svg.elements.textPath - <Missing lengthAdjust data>
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Description
What type of issue is this?
Missing compatibility data
What information was incorrect, unhelpful, or incomplete?
There isn't compatability data for the lengthAdjust attribute on textPath. On the textPath page, lengthAdjust isn't present in the compatibility data although it is included in the article itself. On the lengthAdjust page, it says it can be used with text, tspan, and textPath, but only text and tspan have compatability data.
What browsers does this problem apply to, if applicable?
No response
What did you expect to see?
Compatability data for lengthAdjust on the textPath page, and the same data for textPath on the lengthAdjust page. There's already an issue describing varying behavior in Safari iOS specifically for lengthAdjust on textPath elements, so it probably warrants having its own section on the textPath and lengthAdjust pages.
Did you test this? If so, how?
Missing compatability data
Can you link to any release notes, bugs, pull requests, or MDN pages related to this?
https://github.com/mdn/browser-compat-data/issues/27439#issue-3274052434 mentions the different behavior in Safari iOS.
https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Element/textPath#browser_compatibility doesn't have lengthAdjust.
https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Attribute/lengthAdjust#browser_compatibility doesn't have textPath.
Do you have anything more you want to share?
No response
MDN URL
https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Element/textPath
MDN metadata
MDN page report details
- Query:
svg.elements.textPath - Report started: 2026-05-13T00:27:15.531Z
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the browser compatibility sections for the textPath element and lengthAdjust attribute linked in the issue, then review the related Safari iOS discussion in issue 27439. The work is done when lengthAdjust data appears for textPath and textPath data appears for lengthAdjust, including any needed Safari iOS behavior section.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- json
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100