1.43.0

[1.43.0] - 2025-04-19

Added

• Added setting luau-lsp.server.communicationChannel with options stdio (default) or pipe to support communicating
  using a UNIX socket file connection instead of stdin/stdout. On the server, this is configured by passing
  --pipe=FILE to the command line. This is useful for attaching a debugger to the server on macOS. pipe is not
  supported on Windows. (#998)

Changed

• Sync to upstream Luau 0.670
• Linux runners for GitHub actions are bumped from the deprecated ubuntu-20.04 to ubuntu-22.04. This may mean that release artifacts no longer work on ubuntu-20.04.
• Improved Studio plugin error message when attempting to connect to a server but it is not online (#982)
• VSCode extension will now strip the prefix FFlag / DFFlag / FInt / DFInt if they were included in the overrides name (#981)

Fixed

• Fixed a bug when the New Type Solver is enabled where diagnostics would not update in dependent files when a file was
  changed until the dependent file is modified

Full Changelog: 1.42.1...1.43.0

1.42.1

[1.42.1] - 2025-04-06

Changed

• Sync to upstream Luau 0.668

Fixed

• Don't show function types with function kind or label details when autocompleting in a type
  context (#987)
• Fixed crash when registering a non-Roblox definitions file that contains classes named Object / Instance /
  ServiceProvider / EnumItem (#986)

---

Full Changelog: 1.42.0...1.42.1

1.42.0

[1.42.0] - 2025-03-27

Changed

• Sync to upstream Luau 0.666
• Optimized re-indexing on changed files when large number of changes processed at once
• Watched files re-indexing now respects ignore globs specification

Fixed

• Added a debounce of 1s on file changes triggering sourcemap generation when luau-lsp.sourcemap.useVSCodeWatcher is enabled
• Fixed crashing due to bad memory access when hovering over an imported type reference due to documentation computation
• Fixed sources of crashing and flakiness when hovering + go to definition on imported type references in the new solver
• Reduced the need to run 2 type checks unnecessarily on files when the new type solver is enabled

---

Full Changelog: 1.41.0...1.42.0

1.41.0

[1.41.0] - 2025-03-16

Added

• Documentation comments now attach to type alias definitions (#956)
• VSCode: Introduced luau-lsp.sourcemap.generatorCommand to run a custom generator for updating the sourcemap. Accepts a shell command.
  If undefined (default), then falls back to using rojo. (#968)
• VSCode: Introduced luau-lsp.sourcemap.useVSCodeWatcher (default: false). When enabled, the extension will connect to
  VSCode file added / removed events for retriggering the generator. When disabled (default), the extension delegates to
  the generator process for watching. When using rojo, this option controls the --watch flag.
• VSCode: Documentation now supports HTML syntax (#964)

Changed

• Sync to upstream Luau 0.665
• VSCode: Improved error reporting when the Studio Plugin sends a result that is too large. The error now includes the
  size limit, the received size, and steps to resolve the issue (#969)
• The language server will no longer attempt to remove HTML tags from
  documentation (#964)

---

External Contributions

• Attach documentation comments to type alias definitions by @m4fh in #956
• Enable HTML rendering in language client options by @m4fh in #964

Full Changelog: 1.40.0...1.41.0

1.40.0

[1.40.0] - 2025-03-01

Added

• Added configuration luau-lsp.types.disabledGlobals to support removing globals from the main scope for analysis.
  Accepts a list of libraries or library methods (e.g., table, string.split,
  etc.) (#888)

Changed

• Sync to upstream Luau 0.663
• Improved error reporting when the studio plugin server in VSCode fails to start up (typically due to port already in use) (#936)

Fixed

• Fixed an issue where lint warnings would suddenly disappear when typing characters / saving a file, and only reappear
  after further edits
• Autocompleting a table property that matches a keyword will now autocomplete correctly with braces (i.e., t.then ->
  t["then"]) (#937)

---

External Contributions

• Fix Vector2:Angle return type by @Barocena in #940
• Fix FuzzyEq epsilon parameter by @Errorbot1122 in #950

New Contributors

• @Errorbot1122 made their first contribution in #950

Full Changelog: 1.39.2...1.40.0

1.39.2

[1.39.2] - 2025-02-15

Changed

• Sync to upstream Luau 0.661

Fixed

• Fixed unintended bump of minimum supported macOS version in 1.39.0 to macOS 14. The language server binary supports a minimum version of macOS 10.15
• Single-line documentation comments (---) now correctly preserve newlines (#917).
• Fixed stack-use-after-free crash in sourcemap definition magic functions when the new solver is
  enabled (#928)

