White flash between slides

Hi @cosmas9!

The problem with your slider is caused by a browser bug, what you see in our documentation’s yellow warning:
https://smartslider.helpscoutdocs.com/article/1780-simple-slider-type#background-animation-10
“The Morph and Distortion animations aren’t handled by all browsers smoothly. Some of them have flashing bugs (we saw them in Firefox and got feedback on iOS and other mobile browsers), which cannot be avoided from our end. Often new versions of these browsers solve these issues.”

Turning off hardware acceleration within your browser sometimes solves the issue, so I can suggest doing that:
https://smartslider.helpscoutdocs.com/article/1954-issues-with-chrome#background-animations-are-flashing
But as the note says, we have seen this problem sometimes appearing, sometimes not, in other browsers too, where the issue got fixed in updated versions. So browsers often aren’t able to handle the “Morph” and “Distortion” background animations properly, and because of this, I can also suggest choosing a different animation:
https://smartslider.helpscoutdocs.com/article/1779-slider-settings-animations#background-animation

Lastly, please note that this forum only allows the Free version of plugins to be supported, not the Pro. These features are only available in the Pro version, so if you have further questions, please contact us through our form:
https://smartslider3.com/contact-us/support/