Starting with gvfs-1.18.3_2 many of the provided plug-ins have been splitted into additional binary packages:

• gvfs-afp - Apple Filing Protocol (AFP) backend
• gvfs-cdda - CD-ROM backend
• gvfs-goa - Gnome Online Accounts (webservices) backend
• gvfs-gphoto2 - gphoto2 (PTP camera/MTP media player) backend
• gvfs-mtp - MTP backend
• gvfs-smb - SMB/CIFS (Windows client) backend

Just install any of these plug-ins to have the same functionality as previously.