Nautilus-dropbox fails to automatically refresh the status icons / emblems

When I modify a file in a Dropbox folder, the emblem changes to "updating", but it will not go back to "synced" until I hit F5 to refresh.

At the same time, I have this in the syslogs:

Jul 14 11:35:43 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_provider_get_background_items: assertion 'N
AUTILUS_IS_MENU_PROVIDER (provider)' failed
Jul 14 11:35:43 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_provider_get_background_items: assertion 'N
AUTILUS_IS_MENU_PROVIDER (pr
ovider)' failed
Jul 14 11:35:44 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_item_list_free: assertion 'item_list != NULL' failed
Jul 14 11:35:48 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_item_list_free: assertion 'item_list != NULL' failed
Jul 14 11:35:48 pern gnome-session[2181]: (gnome-shell:2237): mutter-CRITICAL **: meta_display_register_x_window: assertion 'g_hash_table_lookup (display->xids, xwindowp) == NULL' failed
Jul 14 11:35:51 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_item_list_free: assertion 'item_list != NULL' failed
Jul 14 11:35:59 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_item_list_free: assertion 'item_list != NULL' failed
Jul 14 11:36:00 pern gnome-session[2181]: (gnome-shell:2237): mutter-CRITICAL **: meta_display_unregister_x_window: assertion 'g_hash_table_lookup (display->xids, &xwindow) != NULL' failed
Jul 14 11:36:23 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_provider_get_background_items: assertion 'NAUTILUS_IS_MENU_PROVIDER (provider)' failed
Jul 14 11:36:23 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_provider_get_background_items: assertion 'NAUTILUS_IS_MENU_PROVIDER (provider)' failed
Jul 14 11:36:26 pern gnome-session[2181]: ** (nautilus:2333): CRITICAL **: nautilus_menu_item_list_free: assertion 'item_list != NULL' failed

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: nautilus-dropbox 2.10.0-2
ProcVersionSignature: Ubuntu 4.6.0-8.10-generic 4.6.3
Uname: Linux 4.6.0-8-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu Jul 14 11:45:31 2016
InstallationDate: Installed on 2014-07-22 (723 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
SourcePackage: nautilus-dropbox
UpgradeStatus: Upgraded to xenial on 2016-05-20 (54 days ago)