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Proposal: Add FileSystemDirectoryHandle.walk() for memory-safe recursive directory traversal

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

Status: Open.

#184 In whatwg/fs;

· usamanadeemdeveloper opened on Mar 28, 2026

Should the optional members of WriteParams be nullable?

Status: Open.

#181 In whatwg/fs;

· weinig opened on Jan 20, 2026

FileSystemObserver should support Symbol.dispose

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

Status: Open.

#178 In whatwg/fs;

· mitranim opened on Aug 14, 2025

Support "write" access mode

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

Status: Open.

#175 In whatwg/fs;

· mingyc opened on Jul 29, 2025

FileSystemWritableFileStream/write domintro contains the contain copypasta from FileSystemWritableFileStream/truncate

Status: Open.

#173 In whatwg/fs;

· annevk opened on Jul 18, 2025

FileSystemObserverObserveOptions should have an option like initialUpdate

Status: Open.

#170 In whatwg/fs;

· htho opened on Mar 31, 2025

FileSystemChangeRecord: Ambigous disappeared entry when there is a file and a directory with the same name.

Status: Open.

#169 In whatwg/fs;

· htho opened on Mar 31, 2025

WPT FileSystemWritableFileStream-write.https.any.html expects SyntaxError for missing parameter to FileSystemWritableFileStream.write

Status: Open.

#168 In whatwg/fs;

· youennf opened on Feb 5, 2025

FileSystemWritableFileStream write, seek and truncate description methods are not calling out the case of writable being locked

Status: Open.

#167 In whatwg/fs;

· youennf opened on Dec 19, 2024

Add a FileSystemFileHandle copy method

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

Status: Open.

#159 In whatwg/fs;

· johot opened on Feb 8, 2024

getFile() shouldn't require a copy of the underlying data

Status: Open.

#157 In whatwg/fs;

· annevk opened on Jan 23, 2024

Using F_FULLFSYNC for flush() causing slow performance on Mac

Status: Open.

#156 In whatwg/fs;

· dslee414 opened on Jan 18, 2024