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Andrew Dunbar

PROFILE

Andrew Dunbar

Over 21 months, contributed to Automattic/harper by building and refining a comprehensive natural language processing and linting platform. Focused on dictionary curation, grammar correction, and phrase normalization, the work improved language quality, reduced false positives, and enhanced user-facing clarity. Leveraged Rust and TypeScript to implement robust linting rules, expand dialect and idiom support, and automate testing pipelines. Regularly delivered code refactoring, configuration management, and CLI enhancements to streamline developer workflows. Maintained high standards for code quality and documentation, ensuring maintainability and extensibility. The ongoing improvements enabled more accurate NLP, faster onboarding, and reliable language tooling for diverse users.

Overall Statistics

Feature vs Bugs

70%Features

Repository Contributions

917Total
Bugs
117
Commits
917
Features
275
Lines of code
1,183,275
Activity Months21

Work History

June 2026

15 Commits • 2 Features

Jun 1, 2026

June 2026 – Automattic/harper: Focused on strengthening language processing quality, standardizing incident reporting terminology, and tightening linting. Delivered multiple linting/language improvements, incident-report terminology consistency, and CVE false positives fix, alongside dictionary curation and tests. Business impact includes improved content accuracy, reduced maintenance noise, and more reliable automated checks across Harper.

May 2026

33 Commits • 19 Features

May 1, 2026

May 2026 focused on standardizing language, naming, and quality across Automattic/harper. Delivered high-value features that improve code readability, lint accuracy, and user-facing clarity, while strengthening the dictionary and documentation pipelines to reduce false positives and support overhead. The work enhances business value by enabling clearer developer collaboration, faster onboarding, and more reliable terminology-driven messaging through consistent naming and phrasing. Overall, this month established a more maintainable base for future work and reduced terminology drift across the product surface and linting/validation tooling.

April 2026

37 Commits • 18 Features

Apr 1, 2026

April 2026 (Automattic/harper) monthly summary: delivered broad naming and phrasing normalization, dictionary maintenance, and UI/content terminology refinements; introduced new config inspection commands; fixed critical language-filter and spelling issues; and improved code quality through targeted refactors and linting work. The work enhances usability, search reliability, and inclusivity while reducing false positives and maintenance costs.

March 2026

53 Commits • 16 Features

Mar 1, 2026

March 2026: Significant enhancements to Harper's language tooling and dictionary lexicon delivering measurable business value. Key features delivered include expansive dictionary curation, linter wording/context improvements, and robust handling of time/decade expressions. Major bug fixes reduce false positives and improve reliability of automated checks.

February 2026

7 Commits • 3 Features

Feb 1, 2026

February 2026: Automattic/harper delivered key language processing enhancements with dictionary curation, linting rules for idioms, and improved pluralization. No major bugs fixed this month. Business value: more accurate NLP, better user-facing suggestions, and higher maintainability. Highlights include dictionary updates, idiom correction rules with tests, and pluralization tests ensuring correctness.

January 2026

47 Commits • 8 Features

Jan 1, 2026

January 2026 performance snapshot for Automattic/harper focusing on language consistency, linting quality, and developer tooling enhancements. Delivered a broad set of terminology and phrasing refinements that improved readability and maintainability, together with targeted grammar fixes and UX improvements. Strengthened engineering velocity by adding token utilities and editor integrations that streamline workflows and reduce review cycles, while maintaining a strong emphasis on business value through clearer, more correct wording in product-facing outputs.

December 2025

33 Commits • 4 Features

Dec 1, 2025

Month: 2025-12 — Harper language platform: focused on codebase maintainability, language accuracy, and broader dialect support. Delivered a major AST/linting refactor, comprehensive grammar and dictionary upgrades, and Indian English dialect support. These changes improve language check accuracy, reduce manual review, and extend coverage for diverse user bases.

November 2025

40 Commits • 13 Features

Nov 1, 2025

November 2025 performance summary for Automattic/harper: Focused on language quality, feature extensibility, and reliability improvements across Harper’s linter and CLI tool. Delivered substantial user-facing polish, expanded capabilities, and a set of stability fixes that reduce false positives and improve maintainability, enabling faster adoption of new linting rules and dictionary audits.

