jj Releases

This release adds support for uploading changes to Gerrit Code Review and introduces automated bisection with jj bisect run. Git-based repositories are now colocated by default, and conflicts written by jj < 0.11 are no longer supported.

Oct 1, 2025

Undo operations are now sequential, a new `jj redo` command has been added, and experimental support for indexing changed paths to improve query performance has been introduced.

Sep 4, 2025

Symbol expressions in revsets now error out if resolved to multiple revisions, `jj op abandon` now discards unreachable versions of changes, and workspace list output can now be customized via templates.

Aug 6, 2025

Revset expressions now search hidden revisions and their ancestors by default, commit templates no longer normalize descriptions, and ANSI 256-color palette support has been added.

Jul 2, 2025

Experimental support for transferring change IDs to Git remotes has been enabled by default, the old `libgit2` code path has been removed, and `jj split` has gained new options for placement and messaging.

Jun 4, 2025

Experimental support for storing change IDs in Git commit headers has been added, color-words diff options have been expanded, and commit trailers are now supported in various commit commands.

May 7, 2025

This is a patch release that fixes a bug where old commits could be re-imported from Git.

Apr 7, 2025

This is a maintenance release focused on security and bug fixes. It addresses a critical SHA-1 collision detection issue and resolves problems with multi-sided merge tools and build processes.

Apr 5, 2025

A major release introducing enhanced configuration management, support for PKCS#12 signing, and several breaking changes including the removal of deprecated commands and configuration options.

Apr 3, 2025

This release focuses on Git compatibility by enabling the `git.subprocess` feature by default and introduces new signing and templating capabilities.

Mar 6, 2025

Improves Git interaction and introduces cryptographic signature support while removing several deprecated commands and features.

Feb 6, 2025

This release introduces strict configuration parsing and conditional variables, alongside improvements to handling large files in the working copy.

Jan 2, 2025

Introduces the `jj absorb` command for automatically squashing changes and removes deprecated commands like `jj move`, `jj checkout`, and `jj merge`.

Dec 4, 2024

Addresses a critical security vulnerability regarding path traversal and adds new commands like `jj file annotate` and `jj simplify-parents`.

Nov 7, 2024

Renames `jj branch` to `jj bookmark` and `jj obslog` to `jj evolution-log`, adding new workspace management features.

Oct 2, 2024

Changes the behavior of `next/prev` movement commands and adds configuration options to control movement modes and diff highlighting.

Sep 4, 2024

Switches to static libgit2 linking by default and renames `--skip-empty` to `--skip-emptied`, adding new revset and operation commands.

Aug 7, 2024

This release focuses on revset parsing changes, command consolidation via the new `jj file` subcommand, and new features like Watchman integration and `jj branch move`.

Jul 5, 2024

Introduces the `jj fix` command for code formatting, adds new revsets (`reachable`, `mutable`, `immutable`), and improves config parsing for TOML keys.

Jun 6, 2024

A bug fix release that improves the performance of `jj status` by no longer scanning the entire history for conflict ancestors.

May 7, 2024