Issue solved.
Solution:
Open Unity-plugin in CCSM.
Switch from no blur to active blur: the dash is clear - no broken graphics.
Move color from transparent up to 50 percent: all symbols in dash and launcher appear.
@ Khursid, many thanks for your assistance and hints.
Issue solved.
Solution:
Open Unity-plugin in CCSM.
Switch from no blur to active blur: the dash is clear - no broken graphics.
Move color from transparent up to 50 percent: all symbols in dash and launcher appear.
@ Khursid, many thanks for your assistance and hints.