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1 | 1 | == New Features == |
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2 | 2 | |
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3 | 3 | * clonebundles can be annotated with the expected memory requirements |
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4 | 4 | using the `REQUIREDRAM` option. This allows clients to skip |
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5 | 5 | bundles created with large zstd windows and fallback to larger, but |
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6 | 6 | less demanding bundles. |
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7 | 7 | |
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8 | 8 | * The `phabricator` extension now provides more functionality of the |
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9 | 9 | arcanist CLI like changing the status of a differential. |
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10 | 10 | |
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11 | 11 | * Phases processing is much faster, especially for repositories with |
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12 | 12 | old non-public changesets. |
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13 | 13 | |
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14 | ||
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14 | 15 | == New Experimental Features == |
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15 | 16 | |
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16 | 17 | * The core of some hg operations have been (and are being) |
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17 | 18 | implemented in rust, for speed. `hg status` on a repository with |
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18 | 19 | 300k tracked files goes from 1.8s to 0.6s for instance. |
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19 | 20 | This has currently been tested only on linux, and does not build on |
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20 | 21 | windows. See rust/README.rst in the mercurial repository for |
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21 | 22 | instructions to opt into this. |
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22 | 23 | |
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24 | ||
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23 | 25 | == Backwards Compatibility Changes == |
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24 | 26 | |
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25 | 27 | * Mercurial now requires at least Python 2.7.9 or a Python version that |
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26 | 28 | backported modern SSL/TLS features (as defined in PEP 466), and that Python |
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27 | 29 | was compiled against a OpenSSL version supporting TLS 1.1 or TLS 1.2 |
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28 | 30 | (likely this requires the OpenSSL version to be at least 1.0.1). |
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29 | 31 | |
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30 | 32 | * The `hg perfwrite` command from contrib/perf.py was made more flexible and |
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31 | 33 | changed its default behavior. To get the previous behavior, run `hg perfwrite |
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32 | 34 | --nlines=100000 --nitems=1 --item='Testing write performance' --batch-line`. |
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33 | 35 | |
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34 | 36 | |
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35 | 37 | == Internal API Changes == |
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36 | 38 | |
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37 | 39 | * logcmdutil.diffordiffstat() now takes contexts instead of nodes. |
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38 | 40 | |
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39 | 41 | * The `mergestate` class along with some related methods and constants have |
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40 | 42 | moved from `mercurial.merge` to a new `mercurial.mergestate` module. |
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41 | 43 | |
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42 | 44 | * The `phasecache` class now uses sparse dictionaries for the phase data. |
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43 | 45 | New accessors are provided to detect if any non-public changeset exists |
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44 | 46 | (`hasnonpublicphases`) and get the correponsponding root set |
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45 | 47 | (`nonpublicphaseroots`). |
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