diff --git a/Cargo.lock b/Cargo.lock
index 3a643ffd39..5993011561 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1201,7 +1201,7 @@ checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
 
 [[package]]
 name = "hugr"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "bumpalo",
  "criterion",
@@ -1216,7 +1216,7 @@ dependencies = [
 
 [[package]]
 name = "hugr-cli"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1237,7 +1237,7 @@ dependencies = [
 
 [[package]]
 name = "hugr-core"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "anyhow",
  "base64",
@@ -1282,7 +1282,7 @@ dependencies = [
 
 [[package]]
 name = "hugr-llvm"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "anyhow",
  "delegate",
@@ -1301,7 +1301,7 @@ dependencies = [
 
 [[package]]
 name = "hugr-model"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "base64",
  "bumpalo",
@@ -1325,7 +1325,7 @@ dependencies = [
 
 [[package]]
 name = "hugr-passes"
-version = "0.21.0"
+version = "0.22.0"
 dependencies = [
  "ascent",
  "derive_more 1.0.0",
@@ -1344,7 +1344,7 @@ dependencies = [
 
 [[package]]
 name = "hugr-persistent"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "delegate",
  "derive_more 1.0.0",
diff --git a/hugr-cli/CHANGELOG.md b/hugr-cli/CHANGELOG.md
index 5c498a199f..7b68a2e9f1 100644
--- a/hugr-cli/CHANGELOG.md
+++ b/hugr-cli/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+
+## [0.22.0](https://github.com/CQCL/hugr/compare/hugr-cli-v0.21.0...hugr-cli-v0.22.0) - 2025-07-24
+
+### New Features
+
+- include generator metatada in model import and cli validate errors ([#2452](https://github.com/CQCL/hugr/pull/2452))
+# Changelog
+
 
 ## [0.21.0](https://github.com/CQCL/hugr/compare/hugr-cli-v0.20.2...hugr-cli-v0.21.0) - 2025-07-09
 
diff --git a/hugr-cli/Cargo.toml b/hugr-cli/Cargo.toml
index 964967ca79..96a10ed23a 100644
--- a/hugr-cli/Cargo.toml
+++ b/hugr-cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-cli"
-version = "0.21.0"
+version = "0.22.0"
 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 = "0.21.0" }
+hugr = { path = "../hugr", version = "0.22.0" }
 serde_json.workspace = true
 clio = { workspace = true, features = ["clap-parse"] }
 anyhow.workspace = true
diff --git a/hugr-core/CHANGELOG.md b/hugr-core/CHANGELOG.md
index 28aee65198..7b66ff2b0f 100644
--- a/hugr-core/CHANGELOG.md
+++ b/hugr-core/CHANGELOG.md
@@ -1,5 +1,30 @@
 # Changelog
 
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+
+## [0.22.0](https://github.com/CQCL/hugr/compare/hugr-core-v0.21.0...hugr-core-v0.22.0) - 2025-07-24
+
+### Bug Fixes
+
+- Ensure SumTypes have the same json encoding in -rs and -py ([#2465](https://github.com/CQCL/hugr/pull/2465))
+
+### New Features
+
+- Export entrypoint metadata in Python and fix bug in import ([#2434](https://github.com/CQCL/hugr/pull/2434))
+- Names of private functions become `core.title` metadata. ([#2448](https://github.com/CQCL/hugr/pull/2448))
+- [**breaking**] Use binary envelopes for operation lower_func encoding  ([#2447](https://github.com/CQCL/hugr/pull/2447))
+- [**breaking**] Update portgraph dependency to 0.15 ([#2455](https://github.com/CQCL/hugr/pull/2455))
+- Detect and fail on unrecognised envelope flags ([#2453](https://github.com/CQCL/hugr/pull/2453))
+- include generator metatada in model import and cli validate errors ([#2452](https://github.com/CQCL/hugr/pull/2452))
+- [**breaking**] Add `insert_region` to HugrMut ([#2463](https://github.com/CQCL/hugr/pull/2463))
+- Non-region entrypoints in `hugr-model`. ([#2467](https://github.com/CQCL/hugr/pull/2467))
+# Changelog
+
 ## [0.21.0](https://github.com/CQCL/hugr/compare/hugr-core-v0.20.2...hugr-core-v0.21.0) - 2025-07-09
 
 ### Bug Fixes
diff --git a/hugr-core/Cargo.toml b/hugr-core/Cargo.toml
index 4ee6baf4a4..47e58f49b3 100644
--- a/hugr-core/Cargo.toml
+++ b/hugr-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-core"
-version = "0.21.0"
+version = "0.22.0"
 edition = { workspace = true }
 rust-version = { workspace = true }
 
@@ -28,7 +28,7 @@ bench = false
 name = "model"
 
