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Merged
merged 3 commits into from
Nov 24, 2025
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Update readme, issue template #2140

merged 3 commits into from
Nov 24, 2025
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@jakebailey jakebailey commented Nov 20, 2025

  • Mention that we target 5.9 (mostly)
  • Update the feature table

Copilot finished reviewing on behalf of jakebailey November 20, 2025 22:38
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Pull Request Overview

This PR updates version references throughout the documentation from TypeScript 5.7/5.8 to 5.9, reflecting the current target version for the port. It also refines the feature table to better represent the current state of implementation.

  • Updated version references from 5.8 to 5.9 across README and issue template
  • Refined feature table descriptions to reflect current status
  • Updated language service description to be more accurate

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File Description
README.md Updated version references from 5.8 to 5.9 in feature table and main text; improved feature status descriptions (with one typo to fix)
.github/ISSUE_TEMPLATE/02-behavior-difference.md Updated version reference from 5.8 to 5.9 in template description and section header

README.md Outdated
| Type checking | done | Same errors, locations, and messages as TS 5.8. Types printback in errors may display differently. |
| Program creation | done | Same files and module resolution as TS 5.9. Not all resolution modes supported yet. |
| Parsing/scanning | done | Exact same syntax errors as TS 5.9 |
| Commandline and `tsconfig.json` parsing | done | Done, though `tsconfig` errors may not be as helpfu;. |
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Typo: "helpfu;" should be "helpful".

Suggested change
| Commandline and `tsconfig.json` parsing | done | Done, though `tsconfig` errors may not be as helpfu;. |
| Commandline and `tsconfig.json` parsing | done | Done, though `tsconfig` errors may not be as helpful. |

Copilot uses AI. Check for mistakes.
@RyanCavanaugh RyanCavanaugh added this pull request to the merge queue Nov 24, 2025
Merged via the queue into main with commit bd7c18d Nov 24, 2025
22 checks passed
@RyanCavanaugh RyanCavanaugh deleted the jabaile/readme-updates branch November 24, 2025 22:07
nathanwhit added a commit to denoland/typescript-go that referenced this pull request Dec 2, 2025
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Merge main (#15)
98363d6 
* Port 'go to type definition' tests (microsoft#1883)

* Fix panic in `getTokenAtPosition` for JSDoc type assertions (microsoft#1846)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
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Co-authored-by: Andrew Branch <andrew@wheream.io>

* Don’t look in JSExportAssignment and CommonJSExport for nodes (microsoft#1886)

* Fix link in native preview platform packages (microsoft#1838)

* fix(1880): No error message for JSDoc type parsing (microsoft#1881)

* Add vscode editor issue template (microsoft#1893)

Co-authored-by: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>

* Add "Report Issue" button to TSGO status bar commands (microsoft#1889)

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* fix(1898): adjust location handling in find-refs (microsoft#1901)

* Fix panic of empty string in type reference directive (microsoft#1908)

* Consistently error on full circle of circular import aliases (microsoft#1904)

* Fix panic in textDocument/onTypeFormatting when tokenAtPosition is nil (microsoft#1845)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
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* Update submodule (microsoft#1913)

* Disable create-cache.yml in forks (microsoft#1912)

* Forbid platform specific package uses in agnostic files (microsoft#1911)

* Fix JSDoc comment formatting with tab indentation (microsoft#1900)

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* Clear local baseline dir in hereby test (microsoft#1921)

* Unskip passing fourslash test (microsoft#1922)

* Support auto-import completion fourslash tests, fix bugs (microsoft#1917)

* Fix JSX indentation in JavaScript output (microsoft#1792)

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* Implement printAllHelp to fix `tsgo --all` producing no output (microsoft#1843)

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* Bump the github-actions group across 1 directory with 2 updates (microsoft#1909)

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* Ensure os package is forbidden in lint (microsoft#1924)

* Speed up levenshteinWithMax by reusing buffers (microsoft#1823)

* Fix incorrect formatting for comments inside multi-line argument lists and method chains (microsoft#1929)

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* Handle nil end position in getMappedLocation (microsoft#1920)

* Fix formatter adding extra space at end of line without trailing newline (microsoft#1933)

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* Fix vscode issue template (microsoft#1934)

* userpreferences parsing/ls config handing (microsoft#1729)

* Plumb through TokenFlagsSingleQuote; use for auto import quote detection (microsoft#1937)

