Update @datocms/astro 0.6.12 → 0.6.13 (minor)

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Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ @​datocms/astro (0.6.12 → 0.6.13) · Repo

Release Notes

0.6.13

Automatic sizes="auto" for lazy-loaded responsive images

When you don't pass an explicit sizes prop (and the image isn't priority), the image components now emit sizes="auto, 100vw" together with loading="lazy".

On supporting browsers (Chrome/Edge 126+, Opera, Samsung Internet, Firefox 150+) the browser picks the optimal srcset candidate from the image's real laid-out width instead of assuming the full viewport width (100vw) — often a much smaller download. Browsers without support (e.g. Safari) fall back to 100vw, i.e. the previous behavior, so there is no regression.

• An explicit sizes (prop, or coming from the responsiveImage GraphQL query) still takes precedence — we never override it.
• priority images are unchanged (they load eagerly, and sizes="auto" requires loading="lazy").
• Applies to both the SSR/native components and the JavaScript lazy-loading components.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 4 commits:

• 0.6.13
• Image: apply sizes="auto" to <img> too so auto-sizes actually engages
• Image: default lazy images to sizes="auto" for optimal srcset selection
• Auto-update README (header 2aef6, footer 5dd33) [skip ci]

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