 [dependencies]
-hugr-model = { version = "0.21.0", path = "../hugr-model" }
+hugr-model = { version = "0.22.0", path = "../hugr-model" }
 
 cgmath = { workspace = true, features = ["serde"] }
 delegate = { workspace = true }
diff --git a/hugr-llvm/CHANGELOG.md b/hugr-llvm/CHANGELOG.md
index 936fa57f03..0f4614c75b 100644
--- a/hugr-llvm/CHANGELOG.md
+++ b/hugr-llvm/CHANGELOG.md
@@ -1,4 +1,12 @@
 # Changelog
+
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+# Changelog
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
diff --git a/hugr-llvm/Cargo.toml b/hugr-llvm/Cargo.toml
index dee032ede0..92fc9d9c31 100644
--- a/hugr-llvm/Cargo.toml
+++ b/hugr-llvm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-llvm"
-version = "0.21.0"
+version = "0.22.0"
 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 = "0.21.0" }
+hugr-core = { path = "../hugr-core", version = "0.22.0" }
 anyhow.workspace = true
 itertools.workspace = true
 delegate.workspace = true
diff --git a/hugr-model/CHANGELOG.md b/hugr-model/CHANGELOG.md
index fbfb9a2593..c5b9353421 100644
--- a/hugr-model/CHANGELOG.md
+++ b/hugr-model/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+
+## [0.22.0](https://github.com/CQCL/hugr/compare/hugr-model-v0.21.0...hugr-model-v0.22.0) - 2025-07-24
+
+### New Features
+
+- Names of private functions become `core.title` metadata. ([#2448](https://github.com/CQCL/hugr/pull/2448))
+- include generator metatada in model import and cli validate errors ([#2452](https://github.com/CQCL/hugr/pull/2452))
+- Version number in hugr binary format. ([#2468](https://github.com/CQCL/hugr/pull/2468))
+# Changelog
+
 ## [0.21.0](https://github.com/CQCL/hugr/compare/hugr-model-v0.20.2...hugr-model-v0.21.0) - 2025-07-09
 
 ### Bug Fixes
diff --git a/hugr-model/Cargo.toml b/hugr-model/Cargo.toml
index aca5528904..0b6cb5fc0b 100644
--- a/hugr-model/Cargo.toml
+++ b/hugr-model/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-model"
-version = "0.21.0"
+version = "0.22.0"
 readme = "README.md"
 documentation = "https://docs.rs/hugr-model/"
 description = "Data model for Quantinuum's HUGR intermediate representation"
diff --git a/hugr-passes/CHANGELOG.md b/hugr-passes/CHANGELOG.md
index 08698b8cf4..9b3f2b1e36 100644
--- a/hugr-passes/CHANGELOG.md
+++ b/hugr-passes/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+
+## [0.22.0](https://github.com/CQCL/hugr/compare/hugr-passes-v0.21.0...hugr-passes-v0.22.0) - 2025-07-24
+
+### New Features
+
+- ReplaceTypes allows linearizing inside Op replacements ([#2435](https://github.com/CQCL/hugr/pull/2435))
+- Add pass for DFG inlining ([#2460](https://github.com/CQCL/hugr/pull/2460))
+# Changelog
+
 
 ## [0.21.0](https://github.com/CQCL/hugr/compare/hugr-passes-v0.20.2...hugr-passes-v0.21.0) - 2025-07-09
 
diff --git a/hugr-passes/Cargo.toml b/hugr-passes/Cargo.toml
index bd37426d75..16ab101b44 100644
--- a/hugr-passes/Cargo.toml
+++ b/hugr-passes/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-passes"
-version = "0.21.0"
+version = "0.22.0"
 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 = "0.21.0" }
+hugr-core = { path = "../hugr-core", version = "0.22.0" }
 portgraph = { workspace = true }
 ascent = { version = "0.8.0" }
 derive_more = { workspace = true, features = ["display", "error", "from"] }
diff --git a/hugr-persistent/CHANGELOG.md b/hugr-persistent/CHANGELOG.md
index de98d92c89..fb74ca785b 100644
--- a/hugr-persistent/CHANGELOG.md
+++ b/hugr-persistent/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+
+## [0.2.0](https://github.com/CQCL/hugr/compare/hugr-persistent-v0.1.0...hugr-persistent-v0.2.0) - 2025-07-24
+
+### New Features
+
+- [**breaking**] Update portgraph dependency to 0.15 ([#2455](https://github.com/CQCL/hugr/pull/2455))
+# Changelog
+
 ## 0.1.0 (2025-07-10)
 