October 2025

1 Commits • 1 Features

Oct 1, 2025

Month: 2025-10 | Repository: Automattic/harper | Focus: Grammar Linter enhancements and improved verb conjugation detection.

September 2025

44 Commits • 8 Features

Sep 1, 2025

September 2025: Delivered a comprehensive language and grammar overhaul for Harper CLI and Lint, boosting accuracy, consistency, and localization. Implemented multi-word metadata support, plural forms, idioms, preposition normalization, and full verb form annotations across the linter and CLI. Fixed critical lint bugs and added missing LintKind variants to reduce false positives and improve reliability. Expanded NLP phrase handling and grammar corrections, including lemma logic improvements and broad phrase variants (e.g., HaveGone, common misphrases, and verb-tense corrections). Standardized regional spellings (windscreen vs windshield) and consolidated IO tokenization and flag normalization for more predictable parsing. Updated documentation and maintenance practices to support ongoing improvements and analytics. Overall, the work delivers higher-quality lint results, faster feedback for developers, and stronger language tooling alignment with business goals.

August 2025

30 Commits • 5 Features

Aug 1, 2025

Monthly summary for 2025-08 focused on Automattic/harper language tooling, dictionary maintenance, and template/linting improvements. Delivered a suite of language quality enhancements, expanded lexicon, and robust bug fixes that reduce false positives and improve readability, tokenization, and downstream NLP tasks. Overall, the month delivered measurable business value through clearer user-facing language, stronger linguistic analysis, and more maintainable tooling and documentation.

July 2025

48 Commits • 17 Features

Jul 1, 2025

July 2025 for Automattic/harper delivered data-quality and tooling improvements that strengthen NLP accuracy, consistency, and maintainability. Key features include terminology and wording normalization across dialects and legal terms; redundancy detection with improved phrasing/printing; phase-set corrections for tighter grouping; grammar/determiner enhancements including is_oov support, quantifier handling, and mass-noun handling; and lexicon/dictionary enrichment with new words and noun attributes. Major bugs fixed include stability fixes in SequenceExpr usage with Optional in the linter and several false positives (e.g., "you and I are", and misclassifications around that/than) along with CI/test stabilization. Overall, the work reduces ambiguity, accelerates downstream processing, and improves the reliability of automated text correction and NLP tasks. Technologies/skills demonstrated include data normalization, lexicon/corpus management, morphology and determiner rules, linting/code-quality improvements, and CI stabilization.

June 2025

44 Commits • 10 Features

Jun 1, 2025

June 2025: Delivered a focused set of language and tooling improvements for Automattic/harper that enhanced message clarity, grammar accuracy, and developer productivity, while strengthening testing and CI visibility. The work reduced linguistic edge-cases, standardized terminology, and introduced automation improvements that accelerate future iterations.

May 2025

41 Commits • 15 Features

May 1, 2025

May 2025 performance summary for Automattic/harper: Delivered broad improvements across dictionary curation, phrase normalization, and linting stability, augmenting language-quality and dialect coverage while tightening test hygiene. Key features include dictionary curation and dialect testing, extensive phrase normalization/terminology corrections, and ongoing test tooling enhancements. Major bug fixes addressed lint heuristics, language-processing prompts/false positives, and Part 1298 resolution complexities, reducing noisy flags and incorrect suggestions. The combined work improves user-facing content quality, accelerates developer iteration, and better supports multilingual/dialect contexts. Technologies demonstrated include lint rule management, dictionary curation, natural language processing heuristics, and test automation.

April 2025

151 Commits • 38 Features

Apr 1, 2025

Concise monthly summary for 2025-04 focusing on key accomplishments, delivering business value through feature enhancements, bug fixes, code quality, and user-facing improvements in Automattic/harper.

