When experiencing bugs with the xfdesktop application, your way of helping things getting fixed is to report a bug about it in bugzilla. Note: For this you will need to have/create an account.

• [Bug 13928] GLib-CRITICAL **: g_base64_encode_step: assertion 'in != NULL' failed (2019/01/16 17:44)
• [Bug 15050] Multiple Monitors with Dual Nvidia Video Cards and Different X-Screens not working (2019/01/16 16:05)
• [Bug 15034] Compile error in Git: Warning treated as Errors when compiling under Fedora 29 (2019/01/16 11:45)
• [Bug 15002] flicker when switching desktop (2018/12/31 20:06)
• [Bug 14863] Libre Office pulses at me (2018/12/19 04:41)
• [Bug 11266] [bug] Desktop icons order resets (2018/12/19 04:22)
• [Bug 14950] When logging in with Nvidia's full composition pipeline enabled, logging in freezes the desktop until tty is changed (2018/12/07 02:07)
• [Bug 14944] Suggestion: add a delay before closing the terminal for the desktop icons with the 'Run in terminal' property set. (2018/12/05 10:33)
• [Bug 14919] URLs dropped on desktop should create a launcher OR download the URL, depending (2018/11/28 21:08)
• [Bug 13929] Xfdesktop drag-and-drop copies to non-thunar file managers, rather than moving the file. (2018/11/28 20:53)
• [Bug 14813] Setting for spacing icons and icons name ellipsize (2018/11/19 11:24)
• [Bug 12516] mouse roller scrolls windows instead of lines (2018/11/13 04:33)
• [Bug 14844] Potential memory leak when repeatedly reconnecting HDMI cable (2018/11/12 16:44)
• [Bug 14868] Background "Spanning screens" option does not work (2018/11/12 14:42)
• [Bug 14838] Wallpaper scaling fails if image contains EXIF markup for rotation. (2018/11/04 13:22)
• [Bug 14833] Desktop hangs after login with a HiDPI display (2018/11/04 06:18)
• [Bug 12631] Desktop background directory won't stick (2018/10/21 03:54)
• [Bug 14180] Bug with selection when pressing both RMB and LMB together (2018/10/19 02:54)
• [Bug 14644] Error in scaling down background images that are in portrait orientation (2018/08/31 12:10)
• [Bug 14121] Enable placing desktop icons on monitor of choice (2018/08/20 23:01)

If your bug/problem has not been reported before, report a new bug. Please ensure that you disclose any information that might be relevant for developers reading the bugreport, e.g. what distribution you're using, what package-version of xfdesktop or related Xfce libraries etc. To report a new bug, go here.