[new release] merlin, merlin-lib and dot-merlin-reader (4.9-501preview)

[voodoos]

Editor helper, provides completion, typing and source browsing in Vim and Emacs

• Project page: https://github.com/ocaml/merlin

CHANGES:

unreleased

• merlin binary
  • Preview support for OCaml 5.1-alpha1. Short path is temporary disabled and
    inline records might not behave as expected.
  • Allow monadic IO in dot protocol (Allow monadic IO in dot protocol merlin#1581)
  • Add a scope option to the occurrences command in preparation for
    the upcoming project-wide-occurrences feature (Add a scope option to the occurrences command merlin#1596)
  • Construct bool-typed holes as false instead of true in the
    construct command, for consistency (Construct bools as false instead of true merlin#1599).
  • Add a hook to configure system command for spawning ppxes when Merlin is
    used as a library. (Configurable Unix system command merlin#1585)
  • Implement an all-or-nothing cache for the PPX phase (Add a cache mechanism for the PPX phase merlin#1584)
  • Cleanup functors caches when backtracking, to avoid memory leaks
    (Cleanup functor caches merlin#1609, fixes Memory leak on completion merlin#1529 and ocaml-lsp#1032)
  • Fix construct results ordering for sum types sand poly variants (Fix construct results ordering for sum types and poly variants merlin#1603)
  • Fix object method completion not working (Fix object method completion merlin#1606, fixes Completion for object methods merlin#1575)
  • Improve context detection for package types (Improve context detection for package types merlin#1608, fixes Merlin reports incorrect module type (confused with module signature) merlin#1607)
  • Fix incorrect locations for string literals (Fix location of string constants merlin#1574)
  • Fixed an issue that caused errors to erroneously alert about missing
    cmi files (Fix false "no cmi" reporting from errors command merlin#1577)
  • Prevent destruct from crashing on closed variant types (Fix destruct crashing on closed variant types merlin#1602,
    fixes case-analysis crashes with closed variant type merlin#1601)
  • Improve longident parsing (Better lid parsing merlin#1612, fixes merlin-full-module-path merlin#945)
• editor modes
  • emacs: call the user's configured completion UI in
    merlin-construct (Elisp: make merlin-construct use the user's configured completion interface merlin#1598)
• test suite
  • Add missing dependency to a test using ppxlib (Add explicit dependecy to the test that uses ppxlib  merlin#1583)
  • Add tests for the new PPX phase cache (Add a cache mechanism for the PPX phase merlin#1584)
  • Add and update tests for construct ordering (Fix construct results ordering for sum types and poly variants merlin#1603)

[avsm]

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