4

I am using the default Ubuntu dock with bottom placement and org.gnome.shell.extensions.dash-to-dock extend-height set to false. With Ubuntu 18.10 this produces a noticeable visual glitch, note the black empty spaces at the edges of the dock:

click to open a screenshot

I am getting this both on an upgraded system and on a clean install inside a VM. This was working fine in Ubuntu 18.04. Also happens if the theme is set to something else than Yaru (the default theme in Ubuntu 18.10). Reboot does not help. Dock looks OK if extend-height is enabled.

Any ideas on how to fix this?

closed as off-topic by vanadium, Fabby, mook765, Eric Carvalho, clearkimura Oct 21 '18 at 6:24

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Bug reports and problems specific to development version of Ubuntu should be reported on Launchpad so that developers can see, track and fix these issues." – vanadium, Fabby, mook765, Eric Carvalho, clearkimura
If this question can be reworded to fit the rules in the help center, please edit the question.

7

It looks like a bug related to adaptive/dynamic opacity: https://github.com/micheleg/dash-to-dock/issues/814

To work around this temporarily, you can set the opacity to fixed:

  1. Open Terminal and run

    gsettings set org.gnome.shell.extensions.dash-to-dock transparency-mode 'FIXED'
    
  2. Reboot or re-login.

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