v2.12.0 v2.13.0

Name: harper
Author: Automattic

medium risk

Automattic/harperOct 1, 2026 → Oct 16, 202615 days between releases

What's New

Adds grammar corrections, a linting option, and codebase refactoring

New Features

Added `no_parallel` switch to `harper-cli lint` command
Added grammar correction for 'will gonna' to 'will'
Added grammar correction for 'AIUI' to 'as I understand it'
Added grammar correction for 'deference' to 'dereference'
Added grammar correction for 'sky rocketing' to 'skyrocketing'

Improvements

Refactored codebase by splitting `lint.rs` into new modules
Updated Rust dependencies including `dirs`, `rand`, and `zstd`
Fixed critical desktop app bugs such as accidental broker locking
Fixed hidden rules in Obsidian
Added documentation for linting git commit messages

Bug Fixes

Fixed hidden rules in Obsidian
Fixed critical desktop app bugs such as accidental broker locking
Fixed desktop settings page layout and logo

Upgrade Notes

No configuration changes are required for existing setups. The new `no_parallel` switch allows fine-tuning CLI execution. Internal refactoring of `lint.rs` improves maintainability without affecting user configs.

The Two Releases

v2.12.0

Oct 1, 2026· 20 days ago

This release introduces new user-facing features for the Chrome Extension and Desktop app, improves linter accuracy with better grammar suggestions, and fixes various bugs across the core engine, editor, and desktop tray icon handling.

Full release notes

v2.13.0

Oct 16, 2026· 5 days ago

This release focuses on grammar correction improvements, desktop application stability fixes, and dependency updates. It introduces new linting options and refactors the codebase for better maintainability.

Full release notes