History

The project's life, one year at a time, told from the commit record: how activity rose and fell against the project's own baseline, who arrived when, and what was released.

Span
2014 – 2026
13 years
Peak Year
2020
2,540 commits
Releases
49
latest in 2026
2014BIRTHfirst commits

1 commits (0.0%) · +244 / −0 lines · 1 author

Led by Nong Li (1 commit)

First commits: Nong Li

2015QUIETwell below the usual pace

1 commits (0.0%) · +4 / −1 lines · 1 author

Led by Fabrizio Fabbri (1 commit)

First commits: Fabrizio Fabbri

2016QUIETwell below the usual pace

405 commits (2.1%) · +140,032 / −44,382 lines · 40 authors

Led by Wes McKinney (138 commits)

First commits: Wes McKinney, Uwe L. Korn, Julien Le Dem, Deepak Majeti, emkornfield, Steven Phillips (+33 more)

Released: apache-arrow-0.1.0

2017STEADY

1,246 commits (6.4%) · +317,840 / −148,629 lines · 99 authors

Led by Wes McKinney (516 commits)

First commits: Phillip Cloud, Max Risuhin, siddharth, Licht-T, Li Jin, Emilio Lahr-Vivaz (+78 more)

Released: apache-arrow-0.2.0, apache-arrow-0.4.0, apache-arrow-0.4.1, apache-arrow-0.5.0, apache-arrow-0.6.0 (+4 more)

2018STEADY

1,610 commits (8.3%) · +351,400 / −104,193 lines · 166 authors

Led by Antoine Pitrou (222 commits)

First commits: Antoine Pitrou, Krisztián Szűcs, Pindikura Ravindra, Andy Grove, Yosuke Shiro, Praveen (+131 more)

Released: apache-arrow-js-0.3.0, apache-arrow-0.9.0, apache-arrow-0.10.0, apache-arrow-0.11.0

2019STEADY

2,403 commits (12.4%) · +565,039 / −208,819 lines · 204 authors

Led by Wes McKinney (256 commits)

First commits: Neal Richardson, tianchen, liyafan82, David Li, Prudhvi Porandla, Eric Erhardt (+136 more)

Released: apache-arrow-0.12.0, apache-arrow-js-0.4.0, apache-arrow-js-0.4.1, apache-arrow-0.13.0, apache-arrow-0.14.0 (+1 more)

2020PEAKbusiest year

2,540 commits (13.1%) · +560,879 / −229,736 lines · 242 authors

Led by Antoine Pitrou (248 commits)

First commits: Jorge C. Leitao, Andrew Lamb, Heres, Daniel, Qingping Hou, Frank Du, Jörn Horstmann (+165 more)

Released: apache-arrow-0.16.0, apache-arrow-0.17.0, apache-arrow-1.0.0, apache-arrow-2.0.0

2021STEADY

2,430 commits (12.5%) · +622,314 / −410,346 lines · 242 authors

Led by Antoine Pitrou (227 commits)

First commits: Nic Crane, Alessandro Molina, Carlos O'Ryan, Alenka Frim, João Pedro, Eduardo Ponce (+149 more)

Released: apache-arrow-3.0.0, apache-arrow-5.0.0.dev, apache-arrow-6.0.0.dev, apache-arrow-7.0.0.dev

2022STEADY

2,257 commits (11.6%) · +1,040,792 / −320,860 lines · 270 authors

Led by Sutou Kouhei (247 commits)

First commits: Raúl Cumplido, Jacob Wujciak-Jens, Miles, david dali susanibar arce, Vibhatha Lakmal Abeykoon, rtpsw (+178 more)

Released: apache-arrow-8.0.0.dev, apache-arrow-9.0.0.dev, apache-arrow-10.0.0.dev, apache-arrow-11.0.0.dev

2023STEADY

2,227 commits (11.5%) · +385,875 / −178,655 lines · 258 authors

Led by Sutou Kouhei (252 commits)

First commits: Sarah Gilmore, Felipe Oliveira Carvalho, Dane Pitkin, Curt Hagenlocher, Josh Soref, Igor Izvekov (+165 more)

Released: apache-arrow-12.0.0.dev, apache-arrow-13.0.0.dev, apache-arrow-14.0.0.dev, apache-arrow-15.0.0.dev, apache-arrow-14.0.1.dev

2024STEADY

1,938 commits (10.0%) · +262,958 / −1,163,579 lines · 244 authors

Led by Sutou Kouhei (228 commits)

First commits: ZhangHuiGui, Joel Lubinitsky, Hiroyuki Sato, Lysandros Nikolaou, Tai Le Manh, Vyas Ramasubramani (+138 more)

Released: apache-arrow-16.0.0.dev, apache-arrow-17.0.0.dev, apache-arrow-18.0.0.dev, apache-arrow-19.0.0.dev

2025STEADY

1,285 commits (6.6%) · +232,031 / −235,950 lines · 182 authors

Led by Sutou Kouhei (218 commits)

First commits: Alina (Xi) Li, Arash Andishgar, Antoine Prouvost, Bogdan Romenskii, gitmodimo, Lester Fan (+111 more)

Released: apache-arrow-20.0.0.dev, apache-arrow-21.0.0.dev, apache-arrow-22.0.0.dev, apache-arrow-23.0.0.dev

2026STEADY

1,101 commits (5.7%) · +126,177 / −96,462 lines · 195 authors

Led by Raúl Cumplido (122 commits)

First commits: Aaditya Srinivasan, fenfeng9, metsw24-max, Abdul Rawoof Khan, Yifan Chen, Stefan Wang (+126 more)

Released: apache-arrow-24.0.0.dev, apache-arrow-25.0.0.dev, apache-arrow-26.0.0.dev, apache-arrow-27.0.0.dev