[wp-trac] [WordPress Trac] #63591: RSS Feed Errors & Extra <link> Tags After WP 6.8.1 — Failing Validation

[WordPress Trac]

#63591: RSS Feed Errors & Extra <link> Tags After WP 6.8.1 — Failing Validation
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 Reporter:  OctoTooT           |       Owner:  audrasjb
     Type:  defect (bug)       |      Status:  assigned
 Priority:  normal             |   Milestone:  6.8.2
Component:  Feeds              |     Version:  6.8
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by rollybueno):

 == Reproduction Report

 === Description
 This report validates whether the issue described: Category RSS feeds
 generating empty or duplicate `<link>` elements, can be reproduced in a
 clean WordPress 6.8.1 environment.

 === Environment
 - WordPress: 6.8.1
 - PHP: 8.3.17
 - Server: nginx/1.26.1
 - Database: mysqli (Server: 8.0.16 / Client: mysqlnd 8.3.17)
 - Browser: Chrome 136.0.0.0
 - OS: Linux
 - Theme: Twenty Twenty-Five 1.2
 - MU Plugins: None activated
 - Plugins:
   * Query Monitor 3.18.0
   * Test Reports 1.2.0

 === Actual Results
 1. ✅ Category RSS feed was accessed via `/category/uncategorized/feed/` &
 `/category/6.8.1/feed/`
 2. ✅ Feed was validated using **W3C Feed
 Validator**(https://validator.w3.org/feed/)
 3. ✅ No empty `<link>` tags were found inside any `<item>`
 4. ✅ No duplicate `<link>` tags appeared per item
 5. ✅ Feed passed validation as a valid RSS 2.0 feed

 ✖️ **Error condition did not occur (not reproduced).**

 === Additional Notes
 - The feed was generated from a fresh install with 10 published dummy
 posts assigned to the "**Uncategorized**" & "**6.8.1**" category.
 - Theme and plugin configurations were default and minimal.
 - The issue may be conditional and not reproducible on a clean install.
 - W3C Validator only flags interoperability improvement but it's not
 related in this ticket

 === Supplemental Artifacts
 * W3C Validator Screenshot (valid):
 [[Image(https://i.imgur.com/5V8XFhk.png)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/63591#comment:2>
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