This update allows standalong window on testing/previewing, here is the way to enable:
Basic - Other settings - Editor Setting - Enable Standalong window on testing.
Fixed problems on character and object collision
Fixed problem that allows character jumping even jumpping is disabled.
Enabled Battle UI when fighting in an event.
Removed random startup character on testing.
Fixed minor bugs.
Important Update May 16.
Source: Steam Community (opens in a new tab)