Swiper v9 loop rewrite: slide sizing contract with slidesPerView 'auto' and centeredSlides after upgrading from v8
Loop mode offsets after the v9 rewrite After migrating a carousel from Swiper 8 to Swiper 11, I am reworking a configuration that uses loop: true , slidesPerView: 'auto' , and centeredSlides: true . Since v9 rearranges the real slide elements instead of cloning them, my old code that relied on duplicated slides and activeIndex no longer maps cleanly to what