Issues

• Synchronous send() can report timing with null reporting steps after timeout

  whatwg/xhr#412 · Filter by author Lubrsi opened on Oct 19, 2026

• ProgressEvent.loaded references decompressed length, but total references the Content-Length header

  whatwg/xhr#403 · Filter by author cutiful opened on Oct 16, 2025

• For sync XHR consider setting the service-workers mode to "none" to align browsers

  whatwg/xhr#397 · Filter by author asutherland opened on May 29, 2025
  2

• FormData has() should include a second param for matching the value like URLSearchParams

  addition/proposalneeds implementer interesttopic: formdata
  whatwg/xhr#392 · Filter by author knowler opened on Nov 2, 2024
  1

• Clarify if ProgressEvent.loaded should indicate the size of compress, or uncompressed, data

  whatwg/xhr#388 · Filter by author Zwyx opened on Mar 22, 2024
  6

• FormData & submitter[formaction]

  addition/proposalneeds implementer interest
  whatwg/xhr#381 · Filter by author Lcfvs opened on Sep 15, 2023
  6

• Ambiguous definition/initial values of network error

  whatwg/xhr#379 · Filter by author cyaugin opened on Aug 1, 2023
  3

• Wrong algorithm + missing realm argument when creating ArrayBuffer

  whatwg/xhr#376 · Filter by author bathos opened on Jun 21, 2023

• Wrong upload progress when network interrupts

  whatwg/xhr#361 · Filter by author weihongliang233 opened on Nov 18, 2022
  4

• interop: blob with empty content type is not converted to text/xml

  whatwg/xhr#357 · Filter by author dlrobertson opened on Oct 6, 2022
  3

• Spec requires firing at least two "progress" events; browsers do not.

  whatwg/xhr#318 · Filter by author domenic opened on Mar 6, 2021
  1

• Reference primitive for "If one or more event listeners are registered"

  whatwg/xhr#316 · Filter by author annevk opened on Mar 1, 2021

• Replace Feature Policy integration with Document Policy

  whatwg/xhr#296 · Filter by author clelland opened on Nov 6, 2020

• Expanding the XHR interface to mirror expansions to the fetch interface?

  whatwg/xhr#284 · Filter by author davidvancleve opened on Jun 30, 2020
  9

• Clarify allowed behavior when response is "too big" to "fit" in memory/on disk?

  whatwg/xhr#244 · Filter by author mkruisselbrink opened on Apr 12, 2019
  6

• Do not fire upload progress events if the upload complete flag is set

  whatwg/xhr#242 · Filter by author annevk opened on Mar 25, 2019

• Allow FormData constructor to accept array or object too

  addition/proposalneeds implementer interesttopic: formdata
  whatwg/xhr#202 · Filter by author jimmywarting opened on Apr 18, 2018
  4

• Why does headers-normalize-response.htm expect null bytes to be allowed?

  whatwg/xhr#165 · Filter by author wisniewskit opened on Oct 16, 2017
  21

• Relationship between XHR timeout and network timeout

  upstream changes needed
  whatwg/xhr#96 · Filter by author youennf opened on Oct 28, 2016
  1

• "representing the same bytes"

  topic: formdataupstream changes needed
  whatwg/xhr#75 · Filter by author domenic opened on Jul 2, 2016
  2

• Should send() throw if the XHR object's window's document is not fully active?

  whatwg/xhr#65 · Filter by author bzbarsky opened on Apr 20, 2016
  8

• Define XML encoding sniffing better

  whatwg/xhr#62 · Filter by author KiChjang opened on Mar 17, 2016
  1

• Make FormData a cloneable object

  addition/proposalneeds teststopic: formdata
  whatwg/xhr#55 · Filter by author annevk opened on Feb 28, 2016
  8

• Abandon hope of removing sync XHR from the web platform?

  whatwg/xhr#20 · Filter by author foolip opened on May 28, 2015
  89