TypeScript 7.1.0 Beta

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Poorly formed output with JSDoc typedef

BugA bug in TypeScriptA bug in TypeScript

Domain: JSDocRelates to JSDoc parsing and type generationRelates to JSDoc parsing and type generation

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#63726 In microsoft/TypeScript;

· by brettz9 was closed on Aug 17, 2026

tsgo: parser nil-pointer panic when a JSDoc @overload tags an anonymous default-export function

BugA bug in TypeScriptA bug in TypeScript

Status: Closed (completed).

#63750 In microsoft/TypeScript;

· by johnsoncodehk was closed on Aug 24, 2026

[ServerErrors][TypeScript] main vs

BugA bug in TypeScriptA bug in TypeScript

Status: Closed (completed).

#63853 In microsoft/TypeScript;

· by typescript-automation was closed on Aug 24, 2026

checker.getTypeAtLocation panics for an array literal contextually typed by an empty tuple

Status: Closed (completed).

#63869 In microsoft/TypeScript;

· by artem1458 was closed on Aug 28, 2026

Add API to get target symbol of instantiated symbol

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Closed (completed).

#63883 In microsoft/TypeScript;

· by mrazauskas was closed on Aug 26, 2026

tsc colours diagnostics when stdout is not a TTY, splitting "error TS2304" and breaking output parsing (regressed in 6.0)

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Closed (completed).

#63888 In microsoft/TypeScript;

· by leo-heath was closed on Aug 21, 2026

Retained binding patterns in declaration emit can require naming types that aren't exported (TS4023)

Working as IntendedThe behavior described is the intended behavior; this is not a bugThe behavior described is the intended behavior; this is not a bug

Status: Closed (completed).

#63923 In microsoft/TypeScript;

· by thempatel was closed on Aug 21, 2026

Support import attributes on ambient modules

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 63931

#63931 In microsoft/TypeScript;

· by gabritto was closed on Sep 1, 2026

Fix getDeclarationModifierFlagsFromSymbolEx for synthetic properties

Author: Team

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 63932

#63932 In microsoft/TypeScript;

· by ahejlsberg was closed on Aug 24, 2026

[7.0] Can't access field if it is protected in one constituent of an intersection (type order dependent)

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#63749 In microsoft/TypeScript;

· by dragomirtitian was closed on Aug 24, 2026

Stack overflow narrowing as const object assigned to loop variable it references

BugA bug in TypeScriptA bug in TypeScript

Status: Closed (completed).

#64012 In microsoft/TypeScript;

· by frankeld was closed on Aug 26, 2026

Declaration emit drops readonly from a nested object literal under a const type parameter (7.0.2, 7.1.0-dev; correct in 6.0.3)

BugA bug in TypeScriptA bug in TypeScript

Domain: Declaration EmitThe issue relates to the emission of d.ts filesThe issue relates to the emission of d.ts files

Status: Closed (completed).

#64059 In microsoft/TypeScript;

· by SvabhuG was closed on Aug 27, 2026