Current

Principal Software Engineer at GitHub, Inc., working on Git.

Projects

• ttaylorr/git: my fork of git/git
• ttaylorr/dotfiles: personal machine configuration
• git-lfs/git-lfs: large file extension for Git

  • git-lfs/gitobj: pure Go implementation of Git object reads/writes
  • git-lfs/pktline: pure Go implementation of Git’s pkt-line protocol
  • git-lfs/wildmatch: globbing filename matching library

Writing

• Highlights from Git 2.51 August, 2025
  
• Post-quantum security for SSH access on GitHub September, 2025
  
• Git turns 20: A Q&A with Linus Torvalds April, 2025
  
• Scaling Git’s garbage collection September, 2022
  
• Scaling monorepo maintenance April, 2021
  
• Older Git releases:

  • Git security vulnerabilities announced July, 2025
    
  • Highlights from Git 2.50 June, 2025
    
  • Highlights from Git 2.49 March, 2025
    
  • Git security vulnerabilities announced January, 2025
    
  • Highlights from Git 2.48 January, 2025
    
  • Highlights from Git 2.47 October, 2024
    
  • Highlights from Git 2.46 July, 2024
    
  • Highlights from Git 2.45 April, 2024
    
  • Highlights from Git 2.44 February, 2024
    
  • Highlights from Git 2.43 November, 2023
    
  • Highlights from Git 2.42 August, 2023
    
  • Highlights from Git 2.41 June, 2023
    
  • Git security vulnerabilities announced April, 2023
    
  • Highlights from Git 2.40 March, 2023
    
  • Git security vulnerabilities announced February, 2023
    
  • Highlights from Git 2.39 December, 2022
    
  • Git security vulnerabilities announced January, 2023
    
  • Git security vulnerabilities announced October, 2022
    
  • Highlights from Git 2.38 October, 2022
    
  • Highlights from Git 2.37 June, 2022
    
  • Highlights from Git 2.36 April, 2022
    
  • Git security vulnerability announced April, 2022
    
  • Highlights from Git 2.35 January, 2022
    
  • Highlights from Git 2.34 November, 2021
    
  • Highlights from Git 2.33 August, 2021
    
  • Highlights from Git 2.31 March, 2021
    
  • Git clone vulnerability announced March, 2021
    
  • Highlights from Git 2.29 October, 2020
    
  • Highlights from Git 2.28 July, 2020
    
  • Git credential helper vulnerability announced (update) April, 2020
    
  • Git credential helper vulnerability announced April, 2020
    
  • Highlights from Git 2.26 March, 2020
    
  • Highlights from Git 2.25 January, 2020
    
  • Multiple Git vulnerabilities in 2.24 and older December, 2019
    
  • Highlights from Git 2.24 November, 2019
    
  • Highlights from Git 2.23 August, 2019
    
  • Highlights from Git 2.22 June, 2019
    
  • Highlights from Git 2.21 February, 2019
    
  • Highlights from Git 2.19 September, 2018
    
• Older Git LFS releases:

  • Git LFS 2.6.0 now available November, 2018
    
  • Git LFS 2.5.0 now available July, 2018
    
  • Git LFS 2.4.0 released March, 2018
    
  • Git LFS 2.3.0 released September, 2017
    
  • Git LFS 2.2.0 released June, 2017
    
  • Git LFS 2.1.0 released April, 2017
    
  • Git LFS 2.0.0 released March, 2017
    

Presentations

• New Techniques in Repacking Monorepos September, 2025 (Git Merge) (Slides, Recording)
• Scaling Git September, 2024 (Git Merge) (Slides, Recording)
• Older presentations:

  • Git Concepts: Demystified March, 2023 (CSE 374) (Slides, Course)
  • Distributed Systems at GitHub March, 2023 (CSE 452) (Slides, Course)
  • Git at GitHub Scale September, 2022 (Git Merge) (Slides, Recording)

Previous

• Student at the University of Washington. 2017-2020

  • Spring 2020: CSE 490, FRENCH 103
  • Winter 2020: CSE 421, FRENCH 102, MATH 380
  • Autumn, 2019: CSE 401, CSE 431, CSE 498, FRENCH 101, MATH 324
  • Spring, 2019: CSE 446, CSE 452, GERMAN 295, MUSIC 131
  • Winter, 2019: CSE 333, CSE 490, CSE 390, MATH 309, PHIL 100
  • Autumn, 2018: CLAS 314, CSE 312, CSE 332, CSE 590, MATH 307
  • Spring, 2018: CSE 311, CSE 351, CSE 391, LING 233, PHIL 149
  • Winter, 2018: ART H 309, CSE 331, GERMAN 210, MATH 308
  • Autumn, 2017: CSE 341, ENGL 131, MATH 126
• Beam (became Mixer, acquired by Microsoft, now defunct) 2015-2016
• Overcast Network (now defunct) 2013-2014

Publications

• (Local Copy, Slides, arXiv) Verifying Strong Eventual Consistency in δ-CRDTs
  Advisors: Dan Grossman, Talia Ringer
• ICFP 2018 (Local Copy, ACM) Functional Programming for Compiling and Decompiling Computer-Aided Design
  C. Nandi, J. R. Wilcox, P. Panchekha, T. Blau, D. Grossman, and Z. Tatlock.