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Initial serialization data for Worker

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: serialize and transfer

topic: workers

Status: Open.

#11749 In whatwg/html;

· guybedford opened on Oct 4, 2025

Error cause underspecified in Structured Clone algorithm

topic: serialize and transfer

Status: Open.

#11321 In whatwg/html;

· WebReflection opened on May 20, 2025

structuredClone should not throw for Arguments exotic objects

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: serialize and transfer

Status: Open.

#10449 In whatwg/html;

· michaelficarra opened on Jul 1, 2024

RawJSON objects should be structured serializable/deserializable

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: serialize and transfer

Status: Open.

#10424 In whatwg/html;

· hotsphink opened on Jun 21, 2024

Upgrade <code>structuredClone</code> options object with <code>skipNotSerializable</code> to avoid cloning exceptions

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: serialize and transfer

Status: Open.

#10255 In whatwg/html;

· Juraj-Masiar opened on Apr 5, 2024

Restrict when MessagePort's onclose event can fire

security/privacyThere are security or privacy implicationsThere are security or privacy implications

topic: serialize and transfer

Status: Open.

#10201 In whatwg/html;

· fergald opened on Mar 14, 2024

Constrain OffscreenCanvas with a placeholder canvas element

topic: canvas

topic: event loop

topic: serialize and transfer

topic: workers

Status: Open.

#10112 In whatwg/html;

· beaufortfrancois opened on Jan 31, 2024

Export structuredClone steps

integrationBetter coordination across standards neededBetter coordination across standards needed

topic: serialize and transfer

Status: Open.

#9466 In whatwg/html;

· saschanaz opened on Jun 29, 2023

Proposal: Improve support for multiple target origins for Window#postMessage

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: serialize and transfer

Status: Open.

#9340 In whatwg/html;

· eliasm307 opened on May 26, 2023

Add steps to destroy documents that are ineligible for receiving message when posting message through broadcast channel

topic: history

topic: serialize and transfer

Status: Open (in progress).

whatwg/htmlnumber 8972

#8972 In whatwg/html;

· lozy219 opened on Mar 2, 2023

Copy over the error from inside workers to the Worker error event?

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: error reporting

topic: serialize and transfer

topic: workers

Status: Open.

#7596 In whatwg/html;

· domenic opened on Feb 9, 2022

BroadcastChannel spec is vague about asynchronous nature of global list management

topic: serialize and transfer

Status: Open.

#7267 In whatwg/html;

· wanderview opened on Oct 27, 2021