Git 2.55

The Git 2.55 Release and What Changed Recently

Git 1,932 ships a feature release every ten to twelve weeks, after three release candidates. Git 2.55.0 was tagged on 29 June 2026; 2.56.0 reached its second candidate on 22 September. Ask your copy how it was built:

Checking the Git version and its build optionsShell
git version --build-options
Output
git version 2.55.0
...
rust: enabled
...
SHA-1: SHA1_DC
SHA-256: SHA256_BLK
default-ref-format: files
default-hash: sha1

SHA1_DC is the collision-detecting SHA-1 Git adopted after the 2017 SHAttered attack (SHA-1 Names). files and sha1 are the two defaults Git 3.0 will change (Reftable and SHA-256 Transition), and from 2.55 parts of Git are built from Rust by default, on the way to Rust becoming mandatory in 3.0.

Recent Git feature releases
Release Tagged Highlights
2.52 Nov 2025 git last-modified, git repo
2.53 Feb 2026 A data-model manual page
2.54 Apr 2026 git history, config hooks
2.55 Jun 2026 git url-parse, parallel hooks