diff --git a/Cargo.toml b/Cargo.toml
index 6902f5b7..75af64a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@
 [workspace.package]
 authors = ["avhz <RustQuantContact@gmail.com>"]
 description = "A Rust library for quantitative finance."
-version = "0.2.12"
+version = "0.3.0"
 edition = "2021"
 readme = "README.md"
 repository = "https://github.com/avhz/RustQuant"
@@ -64,19 +64,19 @@ rustdoc-args = ["--html-in-header", "katex.html", "--cfg", "docsrs"]
 
 [workspace.dependencies]
 ## RustQuant Crates
-RustQuant_autodiff = { version = "0.2.12", path = "crates/RustQuant_autodiff" }
-RustQuant_cashflows = { version = "0.2.12", path = "crates/RustQuant_cashflows" }
-RustQuant_data = { version = "0.2.12", path = "crates/RustQuant_data" }
-RustQuant_error = { version = "0.2.12", path = "crates/RustQuant_error" }
-RustQuant_instruments = { version = "0.2.12", path = "crates/RustQuant_instruments" }
-RustQuant_iso = { version = "0.2.12", path = "crates/RustQuant_iso" }
-RustQuant_math = { version = "0.2.12", path = "crates/RustQuant_math" }
-RustQuant_ml = { version = "0.2.12", path = "crates/RustQuant_ml" }
-RustQuant_portfolios = { version = "0.2.12", path = "crates/RustQuant_portfolios" }
-RustQuant_stochastics = { version = "0.2.12", path = "crates/RustQuant_stochastics" }
-RustQuant_time = { version = "0.2.12", path = "crates/RustQuant_time" }
-RustQuant_trading = { version = "0.2.12", path = "crates/RustQuant_trading" }
-RustQuant_utils = { version = "0.2.12", path = "crates/RustQuant_utils" }
+RustQuant_autodiff = { version = "0.3.0", path = "crates/RustQuant_autodiff" }
+RustQuant_cashflows = { version = "0.3.0", path = "crates/RustQuant_cashflows" }
+RustQuant_data = { version = "0.3.0", path = "crates/RustQuant_data" }
+RustQuant_error = { version = "0.3.0", path = "crates/RustQuant_error" }
+RustQuant_instruments = { version = "0.3.0", path = "crates/RustQuant_instruments" }
+RustQuant_iso = { version = "0.3.0", path = "crates/RustQuant_iso" }
+RustQuant_math = { version = "0.3.0", path = "crates/RustQuant_math" }
+RustQuant_ml = { version = "0.3.0", path = "crates/RustQuant_ml" }
+RustQuant_portfolios = { version = "0.3.0", path = "crates/RustQuant_portfolios" }
+RustQuant_stochastics = { version = "0.3.0", path = "crates/RustQuant_stochastics" }
+RustQuant_time = { version = "0.3.0", path = "crates/RustQuant_time" }
+RustQuant_trading = { version = "0.3.0", path = "crates/RustQuant_trading" }
+RustQuant_utils = { version = "0.3.0", path = "crates/RustQuant_utils" }
 
 ## External Crates
 argmin = "0.10.0"           # https://docs.rs/argmin/latest/argmin/
diff --git a/crates/RustQuant_autodiff/CHANGELOG.md b/crates/RustQuant_autodiff/CHANGELOG.md
index a1fa4719..43d39021 100644
--- a/crates/RustQuant_autodiff/CHANGELOG.md
+++ b/crates/RustQuant_autodiff/CHANGELOG.md
@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/avhz/RustQuant/compare/RustQuant_autodiff-v0.2.12...RustQuant_autodiff-v0.3.0) - 2024-11-07
+
+### Other
+
+- some small lints
+- cleanup autodiff
+
 ## [0.2.12](https://github.com/avhz/RustQuant/compare/RustQuant_autodiff-v0.2.11...RustQuant_autodiff-v0.2.12) - 2024-10-29
 
 ### Other
diff --git a/crates/RustQuant_instruments/CHANGELOG.md b/crates/RustQuant_instruments/CHANGELOG.md
index 0980f4f8..0572f6b3 100644
--- a/crates/RustQuant_instruments/CHANGELOG.md
+++ b/crates/RustQuant_instruments/CHANGELOG.md
@@ -6,6 +6,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/avhz/RustQuant/compare/RustQuant_instruments-v0.2.12...RustQuant_instruments-v0.3.0) - 2024-11-07
+
+### Added
+
+- add Heston and Bachelier models to AnalyticOptionPricer
+
+### Other
+
+- some small lints
+
 ## [0.2.12](https://github.com/avhz/RustQuant/compare/RustQuant_instruments-v0.2.11...RustQuant_instruments-v0.2.12) - 2024-10-29
 
 ### Added
diff --git a/crates/RustQuant_math/CHANGELOG.md b/crates/RustQuant_math/CHANGELOG.md
index 6a26ddcf..d467fc06 100644
--- a/crates/RustQuant_math/CHANGELOG.md
+++ b/crates/RustQuant_math/CHANGELOG.md
@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/avhz/RustQuant/compare/RustQuant_math-v0.2.12...RustQuant_math-v0.3.0) - 2024-11-07
+
+### Other
+
+- some small lints
+- cleanup autodiff
+
 ## [0.2.12](https://github.com/avhz/RustQuant/compare/RustQuant_math-v0.2.11...RustQuant_math-v0.2.12) - 2024-10-29
 
 ### Other
diff --git a/crates/RustQuant_ml/CHANGELOG.md b/crates/RustQuant_ml/CHANGELOG.md
index 56af293a..5150b787 100644
--- a/crates/RustQuant_ml/CHANGELOG.md
+++ b/crates/RustQuant_ml/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/avhz/RustQuant/compare/RustQuant_ml-v0.2.12...RustQuant_ml-v0.3.0) - 2024-11-07
+
+### Other
+
+- cleanup autodiff
+
 ## [0.2.12](https://github.com/avhz/RustQuant/compare/RustQuant_ml-v0.2.11...RustQuant_ml-v0.2.12) - 2024-10-29
 
 ### Other
diff --git a/crates/RustQuant_stochastics/CHANGELOG.md b/crates/RustQuant_stochastics/CHANGELOG.md
index 374c4552..b1f32f65 100644
--- a/crates/RustQuant_stochastics/CHANGELOG.md
+++ b/crates/RustQuant_stochastics/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/avhz/RustQuant/compare/RustQuant_stochastics-v0.2.12...RustQuant_stochastics-v0.3.0) - 2024-11-07
+
+### Other
+
+- some small lints
+
 ## [0.2.12](https://github.com/avhz/RustQuant/compare/RustQuant_stochastics-v0.2.11...RustQuant_stochastics-v0.2.12) - 2024-10-29
 
 ### Other
diff --git a/crates/RustQuant_time/CHANGELOG.md b/crates/RustQuant_time/CHANGELOG.md
index 0155dc43..cded4644 100644
--- a/crates/RustQuant_time/CHANGELOG.md
+++ b/crates/RustQuant_time/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/avhz/RustQuant/compare/RustQuant_time-v0.2.12...RustQuant_time-v0.3.0) - 2024-11-07
+
+### Other
+
+- added Mexico calendar and tests
+
 ## [0.2.12](https://github.com/avhz/RustQuant/compare/RustQuant_time-v0.2.11...RustQuant_time-v0.2.12) - 2024-10-29
 
 ### Other