ignore miri errors in tests involving `assert_snapshot` ([#2261](https://github.com/CQCL/hugr/pull/2261))
+
 ## [0.20.0](https://github.com/CQCL/hugr/compare/hugr-core-v0.15.4...hugr-core-v0.20.0) - 2025-05-14
 
 ### Bug Fixes

hugr-core/CHANGELOG.md

@@ -1,6 +1,6 @@
 [package]
 name = "hugr-core"
-version = "0.20.0"
+version = "0.20.1"
 edition = { workspace = true }
 rust-version = { workspace = true }
 
@@ -30,7 +30,7 @@ name = "model"
 name = "persistent_walker_example"
 
 [dependencies]
-hugr-model = { version = "0.20.0", path = "../hugr-model" }
+hugr-model = { version = "0.20.1", path = "../hugr-model" }
 
 cgmath = { workspace = true, features = ["serde"] }
 delegate = { workspace = true }

hugr-core/Cargo.toml

@@ -5,6 +5,16 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [0.20.1](https://github.com/CQCL/hugr/compare/hugr-llvm-v0.20.0...hugr-llvm-v0.20.1) - 2025-06-03
+
+### Bug Fixes
+
+- Make SumType::Unit(N) equal to SumType::General([(); N]) ([#2250](https://github.com/CQCL/hugr/pull/2250))
+
+### Testing
+
+- Add exec tests for widen op ([#2043](https://github.com/CQCL/hugr/pull/2043))
+
 ## [0.20.0](https://github.com/CQCL/hugr/compare/hugr-llvm-v0.15.4...hugr-llvm-v0.20.0) - 2025-05-14
 
 ### Bug Fixes

hugr-llvm/CHANGELOG.md

@@ -1,6 +1,6 @@
 [package]
 name = "hugr-llvm"
-version = "0.20.0"
+version = "0.20.1"
 description = "A general and extensible crate for lowering HUGRs into LLVM IR"
 
 edition.workspace = true
@@ -26,7 +26,7 @@ workspace = true
 
 [dependencies]
 inkwell = { version = "0.6.0", default-features = false }
-hugr-core = { path = "../hugr-core", version = "0.20.0" }
+hugr-core = { path = "../hugr-core", version = "0.20.1" }
 anyhow = "1.0.98"
 itertools.workspace = true
 delegate.workspace = true

hugr-llvm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "hugr-model"
-version = "0.20.0"
+version = "0.20.1"
 readme = "README.md"
 documentation = "https://docs.rs/hugr-model/"
 description = "Data model for Quantinuum's HUGR intermediate representation"

hugr-model/Cargo.toml

@@ -1,6 +1,16 @@
 # Changelog
 
 
+## [0.20.1](https://github.com/CQCL/hugr/compare/hugr-passes-v0.20.0...hugr-passes-v0.20.1) - 2025-06-03
+
+### Bug Fixes
+
+- Dataflow analysis produces unsound results on Hugrs with entrypoint ([#2255](https://github.com/CQCL/hugr/pull/2255))
+
+### New Features
+
+- LocalizeEdges pass ([#2237](https://github.com/CQCL/hugr/pull/2237))
+
 ## [0.20.0](https://github.com/CQCL/hugr/compare/hugr-passes-v0.15.4...hugr-passes-v0.20.0) - 2025-05-14
 
 ### New Features

hugr-passes/CHANGELOG.md

@@ -1,6 +1,6 @@
 [package]
 name = "hugr-passes"
-version = "0.20.0"
+version = "0.20.1"
 edition = { workspace = true }
 rust-version = { workspace = true }
 license = { workspace = true }
@@ -19,7 +19,7 @@ workspace = true
 bench = false
 
 [dependencies]
-hugr-core = { path = "../hugr-core", version = "0.20.0" }
+hugr-core = { path = "../hugr-core", version = "0.20.1" }
 portgraph = { workspace = true }
 ascent = { version = "0.8.0" }
 derive_more = { workspace = true, features = ["display", "error", "from"] }