* Invalidate caches on batches of 1000+ watch changes (microsoft#1869)

* Create clickable links in quick info from @link JSDoc tags (microsoft#1935)

* Don't report errors on `{@link foo.bar}` references (microsoft#1941)

* Fix crash in `invocationErrorRecovery` function (microsoft#1944)

* Fix leading source file comment emit bugs (microsoft#1945)

* Implement selection ranges (microsoft#1939)

* Fix porting bug in isArgumentAndStartLineOverlapsExpressionBeingCalled (microsoft#1948)

* Add Range to Hover (microsoft#1489)

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* Properly handle hovering on `this` (microsoft#1953)

* Bump the github-actions group across 1 directory with 2 updates (microsoft#1959)

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* Fixed document highlight for reference directive (microsoft#1951)

* Several fixes to JS typing of functions and methods (microsoft#1960)

* Update submodule, port 6.0 options defaults (microsoft#1961)

* Reapply microsoft#1951 and microsoft#1960 after bad merge (microsoft#1964)

Co-authored-by: Anders Hejlsberg <andersh@microsoft.com>
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* Update submodule with ES5 removals (microsoft#1963)

* Actually transform KindCommonJSExport in declaration emit (microsoft#1962)

* Quick Info fixes (microsoft#1971)

* Fix various named enum types (microsoft#1973)

* Move change tracker, converters, utils to separate packages (microsoft#1977)

* Consistent rules for mixing `@type`, `@param`, `@return`, `@template` (microsoft#1979)

* Check for identifier before obtaining text of name (microsoft#1984)

* Respect client capabilities for diagnostics (microsoft#1980)

* Store explicitly declared members ahead of inherited members (microsoft#1987)

* Add --checkers to control number of checkers per Program (microsoft#1985)

* Export all types referenced through other exported APIs, enforce (microsoft#1978)

* Switch custom runners from mariner-2.0 to azure-linux-3 (microsoft#1989)

* Use `LocationLink` in go to definition (microsoft#1884)

* Use a different set of commands to detect fourslash test updates (microsoft#1923)

* Skip erasableSyntaxOnly checks for JavaScript files (microsoft#1956)

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* Update submodule for new cherry-picks (microsoft#1996)

* Port TypeScript PR #62604: Propagate variance reliability (microsoft#1916)

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* Only export `@typedef` type aliases in modules (microsoft#1999)

* Bump github/codeql-action from 4.31.0 to 4.31.2 in the github-actions group across 1 directory (microsoft#2005)

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* Hoist @typedef and @import tags to containing scopes that permit them (microsoft#2003)

* Remove concept of "unsupported extensions", clean up test skips  (microsoft#2004)

* Update golangci-lint, fix issues, modernize (microsoft#1981)

* Implement more handling of client capabilities (microsoft#1998)

* Add docs to signature help (microsoft#2009)

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* Fix unused identifier diags, LSP tag diags (microsoft#2007)

* fix(2015): abstract property created, overshadowing override (microsoft#2016)

* Always check refCount after acquiring lock (microsoft#1986)

* Delete resolver unit tests (microsoft#2008)

* Fix missing parent for `Expression` in `TypeParameterDeclaration` (microsoft#2017)

* Add missing nil check in `getCompletionItemActions` (microsoft#2018)

* Fix crash in find-all-refs on `exports.xxx` in .js file (microsoft#2023)

* Properly include JSX attributes in find-all-references (microsoft#2025)

* Fix crash by removing `getNameFromImportDeclaration` in favor of `Node.Name()` (microsoft#2027)

* Fix losing options from command line in watch mode (microsoft#2024)

* Add issue investigator agent (microsoft#2030)

* Switch 1ESPT pipelines to 1ESPT-AzureLinux3 (microsoft#2031)

* Port inlay hints (microsoft#1705)

* Split "use strict" into separate transformer, fix bugs with prologues (microsoft#2028)

Co-authored-by: Sheetal Nandi <shkamat@microsoft.com>

* Use a more cross-architecture-friendly devcontainer image. (microsoft#2034)

* Fix nil pointer dereference in range formatting (microsoft#1993)

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* Port missing `checkJs` logic (microsoft#2046)

* Ignore reparsed nodes when determining external module indicator (microsoft#2044)

* Fix various fuzzer-caught crashes in the parser (microsoft#2038)

* Fix moduleDetection for node18, fix __esModule in detect=force (microsoft#2045)

