| Age | Commit message (Expand) | Author |
| 8 days | Use palloc_object() and palloc_array() in backend code | Michael Paquier |
| 2025-10-17 | Replace defunct URL with stable archive.org URL in rbtree.c | Daniel Gustafsson |
| 2025-01-01 | Update copyright for 2025 | Bruce Momjian |
| 2024-01-04 | Update copyright for 2024 | Bruce Momjian |
| 2023-01-02 | Update copyright for 2023 | Bruce Momjian |
| 2022-07-08 | Add missing inequality searches to rbtree | Alexander Korotkov |
| 2022-07-08 | Use C99 designator in the rbtree sentinel definition | Alexander Korotkov |
| 2022-01-08 | Update copyright for 2022 | Bruce Momjian |
| 2021-01-02 | Update copyright for 2021 | Bruce Momjian |
| 2020-01-01 | Update copyrights for 2020 | Bruce Momjian |
| 2019-01-02 | Update copyright for 2019 | Bruce Momjian |
| 2018-11-06 | Rename rbtree.c functions to use "rbt" prefix not "rb" prefix. | Tom Lane |
| 2018-01-03 | Update copyright for 2018 | Bruce Momjian |
| 2017-09-10 | Remove pre-order and post-order traversal logic for red-black trees. | Tom Lane |
| 2017-06-21 | Initial pgindent run with pg_bsd_indent version 2.0. | Tom Lane |
| 2017-05-17 | Post-PG 10 beta1 pgindent run | Bruce Momjian |
| 2017-01-03 | Update copyright via script for 2017 | Bruce Momjian |
| 2016-09-04 | Clarify the new Red-Black post-order traversal code a bit. | Heikki Linnakangas |
| 2016-09-02 | Support multiple iterators in the Red-Black Tree implementation. | Heikki Linnakangas |
| 2016-01-02 | Update copyright for 2016 | Bruce Momjian |
| 2015-01-06 | Update copyright for 2015 | Bruce Momjian |
| 2014-12-22 | Move rbtree.c from src/backend/utils/misc to src/backend/lib. | Heikki Linnakangas |