March 2025

128 Commits • 44 Features

Mar 1, 2025

March 2025 highlights for Automattic/harper: Expanded vocabulary, annotations, and proper noun handling; implemented roadmap features; strengthened developer tooling and code quality; and resolved critical stability issues. Key deliverables include: 1) Vocabulary and annotation updates with new words, affixes, canonical proper nouns, and matcher improvements; migration of place names to proper_noun_rules.json. 2) Roadmap features shipped: support '#' as a comment delimiter; implementations for #841; ticking time clock; variants of 'change of tact' to 'tack'; and related roadmap items (#828, #746, #993). 3) Quality and reliability gains via linting, formatting, precommit hygiene, and Rust-oriented refactoring; documentation cleanup. 4) Targeted bug fixes improving correctness and stability, including missing 'gotten rid off' variant, grep fallback for rg, and contractions handling. 5) Business impact: improved accuracy and user-facing corrections, reduced false positives, and stronger foundation for future language rules.

February 2025

122 Commits • 45 Features

Feb 1, 2025

February 2025 performance summary for Automattic/harper: Delivered major core improvements to hex parsing, expanded dictionary/affix coverage, and reinforced code quality and testing. These changes increase parsing accuracy, maintainability, and cross-platform reliability, delivering tangible business value in natural-language processing tasks and downstream data pipelines. Key features delivered: - Core Hex Lexing & Test Coverage: Refactored core hex processing with an old-school lexing approach and expanded test coverage for hex parsing (commits include 5f273451be053a300f2302a8cf6a4f6a81bfcdbc and 726e30a5d368703d8be9bec582fce83470b7374a). - Dictionary & Wordset Enhancements: Expanded curated dictionary with more words and affix rules; adjusted noun handling; added printaffixes command and related dictionary updates (multiple commits such as 031658bcc9efda4c4316855adde8f77036483513, a325445f02ec282f4ccf42d1b9fcac3b954f77ce, 73a5182d3ded9235c77e1d9adeebd6e654578441). - Affix Dictionary Improvements: Improvements to affix annotations, new entries, and fixes to affix-related behavior (commits including 01e28a9f379db5c6f9b9f32d4de2636dbf39a676, c1bd30c5506a4f8947b1c3d7631e2ca6ef3feeee, 71563c8c5b47bb74e037cfdb4fb9375a1046b743). - Build & Code Cleanup for Printaffixes & Noun Helpers: Code quality improvements, refactors, and hygiene around noun handling and printaffixes (commits such as 621a95875a20da8dc4ec1bbd208fbdbfdfe31eba, 74f5f6054731c4126fc633751de86c509c1e5079, f14b485d0c9ade039cc2cc313385910515a51a46). - Renderer Integration & Formatting Enhancements: Introduced a renderer component and performed formatting passes for code hygiene (commits including df64bd7d7baf9c37855994b259f2c6fd8310d4f3 and ceb14075d0cbf9dd649d941bd2d2782fad9800c5). - Documentation & Tests Hygiene: Documentation updates and test stabilization to ensure reliable builds (example commit 3bb80207d1224432e059580a8f9170db65b48045, 74cdc57bce372e70eff7be8c71444af6c661328f). Major bugs fixed: - End-of-Line Cleanup fixed to prevent encoding/formatting issues (e66e967ed324f2184a40223fa1f7632e92ec89e5). - Final newline ensured/consistent across files (982127349c9e4849e5b4cd0206fd16d855105a20). - ASCII/Hex digit validation tightened to avoid invalid token recognition (10854ff3765efef47b9ce5db8dc1cad58e5c2d0d). - Grammar and template fixes in documentation and error messages (0dfb0dbf0e33512d51913665cb7bf4e3bdd52529, a87fd5e6931a1147d4c92d6ea943058a6b2aa459). - Cross-platform compatibility improvements (e.g., just sampleforms on platforms with either jot or shuf) (c74b207753837ac0016960c2c41d31e84eee311e). - Other quality fixes including test stabilization and performance-oriented refactors (e.g., test cleanup 74cdc57bce372e70eff7be8c71444af6c661328f, 9550ddc7a57f2cda6c769b910464e1db46394a89). Overall impact and accomplishments: - Strengthened core language processing accuracy and reliability, enabling more trustworthy downstream NLP results. - Substantially improved maintainability through code hygiene, formatting, and better inline documentation. - Expanded dictionary and affix coverage to support more natural language variants and edge cases, reducing false positives/negatives. - Enhanced cross-platform support and test stability, accelerating onboarding and reducing release risk. - Introduced renderer integration to support flexible output paths and future extensibility. Technologies/skills demonstrated: - Advanced hex lexical analysis, dictionary/affix architecture, and test-driven development. - Code quality tooling and precommit hygiene (lint rules, inline commentary, formatting) and migration to stable initialization (once_cell). - Cross-platform considerations and platform-specific testing. - Documentation improvements and user-facing template work to improve clarity and reduce false positives.

