This is an archive of the discontinued Mercurial Phabricator instance.

Differential D10497

relnode: document the move to `zstd` as default compression
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Authored by marmoute on Apr 20 2021, 10:48 AM.

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pulkit
Group Reviewers
hg-reviewers
Commits
rHG035c06f9fddf: relnode: document the move to `zstd` as default compression

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rHG Mercurial
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Automatic diff as part of commit; lint not applicable.
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Automatic diff as part of commit; unit tests not applicable.

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Changeset List

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Mrelnotes/next (10 lines)

Diff 27187

relnotes/next

== New Features == == New Features ==
* `hg purge` is now a core command using `--confirm` by default. * `hg purge` is now a core command using `--confirm` by default.
* The `rev-branch-cache` is now updated incrementally whenever changesets * The `rev-branch-cache` is now updated incrementally whenever changesets
are added. are added.
* The new options `experimental.bundlecompthreads` and * The new options `experimental.bundlecompthreads` and
`experimental.bundlecompthreads.<engine>` can be used to instruct `experimental.bundlecompthreads.<engine>` can be used to instruct
the compression engines for bundle operations to use multiple threads the compression engines for bundle operations to use multiple threads
for compression. The default is single threaded operation. Currently for compression. The default is single threaded operation. Currently
only supported for zstd. only supported for zstd.
== Default Format Change ==
These changes affects newly created repositories (or new clone) done with
Mercurial 5.8.
* The `ZSTD` compression will now be used by default for new repositories
when available. This compression format was introduced in Mercurial 5.0,
released in May 2019. See `hg help config.format.revlog-compression` for
details.
== New Experimental Features == == New Experimental Features ==
* There's a new `diff.merge` config option to show the changes * There's a new `diff.merge` config option to show the changes
relative to an automerge for merge changesets. This makes it relative to an automerge for merge changesets. This makes it
easier to detect and review manual changes performed in merge easier to detect and review manual changes performed in merge
changesets. It is supported by `hg diff --change`, `hg log -p` changesets. It is supported by `hg diff --change`, `hg log -p`
`hg incoming -p`, and `hg outgoing -p` so far. `hg incoming -p`, and `hg outgoing -p` so far.