⚠️ Breaking Change
Impact Score: 7/10
Astro [email protected] — Release Notes & Engineering Impact
Source available — automated, not human-reviewed
Component: astro · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
Breaking-change evidence from the source
:warning: Breaking change for experimental live content collections only
⚡ Executive Summary (TL;DR)
Astro [email protected]. Source highlight: Fixes a bug where the behavior of the "muted" HTML attribute was inconsistent with that of other attributes.
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
⚠️ Breaking Changes & Deprecations (1)
- :warning: Breaking change for experimental live content collections only
✨ New Features & Capabilities (1)
- Adds missing `rendered` property to experimental live collections entry type
🔧 Bug Fixes & Patches (3)
- Fixes a bug where the behavior of the "muted" HTML attribute was inconsistent with that of other attributes.
- Improves how Actions are implemented
- Removes support for the `maxAge` property in `cacheHint` objects returned by live loaders.
📄 View Raw Release Notes (Original Developer Log)
### Patch Changes
- [#14562](https://github.com/withastro/astro/pull/14562) [`722bba0`](https://github.com/withastro/astro/commit/722bba0a57984b6b1c4585627cafa22af64e4251) Thanks [@erbierc](https://github.com/erbierc)! - Fixes a bug where the behavior of the "muted" HTML attribute was inconsistent with that of other attributes.
- [#14538](https://github.com/withastro/astro/pull/14538) [`51ebe6a`](https://github.com/withastro/astro/commit/51ebe6ae9307f5c2124162212493f61152221a43) Thanks [@florian-lefebvre](https://github.com/florian-lefebvre)! - Improves how Actions are implemented
- [#14548](https://github.com/withastro/astro/pull/14548) [`6cdade4`](https://github.com/withastro/astro/commit/6cdade49c975e717f098bb4aa7f03a7b845d0a7c) Thanks [@ascorbic](https://github.com/ascorbic)! - Removes support for the `maxAge` property in `cacheHint` objects returned by live loaders.
#### :warning: Breaking change for experimental live content collections only
Feedback showed that this did not make sense to set at the loader level, since the loader does not know how long each individual entry should be cached for.
If your live loader returns cache hints with `maxAge`, you need to remove this property:
```diff
return {
entries: [...],
cacheHint: {
tags: ['my-tag'],
- maxAge: 60,
lastModified: new Date(),
},
};
```
The `cacheHint` object now only supports `tags` and `lastModified` properties. If you want to set the max age for a page, you can set the headers manually:
```astro
---
Astro.headers.set('cdn-cache-control', 'max-age=3600');
---
```
- [#14548](https://github.com/withastro/astro/pull/14548) [`6cdade4`](https://github.com/withastro/astro/commit/6cdade49c975e717f098bb4aa7f03a7b845d0a7c) Thanks [@ascorbic](https://github.com/ascorbic)! - Adds missing `rendered` property to experimental live collections entry type
Live collections support a `rendered` property that allows you to provide pre-rendered HTML for each entry. While this property was documented and implemented, it was missing from the TypeScript types. This could lead to type errors when trying to use it in a TypeScript project.
No changes to your project code are necessary. You can continue to use the `rendered` property as before, and it will no longer produce TypeScript errors.