Previously the default was to show "[%s]" as window title for minimized windows. The old behavior can be re-enabled by setting the hidden "label-decorations" setting (since 4.14) to TRUE.
a67d53cf tasklist: Hide brackets for min windows by default
plugins/tasklist/tasklist-widget.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)