css.properties.text-autospace - browsers have different initial values against the specified `normal`

[AmeroHan]

What type of issue is this?

Incorrect support data (example: BrowserX says "86" but support was added in "40")

What information was incorrect, unhelpful, or incomplete?

Some browsers don't correctly support this CSS property but they are marked with "full support".

CSS Text Module Level 4 specifies that text-autospace's initial value is normal.

However currently on browsers, text-autospace's initial value is no-autospace.

What browsers does this problem apply to, if applicable?

Chromium (Chrome, Edge 79+, Opera, Samsung Internet), Safari, Firefox

What did you expect to see?

Mark that these browsers have different initial values against the specification.

Did you test this? If so, how?

Yes.

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

No response

Do you have anything more you want to share?

Ralated:

• w3c/csswg-drafts#12386: [css-text] Reconsider the initial value of the text-autospace property
• WebKit/WebKit#40309: [text-autospace] Default value should be normal
• Chromium Review#6701007: [text-autospace] Change the initial value to no-autospace

MDN URL

https://developer.mozilla.org/en-US/docs/Web/CSS/text-autospace

MDN metadata

MDN page report details

• Query: css.properties.text-autospace
• Report started: 2025-10-15T14:03:20.021Z