# Swiper v14.2.0

- Product: Swiper (https://whatsnew.fyi/product/swiper)
- Vendor: idangero.us
- Date: 2026-08-26
- Version: v14.2.0
- Original notes: https://github.com/nolimits4web/swiper/releases/tag/v14.2.0
- Permalink: https://whatsnew.fyi/product/swiper/releases/v14.2.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Prevent invalid calc() transform with low perSlideOffset in cards
- **fixed** — Do not emit index-change events from loopFix teleports
- **fixed** — Harden extend() against prototype-method override in key filtering
- **fixed** — Recompute rtlTranslate in changeDirection
- **fixed** — Size loop buffer from actual offset width, not centeredSlides geometry
- **added** — Add lazyPreload param to disable built-in lazy image handling
- **added** — Add fadeEffect mode param with new out-in transition mode

###### Bug Fixes

* **cards:** prevent invalid calc() transform with low perSlideOffset ([d8ff235](https://github.com/nolimits4web/Swiper/commit/d8ff2350d215580da052e3fd1fc39b55e0af9a99)), closes [#8211](https://github.com/nolimits4web/Swiper/issues/8211)
* **core:** do not emit index-change events from loopFix teleports ([#8015](https://github.com/nolimits4web/Swiper/issues/8015)) ([9b78f71](https://github.com/nolimits4web/Swiper/commit/9b78f71ac271d71a8811011dbb86d058d7ac5e2a))
* **core:** harden extend() against prototype-method override in key filtering ([93154fc](https://github.com/nolimits4web/Swiper/commit/93154fc3d793f9f44c7c987a53091fe36fc82e74)), closes [#8189](https://github.com/nolimits4web/Swiper/issues/8189)
* **core:** recompute rtlTranslate in changeDirection ([#8053](https://github.com/nolimits4web/Swiper/issues/8053)) ([b4b49bf](https://github.com/nolimits4web/Swiper/commit/b4b49bf33717b021ffdf63c45caa24cd351699f9))
* **core:** size loop buffer from actual offset width, not centeredSlides geometry ([#8203](https://github.com/nolimits4web/Swiper/issues/8203)) ([bc4a658](https://github.com/nolimits4web/Swiper/commit/bc4a6588a81d3c5c2ea9ae345eba35fc3f1ed3d9))

###### Features

* **core:** add lazyPreload param to disable built-in lazy image handling ([#7570](https://github.com/nolimits4web/Swiper/issues/7570)) ([81345db](https://github.com/nolimits4web/Swiper/commit/81345db82559f3dda08da1e3bcb575026e913e24))
* **fade:** add fadeEffect "mode" param with new "out-in" transition mode ([#8051](https://github.com/nolimits4web/Swiper/issues/8051)) ([b907702](https://github.com/nolimits4web/Swiper/commit/b9077025f6ce2a6c78d43f4969d990ffd9868de6))