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= Mercurial 6.8rc0 =
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/!\ This is a tentative release, any and all notes below are subject to change or removal.
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As usual, a *lot* of patches don't make it to this list.
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== New Features or performance improvements ==
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* Phases have been reworked to improve their general performance
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* revset: stop serializing node when using "%ln"
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* phases: convert remote phase root to node while reading them
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* phases: use revision number in new_heads
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* phases: use revision number in analyze_remote_phases
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* phases: stop using `repo.set` in `remotephasessummary`
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* phases: move RemotePhasesSummary to revision number
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* phases: use revision number in `_pushdiscoveryphase`
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* phases: introduce a performant efficient way to access revision in a set
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* phases: rework the logic of _pushdiscoveryphase to bound complexity
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* The Rust working copy code is being used by more places now:
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* matchers: support patternmatcher in rust
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* dirstate: remove the python-side whitelist of allowed matchers
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* stream-clone: disable gc for `_entries_walk` duration
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* stream-clone: disable gc for the initial section for the v3 format
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* postincoming: avoid computing branchhead if no report will be posted
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* stream-clone: disable gc for the entry listing section for the v2 format
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* perf: allow profiling of more than one run
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* perf: run the gc before each run
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* perf: start recording total time after warming
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* perf: clear vfs audit_cache before each run
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* outgoing: rework the handling of the `missingroots` case to be faster
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* outgoing: add a simple fastpath when there is no common
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* tags-cache: skip the filternode step if we are not going to use it
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* tags-cache: directly operate on rev-num warming hgtagsfnodescache
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* tags-cache: directly perform a monimal walk for hgtagsfnodescache warming
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* exchange: improve computation of relevant markers for large repos
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== New Experimental Features ==
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* Introduce a new experimental branch cache "v3":
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* branchcache: add more test for the logic around obsolescence and branch heads
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* branchcache: skip entries that are topological heads in the on disk file
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* branchcache: add a "pure topological head" fast path
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* branchcache: allow to detect "pure topological case" for branchmap
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== Bug Fixes ==
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* perf-stream-locked-section: actually use v1 generation when requested
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* perf-stream-locked-section: fix the call to the v3 generator
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* perf-stream-locked-section: advertise the right version key in the help
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* stream: in v3, skip the "size" fast path if the entries have some unknown size
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* stream-clone: stop getting the file size of all file in v3
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* streamclone: stop listing files for entries that have no volatile files
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* perf-stream-consume: use the source repository config when applying
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* bundle: do no check the changegroup version if no changegroup is included
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* perf: create the temporary target next to the source in stream-consume
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* bundlespec: fix the "streamv2" and "streamv3-exp" variant
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* push: rework the computation of fallbackheads to be correct
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* profiler: flush after writing the profiler output
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* base-revsets: use an author that actually exercises a lot of changesets
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* hgrc: search XDG_CONFIG_HOME on mac
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* clonebundles: add missing newline to legacy response
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* narrow: add a test for linkrev computation done during widen
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== Backwards Compatibility Changes ==
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== Internal API Changes ==
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== Miscellaneous ==
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* obsolete: quote the feature name
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