v0.33.0

### About

jj is a Git-compatible version control system that is both simple and powerful. See
the [installation instructions](https://jj-vcs.github.io/jj/v0.33.0/install-and-setup/) to get started.

### Release highlights

* `jj undo` is now *sequential*: invoking it multiple times in sequence
  repeatedly undoes actions in the operation log. Previously, `jj undo` would
  only undo *the most recent* operation in the operation log. As a result, a new
  `jj redo` command has been added.

* Experimental support for improving query performance over filesets and file
  queries (like `jj log path/to/file.txt`) has been added. This is not enabled
  by default. To enable this, you must use the `jj debug index-changed-paths`
  command.

### Breaking changes

* `jj evolog` templates now accept `CommitEvolutionEntry` as context type. To
  get `Commit` properties, use `commit.<method>()`. To customize the default
  output, set `templates.evolog` instead of `templates.log`.

* `jj op show` now uses `templates.op_show` configuration for its default template
  instead of `templates.op_log`.

* The deprecated config option `git.auto-local-branch` has been removed. Use
  `git.auto-local-bookmark` instead.

* The deprecated `Signature.username()` template method has been removed. Use
  `Signature.email().local()` instead.

* The deprecated `--config-toml` flag has been removed. Use
  `--config=NAME=VALUE` or `--config-file=PATH` instead.

* `jj undo` can now undo multiple operations progressively by calling it
  repeatedly, whereas previously, running `jj undo` twice was previously a no-op
  (it only undid the last change).

* `jj git fetch` will now only fetch the refspec patterns configured on remotes
  when the `--bookmark` option is omitted. Only simple refspec patterns are
  currently supported, and anything else (like refspecs which rename branches)
  will be ignored.

* The `conflict` label used for coloring log graph nodes was renamed to
  `conflicted`.

### Deprecations

* The on-disk index format has changed. `jj` will write index files in both old
  and new formats, so old `jj` versions should be able to read these index
  files. This compatibility layer will be removed in a future release.

* `jj op undo` is deprecated in favor of `jj op revert`. (`jj undo` is still
  available, but with new semantics. See also the breaking changes above.)

* The argument `<operation>` of `jj undo` is deprecated in favor of
  `jj op revert <operation>`.

* The `--what` flag on `jj undo` is deprecated. Consider using
  `jj op restore --what` instead.

### New features

* The new command `jj redo` can progressively redo operations that were
  previously undone by multiple calls to `jj undo`.

* Templates now support `any()` and `all()` methods on lists to check whether
  any or all elements satisfy a predicate. Example: `parents.any(|c| c.mine())`
  returns true if any parent commit is authored by the user.

* Add experimental support for indexing changed paths, which will speed up `jj
  log PATH` query, `jj file annotate`, etc. The changed-path index can be
  enabled by `jj debug index-changed-paths` command. Indexing may take tens of
  minutes depending on the number of merge commits. The indexing command UI is
  subject to change. [#4674](https://github.com/jj-vcs/jj/issues/4674)

* `jj config list` now supports `-T'json(self) ++ "\n"'` serialization output.

* `jj file show` now accepts `-T`/`--template` option to insert file metadata.

* The template language now allows arbitrary whitespace between any operators.

* The new configuration option `git.colocate=boolean` controls whether or not
  Git repositories are colocated by default.

* Both `jj git clone` and `jj git init` now take a `--no-colocate` flag to
  disable colocation (in case `git.colocate` is set to `true`.)

* `jj git remote add` and `jj git clone` now support `--fetch-tags` to control
  when tags are fetched for all subsequent fetches.

* `jj git fetch` now supports `--tracked` to fetch only tracked bookmarks.

* `jj diff --stat` now shows the change in size to binary files.

* `jj interdiff`, `jj evolog -p`, and `jj op log -p` now show diff of commit
  descriptions.

* `jj log` and `jj op log` output can now be anonymized with the
  `builtin_log_redacted` and `builtin_op_log_redacted` templates.

* `jj git init` now checks for an `upstream` remote in addition to `origin` when
  setting the repository-level `trunk()` alias. The `upstream` remote takes
  precedence over `origin` if both exist.

* Add the `jj metaedit` command, which modifies a revision's metadata. This can
  be used to generate a new change-id, which may help resolve some divergences.
  It also has options to modify author name, email and timestamp, as well as to
  modify committer timestamp.

* Filesets now support case-insensitive glob patterns with the `glob-i:`,
  `cwd-glob-i:`, and `root-glob-i:` pattern kinds. For example, `glob-i:"*.rs"`
  will match both `file.rs` and `FILE.RS`.

* `jj op show` now accepts `-T`/`--template` option to customize the operation
  output using template expressions, similar to `jj op log`. Also added
  `--no-op-diff` flag to suppress the operation diff.

* A nearly identical string pattern system as revsets is now supported in the
  template language, and is exposed as `string.match(pattern)`.

### Fixed bugs

* `jj git clone` now correctly fetches all tags, unless `--fetch-tags` is
  explicitly specified, in which case the specified option will apply for both
  the initial clone and subsequent fetches.

* Operation and working-copy state files are now synchronized to disk on save.
  This will mitigate data corruption on system crash.
  [#4423](https://github.com/jj-vcs/jj/issues/4423)

### Packaging changes

* The test suite no longer optionally uses Taplo CLI or jq, and packagers can
  remove them as dependencies if present.

### Contributors

* Austin Seipp (@thoughtpolice)
* Benjamin Tan (@bnjmnt4n)
* Christian Hufnagel (@OvidiusCicero)
* Clément (@drawbu)
* Daniel Luz (@mernen)
* Emily (@emilazy)
* Evan Martin (@evmar)
* Gaëtan Lehmann (@glehmann)
* George Christou (@gechr)
* Graham Christensen (@grahamc)
* Hegui Dai (@Natural-selection1)
* Ian Wrzesinski (@isuffix)
* Ilya Grigoriev (@ilyagr)
* Isaac Corbrey (@icorbrey)
* Ivan Petkov (@ipetkov)
* Joaquín Triñanes (@JoaquinTrinanes)
* Kaiyi Li (@06393993)
* Martin von Zweigbergk (@martinvonz)
* Nigthknight (@nigthknight)
* Nikhil Marathe (@nikhilm)
* Remo Senekowitsch (@senekor)
* Tijs-B (@Tijs-B)
* Yuya Nishihara (@yuja)