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[Post-7.0] Improve readability of Array.from / TypedArray.from mapFn parameters

Status: Open.

#4236 In microsoft/typescript-go;

· AXT-AyaKoto opened on Jun 7, 2026

Behavior difference: tsgo no longer emits comment on @typedef style object attributes

Status: Open.

#4235 In microsoft/typescript-go;

· hkleungai opened on Jun 7, 2026

Behavior difference: tsgo no longer infer variadic args type when arguments[...] is referenced inside plain js function body

Status: Open.

#4230 In microsoft/typescript-go;

· hkleungai opened on Jun 6, 2026

'Expected N type arguments' position does not skip trivia after '<'

Status: Open.

#4225 In microsoft/typescript-go;

· mds-ant opened on Jun 6, 2026

isolatedDeclarations: TS9007/TS9008 replaced by TS9039/TS9013 on the return expression

Status: Open.

#4222 In microsoft/typescript-go;

· mds-ant opened on Jun 6, 2026

tsgo reports TS2345 instead of TS2379 for exactOptionalPropertyTypes argument mismatches

bugSomething isn't workingSomething isn't working

Status: Open.

#4221 In microsoft/typescript-go;

· mds-ant opened on Jun 6, 2026

·  

TypeScript 7.0 RC

Behavior difference: TS2741 diagnostic misalignment observed for nested array / object literals

Status: Open.

#4217 In microsoft/typescript-go;

· hkleungai opened on Jun 6, 2026

Node is missing getFullStart(), getStart() and other getters

Status: Open.

#4216 In microsoft/typescript-go;

· mrazauskas opened on Jun 6, 2026

SourceFile is missing .getLineStarts() and .getLineAndCharacterOfPosition()

Status: Open.

#4215 In microsoft/typescript-go;

· mrazauskas opened on Jun 6, 2026

Behavior difference: tsgo & tsc throw differently when spreading variable with type {}

Status: Open.

#4214 In microsoft/typescript-go;

· hkleungai opened on Jun 6, 2026

isSourceFile() is missing in the API

Needs Investigation

Status: Open.

#4208 In microsoft/typescript-go;

· mrazauskas opened on Jun 5, 2026

·  

Post-7.0

Behavior difference: tsgo fails to infer type for undeclared class member when assignment happen inside new Promise callback

bugSomething isn't workingSomething isn't working

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

Status: Open.

#4206 In microsoft/typescript-go;

· hkleungai opened on Jun 5, 2026

·  

TypeScript 7.0 RC