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v14.3.0

nolimits4web/swiperv14.3.0Sep 28, 2026by nolimits4web

Upgrading?

What changed from v14.2.0 → v14.3.0?

AI Summary

This release focuses on bug fixes and performance improvements, including better accessibility support in loop mode, optimized lazy loading listeners, and enhanced stability for nested swipers and resize observers. It also introduces compatibility fixes for modern frameworks like React and Vue 19.

Key Highlights

  • Fixed accessibility issue where Tab keys could not leave the carousel in loop mode
  • Optimized lazy loading by dropping per-image listeners and handling errors via delegated loader
  • Improved stability of nested swipers by running innermost-first regardless of init order
  • Fixed compatibility issues for React 19 and Vue 19 by keeping element class fields type-only
  • Enhanced handling of ResizeObserver frames during continuous resize operations

Full Release Notes

### Bug Fixes

* **a11y:** let Tab leave the carousel in loop mode ([944ba56](https://github.com/nolimits4web/Swiper/commit/944ba567503653ceca914170e3a281d97ad993cc)), closes [#8181](https://github.com/nolimits4web/Swiper/issues/8181)
* **core:** drop per-image lazyPreload listeners, handle image `error` in delegated loader ([eb02f3c](https://github.com/nolimits4web/Swiper/commit/eb02f3ce28aec376a055ac7ca9490f6c3788d0c2)), closes [#8223](https://github.com/nolimits4web/Swiper/issues/8223)
* **core:** handle every ResizeObserver frame during continuous resize ([6818fea](https://github.com/nolimits4web/Swiper/commit/6818feae4b52c62fbabbcb6c2605ee6734cfdb7b)), closes [#5441](https://github.com/nolimits4web/Swiper/issues/5441) [#8230](https://github.com/nolimits4web/Swiper/issues/8230)
* **core:** keep elementTransitionEnd until the element's own event ([#8232](https://github.com/nolimits4web/Swiper/issues/8232)) ([95696d0](https://github.com/nolimits4web/Swiper/commit/95696d00811c042410609746296e9fc99bcce8d3)), closes [#8229](https://github.com/nolimits4web/Swiper/issues/8229)
* **core:** run nested swipers innermost-first regardless of init order ([0d100d4](https://github.com/nolimits4web/Swiper/commit/0d100d43003eb4b88392969a5bfe2921aad9e839)), closes [#8233](https://github.com/nolimits4web/Swiper/issues/8233) [#7702](https://github.com/nolimits4web/Swiper/issues/7702) [#8233](https://github.com/nolimits4web/Swiper/issues/8233)
* **core:** skip loop fix and its warning when watchOverflow locks the slider ([fefcc9c](https://github.com/nolimits4web/Swiper/commit/fefcc9c90235cda4f74d3f5d32b7f464cb771bee)), closes [#8228](https://github.com/nolimits4web/Swiper/issues/8228)
* **element:** keep element class fields type-only so init="false" works in Vue/React 19 ([827b8fb](https://github.com/nolimits4web/Swiper/commit/827b8fb3510fb7736dad0f99b67253c71094893a)), closes [#8224](https://github.com/nolimits4web/Swiper/issues/8224)
* **react:** skip emitSlidesClasses() on a destroyed instance ([3bf7421](https://github.com/nolimits4web/Swiper/commit/3bf7421a11bd51279eeb45ac2776b194a65225a6))
* **types:** use SwiperClass for byController in React and Vue wrappers ([bdedc7b](https://github.com/nolimits4web/Swiper/commit/bdedc7b6a4325dd73a64f6fc65b4c3f0651782ae))
* **vue:** guard params.loop access in SwiperSlide on a destroyed instance. ([d3c325a](https://github.com/nolimits4web/Swiper/commit/d3c325aa1b39d8504bd90c6c9c64fae02b02f6d3))
* **vue:** only invoke slots in render to avoid "slot invoked outside render" warning ([eac8a35](https://github.com/nolimits4web/Swiper/commit/eac8a350147fd63726691fa6e2612763dc33e2e3)), closes [#8227](https://github.com/nolimits4web/Swiper/issues/8227)
* **vue:** skip emitSlidesClasses() on a destroyed instance ([7f8c4cc](https://github.com/nolimits4web/Swiper/commit/7f8c4cc9d76f8b781498f487dcd845ff5103e960))

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