1.39.1

[1.39.1] - 2025-02-08

Fixed

• Fixed server failing to start up due to attempting to run an invalid path as the server binary

1.39.0

[1.39.0] - 2025-02-08

Added

• Added configuration luau-lsp.server.path (default: "") which allows the use of locally installed luau-lsp binaries. (#897)
• Auto-import require path information is added in CompletionItem.labelDetails.description as well as just in
  CompletionItem.detail
• In VSCode, the opening brace { character will be automatically closed with a } character when completed within an interpolated string. This occurs when the { character is typed just before whitespace or a ` character (#916).
• Added support for Luau's fragment autocomplete system. This can be enabled by configuring luau-lsp.completion.enableFragmentAutocomplete (default: false). This incremental system can lead to performance improvements when autocompleting.
• The luau-lsp.ignoreGlobs and luau-lsp.types.definitionFiles configuration from a settings JSON file will now be
  applied when running luau-lsp analyze --settings file.json on the command
  line (#892)

Changed

• Sync to upstream Luau 0.660

Fixed

• Fixed erroneous unknown notificated method: $/plugin/full message in logs even though plugin message was handled
• Linux ARM releases are now built on arm-based GitHub runners, and hence should support Linux ARM properly

---

External Contributions

• Fix Types for Faces and Axes datatypes by @Barocena in #912
• fix: return value in Roblox platform notification handler by @lopi-py in #910
• Add server path configuration option to the VSCode extension by @cswimr in #897
• feat: add require path in labelDetails.description by @lopi-py in #915
• Load ignore globs and definition files from settings file by @Stefanuk12 in #894

New Contributors

• @cswimr made their first contribution in #897
• @Stefanuk12 made their first contribution in #894

Full Changelog: 1.38.1...1.39.0

1.38.1

[1.38.1] - 2025-01-12

Changed

• Sync to upstream Luau 0.656

1.38.0

[1.38.0] - 2024-12-28

Added

• Auto-import requires will now show the require path in the details section rather than just "Auto-import". This will
  help to disambiguate between multiple modules with the same name but at different
  paths. (#593)
• Added configuration luau-lsp.inlayHints.hideHintsForErrorTypes (default: false) to configure whether inlay hints
  should be shown for types that resolve to an error type (#711)
• Added configuration luau-lsp.inlayHints.hideHintsForMatchingParameterNames (default: true) to configure whether
  inlay hints are shown where a variable name matches the
  parameter (#779)
• Find all references of a returned function / table in a module will now return all cross-module
  references (#879)
• Go To Definition inside of a require call will now lead to the required file, similar to Document Link. This is useful
  for editors that do not support Document Link (#612)
• The recursive parameter in game:FindFirstChild("ClassName", true) is now supported for DataModel awareness. We
  recursively find the closest descendant based on BFS (#689)
• We now attach a semantic token modifier to usages of self in non-colon function definitions (i.e.
  function T.foo(self, ...)) if self is the first
  argument (#456)

Changed

• The server no longer computes relatedDocuments in a textDocument/diagnostic request unnecessarily if the client
  does not support related documents
• Go To Definition on a cross-module function reference will now only resolve to the function definition, rather than
  also including the require statement
  local func = require(path.to.function) (#878).
• Overhauled the globbing mechanism leading to significant performance improvements in indexing, workspace diagnostics,
  and auto suggest requires, removing globbing as a bottleneck. Some results in example codebases ranging from 190 to
  1900 KLoC:
  • Initial indexing: ~3.32x to ~7.1x speedup (43.60s -> 13.12s and 9.42s ->
    1.33s) (#829)
  • Workspace diagnostics: ~2.39x to ~4.75x speedup (164.93s -> 69.07s and 8.49s ->
    1.79s)
  • Auto-suggest requires: ~4.77x speedup (1.15s ->
    0.24s) (#749)
  • These improvements heavily depend on the amount of code you have matching ignore globs. Workspace diagnostics
    improvements depends on the performance of Luau typechecking.

Fixed

• Fixed isIgnoredFile check failing due to mismatching case of drive letter on Windows (#752)
• Fixed luau-lsp analyze --ignore GLOB not ignoring files matching the glob if the files are within one of the
  provided directories (#788)
• Fixed production VSCode extension failing to find server binary when debugging another VSCode extension (#644)
• The Studio Plugin settings configuration is now stored in TestService instead of AnalyticsService to allow it to persist across sessions (#738)
• The Studio Plugin now correctly sends updates to the language server when an instance changes name or ancestry hierarchy (#636)
• Fixed Studio Plugin leaking Instance connections after disconnecting from server

---

New Contributors

• @kineticwallet made their first contribution in #872

Full Changelog: 1.37.0...1.38.0