January 2025

29 Commits • 8 Features

Jan 1, 2025

January 2025 monthly summary: Delivered measurable business value across Automattic/harper and joernio/ghidra by tightening code quality, stabilizing the CI pipeline, expanding data assets, and improving documentation clarity. Key features included Latin-script validation using the unicode_script crate to enforce Latin script in is_english_lingual, an updated fuzzing configuration to streamline testing, and initial core hex-number support. Maintenance highlights covered holidays data expansion, core maintenance/refactor work, and enhanced repository hygiene. Major bug fixes focused on documentation quality (typos/grammar and removal of duplicate apostrophe entries). This work yielded faster feedback from fuzzing, clearer documentation, safer data handling, and a stronger foundation for future feature work. Technologies demonstrated include Rust crates usage (unicode_script), CI/fuzz tooling, core linting, pre-commit tooling, and data/documentation curation across multiple repos.

December 2024

1 Commits

Dec 1, 2024

December 2024 – Joernio/ghidra: Focused on documentation quality for navigation features. Implemented a targeted bug fix to correct grammar, ensuring documentation matches the implemented syntax and improves user understanding. The change is low-risk, well-traced, and aligns docs with code behavior, reducing potential user confusion.

November 2024

6 Commits

Nov 1, 2024

November 2024 contributions focused on documentation quality, error-message clarity, and release-note accuracy across two repositories. In joernio/ghidra, delivered extensive text-quality improvements across docs and source comments by fixing typos and grammar issues (including corrections for choosen, preceed, doubled words, and other misspellings) across four commits. Also corrected BinaryLoader error messages to reflect the actual validation (>= 0), improving user-facing feedback (commit to make messages match logic). In fosskers/raylib-1, fixed a release-notes typo in HISTORY.md (arribes -> arrives) without altering functionality. These changes improve professionalism, reduce user confusion, and support smoother onboarding and release processes.

October 2024

7 Commits • 1 Features

Oct 1, 2024

October 2024 performance highlights for joernio/ghidra focused on delivering user-facing UX improvements and strengthening code quality. Key features delivered improved file import experience, while documentation and housekeeping work boosted maintainability and consistency. The outcomes support faster task completion, reduced onboarding friction, and a cleaner, more reliable codebase across platforms.

Activity

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Quality Metrics

Correctness95.0%
Maintainability92.4%
Architecture89.2%
Performance89.6%
AI Usage21.6%

Skills & Technologies

Programming Languages

BashBinaryCC++CSSDictionaryDiffEnglishHTMLJSON

Technical Skills

AI integrationAPI DesignAlgorithm DesignAnnotation ProcessingAutomated TestingBug FixBug FixingBuild AutomationBuild ProcessBuild Process ManagementBuild ScriptingBuild ToolsCI/CDCLI DevelopmentCharacter Set Handling

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

Automattic/harper

Jan 2025 Jun 2026
18 Months active

Languages Used

MarkdownRubyRustTextTypeScriptYAMLgitignorelua

Technical Skills

CI/CDCode FormattingCode LintingCode QualityCode RefactoringCode Review

joernio/ghidra

Oct 2024 Jan 2025
4 Months active

Languages Used

C++HTMLJavapropertiesC

Technical Skills

Code RefactoringCodebase MaintenanceConfigurationDocumentationFile HandlingGUI Development

fosskers/raylib-1

Nov 2024 Nov 2024
1 Month active

Languages Used

Markdown

Technical Skills

Documentation