Hello @Oriol,
Since the Icons will only get displayed with the Effects module when the slide is scrolled, a custom CSS is needed. There is a need to identify when the 4th slide is active so the 3rd slide’s Icon gets enabled. For example:
.x-slide:nth-child(3):has(~ .x-slide:nth-child(4).is-current-slide) > .x-div .x-effect-exit{
opacity: 1;
transform: translate(0px, 0px);
}
The code above serves as an example code. Feel free to modify it when needed. Please note that custom coding is beyond the scope of our support. You must maintain any custom coding to ensure it will still work after any updates or does not create any issues or incompatibility in the future.
Best Regards.