relnotes: add 6.6.2

relnotes/6.6

@@ -1,68 +1,77 b''
+= Mercurial 6.6.2 =
+
+ * histedit: remove superfluous echo() and endwin() calls (issue6859)
+ * persistent-nodemap: avoid writing nodemap for empty revlog
+ * persistent-nodemap: respect the mmap setting when refreshing data
+ * bundle: do not detect --base argument that match nothing as lack of argument
+ * narrow: prevent removal of ACL-defined excludes
+ * pycompat: fix bytestr(bytes) in Python 3.11
+
 = Mercurial 6.6.1 =
 
 The first two patches fix aborted transactions that could happen since 6.6.
 
  * revlog: avoid exposing delayed index entry too widely in non-inline revlog
  * revlog: avoid wrongly updating the data file location on "divert"
  * tests: do not fail tests in a state with uncommitted .py file removal
  * perf-tags: fix the --clear-fnode-cache-rev code
  * perf-tags: fix clear_cache_fnodes to actually clear that cache
  * censor: fix things around inlining
  * Various Python 3 cleanups
  * Various Windows test suite fixes
 
 = Mercurial 6.6 =
 
 As usual, a *lot* of patches don't make it to this list.
 
 == New Features ==
  * rust-config: add support for default config items
  * rhg: add config defaults to configitems.toml
  * rhg: support "status FILE"
  * rhg: support rhg files [FILE]
  * commands: add admin namespace
  * admin-command: add verify command
  * debug-delta-chain: add options to control what we compute
  * Added some caching for uncompressed revlog chunks that speed up some operations
 
 == New Experimental Features ==
 
 == Bug Fixes ==
  * Improve OpenVMS support
  * byteify-strings: passe sysstr to attr function and wrapper
  * journal: track bookmark deletion
  * transaction: actually delete file created during the transaction on rollback
  * pull: avoid referencing a variable before it is initialized
  * rust-filepatterns: also normalize RelPath
  * narrow: hoist a variable to a higher level to avoid use-before-init warning
  * convert: stabilize subversion date sorter
  * run-tests: detect HGWITHRUSTEXT value
  * censor: accept censored revision during upgrade
  * rust-matchers: fix quadratic complexity in `FileMatcher`
  * unstable: do not consider internal phases when computing unstable
  * Still a whole bunch of Python 2 -> 3 migration leftovers
 
 == Backwards Compatibility Changes ==
  * perf: display all timing by default
  * infinitepush: drop the extension
  * debug-delta-chain: print less data by default
 
 == Internal API Changes ==
 
  * The revlog interface has been significantly cleaned up.
  * configitems: add `documentation` field
  * configitems: declare items in a TOML file
  * configitems: move blackbox's config items to the new configitems.toml
  * path-suboption: deprecated specifying the attributes as bytes
  * pycompat: deprecate using bytes
  * check-code: drop the `safehasattr` rule
  * safehasattr: drop usage in favor of hasattr
  * rust: add `UncheckedRevision` type
  * rust: implement the `Graph` trait for all revlogs
  * rust: make `Revision` a newtype
  * perf: change the way we approach revlog reading
  * perf: ensure all readlog's reading is done within a `reading` context
  * delta-chain: move the debugdeltachain command in revlogutils
 
 == Miscellaneous ==