Commits
| Date | Subject | Author | Releases |
|---|---|---|---|
| 2017-03-23 | Track the oldest XID that can be safely looked up in CLOG. | Robert Haas | 10.0 |
| 2017-03-17 | Rename "pg_clog" directory to "pg_xact". | Robert Haas | 10.0 |
| 2011-06-22 | Make the visibility map crash-safe. | Robert Haas | 9.2.0 |