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FastX 5 Desktop Client Release Notes

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5.1.20 (Windows)
October 1, 2026

  • Fixed Webp encoding in Performance Settings.

5.1.18 (Windows)
September 24, 2026

  • Fixed: FastX sessions will run from one instance by sending the new URL to the already running Web Connect client.  In addition, a dialog will no longer appear if connected to the same session.

5.1.16 (Apple)
September 17, 2026

  • Fixed issue with latest MacOS release

5.1.14
August 27, 2026

  • Case 92650: The desktop client will leave the DPI at 96
  • Case 94496, 95329: (Windows): When running Web Connect, the Windows system menu now has “Diagnostics” and “Logs” options that open those respective windows.
  • Case 94281: Allow a window launched with “Fullscreen on Connect” to be restored to normal size.
  • Fixed: Web Connect log was not showing the first URL due to a timing issue.

5.1.12 (Window, Apple)
August 25, 2026

  • Case 95377: Reconnect will detect when a session no longer exists.
  • Case 95354: Put the client protocol processing back in the main thread. (WebSocket I/O is in its own thread.)
  • Case 95132: Show a popup (with a timeout) when a session disconnects.
  • Case 95330: Use the hostname as the default desktop session window title
  • Case 95361: On the Mac Web Connect, put “File” before “Session”, put “Quit” back where expected
  • Case 95329: Mac Web Connect has “Show Logs” in the dock icon.
  • Web Connect will not quit if the logs dialog is visible

5.1.10 (Apple)
August 19, 2026

  • Case 95326: Handle an issue with QWebSocket that, combined with a network peculiarity in macOS, caused a session to disconnect during continuous screen updates.
  • On Windows, change the current directory to prevent QtWebEngine from crashing during OIDC logins and session start forms
  • Better handle attempts to open a WebSocket with an invalid hostname and immediately proceed to the next URL in the list.
  • Case 95329 (macOS only): Add “Show Logs” to the Web Connect dock icon
  • Case 95329: Don’t exit the FastX Web Connect application if the log dialog is still visible
  • Case 95361 (macOS only): Move the “File” menu to the left of the “Session” menu; Remove “Quit” from the “File” menu.

5.0.20 (Apple)
July 14, 2026

  • Apple Silicon supported

5.0.12 (Linux)
May 22, 2026

  • QT 6 update
  • RHEL 9, Ubuntu 24, or later equivalents required

5.0.08 (Windows); 5.0.10 (Apple)
May 10, 2026

  • Release