* Fix panic in syncmap on loading nil (microsoft#2056)

* Use accessors on `Node` instead of casts and field accesses (microsoft#2052)

* Add locks on concurrent alias following checker accesses under incremental mode (microsoft#2051)

* Don't add `export` modifier to `JSTypeAliasDeclaration` from `@callback` (microsoft#2063)

* Introduce GetECMALineOfPosition to avoid unused rune counting (microsoft#2065)

* Don't add `export` modifier to `KindCommonJSExport` reparsed nodes (microsoft#2066)

* Fix panic in inlay hints for tuple types (microsoft#2040)

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* Accurately recognize fourslash test as submodule (microsoft#2068)

* Implement auto-import code actions, port tests and fix some bugs (microsoft#2053)

* Port tsc --init (microsoft#2033)

* Make CheckerPool iteration concurrent by default (microsoft#2070)

* Use Microsoft build of Go in CI (microsoft#2069)

* Detect Windows junctions with GetFileAttributesEx (microsoft#2013)

* Fix CI cache workflow (microsoft#2071)

* Use information from contextual type in hovers/quick info (microsoft#2073)

* fix(2074): No quick info on function and other similar tokens (microsoft#2078)

* Unify locks used on checkers between exclusive pool borrows and EmitResolver scopes (microsoft#2080)

* Port non-baseline diagnostics tests (microsoft#2079)

* Use SkipTrivia instead of GetRangeOfTokenAtPosition where possible (microsoft#2089)

* Move unreachable checks to checker, allowing more AST reuse (microsoft#2067)

* Fix scanning of valid surrogate pairs (microsoft#2032)

* Fix misplaced parentheses in `Checker.isIndirectCall` (microsoft#2093)

* Various agent mode updates (microsoft#2094)

* Handle configuration changes in LSP for 'typescript.*' options. (microsoft#2088)

* Fix nil pointer dereference in getAdjustedLocation for type-only exports (microsoft#2090)

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* Fix nil pointer dereference in code actions when diagnostic code is nil (microsoft#2091)

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* Fully resolve LSP client caps to non-pointers, pass by context (microsoft#2095)

* Fix hover on `module.exports` (microsoft#2098)

* Accept and document jsdoc diffs, round 1 (microsoft#1426)

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* Port baseline diagnostics tests (microsoft#2097)

* Clean up disk space in CI before running (microsoft#2103)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Add GOBIN to PATH in CI (microsoft#2105)

* Make client requests type safe, unmarshal (microsoft#2099)

* Display inherited JSDoc documentation in quick info (microsoft#2111)

* Sort failingTests and manualTests in en-US (microsoft#2113)

* fix(2047): Incomplete declaration emit of callback tag with no return tag (microsoft#2100)

* Fix canHaveSyntheticDefault (microsoft#2101)

* Misc fixes (microsoft#2112)

* chore: fix incorrect function name in comment (microsoft#2109)

Signed-off-by: weifangc <weifangcheng@outlook.jp>

* Fix typedef binding with CJS `exports=` (microsoft#826)

* Provide Program diagnostics as push diags in tsconfig.json (microsoft#2118)

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* Update dependencies (microsoft#2116)

* Remove copilot-setup-steps env var (microsoft#2124)

* Fix panic on negative parameterIndex in type predicate flow analysis (microsoft#2122)

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* Port tests for go to implementation and diff definitions tests (microsoft#2130)

* Partially fix multi-checker diagnostics consistency (microsoft#2134)

* Implement reportStyleChecksAsWarnings (microsoft#2132)

* Include docs on resolved client caps (microsoft#2135)

* Fix dynamic import grammar check (microsoft#2138)

* Refine LSP with our own types, generate more stuff (microsoft#2141)

* Display all symbol meanings in quick info (microsoft#2144)

* Multiproject requests like find all refs, rename and workspace symbols (microsoft#1991)

* Add stringer-alike String methods to non-string LSP enums (microsoft#2148)

* Enable localization (microsoft#2123)

* Port workspace symbols tests (microsoft#2146)

* Update readme, issue template (microsoft#2140)

* Ignore config port (microsoft#1755)

* fix(2157): jsdocfunction param is inferred as implicit any when directly assigned to module.exports (microsoft#2158)

* fixes after merge

* some more fixes

* more errors

* builds

* fmt

* fix nil pointer deref

* fix error messages

---------

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