5.7.0-504

CHANGES:

Thu Apr 09 09:59:38 WAT 2026

• merlin library
  • Implement new refactor-extract-region command for extracting region to a fresh let binding (warning: this feature is still experimental) (#1948)
  • Add "Other" variant to locate-types result (#2025)
  • Don't include option in locate-types result for optional parameters (#2027)
  • Fix record field autocompletion (#2028)
  • Signature help should not loop over the parameters once it is finished (#2023)
  • Fix bugs on signature help about labelled and optional parameters (#2032)
  • Add -end-position parameter for enclosing (#2029)
  • Signature help should appear even if the 'in' is not written (#2036)
  • Improve type enclosing behavior on various class and object related items
    (#2053)
• merlin binary
  • Define PATH_MAX to 4096 if undefined (eg. hurd) (#2039)
• test suite
  • Add a reproduction case for #1214, the issue has been resolved before (#2022)
  • Add reproduction case for #1763 but it is not failing anymore (#2021)
  • Add a test to reproduce Locate command fails on multi-line type definitions (#2020)
  • Add a regression test for issue #2019 (#2030)

5.7-505~preview

CHANGES:

• merlin library

  • Add "Other" variant to locate-types result (#2025)
  • Don't include option in locate-types result for optional parameters (#2027)
  • Fix record field autocompletion (#2028)
  • Signature help should not loop over the parameters once it is finished (#2023)

• tests

  • Add a reproduction case for #1214, the issue has been resolved before (#2022)
  • Add reproduction case for #1763 but it is not failing anymore (#2021)
  • Add a test to reproduce Locate command fails on multi-line type definitions (#2020)
  • Add a regression test for issue #2019 (#2030)

5.6.1-504

CHANGES:

Sat Dec 20 11:15:42 CET 2025

• merlin binary
  • Fix a plethora of minor issues with the C code (#1998)
• merlin library
  • Signature help should not appear on the function name (#1997)
  • Fix completion not working for inlined records labels (#1978, fixes #1977)
  • Perform buffer indexing only if the query requires it (#1990 and #1991)
  • Stop unnecessarily forcing substitutions when initializing short-paths graph (#1988)
  • Fix Mocaml.with_printer didn't update replacement_printer_doc (#2010)
• test suite
  • Add a test to ensure the behavior showed in issue #1517 is no longer relevant (#1995)
  • Add a test to ensure the code fragment exhibited in issue #1118 no longer makes Merlin crash (#1996)
  • Add a test case illustrating how a snippet produces two unrelated errors in issue #2000. (#2003)
  • Add a test reproducing issue #1983 where document command which sometime concatenates consecutive variants and labels (#2005)
  • Signature-help should trigger on unfinished let ... in bindings (#2009)

4.7.1-413

CHANGES:

Fri Dec 19 21:50:42 CET 2022

• merlin binary
  • Fix an issue preventing installation. (fixes #1993)

5.6-504

CHANGES:

Sat Oct 04 15:10:42 CEST 2025

• merlin binary
  • Add locate-types command (#1951)
• merlin library
  • Fix merlin_reader for OpenBSD (#1956)
  • Improve recovery of mutually recursive definitions (#1962, #1963, fixes #1953)
  • Support for OCaml 5.4 (#1974)
• vim plugin
  • Fix error when :MerlinOccurrencesProjectWide fails to gather code previews (#1970)
  • Add more short-paths tests cases (#1904)

5.6-503

CHANGES:

Tue Jun 24 17:10:42 CEST 2025

• merlin binary
  • Add locate-types command (#1951)
• merlin library
  • Fix merlin_reader for OpenBSD (#1956)
  • Improve recovery of mutually recursive definitions (#1962, #1963, fixes #1953)
• vim plugin
  • Fix error when :MerlinOccurrencesProjectWide fails to gather code previews (#1970)
  • Add more short-paths tests cases (#1904)

5.5-503

CHANGES:

Tue Jun 24 16:10:42 CEST 2025

• merlin library
  • Expose utilities to manipulate typed-holes in Merlin_analysis.Typed_hole
    (#1888)
  • locate can now disambiguate between files with identical names and contents
    (#1882)
  • occurrences now reports stale files (#1885)
  • inlay-hints fix inlay hints on function parameters (#1923)
  • Fix issues with ident validation and Lid comparison for occurrences (#1924)
  • Handle class type in outline (#1932)
  • Handle locally defined value in outline (#1936)
  • Fix a typer issue triggering assertions in the short-paths graph (#1935,
    fixes #1913)
  • Downstreamed a typer fix from 5.3.X that would trigger assertions linked
    to scopes bit masks when backtracking the typer cache (#1935)
  • Add a new selection field to outline results that contains the location of
    the symbol itself. (#1942)
  • Fix destruct hanging when printing patterns with (::). (#1944, fixes
    ocaml/ocaml-lsp#1489)
  • Reproduce and fix a handful of jump-to-definition (locate) issues (#1930,
    fixes #1580 and #1588, workaround for #1934)
• ocaml-index
  • Improve the granularity of index reading by segmenting the marshalization
    of the involved data-structures. (#1889)
• test suite
  • Add a test case illustrating wrong open order proposed in issue #1900. (#1901)

4.19-414

CHANGES:

Mon Jun 23 10:10:42 CEST 2024

• merlin library
  • Expose utilities to manipulate typed-holes in Merlin_analysis.Typed_hole
    (#1888)
  • inlay-hints fix inlay hints on function parameters (#1923)
  • Handle class type in outline (#1932)
  • Handle locally defined value in outline (#1936)
• vim plugin
  • Added support for search-by-type (#1846)
    This is exposed through the existing :MerlinSearch command, that
    switches between search-by-type and polarity search depending on the
    first character of the query.

5.4.1-503

CHANGES:

Mon Jan 13 10:55:42 CET 2025

• ocaml-index
  • Bump magic number after index file format change (#1886)

5.4-503

CHANGES:

Fri Jan 10 17:55:42 CET 2025

• merlin binary
  • Support for OCaml 5.3
  • Use new 5.3 features to improve locate behavior in some cases. Merlin no
    longer confuses uids from interfaces and implementations. (#1857)
  • Perform less merges in the indexer (#1881)
  • Add initial support for project-wide renaming: occurrences can now return
    all usages of all related definitions. (#1877)
• vim plugin
  • Added support for search-by-type (#1846)
    This is exposed through the existing :MerlinSearch command, that
    switches between search-by-type and polarity search depending on the
    first character of the query.