 Initial release.
diff --git a/hugr-persistent/Cargo.toml b/hugr-persistent/Cargo.toml
index ff22d43efd..446e4cde5e 100644
--- a/hugr-persistent/Cargo.toml
+++ b/hugr-persistent/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-persistent"
-version = "0.1.0"
+version = "0.2.0"
 edition = { workspace = true }
 rust-version = { workspace = true }
 license = { workspace = true }
@@ -16,7 +16,7 @@ categories = ["compilers"]
 name = "persistent_walker_example"
 
 [dependencies]
-hugr-core = { path = "../hugr-core", version = "0.21.0" }
+hugr-core = { path = "../hugr-core", version = "0.22.0" }
 
 derive_more = { workspace = true, features = ["display", "error", "from"] }
 delegate.workspace = true
diff --git a/hugr-py/Cargo.toml b/hugr-py/Cargo.toml
index 4a4c6f11a4..aeb06c1b59 100644
--- a/hugr-py/Cargo.toml
+++ b/hugr-py/Cargo.toml
@@ -21,6 +21,6 @@ bench = false
 
 [dependencies]
 bumpalo = { workspace = true, features = ["collections"] }
-hugr-model = { version = "0.21.0", path = "../hugr-model", features = ["pyo3"] }
+hugr-model = { version = "0.22.0", path = "../hugr-model", features = ["pyo3"] }
 paste.workspace = true
 pyo3 = { workspace = true, features = ["extension-module", "abi3-py310"] }
diff --git a/hugr/CHANGELOG.md b/hugr/CHANGELOG.md
index 71f1549c8e..a61eb2cf49 100644
--- a/hugr/CHANGELOG.md
+++ b/hugr/CHANGELOG.md
@@ -1,5 +1,32 @@
 # Changelog
 
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [Unreleased]
+
+## [0.22.0](https://github.com/CQCL/hugr/compare/hugr-v0.21.0...hugr-v0.22.0) - 2025-07-24
+
+### Bug Fixes
+
+- Ensure SumTypes have the same json encoding in -rs and -py ([#2465](https://github.com/CQCL/hugr/pull/2465))
+
+### New Features
+
+- ReplaceTypes allows linearizing inside Op replacements ([#2435](https://github.com/CQCL/hugr/pull/2435))
+- Add pass for DFG inlining ([#2460](https://github.com/CQCL/hugr/pull/2460))
+- Export entrypoint metadata in Python and fix bug in import ([#2434](https://github.com/CQCL/hugr/pull/2434))
+- Names of private functions become `core.title` metadata. ([#2448](https://github.com/CQCL/hugr/pull/2448))
+- [**breaking**] Use binary envelopes for operation lower_func encoding  ([#2447](https://github.com/CQCL/hugr/pull/2447))
+- [**breaking**] Update portgraph dependency to 0.15 ([#2455](https://github.com/CQCL/hugr/pull/2455))
+- Detect and fail on unrecognised envelope flags ([#2453](https://github.com/CQCL/hugr/pull/2453))
+- include generator metatada in model import and cli validate errors ([#2452](https://github.com/CQCL/hugr/pull/2452))
+- [**breaking**] Add `insert_region` to HugrMut ([#2463](https://github.com/CQCL/hugr/pull/2463))
+- Non-region entrypoints in `hugr-model`. ([#2467](https://github.com/CQCL/hugr/pull/2467))
+# Changelog
+
 ## [0.21.0](https://github.com/CQCL/hugr/compare/hugr-v0.20.2...hugr-v0.21.0) - 2025-07-09
 
 
diff --git a/hugr/Cargo.toml b/hugr/Cargo.toml
index 80c285a6c0..445e768d8e 100644
--- a/hugr/Cargo.toml
+++ b/hugr/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr"
-version = "0.21.0"
+version = "0.22.0"
 edition = { workspace = true }
 rust-version = { workspace = true }
 
@@ -31,11 +31,11 @@ zstd = ["hugr-core/zstd"]
 persistent_unstable = ["hugr-persistent"]
 
 [dependencies]
-hugr-model = { path = "../hugr-model", version = "0.21.0" }
-hugr-core = { path = "../hugr-core", version = "0.21.0" }
-hugr-passes = { path = "../hugr-passes", version = "0.21.0" }
-hugr-llvm = { path = "../hugr-llvm", version = "0.21.0", optional = true }
-hugr-persistent = { path = "../hugr-persistent", version = "0.1.0", optional = true }
+hugr-model = { path = "../hugr-model", version = "0.22.0" }
+hugr-core = { path = "../hugr-core", version = "0.22.0" }
+hugr-passes = { path = "../hugr-passes", version = "0.22.0" }
+hugr-llvm = { path = "../hugr-llvm", version = "0.22.0", optional = true }
+hugr-persistent = { path = "../hugr-persistent", version = "0.2.0", optional = true }
 
 [dev-dependencies]
 lazy_static = { workspace = true }