Windows flash black briefly before being drawn

[Iain Lane]

Since 3.18, windows flash black for a split second before they are drawn. It's visually disruptive.

[Iain Lane (laney)]

Someone posted a video on the linked bug https://bugzilla.gnome.org/attachment.cgi?id=302400

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Launchpad Janitor (janitor)]

This bug was fixed in the package gtk+3.0 - 3.18.5-1ubuntu1

---------------
gtk+3.0 (3.18.5-1ubuntu1) xenial; urgency=medium

  [ Iain Lane ]
  * Merge with Debian. Remaining changes:
    + Install the settings.ini file to set our themes.
    + Enable parallel builds
    + Ubuntu specific patches:
      - 073_treeview_almost_fixed.patch
      - 074_eventbox_scroll_mask.patch
      - bzg_gtkcellrenderer_grabbing_modifier.patch
      - ubuntu_gtk_custom_menu_items.patch
      - print-dialog-show-options-of-remote-dnssd-printers.patch
      - uimanager-guard-against-nested-node-updates.patch
      - x-canonical-accel.patch
      - message-dialog-restore-traditional-look-on-unity.patch
      - 0001-gtk-reftest-Force-icon-theme-to-Adwaita.patch
      - restore_filechooser_typeaheadfind
      - 0001-calendar-always-emit-day-selected-once.patch
      - git_icon_fallback.patch
    + Add Breaks on gnome-shell << 3.16 - this needs to be updated at the same
      time.
    + Add Breaks on old overlay-scrollbar versions which still provided the gtk3
      module - we don't want to use this any more with GTK 3.16.

  [ Lars Uebernickel ]
  * Add debian/patches/0001-gtkwindow-continue-calling-gtk_style_context_set_bac.patch:
    - fixes black flickering when new windows are created (LP: #1515561)

gtk+3.0 (3.18.5-1) unstable; urgency=medium

  * New upstream stable release 3.18.5
    + GtkFileChooser:
      - Make sure external drives show up either in the sidebar or the places
        view
      - Ignore double-click events
    + Avoid some crashes in CSS parsing error handling

 -- Iain Lane <email address hidden> Tue, 17 Nov 2015 14:21:50 +0000

[Khurshid Alam (khurshid-alam)]

This bug may be related to bug #1518661. Because after the fix in this bug, it flashes white background and rounded corners in the CSD app are white (visible with Ambiance). The white flash effect is more pronounce if we open a large text file in gedit.