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Make RequestInit method typesafe

Status: Open.

#2506 In microsoft/TypeScript-DOM-lib-generator;

· Gustavo Souza (GustavoOS) opened on Jul 8, 2026

[Web API type definition issue] Wasm64 Support

lib.d.ts bug

Status: Open.

#2485 In microsoft/TypeScript-DOM-lib-generator;

· daxpedda opened on May 21, 2026

Support new WebIDL async_sequence<T> type

Status: Open.

#2480 In microsoft/TypeScript-DOM-lib-generator;

· René (Renegade334) opened on May 6, 2026

[Web API type definition issue] support devtoolsFormatters

lib.d.ts bug

Status: Open.

#2479 In microsoft/TypeScript-DOM-lib-generator;

· Jendrik (jendrikw) opened on May 4, 2026

Emit object for Web IDL object types?

Status: Open.

#2475 In microsoft/TypeScript-DOM-lib-generator;

· Kagami Sascha Rosylight (saschanaz) opened on Apr 29, 2026

Use overloads to preserve legacy parameter names when combined with modern Options objects

Status: Open.

#2470 In microsoft/TypeScript-DOM-lib-generator;

· Samuel Kapust (spkapust) opened on Apr 17, 2026

[Web API type definition issue] Invalid WebAssembly.Memory.buffer type (ArrayBuffer -> ArrayBufferLike)

lib.d.ts bug

Status: Open.

#2447 In microsoft/TypeScript-DOM-lib-generator;

· Victor Turansky (turansky) opened on Mar 4, 2026

[Web API type definition issue] Missed bounds in WebTransportReceiveStream and WebTransportSendStream parent types

lib.d.ts bug

Status: Open.

#2439 In microsoft/TypeScript-DOM-lib-generator;

· Victor Turansky (turansky) opened on Mar 2, 2026

Rename typeParameters to typeParameter

Status: Open.

#2352 In microsoft/TypeScript-DOM-lib-generator;

· Adam Naji (Bashamega) opened on Jan 3, 2026

[Web API type definition issue] MediaSourceHandle results in any

lib.d.ts bug

Status: Open.

#2316 In microsoft/TypeScript-DOM-lib-generator;

· Banou (Banou26) opened on Dec 24, 2025

Change fetch.json() type to unknown

lib.d.ts bug

Status: Open.

#2298 In microsoft/TypeScript-DOM-lib-generator;

· Karlis Melderis (karlismelderis-mckinsey) opened on Dec 19, 2025

[Guidelines Proposal] Change consensus requirements

Status: Open.

#2290 In microsoft/TypeScript-DOM-lib-generator;

· Shreyans Jain (CodeWithShreyans) opened on Dec 15, 2025