# Autoprefixer 10.5.0 — 10.5.0 “Each Endeavouring, All Achieving”

- Product: Autoprefixer (https://whatsnew.fyi/product/autoprefixer)
- Vendor: PostCSS
- Date: 2026-04-13
- Version: 10.5.0
- Original notes: https://github.com/postcss/autoprefixer/releases/tag/10.5.0
- Permalink: https://whatsnew.fyi/product/autoprefixer/releases/10.5.0

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'.

---

- **added** — Add mask-position-x and mask-position-y support

<img src="https://github.com/user-attachments/assets/401cb4b1-0f05-459f-9106-47c4f1bbb53d" alt="Coat of arms of Antigua and Barbuda" width="172" height="200" align="right">

- Added `mask-position-x` and `mask-position-y` support (by @toporek).