Issues

• FileSystemSyncAccessHandle writes do not update the file's modification timestamp

  whatwg/fs#190 · Filter by author Project516 opened on Oct 9, 2026

• Specify OPFS availability for HTML documents loaded from file: URLs

  whatwg/fs#187 · Filter by author nwtgck opened on Jul 23, 2026

• Method to rename entry

  addition/proposalneeds implementer interest
  whatwg/fs#186 · Filter by author saschanaz opened on Jun 26, 2026
  3

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

  addition/proposalneeds implementer interest
  whatwg/fs#184 · Filter by author usamanadeemdeveloper opened on Mar 28, 2026
  1

• Should the optional members of WriteParams be nullable?

  whatwg/fs#181 · Filter by author weinig opened on Jan 20, 2026
  3

• FileSystemObserver should support Symbol.dispose

  addition/proposalneeds implementer interest
  whatwg/fs#178 · Filter by author mitranim opened on Aug 14, 2025
  1

• Support "write" access mode

  addition/proposalneeds implementer interest
  whatwg/fs#175 · Filter by author mingyc opened on Jul 29, 2025
  3

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

  whatwg/fs#173 · Filter by author annevk opened on Jul 18, 2025

• FileSystemObserverObserveOptions should have an option like initialUpdate

  whatwg/fs#170 · Filter by author htho opened on Mar 31, 2025

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

  whatwg/fs#169 · Filter by author htho opened on Mar 31, 2025

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

  whatwg/fs#168 · Filter by author youennf opened on Feb 5, 2025
  2

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

  whatwg/fs#167 · Filter by author youennf opened on Dec 19, 2024
  1

• Add a FileSystemFileHandle copy method

  addition/proposalneeds implementer interest
  whatwg/fs#159 · Filter by author johot opened on Feb 8, 2024

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

  whatwg/fs#157 · Filter by author annevk opened on Jan 23, 2024
  5

• Using F_FULLFSYNC for flush() causing slow performance on Mac

  whatwg/fs#156 · Filter by author dslee414 opened on Jan 18, 2024
  1

• No explicit file lock release when write() throws an exception

  whatwg/fs#153 · Filter by author saschanaz opened on Dec 6, 2023
  3

• New Modes of Creating a FileSystemWritableFileStream

  addition/proposal
  whatwg/fs#148 · Filter by author a-sully opened on Sep 20, 2023
  3

• Require taking a lock to remove an entry

  whatwg/fs#138 · Filter by author a-sully opened on Jun 22, 2023
  1

• Support locking of directory entries

  whatwg/fs#137 · Filter by author a-sully opened on Jun 21, 2023

• Why is WirteParams's data both optional and nullable?

  whatwg/fs#132 · Filter by author annevk opened on Jun 15, 2023

• Define the Bucket File System in terms of the Storage spec

  whatwg/fs#130 · Filter by author a-sully opened on Jun 15, 2023
  

• Define File's type better (getFile())

  whatwg/fs#127 · Filter by author annevk opened on Jun 14, 2023
  6

• Add a FileSystemHandle.create() method to create self

  addition/proposalneeds concrete proposal
  whatwg/fs#126 · Filter by author a-sully opened on Jun 6, 2023

• Clarify behavior of createWritable() when the corresponding file does not exist

  clarificationneeds tests
  whatwg/fs#125 · Filter by author a-sully opened on Jun 6, 2023
  1

• File and Directory Watch Functionality for the FileSystem API

  addition/proposalneeds implementer interest
  whatwg/fs#123 · Filter by author WEBPerformace opened on May 23, 2023
  1