We have temporarily disabled all themes except SnowFlat, the default KidzTalk theme, while we update the older ones to work properly with recent KidzTalk improvements.
About 5% of active users currently use a different theme, so most users will not notice a change. However, we understand that some users may miss their preferred theme.
Many of the older themes already had major compatibility and display issues that could result in a poor KidzTalk experience. The recent updates just made them worse. We plan to update and restore them gradually over the coming months.