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Unexpected errors for modifiers on @template type parameters

Status: Open.

#4076 In microsoft/typescript-go;

· DanielRosenwasser opened on May 29, 2026

TS7009 on new of default-imported untyped CommonJS constructor — passes in tsc 6.0, fails in tsgo

Status: Open.

#4075 In microsoft/typescript-go;

· benasher44 opened on May 29, 2026

Behavior difference: Emoji string in tsgo emit does not align well with tsc

Status: Open.

#4071 In microsoft/typescript-go;

· hkleungai opened on May 28, 2026

typescript.native-preview.tsdk: relative path in committed .vscode/settings.json gets overwritten with absolute path when accepting the workspace version prompt

Needs Investigation

Status: Open.

#4070 In microsoft/typescript-go;

· Cellule opened on May 28, 2026

·  

TypeScript 7.0 RC

Panic on file rename with solution-style tsconfig.json

Crash

Domain: EditorRelated to the LSP server, editor experienceRelated to the LSP server, editor experience

Status: Open.

#4066 In microsoft/typescript-go;

· DanielRosenwasser opened on May 28, 2026

Data race in module resolver — SIGSEGV in loadModuleFromTargetExportOrImport / OrderedMap.Keys under concurrent goroutines

Crash

Status: Open.

#4060 In microsoft/typescript-go;

· mscrivo opened on May 27, 2026

reference directive caused issue with ts-check

bugSomething isn't workingSomething isn't working

Status: Open.

#4059 In microsoft/typescript-go;

· jasonlyu123 opened on May 27, 2026

·  

TypeScript 7.0 RC

New isolatedDeclarations error with generic this parameter inference

Domain: Declaration EmitRelated to declaration emit, type printingRelated to declaration emit, type printing

Needs Investigation

Status: Open.

#4057 In microsoft/typescript-go;

· blickly opened on May 26, 2026

·  

TypeScript 7.0 RC

Behavior difference: Side-effect imports of custom file extension are emitted by tsgo but not tsc

Domain: Declaration EmitRelated to declaration emit, type printingRelated to declaration emit, type printing

Status: Open.

#4046 In microsoft/typescript-go;

· hkleungai opened on May 25, 2026

·  

Post-7.0

Behavior difference: Notable gap regarding expando declaration on a function between tsc & tsgo

bugSomething isn't workingSomething isn't working

Domain: Declaration EmitRelated to declaration emit, type printingRelated to declaration emit, type printing

Domain: JSRelated to JS parsing, checkingRelated to JS parsing, checking

Needs Investigation

Status: Open.

#4045 In microsoft/typescript-go;

· hkleungai opened on May 25, 2026

LSP custom/initializeAPISession never responds in stdio mode (7.0.0-dev.20260518.1 / 20260522.1)

Status: Open.

#4042 In microsoft/typescript-go;

· re-thc opened on May 24, 2026

·  

Post-7.0

Behavior difference: getTypeAtLocation returns method type for private method call

Needs Investigation

Status: Open.

#4041 In microsoft/typescript-go;

· lucasavila00 opened on May 24, 2026

·  

Post-7.0