[Samsung Galaxy S7 Edge Themes, Apps, and Mods] maumaus:
I just treid... Not much to see. It doesnt always happen.

In this log at 16:07 I got email (And yes it's received bij phone). Icon not showing. At 16:09 I turned screen off and on. Icon was showing.

08-22 16:05:46.437 I/Xposed (11705): @@@@@@@@@@@ use old image
08-22 16:06:01.407 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471874701076 nowtime = 1471874761415
08-22 16:06:01.407 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:07:01.427 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471874761415 nowtime = 1471874821429
08-22 16:07:01.427 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:08:01.357 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471874821429 nowtime = 1471874881372
08-22 16:08:01.357 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:09:01.397 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471874881372 nowtime = 1471874941413
08-22 16:09:01.397 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:09:12.547 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471874941413 nowtime = 1471874952563
08-22 16:09:12.547 I/Xposed (11705): @@@@@@@@@@@ use old image
08-22 16:10:01.037 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471874941413 nowtime = 1471875001047
08-22 16:10:01.037 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:11:01.517 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875001047 nowtime = 1471875061519
08-22 16:11:01.517 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:12:00.927 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875061519 nowtime = 1471875120941
08-22 16:12:00.927 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:13:00.447 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875120941 nowtime = 1471875180454
08-22 16:13:00.447 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:14:00.727 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875180454 nowtime = 1471875240745
08-22 16:14:00.727 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:14:06.837 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875240745 nowtime = 1471875246847
08-22 16:14:06.837 I/Xposed (11705): @@@@@@@@@@@ use old image
08-22 16:15:00.387 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875240745 nowtime = 1471875300399
08-22 16:15:00.387 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:16:01.447 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875300399 nowtime = 1471875361461
08-22 16:16:01.447 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:17:01.437 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875361461 nowtime = 1471875421443
08-22 16:17:01.437 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:18:01.377 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875421443 nowtime = 1471875481390
08-22 16:18:01.377 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:19:01.677 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875481390 nowtime = 1471875541691
08-22 16:19:01.677 I/Xposed (11705): @@@@@@@@@@@ load new image
08-22 16:20:01.427 I/Xposed (11705): @@@@@@@@@@@@ loadtime = 1471875541691 nowtime = 1471875601437
08-22 16:20:01.427 I/Xposed (11705): @@@@@@@@@@@ load new image

To be complete. These users also seem to have this problem:

http://xdaforums.com/showpost.php?p=67848438&postcount=99

http://xdaforums.com/showpost.php?p=67860705&postcount=102