consolidated changelog

README.md

@@ -69,7 +69,7 @@ pip install leanpass
 
 ## Documentation
 
-Full documentation is available at [**leanpass.kilobyte136.workers.dev**](https://leanpass.kilobyte136.workers.dev/) and includes API reference, core concept explanations, and hands-on guides covering regression, classification, MNIST, gradient checking, and custom layers.
+Full documentation is available at [**leanpass.kilobyte136.workers.dev**](https://leanpass.kilobyte136.workers.dev/) and includes API reference, core concept explanations, and hands-on guides covering regression, classification, MNIST, gradient checking, and custom layers. See the [changelog](docs/changelog.md) for the complete release history.
 
 ### DeepWiki
 
@@ -229,7 +229,7 @@ python -m examples.demo_regression
 - `static/` — images, icons, and other static assets
 - `.github/` — CI/CD workflows, issue templates, PR templates
 - `pyproject.toml` — package metadata and build configuration
-- `CHANGELOG.md` — release history
+- `docs/changelog.md` — release history
 - `CONTRIBUTING.md` — contribution guidelines
 - `SECURITY.md` — vulnerability disclosure process
 

docs/changelog.md

@@ -6,10 +6,49 @@ sidebar_label: Changelog
 
 # Changelog
 
-All notable changes to this project will be documented in this file.
+All notable changes to LeanPass are documented here. Release versions and dates
+follow the published releases on [PyPI](https://pypi.org/project/leanpass/) and
+[GitHub](https://github.com/Terminay/leanpass/releases).
 
 The format is based on [keep-a-changelog.org](https://keepachangelog.org/) and uses semantic versioning.
 
+## [0.1.13] - 2026-10-05
+
+### Changed
+
+- Updated documentation-site JavaScript dependencies (`qs` and `sharp`); no Python API changes
+
+## [0.1.12] - 2026-09-20
+
+### Fixed
+
+- Added numerical-stability guards to logarithm, exponential, sigmoid, and softmax operations to avoid domain errors, overflow, and invalid normalization
+
+## [0.1.11] - 2026-09-19
+
+### Changed
+
+- Updated documentation-site JavaScript dependencies; no Python API changes
+
+## [0.1.10] - 2026-09-10
+
+### Changed
+
+- Updated documentation-site JavaScript dependencies; no Python API changes
+
+## [0.1.9] - 2026-08-28
+
+### Added
+
+- Usable operation registry for registering, decorating, and retrieving built-in or plugin operations
+
+## [0.1.8] - 2026-08-25
+
+### Added
+
+- Explicit `ZeroDivisionError` when dividing a tensor by zero
+- Contributor acknowledgments in the README
+
 ## [0.1.7] - 2026-08-09
 
 ### Added
@@ -20,31 +59,27 @@ The format is based on [keep-a-changelog.org](https://keepachangelog.org/) and u
 - `Tensor.clip(a_min, a_max)` / `Tensor.clamp(min, max)` value clamping
 - Basic indexing support via `Tensor[...]` with autodiff propagation
 
-### Changed
-
-- Updated documentation and README to reflect the new optimizer and tensor APIs
-
 ## [0.1.6] - 2026-08-09
 
 ### Added
 
-- new CI workflow for issues
-- GitHub Actions workflow to bump version
+- Issue-management CI workflow
+- GitHub Actions workflow for bumping package versions and creating tags
 
 ### Fixed
 
-- Store `_prev` as a tuple in sum() and mean()
-- Bump the npm_and_yarn group across 1 directory with 4 updates
+- Store reduction parents as tuples in `sum()` and `mean()`, fixing graph evaluation failures
 
 ## [0.1.5] - 2026-07-30
 
 ### Added
 
-- Cloudflare Workers configuration by @cloudflare-workers-and-pages[bot]
+- Cloudflare Workers configuration for deploying the documentation site
+- Setuptools build configuration for distributing the Python package
 
 ### Fixed
 
-- Repaired `0.1.4` version on PyPI not having all files 
+- Repaired the incomplete `0.1.4` distribution on PyPI
 
 ## [0.1.4] - 2026-07-28
 
@@ -56,9 +91,8 @@ The format is based on [keep-a-changelog.org](https://keepachangelog.org/) and u
 
 ### Changed
 
-- Updated package version to `0.1.4`
 - Fixed documentation image paths for production
-- Completed all documentation placeholders
+- Completed documentation placeholders
 
 ## [0.1.3] - 2026-07-25
 
@@ -68,40 +102,27 @@ The format is based on [keep-a-changelog.org](https://keepachangelog.org/) and u
 - `Tensor.leaky_relu()` activation
 - `Tensor.gelu()` activation
 
-### Changed
-
-- Updated package version to `0.1.3`
-
 ## [0.1.2] - 2026-07-25
 
-## Added
+### Added
+
 - `cross_entropy_loss` for categorical classification training
 - `binary_cross_entropy_loss` for binary label training
 
-### Changed
-- Updated package version to `0.1.2`
-
-## [0.1.1] - 2026-07-24
+## [0.1.1] - 2026-07-25
 
 ### Added
 
-- Manual `Publish to PyPI` workflow trigger in GitHub Actions
-- `CHANGELOG.md` to track release notes
-
-### Changed
-
-- Bumped package version from `0.1.0` to `0.1.1`
-- Updated release automation and GitHub Pages site content
+- Manually triggerable `Publish to PyPI` GitHub Actions workflow
 
-## [0.1.0] - 2026-07-24
+## [0.1.0] - 2026-07-23
 
 ### Added
 
-- Initial package release automation for GitHub Releases
-- GitHub Actions workflow for `Publish to PyPI`
-- Basic package documentation, issue templates, and contribution files
-- Static GitHub Pages site under `docs/`
+- Initial PyPI release of LeanPass, including the `Tensor` autodiff core, neural-network layers, and optimizers
+- GitHub Actions workflows for publishing releases to GitHub and PyPI
+- Initial documentation, issue templates, and contribution files
 
 ### Fixed
 
-- Repair README rendering and workflow details
+- Fixed README rendering and workflow details