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relnote: mention a nodemap bug fixes...
marmoute -
r47764:5be3e2ed stable
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1 == New Features ==
1 == New Features ==
2
2
3 * `hg purge` is now a core command using `--confirm` by default.
3 * `hg purge` is now a core command using `--confirm` by default.
4
4
5 * The `rev-branch-cache` is now updated incrementally whenever changesets
5 * The `rev-branch-cache` is now updated incrementally whenever changesets
6 are added.
6 are added.
7
7
8 * The new options `experimental.bundlecompthreads` and
8 * The new options `experimental.bundlecompthreads` and
9 `experimental.bundlecompthreads.<engine>` can be used to instruct
9 `experimental.bundlecompthreads.<engine>` can be used to instruct
10 the compression engines for bundle operations to use multiple threads
10 the compression engines for bundle operations to use multiple threads
11 for compression. The default is single threaded operation. Currently
11 for compression. The default is single threaded operation. Currently
12 only supported for zstd.
12 only supported for zstd.
13
13
14 == Default Format Change ==
14 == Default Format Change ==
15
15
16 These changes affects newly created repositories (or new clone) done with
16 These changes affects newly created repositories (or new clone) done with
17 Mercurial 5.8.
17 Mercurial 5.8.
18
18
19 * The `ZSTD` compression will now be used by default for new repositories
19 * The `ZSTD` compression will now be used by default for new repositories
20 when available. This compression format was introduced in Mercurial 5.0,
20 when available. This compression format was introduced in Mercurial 5.0,
21 released in May 2019. See `hg help config.format.revlog-compression` for
21 released in May 2019. See `hg help config.format.revlog-compression` for
22 details.
22 details.
23
23
24 * Mercurial installation built with the Rust parts will now use the
24 * Mercurial installation built with the Rust parts will now use the
25 "persistent nodemap" feature by default. This feature was introduced in
25 "persistent nodemap" feature by default. This feature was introduced in
26 Mercurial 5.4 (May 2020). However Mercurial instalation built without the
26 Mercurial 5.4 (May 2020). However Mercurial instalation built without the
27 fast Rust implementation will refuse to interract with them by default.
27 fast Rust implementation will refuse to interract with them by default.
28 This restriction can be lifted through configuration.
28 This restriction can be lifted through configuration.
29
29
30 See `hg help config.format.use-persistent-nodemap` for details
30 See `hg help config.format.use-persistent-nodemap` for details
31
31
32 == New Experimental Features ==
32 == New Experimental Features ==
33
33
34 * There's a new `diff.merge` config option to show the changes
34 * There's a new `diff.merge` config option to show the changes
35 relative to an automerge for merge changesets. This makes it
35 relative to an automerge for merge changesets. This makes it
36 easier to detect and review manual changes performed in merge
36 easier to detect and review manual changes performed in merge
37 changesets. It is supported by `hg diff --change`, `hg log -p`
37 changesets. It is supported by `hg diff --change`, `hg log -p`
38 `hg incoming -p`, and `hg outgoing -p` so far.
38 `hg incoming -p`, and `hg outgoing -p` so far.
39
39
40
40
41 == Bug Fixes ==
41 == Bug Fixes ==
42
42
43 * gracefully recover from inconsistent persistent-nodemap data from disk.
43
44
44
45
45 == Backwards Compatibility Changes ==
46 == Backwards Compatibility Changes ==
46
47
47 * In normal repositories, the first parent of a changeset is not null,
48 * In normal repositories, the first parent of a changeset is not null,
48 unless both parents are null (like the first changeset). Some legacy
49 unless both parents are null (like the first changeset). Some legacy
49 repositories violate this condition. The revlog code will now
50 repositories violate this condition. The revlog code will now
50 silentely swap the parents if this condition is tested. This can
51 silentely swap the parents if this condition is tested. This can
51 change the output of `hg log` when explicitly asking for first or
52 change the output of `hg log` when explicitly asking for first or
52 second parent. The changesets "nodeid" are not affected.
53 second parent. The changesets "nodeid" are not affected.
53
54
54
55
55 == Internal API Changes ==
56 == Internal API Changes ==
56
57
57 * `changelog.branchinfo` is deprecated and will be removed after 5.8.
58 * `changelog.branchinfo` is deprecated and will be removed after 5.8.
58 It is superseded by `changelogrevision.branchinfo`.
59 It is superseded by `changelogrevision.branchinfo`.
59
60
60 * Callbacks for revlog.addgroup and the changelog._nodeduplicatecallback hook
61 * Callbacks for revlog.addgroup and the changelog._nodeduplicatecallback hook
61 now get a revision number as argument instead of a node.
62 now get a revision number as argument instead of a node.
62
63
63 * revlog.addrevision returns the revision number instead of the node.
64 * revlog.addrevision returns the revision number instead of the node.
64
65
65 * `nodes.nullid` and related constants are being phased out as part of
66 * `nodes.nullid` and related constants are being phased out as part of
66 the deprecation of SHA1. Repository instances and related classes
67 the deprecation of SHA1. Repository instances and related classes
67 provide access via `nodeconstants` and in some cases `nullid` attributes.
68 provide access via `nodeconstants` and in some cases `nullid` attributes.
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