Carousel bug: Added slides disappear on breakpoint

[devjam1n]

Describe the bug

Using addSlide, prependSlide, appendSlide adds a slide, but they disappear again on breakpoints.

Reproduction

Demo switches thumbs and dots using breakpoints.
Codepen demo

Additional context

No response

[fancyapps]

Hi. For now, you can pass the slides option with all the slides you want to show, including those that were previously added.

[fancyapps]

This has been fixed in v6. Demo - https://jsbin.com/humidimowo/edit?html,output