# Swiper v12.2.0

- Product: Swiper (https://whatsnew.fyi/product/swiper)
- Vendor: idangero.us
- Date: 2026-05-27
- Version: v12.2.0
- Original notes: https://github.com/nolimits4web/swiper/releases/tag/v12.2.0
- Permalink: https://whatsnew.fyi/product/swiper/releases/v12.2.0

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** — Avoid duplicate CSS type resolutions
- **fixed** — Guard against stale event listeners in onTouchEnd and onTouchMove
- **fixed** — Guard all event handlers against stale invocations on destroyed swiper
- **fixed** — Support boolean as controller type

###### Bug Fixes

* avoid duplicate css type resolutions ([aaf6014](https://github.com/nolimits4web/Swiper/commit/aaf60141d2af8a0dcfd4f06951de4e606c7a59d5))
* **core:** guard against stale event listeners in onTouchEnd and onTouchMove ([00fe610](https://github.com/nolimits4web/Swiper/commit/00fe610b034edba92ef09a3f78b521673871b5f5))
* **core:** guard all event handlers against stale invocations on destroyed swiper ([3b2b85f](https://github.com/nolimits4web/Swiper/commit/3b2b85f904789b14628f65c89edb4991c3bf5859))
* **types:** support boolean as controller type ([b10f9e0](https://github.com/nolimits4web/Swiper/commit/b10f9e0d6d62303d16d9364be93ab454f6c3d038))