On 18.04 if you change setting it will result in a stable transparent background:
1. Uncheck "Use transparency from system theme" 2. "Check Use tranparent background" 3. Re-check "Use transparency from system theme" Also reported at bug #1726262 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-terminal in Ubuntu. https://bugs.launchpad.net/bugs/561370 Title: gnome-terminal transparency no longer works reliably (usually opaque, but sometimes shows transparency) Status in gnome-terminal package in Ubuntu: Confirmed Bug description: Binary package hint: gnome-terminal Hello, the transparency in gnome-terminal on LUCID no longer works, I have only solid color, whatever changes I make in the profil. Thanks for your help. LGDN. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/561370/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp