What makes this?

Today, all status recovered and works well.
What happened ?
(iOS version up and reboot cleared problems?)
---------------------/
After this time update,
(1)Crashing every time I open wallpaper.
Stability is insufficient !
(2)Cache and download history cleared
(3)Favorite does not reflected

ヒゲ親爺 about 超高清壁纸-壁纸主题锁屏墙纸精选, v5.6