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Differential D9258

relnotes: mention improved memory use and underlaying API changes
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Authored by joerg.sonnenberger on Oct 29 2020, 8:29 AM.

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martinvonz
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rHGc4ab93849383: relnotes: mention improved memory use and underlaying API changes

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martinvonz accepted this revision.Oct 29 2020, 10:34 AM
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This revision is now accepted and ready to land.Oct 29 2020, 10:34 AM

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Mrelnotes/next (15 lines)

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relnotes/next

== New Features == == New Features ==
* `hg mv -A` can now be used with `--at-rev`. It behaves just like * `hg mv -A` can now be used with `--at-rev`. It behaves just like
`hg cp -A --at-rev`, i.e. it marks the destination as a copy of the `hg cp -A --at-rev`, i.e. it marks the destination as a copy of the
source whether or not the source still exists (but the source must source whether or not the source still exists (but the source must
exist in the parent revision). exist in the parent revision).
* New revset predicate `diffcontains(pattern)` for filtering revisions * New revset predicate `diffcontains(pattern)` for filtering revisions
in the same way as `hg grep --diff pattern`. in the same way as `hg grep --diff pattern`.
* The memory footprint per changeset and per file during pull/unbundle
operations has been significantly reduced.
== New Experimental Features == == New Experimental Features ==
== Bug Fixes == == Bug Fixes ==
== Backwards Compatibility Changes == == Backwards Compatibility Changes ==
== Internal API Changes == == Internal API Changes ==
* `merge.update()` is now private (renamed to `_update()`). Hopefully * `merge.update()` is now private (renamed to `_update()`). Hopefully
the higher-level functions available in the same module cover your the higher-level functions available in the same module cover your
use cases. use cases.
* `phases.registernew` now takes a set of revisions instead of a list
of nodes. `phases.advanceboundary` takes an optional set of revisions
in addition to the list of nodes. The corresponeding members of the
`phasecache` class follow this change.
* The `addgroup` member of `revlog` classes no longer keeps a list of
all found nodes. It now returns True iff a node was found in the group.
An optional callback for duplicated nodes can be used by callers to keep
track of all nodes themselve.
* The `_chaininfocache` of `revlog` classes has been changed from a dict
to a LRU cache.